diff options
Diffstat (limited to 'Documentation/i2c/busses')
| -rw-r--r-- | Documentation/i2c/busses/i2c-ali1535.rst (renamed from Documentation/i2c/busses/i2c-ali1535) | 13 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-ali1563.rst (renamed from Documentation/i2c/busses/i2c-ali1563) | 3 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-ali15x3.rst (renamed from Documentation/i2c/busses/i2c-ali15x3) | 64 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-amd-mp2 | 23 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-amd-mp2.rst | 25 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-amd756.rst (renamed from Documentation/i2c/busses/i2c-amd756) | 8 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-amd8111.rst (renamed from Documentation/i2c/busses/i2c-amd8111) | 14 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-diolan-u2c.rst (renamed from Documentation/i2c/busses/i2c-diolan-u2c) | 3 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-i801.rst (renamed from Documentation/i2c/busses/i2c-i801) | 33 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-ismt.rst (renamed from Documentation/i2c/busses/i2c-ismt) | 20 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-mlxcpld.rst (renamed from Documentation/i2c/busses/i2c-mlxcpld) | 6 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-nforce2.rst (renamed from Documentation/i2c/busses/i2c-nforce2) | 33 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-nvidia-gpu.rst (renamed from Documentation/i2c/busses/i2c-nvidia-gpu) | 6 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-ocores.rst (renamed from Documentation/i2c/busses/i2c-ocores) | 22 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-parport | 178 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-parport-light.rst (renamed from Documentation/i2c/busses/i2c-parport-light) | 8 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-parport.rst | 190 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-pca-isa.rst (renamed from Documentation/i2c/busses/i2c-pca-isa) | 9 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-piix4.rst (renamed from Documentation/i2c/busses/i2c-piix4) | 18 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-sis5595.rst (renamed from Documentation/i2c/busses/i2c-sis5595) | 19 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-sis630 | 58 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-sis630.rst | 63 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-sis96x.rst (renamed from Documentation/i2c/busses/i2c-sis96x) | 31 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-taos-evm.rst (renamed from Documentation/i2c/busses/i2c-taos-evm) | 8 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-via.rst (renamed from Documentation/i2c/busses/i2c-via) | 28 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-viapro.rst (renamed from Documentation/i2c/busses/i2c-viapro) | 12 | ||||
| -rw-r--r-- | Documentation/i2c/busses/index.rst | 33 | ||||
| -rw-r--r-- | Documentation/i2c/busses/scx200_acb.rst (renamed from Documentation/i2c/busses/scx200_acb) | 9 |
28 files changed, 543 insertions, 394 deletions
diff --git a/Documentation/i2c/busses/i2c-ali1535 b/Documentation/i2c/busses/i2c-ali1535.rst index 5d46342e486a..6941064730dc 100644 --- a/Documentation/i2c/busses/i2c-ali1535 +++ b/Documentation/i2c/busses/i2c-ali1535.rst @@ -1,16 +1,19 @@ +========================= Kernel driver i2c-ali1535 +========================= Supported adapters: * Acer Labs, Inc. ALI 1535 (south bridge) + Datasheet: Now under NDA http://www.ali.com.tw/ Authors: - Frodo Looijaard <frodol@dds.nl>, - Philip Edelbrock <phil@netroedge.com>, - Mark D. Studebaker <mdsxyz123@yahoo.com>, - Dan Eaton <dan.eaton@rocketlogix.com>, - Stephen Rousset<stephen.rousset@rocketlogix.com> + - Frodo Looijaard <frodol@dds.nl>, + - Philip Edelbrock <phil@netroedge.com>, + - Mark D. Studebaker <mdsxyz123@yahoo.com>, + - Dan Eaton <dan.eaton@rocketlogix.com>, + - Stephen Rousset<stephen.rousset@rocketlogix.com> Description ----------- diff --git a/Documentation/i2c/busses/i2c-ali1563 b/Documentation/i2c/busses/i2c-ali1563.rst index 41b1a077e4c7..eec32c3ba92a 100644 --- a/Documentation/i2c/busses/i2c-ali1563 +++ b/Documentation/i2c/busses/i2c-ali1563.rst @@ -1,7 +1,10 @@ +========================= Kernel driver i2c-ali1563 +========================= Supported adapters: * Acer Labs, Inc. ALI 1563 (south bridge) + Datasheet: Now under NDA http://www.ali.com.tw/ diff --git a/Documentation/i2c/busses/i2c-ali15x3 b/Documentation/i2c/busses/i2c-ali15x3.rst index 42888d8ac124..d4c1a2a419cb 100644 --- a/Documentation/i2c/busses/i2c-ali15x3 +++ b/Documentation/i2c/busses/i2c-ali15x3.rst @@ -1,20 +1,23 @@ +========================= Kernel driver i2c-ali15x3 +========================= Supported adapters: * Acer Labs, Inc. ALI 1533 and 1543C (south bridge) + Datasheet: Now under NDA http://www.ali.com.tw/ Authors: - Frodo Looijaard <frodol@dds.nl>, - Philip Edelbrock <phil@netroedge.com>, - Mark D. Studebaker <mdsxyz123@yahoo.com> + - Frodo Looijaard <frodol@dds.nl>, + - Philip Edelbrock <phil@netroedge.com>, + - Mark D. Studebaker <mdsxyz123@yahoo.com> Module Parameters ----------------- * force_addr: int - Initialize the base address of the i2c controller + Initialize the base address of the i2c controller Notes @@ -25,7 +28,9 @@ the BIOS. Does not do a PCI force; the device must still be present in lspci. Don't use this unless the driver complains that the base address is not set. -Example: 'modprobe i2c-ali15x3 force_addr=0xe800' +Example:: + + modprobe i2c-ali15x3 force_addr=0xe800 SMBus periodically hangs on ASUS P5A motherboards and can only be cleared by a power cycle. Cause unknown (see Issues below). @@ -38,47 +43,53 @@ This is the driver for the SMB Host controller on Acer Labs Inc. (ALI) M1541 and M1543C South Bridges. The M1543C is a South bridge for desktop systems. + The M1541 is a South bridge for portable systems. + They are part of the following ALI chipsets: * "Aladdin Pro 2" includes the M1621 Slot 1 North bridge with AGP and - 100MHz CPU Front Side bus + 100MHz CPU Front Side bus * "Aladdin V" includes the M1541 Socket 7 North bridge with AGP and 100MHz - CPU Front Side bus + CPU Front Side bus + Some Aladdin V motherboards: - Asus P5A - Atrend ATC-5220 - BCM/GVC VP1541 - Biostar M5ALA - Gigabyte GA-5AX (** Generally doesn't work because the BIOS doesn't - enable the 7101 device! **) - Iwill XA100 Plus - Micronics C200 - Microstar (MSI) MS-5169 + - Asus P5A + - Atrend ATC-5220 + - BCM/GVC VP1541 + - Biostar M5ALA + - Gigabyte GA-5AX (Generally doesn't work because the BIOS doesn't + enable the 7101 device!) + - Iwill XA100 Plus + - Micronics C200 + - Microstar (MSI) MS-5169 * "Aladdin IV" includes the M1541 Socket 7 North bridge - with host bus up to 83.3 MHz. + with host bus up to 83.3 MHz. For an overview of these chips see http://www.acerlabs.com. At this time the full data sheets on the web site are password protected, however if you contact the ALI office in San Jose they may give you the password. The M1533/M1543C devices appear as FOUR separate devices on the PCI bus. An -output of lspci will show something similar to the following: +output of lspci will show something similar to the following:: 00:02.0 USB Controller: Acer Laboratories Inc. M5237 (rev 03) 00:03.0 Bridge: Acer Laboratories Inc. M7101 <= THIS IS THE ONE WE NEED 00:07.0 ISA bridge: Acer Laboratories Inc. M1533 (rev c3) 00:0f.0 IDE interface: Acer Laboratories Inc. M5229 (rev c1) -** IMPORTANT ** -** If you have a M1533 or M1543C on the board and you get -** "ali15x3: Error: Can't detect ali15x3!" -** then run lspci. -** If you see the 1533 and 5229 devices but NOT the 7101 device, -** then you must enable ACPI, the PMU, SMB, or something similar -** in the BIOS. -** The driver won't work if it can't find the M7101 device. +.. important:: + + If you have a M1533 or M1543C on the board and you get + "ali15x3: Error: Can't detect ali15x3!" + then run lspci. + + If you see the 1533 and 5229 devices but NOT the 7101 device, + then you must enable ACPI, the PMU, SMB, or something similar + in the BIOS. + + The driver won't work if it can't find the M7101 device. The SMB controller is part of the M7101 device, which is an ACPI-compliant Power Management Unit (PMU). @@ -109,4 +120,3 @@ There may be electrical problems on this board. On the P5A, the W83781D sensor chip is on both the ISA and SMBus. Therefore the SMBus hangs can generally be avoided by accessing the W83781D on the ISA bus only. - diff --git a/Documentation/i2c/busses/i2c-amd-mp2 b/Documentation/i2c/busses/i2c-amd-mp2 deleted file mode 100644 index 6571487171f4..000000000000 --- a/Documentation/i2c/busses/i2c-amd-mp2 +++ /dev/null @@ -1,23 +0,0 @@ -Kernel driver i2c-amd-mp2 - -Supported adapters: - * AMD MP2 PCIe interface - -Datasheet: not publicly available. - -Authors: - Shyam Sundar S K <Shyam-sundar.S-k@amd.com> - Nehal Shah <nehal-bakulchandra.shah@amd.com> - Elie Morisse <syniurge@gmail.com> - -Description ------------ - -The MP2 is an ARM processor programmed as an I2C controller and communicating -with the x86 host through PCI. - -If you see something like this: - -03:00.7 MP2 I2C controller: Advanced Micro Devices, Inc. [AMD] Device 15e6 - -in your 'lspci -v', then this driver is for your device. diff --git a/Documentation/i2c/busses/i2c-amd-mp2.rst b/Documentation/i2c/busses/i2c-amd-mp2.rst new file mode 100644 index 000000000000..ebc2fa899325 --- /dev/null +++ b/Documentation/i2c/busses/i2c-amd-mp2.rst @@ -0,0 +1,25 @@ +========================= +Kernel driver i2c-amd-mp2 +========================= + +Supported adapters: + * AMD MP2 PCIe interface + +Datasheet: not publicly available. + +Authors: + - Shyam Sundar S K <Shyam-sundar.S-k@amd.com> + - Nehal Shah <nehal-bakulchandra.shah@amd.com> + - Elie Morisse <syniurge@gmail.com> + +Description +----------- + +The MP2 is an ARM processor programmed as an I2C controller and communicating +with the x86 host through PCI. + +If you see something like this:: + + 03:00.7 MP2 I2C controller: Advanced Micro Devices, Inc. [AMD] Device 15e6 + +in your ``lspci -v``, then this driver is for your device. diff --git a/Documentation/i2c/busses/i2c-amd756 b/Documentation/i2c/busses/i2c-amd756.rst index 67f30874d0bf..bc93f392a4fc 100644 --- a/Documentation/i2c/busses/i2c-amd756 +++ b/Documentation/i2c/busses/i2c-amd756.rst @@ -1,18 +1,22 @@ +======================== Kernel driver i2c-amd756 +======================== Supported adapters: * AMD 756 * AMD 766 * AMD 768 * AMD 8111 + Datasheets: Publicly available on AMD website * nVidia nForce + Datasheet: Unavailable Authors: - Frodo Looijaard <frodol@dds.nl>, - Philip Edelbrock <phil@netroedge.com> + - Frodo Looijaard <frodol@dds.nl>, + - Philip Edelbrock <phil@netroedge.com> Description ----------- diff --git a/Documentation/i2c/busses/i2c-amd8111 b/Documentation/i2c/busses/i2c-amd8111.rst index 460dd6635fd2..d08bf0a7f0ac 100644 --- a/Documentation/i2c/busses/i2c-amd8111 +++ b/Documentation/i2c/busses/i2c-amd8111.rst @@ -1,4 +1,6 @@ +========================= Kernel driver i2c-adm8111 +========================= Supported adapters: * AMD-8111 SMBus 2.0 PCI interface @@ -13,14 +15,14 @@ Author: Vojtech Pavlik <vojtech@suse.cz> Description ----------- -If you see something like this: +If you see something like this:: -00:07.2 SMBus: Advanced Micro Devices [AMD] AMD-8111 SMBus 2.0 (rev 02) - Subsystem: Advanced Micro Devices [AMD] AMD-8111 SMBus 2.0 - Flags: medium devsel, IRQ 19 - I/O ports at d400 [size=32] + 00:07.2 SMBus: Advanced Micro Devices [AMD] AMD-8111 SMBus 2.0 (rev 02) + Subsystem: Advanced Micro Devices [AMD] AMD-8111 SMBus 2.0 + Flags: medium devsel, IRQ 19 + I/O ports at d400 [size=32] -in your 'lspci -v', then this driver is for your chipset. +in your ``lspci -v``, then this driver is for your chipset. Process Call Support -------------------- diff --git a/Documentation/i2c/busses/i2c-diolan-u2c b/Documentation/i2c/busses/i2c-diolan-u2c.rst index 0d6018c316c7..c18cbdcdf73c 100644 --- a/Documentation/i2c/busses/i2c-diolan-u2c +++ b/Documentation/i2c/busses/i2c-diolan-u2c.rst @@ -1,7 +1,10 @@ +============================ Kernel driver i2c-diolan-u2c +============================ Supported adapters: * Diolan U2C-12 I2C-USB adapter + Documentation: http://www.diolan.com/i2c/u2c12.html diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801.rst index f426c13c63a9..2a570c214880 100644 --- a/Documentation/i2c/busses/i2c-i801 +++ b/Documentation/i2c/busses/i2c-i801.rst @@ -1,4 +1,7 @@ +====================== Kernel driver i2c-i801 +====================== + Supported adapters: * Intel 82801AA and 82801AB (ICH and ICH0 - part of the @@ -39,28 +42,33 @@ Supported adapters: * Intel Comet Lake (PCH) * Intel Elkhart Lake (PCH) * Intel Tiger Lake (PCH) + Datasheets: Publicly available at the Intel website On Intel Patsburg and later chipsets, both the normal