From b644354a7c255defe0086c15ccb6b298f27a8bcf Mon Sep 17 00:00:00 2001 From: "eric.gao@rock-chips.com" Date: Mon, 10 Apr 2017 10:17:03 +0800 Subject: rockchip: i2c: Enable i2c for rk3399 To enable mipi display, we need to enable pmic rk808 first for lcd3v3 power,which use i2c0 to communicate with soc. So enable i2c0. Signed-off-by: Eric Gao Acked-by: Simon Glass diff --git a/arch/arm/dts/rk3399.dtsi b/arch/arm/dts/rk3399.dtsi index dbe55f2..d94d780 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 { @@ -668,6 +669,21 @@ status = "disabled"; }; + i2c0: i2c@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 = ; + 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 50b0d74..c644084 100644 --- a/configs/evb-rk3399_defconfig +++ b/configs/evb-rk3399_defconfig @@ -60,3 +60,4 @@ 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 af925ce..76f41f7 100644 --- a/drivers/i2c/rk_i2c.c +++ b/drivers/i2c/rk_i2c.c @@ -383,6 +383,7 @@ static const struct udevice_id rockchip_i2c_ids[] = { { .compatible = "rockchip,rk3066-i2c" }, { .compatible = "rockchip,rk3188-i2c" }, { .compatible = "rockchip,rk3288-i2c" }, + { .compatible = "rockchip,rk3399-i2c" }, { } }; -- cgit v0.10.2