[U-Boot] [PATCH 1/5] rockchip: i2c: Enable i2c for rk3399

[Eric Gao <eric.gao@rock-chips.com>]

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 <eric.gao@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(+)

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" },
 	{ }
 };
 
-- 
1.9.1