host SMBus controller and the additional 'Integrated Device Function' controllers are supported. -Authors: - Mark Studebaker <mdsxyz123@yahoo.com> - Jean Delvare <jdelvare@suse.de> +Authors: + - Mark Studebaker <mdsxyz123@yahoo.com> + - Jean Delvare <jdelvare@suse.de> Module Parameters ----------------- * disable_features (bit vector) + Disable selected features normally supported by the device. This makes it possible to work around possible driver or hardware bugs if the feature in question doesn't work as intended for whatever reason. Bit values: + + ==== ========================================= 0x01 disable SMBus PEC 0x02 disable the block buffer 0x08 disable the I2C block read functionality 0x10 don't use interrupts 0x20 disable SMBus Host Notify + ==== ========================================= Description @@ -73,7 +81,7 @@ Pentium-based PCs, '815E' chipset, and others. The ICH chips contain at least SEVEN separate PCI functions in TWO logical PCI devices. An output of lspci will show something similar to the -following: +following:: 00:1e.0 PCI bridge: Intel Corporation: Unknown device 2418 (rev 01) 00:1f.0 ISA bridge: Intel Corporation: Unknown device 2410 (rev 01) @@ -139,14 +147,14 @@ and you think there's something interesting on the SMBus (e.g. a hardware monitoring chip), you need to add your board to the list. The motherboard is identified using the subvendor and subdevice IDs of the -host bridge PCI device. Get yours with "lspci -n -v -s 00:00.0": +host bridge PCI device. Get yours with ``lspci -n -v -s 00:00.0``:: -00:00.0 Class 0600: 8086:2570 (rev 02) - Subsystem: 1043:80f2 - Flags: bus master, fast devsel, latency 0 - Memory at fc000000 (32-bit, prefetchable) [size=32M] - Capabilities: [e4] #09 [2106] - Capabilities: [a0] AGP version 3.0 + 00:00.0 Class 0600: 8086:2570 (rev 02) + Subsystem: 1043:80f2 + Flags: bus master, fast devsel, latency 0 + Memory at fc000000 (32-bit, prefetchable) [size=32M] + Capabilities: [e4] #09 [2106] + Capabilities: [a0] AGP version 3.0 Here the host bridge ID is 2570 (82865G/PE/P), the subvendor ID is 1043 (Asus) and the subdevice ID is 80f2 (P4P800-X). You can find the symbolic @@ -165,7 +173,8 @@ kernel. It's very convenient if you just want to check if there's anything interesting on your hidden ICH SMBus. -********************** +---------------------------------------------------------------------------- + The lm_sensors project gratefully acknowledges the support of Texas Instruments in the initial development of this driver. diff --git a/Documentation/i2c/busses/i2c-ismt b/Documentation/i2c/busses/i2c-ismt.rst index 737355822c0b..8e74919a3fdf 100644 --- a/Documentation/i2c/busses/i2c-ismt +++ b/Documentation/i2c/busses/i2c-ismt.rst @@ -1,4 +1,7 @@ +====================== Kernel driver i2c-ismt +====================== + Supported adapters: * Intel S12xx series SOCs @@ -11,16 +14,21 @@ Module Parameters ----------------- * bus_speed (unsigned int) + Allows changing of the bus speed. Normally, the bus speed is set by the BIOS and never needs to be changed. However, some SMBus analyzers are too slow for monitoring the bus during debug, thus the need for this module parameter. Specify the bus speed in kHz. + Available bus frequency settings: - 0 no change - 80 kHz - 100 kHz - 400 kHz - 1000 kHz + + ==== ========= + 0 no change + 80 kHz + 100 kHz + 400 kHz + 1000 kHz + ==== ========= Description @@ -30,7 +38,7 @@ The S12xx series of SOCs have a pair of integrated SMBus 2.0 controllers targeted primarily at the microserver and storage markets. The S12xx series contain a pair of PCI functions. An output of lspci will show -something similar to the following: +something similar to the following:: 00:13.0 System peripheral: Intel Corporation Centerton SMBus 2.0 Controller 0 00:13.1 System peripheral: Intel Corporation Centerton SMBus 2.0 Controller 1 diff --git a/Documentation/i2c/busses/i2c-mlxcpld b/Documentation/i2c/busses/i2c-mlxcpld.rst index 925904aa9b57..9a0b2916aa71 100644 --- a/Documentation/i2c/busses/i2c-mlxcpld +++ b/Documentation/i2c/busses/i2c-mlxcpld.rst @@ -1,9 +1,12 @@ +================== Driver i2c-mlxcpld +================== Author: Michael Shych <michaelsh@mellanox.com> This is the Mellanox I2C controller logic, implemented in Lattice CPLD device. + Device supports: - Master mode. - One physical bus. @@ -20,6 +23,8 @@ The next transaction types are supported: - Write Byte/Block. Registers: + +=============== === ======================================================================= CPBLTY 0x0 - capability reg. Bits [6:5] - transaction length. b01 - 72B is supported, 36B in other case. @@ -49,3 +54,4 @@ DATAx 0xa - 0x54 - 68 bytes data buffer regs. For read transactions address is sent in a separate transaction and specified in the four first bytes (DATA0 - DATA3). Data is read starting from DATA0. +=============== === ======================================================================= diff --git a/Documentation/i2c/busses/i2c-nforce2 b/Documentation/i2c/busses/i2c-nforce2.rst index 9698c396b830..83181445268f 100644 --- a/Documentation/i2c/busses/i2c-nforce2 +++ b/Documentation/i2c/busses/i2c-nforce2.rst @@ -1,10 +1,12 @@ +========================= Kernel driver i2c-nforce2 +========================= Supported adapters: - * nForce2 MCP 10de:0064 - * nForce2 Ultra 400 MCP 10de:0084 - * nForce3 Pro150 MCP 10de:00D4 - * nForce3 250Gb MCP 10de:00E4 + * nForce2 MCP 10de:0064 + * nForce2 Ultra 400 MCP 10de:0084 + * nForce3 Pro150 MCP 10de:00D4 + * nForce3 250Gb MCP 10de:00E4 * nForce4 MCP 10de:0052 * nForce4 MCP-04 10de:0034 * nForce MCP51 10de:0264 @@ -16,26 +18,27 @@ Supported adapters: * nForce MCP78S 10de:0752 * nForce MCP79 10de:0AA2 -Datasheet: not publicly available, but seems to be similar to the +Datasheet: + not publicly available, but seems to be similar to the AMD-8111 SMBus 2.0 adapter. Authors: - Hans-Frieder Vogt <hfvogt@gmx.net>, - Thomas Leibold <thomas@plx.com>, - Patrick Dreker <patrick@dreker.de> - + - Hans-Frieder Vogt <hfvogt@gmx.net>, + - Thomas Leibold <thomas@plx.com>, + - Patrick Dreker <patrick@dreker.de> + Description ----------- i2c-nforce2 is a driver for the SMBuses included in the nVidia nForce2 MCP. -If your 'lspci -v' listing shows something like the following, +If your ``lspci -v`` listing shows something like the following:: -00:01.1 SMBus: nVidia Corporation: Unknown device 0064 (rev a2) - Subsystem: Asustek Computer, Inc.: Unknown device 0c11 - Flags: 66Mhz, fast