From: "eric.gao" <eric....@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....@rock-chips.com>
Signed-off-by: Eric Gao <eric....@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@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
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