From: Ondrej Jirman <meg...@megous.com>

Allwinner H3/H5 SoCs have an I2C controller at PL GPIO bank.

Add support for it in the device tree.

Signed-off-by: Ondrej Jirman <meg...@megous.com>
[Icenowy: Change to use r_ccu and change pinmux node name]
Signed-off-by: Icenowy Zheng <icen...@aosc.io>
---
 arch/arm/boot/dts/sunxi-h3-h5.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi 
b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
index b240099bc865..65643c4710a3 100644
--- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
+++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
@@ -624,6 +624,20 @@
                        status = "disabled";
                };
 
+               r_i2c: i2c@01f02400 {
+                       compatible = "allwinner,sun6i-a31-i2c";
+                       reg = <0x01f02400 0x400>;
+                       interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&r_i2c_pins>;
+                       clocks = <&r_ccu CLK_APB0_I2C>;
+                       clock-frequency = <100000>;
+                       resets = <&r_ccu RST_APB0_I2C>;
+                       status = "disabled";
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+               };
+
                r_pio: pinctrl@01f02c00 {
                        compatible = "allwinner,sun8i-h3-r-pinctrl";
                        reg = <0x01f02c00 0x400>;
-- 
2.13.0

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