devsel, IRQ 5 - I/O ports at c000 [size=32] - Capabilities: <available only to root> + 00:01.1 SMBus: nVidia Corporation: Unknown device 0064 (rev a2) + Subsystem: Asustek Computer, Inc.: Unknown device 0c11 + Flags: 66Mhz, fast devsel, IRQ 5 + I/O ports at c000 [size=32] + Capabilities: <available only to root> then this driver should support the SMBuses of your motherboard. diff --git a/Documentation/i2c/busses/i2c-nvidia-gpu b/Documentation/i2c/busses/i2c-nvidia-gpu.rst index 31884d2b2eb5..38fb8a4c8756 100644 --- a/Documentation/i2c/busses/i2c-nvidia-gpu +++ b/Documentation/i2c/busses/i2c-nvidia-gpu.rst @@ -1,4 +1,6 @@ +============================ Kernel driver i2c-nvidia-gpu +============================ Datasheet: not publicly available. @@ -11,8 +13,8 @@ Description i2c-nvidia-gpu is a driver for I2C controller included in NVIDIA Turing and later GPUs and it is used to communicate with Type-C controller on GPUs. -If your 'lspci -v' listing shows something like the following, +If your ``lspci -v`` listing shows something like the following:: -01:00.3 Serial bus controller [0c80]: NVIDIA Corporation Device 1ad9 (rev a1) + 01:00.3 Serial bus controller [0c80]: NVIDIA Corporation Device 1ad9 (rev a1) then this driver should support the I2C controller of your GPU. diff --git a/Documentation/i2c/busses/i2c-ocores b/Documentation/i2c/busses/i2c-ocores.rst index 9caaf7df1b2f..f5e175f2a2a6 100644 --- a/Documentation/i2c/busses/i2c-ocores +++ b/Documentation/i2c/busses/i2c-ocores.rst @@ -1,4 +1,6 @@ +======================== Kernel driver i2c-ocores +======================== Supported adapters: * OpenCores.org I2C controller by Richard Herveille (see datasheet link) @@ -23,9 +25,9 @@ distance between registers and the input clock speed. There is also a possibility to attach a list of i2c_board_info which the i2c-ocores driver will add to the bus upon creation. -E.G. something like: +E.G. something like:: -static struct resource ocores_resources[] = { + static struct resource ocores_resources[] = { [0] = { .start = MYI2C_BASEADDR, .end = MYI2C_BASEADDR + 8, @@ -36,10 +38,10 @@ static struct resource ocores_resources[] = { .end = MYI2C_IRQ, .flags = IORESOURCE_IRQ, }, -}; + }; -/* optional board info */ -struct i2c_board_info ocores_i2c_board_info[] = { + /* optional board info */ + struct i2c_board_info ocores_i2c_board_info[] = { { I2C_BOARD_INFO("tsc2003", 0x48), .platform_data = &tsc2003_platform_data, @@ -49,20 +51,20 @@ struct i2c_board_info ocores_i2c_board_info[] = { I2C_BOARD_INFO("adv7180", 0x42 >> 1), .irq = ADV_IRQ } -}; + }; -static struct ocores_i2c_platform_data myi2c_data = { + static struct ocores_i2c_platform_data myi2c_data = { .regstep = 2, /* two bytes between registers */ .clock_khz = 50000, /* input clock of 50MHz */ .devices = ocores_i2c_board_info, /* optional table of devices */ .num_devices = ARRAY_SIZE(ocores_i2c_board_info), /* table size */ -}; + }; -static struct platform_device myi2c = { + static struct platform_device myi2c = { .name = "ocores-i2c", .dev = { .platform_data = &myi2c_data, }, .num_resources = ARRAY_SIZE(ocores_resources), .resource = ocores_resources, -}; + }; diff --git a/Documentation/i2c/busses/i2c-parport b/Documentation/i2c/busses/i2c-parport deleted file mode 100644 index c3dbb3bfd814..000000000000 --- a/Documentation/i2c/busses/i2c-parport +++ /dev/null @@ -1,178 +0,0 @@ -Kernel driver i2c-parport - -Author: Jean Delvare <jdelvare@suse.de> - -This is a unified driver for several i2c-over-parallel-port adapters, -such as the ones made by Philips, Velleman or ELV. This driver is -meant as a replacement for the older, individual drivers: - * i2c-philips-par - * i2c-elv - * i2c-velleman - * video/i2c-parport (NOT the same as this one, dedicated to home brew - teletext adapters) - -It currently supports the following devices: - * (type=0) Philips adapter - * (type=1) home brew teletext adapter - * (type=2) Velleman K8000 adapter - * (type=3) ELV adapter - * (type=4) Analog Devices ADM1032 evaluation board - * (type=5) Analog Devices evaluation boards: ADM1025, ADM1030, ADM1031 - * (type=6) Barco LPT->DVI (K5800236) adapter - * (type=7) One For All JP1 parallel port adapter - * (type=8) VCT-jig - -These devices use different pinout configurations, so you have to tell -the driver what you have, using the type module parameter. There is no -way to autodetect the devices. Support for different pinout configurations -can be easily added when needed. - -Earlier kernels defaulted to type=0 (Philips). But now, if the type -parameter is missing, the driver will simply fail to initialize. - -SMBus alert support is available on adapters which have this line properly -connected to the parallel port's interrupt pin. - - -Building your own adapter -------------------------- - -If you want to build you own i2c-over-parallel-port adapter, here is -a sample electronics schema (credits go to Sylvain Munaut): - -Device PC -Side ___________________Vdd (+) Side - | | | - --- --- --- - | | | | | | - |R| |R| |R| - | | | | | | - --- --- --- - | | | - | | /| | -SCL ----------x--------o |-----------x------------------- pin 2 - | \| | | - | | | - | |\ | | -SDA ----------x----x---| o---x--------------------------- pin 13 - | |/ | - | | - | /| | - ---------o |----------------x-------------- pin 3 - \| | | - | | - --- --- - | | | | - |R| |R| - | | | | - --- --- - | | - ### ### - GND GND - -Remarks: - - This is the exact pinout and electronics used on the Analog Devices - evaluation boards. - /| - - All inverters -o |- must be 74HC05, they must be open collector output. - \| - - All resitors are 10k. - - Pins 18-25 of the parallel port connected to GND. - - Pins 4-9 (D2-D7) could be used as VDD is the driver drives them high. - The ADM1032 evaluation board uses D4-D7. Beware that the amount of - current you can draw from the parallel port is limited. Also note that - all connected lines MUST BE driven at the same state, else you'll short - circuit the output buffers! So plugging the I2C adapter after loading - the i2c-parport module might be a good safety since data line state - prior to init may be unknown. - - This is 5V! - - Obviously you cannot read SCL (so it's not really standard-compliant). - Pretty easy to add, just copy the SDA part and use another input pin. - That would give (ELV compatible pinout): - - -Device PC -Side ______________________________Vdd (+) Side - | | | | - --- --- --- --- - | | | | | | | | - |R| |R| |R| |R| - | | | | | | | | - --- --- --- --- - | | | | - | | |\ | | -SCL ----------x--------x--| o---x------------------------ pin 15 - | | |/ | - | | | - | | /| | - | ---o |-------------x-------------- pin 2 - | \| | | - | | | - | | | - | |\ | | -SDA ---------------x---x--| o--------x------------------- pin 10 - | |/ | - | | - | /| | - ---o |------------------x--------- pin 3 - \| | | - | | - --- --- - | | | | - |R| |R| - | | | | - --- --- - | | - ### ### - GND GND - - -If possible, you should use the same pinout configuration as existing -adapters do, so you won't even have to change the code. - - -Similar (but different) drivers -------------------------------- - -This driver is NOT the same as the i2c-pport driver found in the i2c -package. The i2c-pport driver makes use of modern parallel port features so -that you don't need additional electronics. It has other restrictions -however, and was not ported to Linux 2.6 (yet). - -This driver is also NOT the same as the i2c-pcf-epp driver found in the -lm_sensors package. The i2c-pcf-epp driver doesn't use the parallel port as -an I2C bus directly. Instead, it uses it to control an external I2C bus -master. That driver was not ported to Linux 2.6 (yet) either. - - -Legacy documentation for Velleman adapter ------------------------------------------ - -Useful links: -Velleman http://www.velleman.be/ -Velleman K8000 Howto http://howto.htlw16.ac.at/k8000-howto.html - -The project has lead to new libs for the Velleman K8000 and K8005: - LIBK8000 v1.99.1 and LIBK8005 v0.21 -With these libs, you can control the K8000 interface card and the K8005 -stepper motor card with the simple commands which are in the original -Velleman software, like SetIOchannel, ReadADchannel, SendStepCCWFull and -many more, using /dev/velleman. - http://home.wanadoo.nl/hihihi/libk8000.htm - http://home.wanadoo.nl/hihihi/libk8005.htm - http://struyve.mine.nu:8080/index.php?block=k8000 - http://sourceforge.net/projects/libk8005/ - - -One For All JP1 parallel port adapter -------------------------------------- - -The JP1 project revolves around a set of remote controls which expose -the I2C bus their internal configuration EEPROM lives on via a 6 pin -jumper in the battery compartment. More details can be found at: - -http://www.hifi-remote.com/jp1/ - -Details of the simple parallel port hardware can be found at: - -http://www.hifi-remote.com/jp1/hardware.shtml diff --git a/Documentation/i2c/busses/i2c-parport-light b/Documentation/i2c/busses/i2c-parport-light.rst index 7071b8ba0af4..e73af975d2c8 100644 --- a/Documentation/i2c/busses/i2c-parport-light +++ b/Documentation/i2c/busses/i2c-parport-light.rst @@ -1,13 +1,15 @@ +=============================== Kernel driver i2c-parport-light +=============================== Author: Jean Delvare <jdelvare@suse.de> -This driver is a light version of i2c-parport. It doesn't depend +This driver is a light version of i2c-parport. It doesn't depend on the parport driver, and uses direct I/O access instead. This might be preferred on embedded systems where wasting memory for the clean but heavy parport handling is not an option. The drawback is a reduced portability -and the impossibility to daisy-chain other parallel port devices. - +and the impossibility to daisy-chain other parallel port devices. + Please see i2c-parport for documentation. Module parameters: diff --git a/Documentation/i2c/busses/i2c-parport.rst b/Documentation/i2c/busses/i2c-parport.rst new file mode 100644 index 000000000000..a9b4e8133700 --- /dev/null +++ b/Documentation/i2c/busses/i2c-parport.rst @@ -0,0 +1,190 @@ +========================= +Kernel driver i2c-parport +========================= + +Author: Jean Delvare <jdelvare@suse.de> + +This is a unified driver for several i2c-over-parallel-port adapters, +such as the ones made by Philips, Velleman or ELV. This driver is +meant as a replacement for the older, individual drivers: + + * i2c-philips-par + * i2c-elv + * i2c-velleman + * video/i2c-parport + (NOT the same as this one, dedicated to home brew teletext adapters) + +It currently supports the following devices: + + * (type=0) Philips adapter + * (type=1) home brew teletext adapter + * (type=2) Velleman K8000 adapter + * (type=3) ELV adapter + * (type=4) Analog Devices ADM1032 evaluation board + * (type=5) Analog Devices evaluation boards: ADM1025, ADM1030, ADM1031 + * (type=6) Barco LPT->DVI (K5800236) adapter + * (type=7) One For All JP1 parallel port adapter + * (type=8) VCT-jig + +These devices use different pinout configurations, so you have to tell +the driver what you have, using the type module parameter. There is no +way to autodetect the devices. Support for different pinout configurations +can be easily added when needed. + +Earlier kernels defaulted to type=0 (Philips). But now, if the type +parameter is missing, the driver will simply fail to initialize. + +SMBus alert support is available on adapters which have this line properly +connected to the parallel port's interrupt pin. + + +Building your own adapter +------------------------- + +If you want to build you own i2c-over-parallel-port adapter, here is +a sample electronics schema (credits go to Sylvain Munaut):: + + Device PC + Side ___________________Vdd (+) Side + | | | + --- --- --- + | | | | | | + |R| |R| |R| + | | | | | | + --- --- --- + | | | + | | /| | + SCL ----------x--------o |-----------x------------------- pin 2 + | \| | | + | | | + | |\ | | + SDA ----------x----x---| o---x--------------------------- pin 13 + | |/ | + | | + | /| | + ---------o |----------------x-------------- pin 3 + \| | | + | | + --- --- + | | | | + |R| |R| + | | | | + --- --- + | | + ### ### + GND GND + +Remarks: + - This is the exact pinout and electronics used on the Analog Devices + evaluation boards. + - All inverters:: + + /| + -o |- + \| + + must be 74HC05, they must be open collector output. + - All resitors are 10k. + - Pins 18-25 of the parallel port connected to GND. + - Pins 4-9 (D2-D7) could be used as VDD is the driver drives them high. + The ADM1032 evaluation board uses D4-D7. Beware that the amount of + current you can draw from the parallel port is limited. Also note that + all connected lines MUST BE driven at the same state, else you'll short + circuit the output buffers! So plugging the I2C adapter after loading + the i2c-parport module might be a good safety since data line state + prior to init may be unknown. + - This is 5V! + - Obviously you cannot read SCL (so it's not really