diff options
| author | Andy Yan <andy.yan@rock-chips.com> | 2017-08-11 11:39:50 +0800 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2017-08-13 14:05:44 +0200 |
| commit | 32cb77a204f90e1f00195a8302123c70e8b521d5 (patch) | |
| tree | d8854285ed960fb3158d8b18048c9f5f13152012 /arch/arm/boot/dts/rv1108.dtsi | |
| parent | d7be5b09e8390d3c2589d319d3985bcd7d53d4dc (diff) | |
ARM: dts: rockchip: add i2c dt nodes for rv1108
There are four i2c controllers on rv1108, add
device tree node for them.
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Diffstat (limited to 'arch/arm/boot/dts/rv1108.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/rv1108.dtsi | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/rv1108.dtsi b/arch/arm/boot/dts/rv1108.dtsi index 4c2133695a55..34bdd1956149 100644 --- a/arch/arm/boot/dts/rv1108.dtsi +++ b/arch/arm/boot/dts/rv1108.dtsi @@ -52,6 +52,10 @@ interrupt-parent = <&gic>; aliases { + i2c0 = &i2c0; + i2c1 = &i2c1; + i2c2 = &i2c2; + i2c3 = &i2c3; serial0 = &uart0; serial1 = &uart1; serial2 = &uart2; @@ -154,11 +158,67 @@ status = "disabled"; }; + i2c1: i2c@10240000 { + compatible = "rockchip,rv1108-i2c"; + reg = <0x10240000 0x1000>; + interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&cru SCLK_I2C1>, <&cru PCLK_I2C1>; + clock-names = "i2c", "pclk"; + pinctrl-names = "default"; + pinctrl-0 = <&i2c1_xfer>; + rockchip,grf = <&grf>; + status = "disabled"; + }; + + i2c2: i2c@10250000 { + compatible = "rockchip,rv1108-i2c"; + reg = <0x10250000 0x1000>; + interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&cru SCLK_I2C2>, <&cru PCLK_I2C2>; + clock-names = "i2c", "pclk"; + pinctrl-names = "default"; + pinctrl-0 = <&i2c2m1_xfer>; + rockchip,grf = <&grf>; + status = "disabled"; + }; + + i2c3: i2c@10260000 { + compatible = "rockchip,rv1108-i2c"; + reg = <0x10260000 0x1000>; + interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&cru SCLK_I2C3>, <&cru PCLK_I2C3>; + clock-names = "i2c", "pclk"; + pinctrl-names = "default"; + pinctrl-0 = <&i2c3_xfer>; + rockchip,grf = <&grf>; + status = "disabled"; + }; + grf: syscon@10300000 { compatible = "rockchip,rv1108-grf", "syscon"; reg = <0x10300000 0x1000>; }; + i2c0: i2c@20000000 { + compatible = "rockchip,rv1108-i2c"; + reg = <0x20000000 0x1000>; + interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&cru SCLK_I2C0_PMU>, <&cru PCLK_I2C0_PMU>; + clock-names = "i2c", "pclk"; + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_xfer>; + rockchip,grf = <&grf>; + status = "disabled"; + }; + pmugrf: syscon@20060000 { compatible = "rockchip,rv1108-pmugrf", "syscon"; reg = <0x20060000 0x1000>; @@ -303,6 +363,11 @@ drive-strength = <12>; }; + pcfg_pull_none_smt: pcfg-pull-none-smt { + bias-disable; + input-schmitt-enable; + }; + pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma { bias-pull-up; drive-strength = <8>; @@ -330,6 +395,13 @@ input-enable; }; + i2c0 { + i2c0_xfer: i2c0-xfer { + rockchip,pins = <0 RK_PB1 RK_FUNC_1 &pcfg_pull_none_smt>, + <0 RK_PB2 RK_FUNC_1 &pcfg_pull_none_smt>; + }; + }; + i2c1 { i2c1_xfer: i2c1-xfer { rockchip,pins = <2 RK_PD3 RK_FUNC_1 &pcfg_pull_up>, |