[U-Boot] [PATCH 2/7] Enable i2c for rk3399
Heiko Schocher
hs at denx.de
Mon Apr 3 04:16:39 UTC 2017
Hello Eric,
Am 01.04.2017 um 16:42 schrieb eric.gao at rock-chips.com:
> From: "eric.gao" <eric.gao at rock-chips.com>
>
> Signed-off-by: eric.gao <eric.gao at rock-chips.com>
> ---
>
> arch/arm/dts/rk3399.dtsi | 16 ++++++++++++++++
> configs/evb-rk3399_defconfig | 1 +
> drivers/i2c/rk_i2c.c | 1 +
> 3 files changed, 18 insertions(+)
Reviewed-by: Heiko Schocher <hs at denx.de>
bye,
Heiko
>
> diff --git a/arch/arm/dts/rk3399.dtsi b/arch/arm/dts/rk3399.dtsi
> index 456fdb6..93e3bf4 100644
> --- a/arch/arm/dts/rk3399.dtsi
> +++ b/arch/arm/dts/rk3399.dtsi
> @@ -26,6 +26,7 @@
> serial4 = &uart4;
> mmc0 = &sdhci;
> mmc1 = &sdmmc;
> + i2c0 = &i2c0;
> };
>
> cpus {
> @@ -651,6 +652,21 @@
> status = "disabled";
> };
>
> + i2c0: i2c at ff3c0000 {
> + compatible = "rockchip,rk3399-i2c";
> + reg = <0x0 0xff3c0000 0x0 0x1000>;
> + assigned-clocks = <&pmucru SCLK_I2C0_PMU>;
> + assigned-clock-rates = <200000000>;
> + clocks = <&pmucru SCLK_I2C0_PMU>, <&pmucru PCLK_I2C0_PMU>;
> + clock-names = "i2c", "pclk";
> + interrupts = <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH 0>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&i2c0_xfer>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + status = "disabled";
> + };
> +
> pinctrl: pinctrl {
> u-boot,dm-pre-reloc;
> compatible = "rockchip,rk3399-pinctrl";
> diff --git a/configs/evb-rk3399_defconfig b/configs/evb-rk3399_defconfig
> index bedc1fd..2e2f9a8 100644
> --- a/configs/evb-rk3399_defconfig
> +++ b/configs/evb-rk3399_defconfig
> @@ -58,3 +58,4 @@ CONFIG_USB_EHCI_GENERIC=y
> CONFIG_USB_STORAGE=y
> CONFIG_USE_TINY_PRINTF=y
> CONFIG_ERRNO_STR=y
> +CONFIG_SYS_I2C_ROCKCHIP=y
> diff --git a/drivers/i2c/rk_i2c.c b/drivers/i2c/rk_i2c.c
> index 7c701cb..a4c8c2ba 100644
> --- a/drivers/i2c/rk_i2c.c
> +++ b/drivers/i2c/rk_i2c.c
> @@ -381,6 +381,7 @@ static const struct dm_i2c_ops rockchip_i2c_ops = {
>
> static const struct udevice_id rockchip_i2c_ids[] = {
> { .compatible = "rockchip,rk3288-i2c" },
> + { .compatible = "rockchip,rk3399-i2c" },
> { }
> };
>
>
--
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