From: Ondrej Jirman <megous@xxxxxxxxxx>
H3 SoC contains I2C controller optionally available
on the PL0 and PL1 pins. This patch makes this controller
available.
Signed-off-by: Ondrej Jirman <megous@xxxxxxxxxx>
---
arch/arm/boot/dts/sun8i-h3.dtsi | 26 ++++++++++++++++++++++++--
1 file changed, 24 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/sun8i-h3.dtsi b/arch/arm/boot/dts/sun8i-h3.dtsi
index 82faefc..8d86f57 100644
--- a/arch/arm/boot/dts/sun8i-h3.dtsi
+++ b/arch/arm/boot/dts/sun8i-h3.dtsi
@@ -320,8 +320,9 @@
reg = <0x01f01428 0x4>;
#clock-cells = <1>;
clocks = <&apb0>;
- clock-indices = <0>, <1>;
- clock-output-names = "apb0_pio", "apb0_ir";
+ clock-indices = <0>, <1>, <6>;
+ clock-output-names = "apb0_pio", "apb0_ir", "apb0_i2c";
+
};
ir_clk: ir_clk@01f01454 {
@@ -666,6 +667,20 @@
status = "disabled";
};
+ r_twi: i2c@01f02400 {
+ compatible = "allwinner,sun6i-a31-i2c";
+ reg = <0x01f02400 0x400>;
+ interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&r_twi_pins_a>;
+ clocks = <&apb0_gates 6>;
+ clock-frequency = <100000>;
+ resets = <&apb0_reset 6>;
+ status = "disabled";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
gic: interrupt-controller@01c81000 {
compatible = "arm,cortex-a7-gic", "arm,cortex-a15-gic";
reg = <0x01c81000 0x1000>,
@@ -717,6 +732,13 @@
allwinner,drive = <SUN4I_PINCTRL_10_MA>;
allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
};
+
+ r_twi_pins_a: r_twi@0 {
+ allwinner,pins = "PL0", "PL1";
+ allwinner,function = "s_twi";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+ };
};
};
};
--
2.9.0
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