standard-compliant). + Pretty easy to add, just copy the SDA part and use another input pin. + That would give (ELV compatible pinout):: + + + Device PC + Side ______________________________Vdd (+) Side + | | | | + --- --- --- --- + | | | | | | | | + |R| |R| |R| |R| + | | | | | | | | + --- --- --- --- + | | | | + | | |\ | | + SCL ----------x--------x--| o---x------------------------ pin 15 + | | |/ | + | | | + | | /| | + | ---o |-------------x-------------- pin 2 + | \| | | + | | | + | | | + | |\ | | + SDA ---------------x---x--| o--------x------------------- pin 10 + | |/ | + | | + | /| | + ---o |------------------x--------- pin 3 + \| | | + | | + --- --- + | | | | + |R| |R| + | | | | + --- --- + | | + ### ### + GND GND + + +If possible, you should use the same pinout configuration as existing +adapters do, so you won't even have to change the code. + + +Similar (but different) drivers +------------------------------- + +This driver is NOT the same as the i2c-pport driver found in the i2c +package. The i2c-pport driver makes use of modern parallel port features so +that you don't need additional electronics. It has other restrictions +however, and was not ported to Linux 2.6 (yet). + +This driver is also NOT the same as the i2c-pcf-epp driver found in the +lm_sensors package. The i2c-pcf-epp driver doesn't use the parallel port as +an I2C bus directly. Instead, it uses it to control an external I2C bus +master. That driver was not ported to Linux 2.6 (yet) either. + + +Legacy documentation for Velleman adapter +----------------------------------------- + +Useful links: + +- Velleman http://www.velleman.be/ +- Velleman K8000 Howto http://howto.htlw16.ac.at/k8000-howto.html + +The project has lead to new libs for the Velleman K8000 and K8005: + + LIBK8000 v1.99.1 and LIBK8005 v0.21 + +With these libs, you can control the K8000 interface card and the K8005 +stepper motor card with the simple commands which are in the original +Velleman software, like SetIOchannel, ReadADchannel, SendStepCCWFull and +many more, using /dev/velleman. + + - http://home.wanadoo.nl/hihihi/libk8000.htm + - http://home.wanadoo.nl/hihihi/libk8005.htm + - http://struyve.mine.nu:8080/index.php?block=k8000 + - http://sourceforge.net/projects/libk8005/ + + +One For All JP1 parallel port adapter +------------------------------------- + +The JP1 project revolves around a set of remote controls which expose +the I2C bus their internal configuration EEPROM lives on via a 6 pin +jumper in the battery compartment. More details can be found at: + +http://www.hifi-remote.com/jp1/ + +Details of the simple parallel port hardware can be found at: + +http://www.hifi-remote.com/jp1/hardware.shtml diff --git a/Documentation/i2c/busses/i2c-pca-isa b/Documentation/i2c/busses/i2c-pca-isa.rst index b044e5265488..a254010c8055 100644 --- a/Documentation/i2c/busses/i2c-pca-isa +++ b/Documentation/i2c/busses/i2c-pca-isa.rst @@ -1,6 +1,9 @@ +========================= Kernel driver i2c-pca-isa +========================= Supported adapters: + This driver supports ISA boards using the Philips PCA 9564 Parallel bus to I2C bus controller @@ -10,11 +13,11 @@ Module Parameters ----------------- * base int - I/O base address + I/O base address * irq int - IRQ interrupt + IRQ interrupt * clock int - Clock rate as described in table 1 of PCA9564 datasheet + Clock rate as described in table 1 of PCA9564 datasheet Description ----------- diff --git a/Documentation/i2c/busses/i2c-piix4 b/Documentation/i2c/busses/i2c-piix4.rst index 2703bc3acad0..cc9000259223 100644 --- a/Documentation/i2c/busses/i2c-piix4 +++ b/Documentation/i2c/busses/i2c-piix4.rst @@ -1,4 +1,6 @@ +======================= Kernel driver i2c-piix4 +======================= Supported adapters: * Intel 82371AB PIIX4 and PIIX4E @@ -20,9 +22,9 @@ Supported adapters: * Standard Microsystems (SMSC) SLC90E66 (Victory66) southbridge Datasheet: Publicly available at the SMSC website http://www.smsc.com -Authors: - Frodo Looijaard <frodol@dds.nl> - Philip Edelbrock <phil@netroedge.com> +Authors: + - Frodo Looijaard <frodol@dds.nl> + - Philip Edelbrock <phil@netroedge.com> Module Parameters @@ -39,16 +41,16 @@ Description The PIIX4 (properly known as the 82371AB) is an Intel chip with a lot of functionality. Among other things, it implements the PCI bus. One of its -minor functions is implementing a System Management Bus. This is a true +minor functions is implementing a System Management Bus. This is a true SMBus - you can not access it on I2C levels. The good news is that it natively understands SMBus commands and you do not have to worry about timing problems. The bad news is that non-SMBus devices connected to it can confuse it mightily. Yes, this is known to happen... -Do 'lspci -v' and see whether it contains an entry like this: +Do ``lspci -v`` and see whether it contains an entry like this:: -0000:00:02.3 Bridge: Intel Corp. 82371AB/EB/MB PIIX4 ACPI (rev 02) - Flags: medium devsel, IRQ 9 + 0000:00:02.3 Bridge: Intel Corp. 82371AB/EB/MB PIIX4 ACPI (rev 02) + Flags: medium devsel, IRQ 9 Bus and device numbers may differ, but the function number must be identical (like many PCI devices, the PIIX4 incorporates a number of @@ -91,7 +93,7 @@ the SMI mode. device is located at 00:0f.0. 2) Now you just need to change the value in 0xD2 register. Get it first with command: lspci -xxx -s 00:0f.0 - If the value is 0x3 then you need to change it to 0x1 + If the value is 0x3 then you need to change it to 0x1: setpci -s 00:0f.0 d2.b=1 Please note that you don't need to do that in all cases, just when the SMBus is diff --git a/Documentation/i2c/busses/i2c-sis5595 b/Documentation/i2c/busses/i2c-sis5595.rst index ecd21fb49a8f..b85630c84a96 100644 --- a/Documentation/i2c/busses/i2c-sis5595 +++ b/Documentation/i2c/busses/i2c-sis5595.rst @@ -1,9 +1,11 @@ +========================= Kernel driver i2c-sis5595 +========================= Authors: - Frodo Looijaard <frodol@dds.nl>, - Mark D. Studebaker <mdsxyz123@yahoo.com>, - Philip Edelbrock <phil@netroedge.com> + - Frodo Looijaard <frodol@dds.nl>, + - Mark D. Studebaker <mdsxyz123@yahoo.com>, + - Philip Edelbrock <phil@netroedge.com> Supported adapters: * Silicon Integrated Systems Corp. SiS5595 Southbridge @@ -11,14 +13,19 @@ Supported adapters: Note: all have mfr. ID 0x1039. + ========= ====== SUPPORTED PCI ID + ========= ====== 5595 0008 + ========= ====== Note: these chips contain a 0008 device which is incompatible with the 5595. We recognize these by the presence of the listed "blacklist" PCI ID and refuse to load. + ============= ====== ================ NOT SUPPORTED PCI ID BLACKLIST PCI ID + ============= ====== ================ 540 0008 0540 550 0008 0550 5513 0008 5511 @@ -36,15 +43,18 @@ Note: all have mfr. ID 0x1039. 