[PATCH v3 1/2] arm64: dts: airoha: en7581: Add more nodes to EN7581 SoC evaluation board

[AngeloGioacchino Del Regno]

Il 21/02/25 09:01, Lorenzo Bianconi ha scritto:
> Introduce the following nodes to EN7581 SoC and EN7581 evaluation board:
> - rng controller
> - pinctrl
> - i2c controllers
> 
> Signed-off-by: Lorenzo Bianconi <lorenzo at kernel.org>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>

> ---
>   arch/arm64/boot/dts/airoha/en7581-evb.dts |  4 +++
>   arch/arm64/boot/dts/airoha/en7581.dtsi    | 60 +++++++++++++++++++++++++++++++
>   2 files changed, 64 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/airoha/en7581-evb.dts b/arch/arm64/boot/dts/airoha/en7581-evb.dts
> index a4cdcadd1ae547cfc79553208f991767602705fd..d53b72d18242e3cee8b37c7b1b719d662fd6db8d 100644
> --- a/arch/arm64/boot/dts/airoha/en7581-evb.dts
> +++ b/arch/arm64/boot/dts/airoha/en7581-evb.dts
> @@ -64,3 +64,7 @@ reserved_bmt at 7e00000 {
>   		};
>   	};
>   };
> +
> +&i2c0 {
> +	status = "okay";
> +};
> diff --git a/arch/arm64/boot/dts/airoha/en7581.dtsi b/arch/arm64/boot/dts/airoha/en7581.dtsi
> index dbd296b049f99721186ab435d6e6b8dff73b73af..9a419796594d3a99e1187dcca622469bf5a888c3 100644
> --- a/arch/arm64/boot/dts/airoha/en7581.dtsi
> +++ b/arch/arm64/boot/dts/airoha/en7581.dtsi
> @@ -3,6 +3,7 @@
>   #include <dt-bindings/interrupt-controller/irq.h>
>   #include <dt-bindings/interrupt-controller/arm-gic.h>
>   #include <dt-bindings/clock/en7523-clk.h>
> +#include <dt-bindings/reset/airoha,en7581-reset.h>
>   
>   / {
>   	interrupt-parent = <&gic>;
> @@ -123,6 +124,12 @@ timer {
>   			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>;
>   	};
>   
> +	clk20m: clock-20000000 {
> +		compatible = "fixed-clock";
> +		#clock-cells = <0>;
> +		clock-frequency = <20000000>;
> +	};
> +
>   	soc {
>   		compatible = "simple-bus";
>   		#address-cells = <2>;
> @@ -181,5 +188,58 @@ uart1: serial at 1fbf0000 {
>   			interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>;
>   			clock-frequency = <1843200>;
>   		};
> +
> +		rng at 1faa1000 {
> +			compatible = "airoha,en7581-trng";
> +			reg = <0x0 0x1faa1000 0x0 0xc04>;
> +			interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
> +		};
> +
> +		system-controller at 1fbf0200 {
> +			compatible = "airoha,en7581-gpio-sysctl", "syscon",
> +				     "simple-mfd";
> +			reg = <0x0 0x1fbf0200 0x0 0xc0>;
> +
> +			en7581_pinctrl: pinctrl {
> +				compatible = "airoha,en7581-pinctrl";
> +
> +				interrupt-parent = <&gic>;
> +				interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
> +
> +				gpio-controller;
> +				#gpio-cells = <2>;
> +
> +				interrupt-controller;
> +				#interrupt-cells = <2>;
> +			};
> +		};
> +
> +		i2c0: i2c at 1fbf8000 {
> +			compatible = "mediatek,mt7621-i2c";
> +			reg = <0x0 0x1fbf8000 0x0 0x100>;
> +
> +			resets = <&scuclk EN7581_I2C2_RST>;
> +
> +			clocks = <&clk20m>;
> +			clock-frequency = <100000>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			status = "disabled";
> +		};
> +
> +		i2c1: i2c at 1fbf8100 {
> +			compatible = "mediatek,mt7621-i2c";
> +			reg = <0x0 0x1fbf8100 0x0 0x100>;
> +
> +			resets = <&scuclk EN7581_I2C_MASTER_RST>;
> +
> +			clocks = <&clk20m>;
> +			clock-frequency = <100000>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			status = "disabled";
> +		};
>   	};
>   };
>