diff options
| author | Maxime Ripard <maxime.ripard@free-electrons.com> | 2015-03-26 15:53:44 +0100 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2015-06-01 11:13:26 +0200 |
| commit | 1fbc15175df040884cb58d73a8e4198f00891cd4 (patch) | |
| tree | f744864aee05355ecc9b01ebf9bea74438a9f4c0 /arch/arm/boot/dts/sun4i-a10.dtsi | |
| parent | 860c186c7d5998d54ef02ff273804b1eb31a9ba1 (diff) | |
ARM: dts: sun4i: Add A10 SRAM and SRAM controller
The A10 has a few SRAM that can be mapped either to a device or to the CPU,
with the mapping being controlled by a SRAM controller.
Add the SRAM controller, the SRAM that it drives and the section that can
be used by the various devices.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'arch/arm/boot/dts/sun4i-a10.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/sun4i-a10.dtsi | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi index d7f43e5caf49..61c03d1fe530 100644 --- a/arch/arm/boot/dts/sun4i-a10.dtsi +++ b/arch/arm/boot/dts/sun4i-a10.dtsi @@ -454,6 +454,42 @@ #size-cells = <1>; ranges; + sram-controller@01c00000 { + compatible = "allwinner,sun4i-a10-sram-controller"; + reg = <0x01c00000 0x30>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + sram_a: sram@00000000 { + compatible = "mmio-sram"; + reg = <0x00000000 0xc000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x00000000 0xc000>; + + emac_sram: sram-section@8000 { + compatible = "allwinner,sun4i-a10-sram-a3-a4"; + reg = <0x8000 0x4000>; + status = "disabled"; + }; + }; + + sram_d: sram@00010000 { + compatible = "mmio-sram"; + reg = <0x00010000 0x1000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x00010000 0x1000>; + + otg_sram: sram-section@0000 { + compatible = "allwinner,sun4i-a10-sram-d"; + reg = <0x0000 0x1000>; + status = "disabled"; + }; + }; + }; + dma: dma-controller@01c02000 { compatible = "allwinner,sun4i-a10-dma"; reg = <0x01c02000 0x1000>; @@ -495,6 +531,7 @@ reg = <0x01c0b000 0x1000>; interrupts = <55>; clocks = <&ahb_gates 17>; + allwinner,sram = <&emac_sram 1>; status = "disabled"; }; |