735 0008 0735 745 0008 0745 746 0008 0746 + ============= ====== ================ Module Parameters ----------------- -* force_addr=0xaddr Set the I/O base address. Useful for boards +================== ===================================================== +force_addr=0xaddr Set the I/O base address. Useful for boards that don't set the address in the BIOS. Does not do a PCI force; the device must still be present in lspci. Don't use this unless the driver complains that the base address is not set. +================== ===================================================== Description ----------- @@ -56,4 +66,3 @@ WARNING: If you are trying to access the integrated sensors on the SiS5595 chip, you want the sis5595 driver for those, not this driver. This driver is a BUS driver, not a CHIP driver. A BUS driver is used by other CHIP drivers to access chips on the bus. - diff --git a/Documentation/i2c/busses/i2c-sis630 b/Documentation/i2c/busses/i2c-sis630 deleted file mode 100644 index ee7943631074..000000000000 --- a/Documentation/i2c/busses/i2c-sis630 +++ /dev/null @@ -1,58 +0,0 @@ -Kernel driver i2c-sis630 - -Supported adapters: - * Silicon Integrated Systems Corp (SiS) - 630 chipset (Datasheet: available at http://www.sfr-fresh.com/linux) - 730 chipset - 964 chipset - * Possible other SiS chipsets ? - -Author: Alexander Malysh <amalysh@web.de> - Amaury Decrême <amaury.decreme@gmail.com> - SiS964 support - -Module Parameters ------------------ - -* force = [1|0] Forcibly enable the SIS630. DANGEROUS! - This can be interesting for chipsets not named - above to check if it works for you chipset, but DANGEROUS! - -* high_clock = [1|0] Forcibly set Host Master Clock to 56KHz (default, - what your BIOS use). DANGEROUS! This should be a bit - faster, but freeze some systems (i.e. my Laptop). - SIS630/730 chip only. - - -Description ------------ - -This SMBus only driver is known to work on motherboards with the above -named chipsets. - -If you see something like this: - -00:00.0 Host bridge: Silicon Integrated Systems [SiS] 630 Host (rev 31) -00:01.0 ISA bridge: Silicon Integrated Systems [SiS] 85C503/5513 - -or like this: - -00:00.0 Host bridge: Silicon Integrated Systems [SiS] 730 Host (rev 02) -00:01.0 ISA bridge: Silicon Integrated Systems [SiS] 85C503/5513 - -or like this: - -00:00.0 Host bridge: Silicon Integrated Systems [SiS] 760/M760 Host (rev 02) -00:02.0 ISA bridge: Silicon Integrated Systems [SiS] SiS964 [MuTIOL Media IO] - LPC Controller (rev 36) - -in your 'lspci' output , then this driver is for your chipset. - -Thank You ---------- -Philip Edelbrock <phil@netroedge.com> -- testing SiS730 support -Mark M. Hoffman <mhoffman@lightlink.com> -- bug fixes - -To anyone else which I forgot here ;), thanks! - diff --git a/Documentation/i2c/busses/i2c-sis630.rst b/Documentation/i2c/busses/i2c-sis630.rst new file mode 100644 index 000000000000..9fcd74b18781 --- /dev/null +++ b/Documentation/i2c/busses/i2c-sis630.rst @@ -0,0 +1,63 @@ +======================== +Kernel driver i2c-sis630 +======================== + +Supported adapters: + * Silicon Integrated Systems Corp (SiS) + 630 chipset (Datasheet: available at http://www.sfr-fresh.com/linux) + 730 chipset + 964 chipset + * Possible other SiS chipsets ? + +Author: + - Alexander Malysh <amalysh@web.de> + - Amaury Decrême <amaury.decreme@gmail.com> - SiS964 support + +Module Parameters +----------------- + +================== ===================================================== +force = [1|0] Forcibly enable the SIS630. DANGEROUS! + This can be interesting for chipsets not named + above to check if it works for you chipset, + but DANGEROUS! + +high_clock = [1|0] Forcibly set Host Master Clock to 56KHz (default, + what your BIOS use). DANGEROUS! This should be a bit + faster, but freeze some systems (i.e. my Laptop). + SIS630/730 chip only. +================== ===================================================== + + +Description +----------- + +This SMBus only driver is known to work on motherboards with the above +named chipsets. + +If you see something like this:: + + 00:00.0 Host bridge: Silicon Integrated Systems [SiS] 630 Host (rev 31) + 00:01.0 ISA bridge: Silicon Integrated Systems [SiS] 85C503/5513 + +or like this:: + + 00:00.0 Host bridge: Silicon Integrated Systems [SiS] 730 Host (rev 02) + 00:01.0 ISA bridge: Silicon Integrated Systems [SiS] 85C503/5513 + +or like this:: + + 00:00.0 Host bridge: Silicon Integrated Systems [SiS] 760/M760 Host (rev 02) + 00:02.0 ISA bridge: Silicon Integrated Systems [SiS] SiS964 [MuTIOL Media IO] + LPC Controller (rev 36) + +in your ``lspci`` output , then this driver is for your chipset. + +Thank You +--------- +Philip Edelbrock <phil@netroedge.com> +- testing SiS730 support +Mark M. Hoffman <mhoffman@lightlink.com> +- bug fixes + +To anyone else which I forgot here ;), thanks! diff --git a/Documentation/i2c/busses/i2c-sis96x b/Documentation/i2c/busses/i2c-sis96x.rst index 0b979f3252a4..437cc1d89588 100644 --- a/Documentation/i2c/busses/i2c-sis96x +++ b/Documentation/i2c/busses/i2c-sis96x.rst @@ -1,13 +1,18 @@ +======================== Kernel driver i2c-sis96x +======================== Replaces 2.4.x i2c-sis645 Supported adapters: + * Silicon Integrated Systems Corp (SiS) + Any combination of these host bridges: 645, 645DX (aka 646), 648, 650, 651, 655, 735, 745, 746 + and these south bridges: - 961, 962, 963(L) + 961, 962, 963(L) Author: Mark M. Hoffman <mhoffman@lightlink.com> @@ -21,17 +26,17 @@ those of the SiS630, although they are located in a completely different place. Thanks to Alexander Malysh <amalysh@web.de> for providing the SiS630 datasheet (and driver). -The command "lspci" as root should produce something like these lines: +The command ``lspci`` as root should produce something like these lines:: -00:00.0 Host bridge: Silicon Integrated Systems [SiS]: Unknown device 0645 -00:02.0 ISA bridge: Silicon Integrated Systems [SiS] 85C503/5513 -00:02.1 SMBus: Silicon Integrated Systems [SiS]: Unknown device 0016 + 00:00.0 Host bridge: Silicon Integrated Systems [SiS]: Unknown device 0645 + 00:02.0 ISA bridge: Silicon Integrated Systems [SiS] 85C503/5513 + 00:02.1 SMBus: Silicon Integrated Systems [SiS]: Unknown device 0016 -or perhaps this... +or perhaps this:: -00:00.0 Host bridge: Silicon Integrated Systems [SiS]: Unknown device 0645 -00:02.0 ISA bridge: Silicon Integrated Systems [SiS]: Unknown device 0961 -00:02.1 SMBus: Silicon Integrated Systems [SiS]: Unknown device 0016 + 00:00.0 Host bridge: Silicon Integrated Systems [SiS]: Unknown device 0645 + 00:02.0 ISA bridge: Silicon Integrated Systems [SiS]: Unknown device 0961 + 00:02.1 SMBus: Silicon Integrated Systems [SiS]: Unknown device 0016 (kernel versions later than 2.4.18 may fill in the "Unknown"s) @@ -50,7 +55,7 @@ TO DOs ------ * The driver does not support SMBus block reads/writes; I may add them if a -scenario is found where they're needed. + scenario is found where they're needed. Thank You @@ -58,16 +63,20 @@ Thank You Mark D. Studebaker <mdsxyz123@yahoo.com> - design hints and bug fixes + Alexander Maylsh <amalysh@web.de> - ditto, plus an important datasheet... almost the one I really wanted + Hans-Günter Lütke Uphues <hg_lu@t-online.de> - patch for SiS735 + Robert Zwerus <arzie@dds.nl> - testing for SiS645DX + Kianusch Sayah Karadji <kianusch@sk-tech.net> - patch for SiS645DX/962 + Ken Healy - patch for SiS655 To anyone else who has written w/ feedback, thanks! - diff --git a/Documentation/i2c/busses/i2c-taos-evm b/Documentation/i2c/busses/i2c-taos-evm.rst index 60299555dcf0..f342e313ee3d 100644 --- a/Documentation/i2c/busses/i2c-taos-evm +++ b/Documentation/i2c/busses/i2c-taos-evm.rst @@ -1,4 +1,6 @@ +========================== Kernel driver i2c-taos-evm +========================== Author: Jean Delvare <jdelvare@suse.de> @@ -23,10 +25,10 @@ Using this driver In order to use this driver, you'll need the serport driver, and the inputattach tool, which is part of the input-utils package. The following commands will tell the kernel that you have a TAOS EVM on the first -serial port: +serial port:: -# modprobe serport -# inputattach --taos-evm /dev/ttyS0 + # modprobe serport + # inputattach --taos-evm /dev/ttyS0 Technical details diff --git a/Documentation/i2c/busses/i2c-via b/Documentation/i2c/busses/i2c-via.rst index 343870661ac3..846aa17d80a2 100644 --- a/Documentation/i2c/busses/i2c-via +++ b/Documentation/i2c/busses/i2c-via.rst @@ -1,4 +1,6 @@ +===================== Kernel driver i2c-via +===================== Supported adapters: * VIA Technologies, InC. VT82C586B @@ -12,23 +14,27 @@ Description i2c-via is an i2c bus driver for motherboards with VIA chipset. The following VIA pci chipsets are supported: - - MVP3, VP3, VP2/97, VPX/97 + - MVP3, VP3, VP2/97, VPX/97 - others with South bridge VT82C586B -Your lspci listing must show this : +Your ``lspci`` listing must show this :: Bridge: VIA Technologies, Inc. VT82C586B ACPI (rev 10) - Problems? - - Q: You have VT82C586B on the motherboard, but not in the listing. - - A: Go to your BIOS setup, section PCI devices or similar. - Turn USB support on, and try again. +Problems? +--------- - Q: No error messages, but still i2c doesn't seem to work. + Q: + You have VT82C586B on the motherboard, but not in the listing. - A: This can happen. This driver uses the pins VIA recommends in their + A: + Go to your BIOS setup, section PCI devices or similar. + Turn USB support on, and try again. + + Q: + No error messages, but still i2c doesn't seem to work. + + A: + This can happen. This driver uses the pins VIA recommends in their datasheets, but there are several ways the motherboard manufacturer can actually wire the lines. - diff --git a/Documentation/i2c/busses/i2c-viapro b/Documentation/i2c/busses/i2c-viapro.rst index ab64ce21c254..1762f0cf93d0 100644 --- a/Documentation/i2c/busses/i2c-viapro +++ b/Documentation/i2c/busses/i2c-viapro.rst @@ -1,4 +1,6 @@ +======================== Kernel driver i2c-viapro +======================== Supported adapters: * VIA Technologies, Inc. VT82C596A/B @@ -26,9 +28,9 @@ Supported adapters: Datasheet: available on http://linux.via.com.tw Authors: - Kyösti Mälkki <kmalkki@cc.hut.fi>, - Mark D. Studebaker <mdsxyz123@yahoo.com>, - Jean Delvare <jdelvare@suse.de> + - Kyösti Mälkki <kmalkki@cc.hut.fi>, + - Mark D. Studebaker <mdsxyz123@yahoo.com>, + - Jean Delvare <jdelvare@suse.de> Module Parameters ----------------- @@ -44,8 +46,9 @@ Description i2c-viapro is a true SMBus host driver for motherboards with one of the supported VIA south bridges. -Your lspci -n listing must show one of these : +Your ``lspci -n`` listing must show one of these : + ================ ====================== device 1106:3050 (VT82C596A function 3) device 1106:3051 (VT82C596B function 3) device 1106:3057 (VT82C686 function 4) @@ -61,6 +64,7 @@ Your lspci -n listing must show one of these : device 1106:8353 (VX800/VX820) device 1106:8409 (VX855/VX875) device 1106:8410 (VX900) + ================ ====================== If none of these show up, you should look in the BIOS for settings like enable ACPI / SMBus or even USB. diff --git a/Documentation/i2c/busses/index.rst b/Documentation/i2c/busses/index.rst new file mode 100644 index 000000000000..97ca4d510816 --- /dev/null +++ b/Documentation/i2c/busses/index.rst @@ -0,0 +1,33 @@ +. SPDX-License-Identifier: GPL-2.0 + +=============== +I2C Bus Drivers +=============== + +.. toctree:: + :maxdepth: 1 + + i2c-ali1535 + i2c-ali1563 + i2c-ali15x3 + i2c-amd756 + i2c-amd8111 + i2c-amd-mp2 + i2c-diolan-u2c + i2c-i801 + i2c-ismt + i2c-mlxcpld + i2c-nforce2 + i2c-nvidia-gpu + i2c-ocores + i2c-parport-light + i2c-parport + i2c-pca-isa + i2c-piix4 + i2c-sis5595 + i2c-sis630 + i2c-sis96x + i2c-taos-evm + i2c-viapro + i2c-via + scx200_acb diff --git a/Documentation/i2c/busses/scx200_acb b/Documentation/i2c/busses/scx200_acb.rst index ce83c871fe95..8dc7c352508c 100644 --- a/Documentation/i2c/busses/scx200_acb +++ b/Documentation/i2c/busses/scx200_acb.rst @@ -1,4 +1,6 @@ +======================== Kernel driver scx200_acb +======================== Author: Christer Weinigel <wingel@nano-system.com> @@ -25,8 +27,11 @@ Device-specific notes The SC1100 WRAP boards are known to use base addresses 0x810 and 0x820. If the scx200_acb driver is built into the kernel, add the following -parameter to your boot command line: +parameter to your boot command line:: + scx200_acb.base=0x810,0x820 + If the scx200_acb driver is built as a module, add the following line to -a configuration file in /etc/modprobe.d/ instead: +a configuration file in /etc/modprobe.d/ instead:: + options scx200_acb base=0x810,0x820 |