disable i2c1

hc

2024-05-11 645e752c5a84baeb21015cdc85fc05b7d16312c8

 kernel/arch/arm/boot/dts/r7s72100-rskrza1.dts
..
..
@@ -8,6 +8,7 @@
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 /dts-v1/;
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 #include "r7s72100.dtsi"
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 #include <dt-bindings/gpio/gpio.h>
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+#include <dt-bindings/input/input.h>
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 #include <dt-bindings/pinctrl/r7s72100-pinctrl.h>
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13
 
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 / {
..
..
@@ -28,23 +29,93 @@
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 		reg = <0x08000000 0x02000000>;
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 	};
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+	keyboard {
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+		compatible = "gpio-keys";
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+
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+		pinctrl-names = "default";
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+		pinctrl-0 = <&keyboard_pins>;
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+
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+		key-1 {
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+			interrupt-parent = <&irqc>;
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+			interrupts = <3 IRQ_TYPE_EDGE_BOTH>;
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+			linux,code = <KEY_1>;
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+			label = "SW1";
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+			wakeup-source;
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+		};
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+
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+		key-2 {
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+			interrupt-parent = <&irqc>;
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+			interrupts = <2 IRQ_TYPE_EDGE_BOTH>;
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+			linux,code = <KEY_2>;
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+			label = "SW2";
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+			wakeup-source;
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+		};
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+
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+		key-3 {
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+			interrupt-parent = <&irqc>;
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+			interrupts = <5 IRQ_TYPE_EDGE_BOTH>;
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+			linux,code = <KEY_3>;
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+			label = "SW3";
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+			wakeup-source;
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+		};
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+	};
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+
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 	lbsc {
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 		#address-cells = <1>;
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 		#size-cells = <1>;
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 	};
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 	leds {
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-		status = "okay";
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 		compatible = "gpio-leds";
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 		led0 {
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 			gpios = <&port7 1 GPIO_ACTIVE_LOW>;
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+		};
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+
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+		led1 {
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+			gpios = <&io_expander1 0 GPIO_ACTIVE_LOW>;
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+		};
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+
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+		led2 {
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+			gpios = <&io_expander1 1 GPIO_ACTIVE_LOW>;
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+		};
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+
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+		led3 {
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+			gpios = <&io_expander1 2 GPIO_ACTIVE_LOW>;
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 		};
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 	};
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 };
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 &extal_clk {
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 	clock-frequency = <13330000>;
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+};
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+
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+&i2c3 {
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+	pinctrl-names = "default";
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+	pinctrl-0 = <&i2c3_pins>;
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+	status = "okay";
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+
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+	clock-frequency = <400000>;
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+
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+	io_expander1: gpio@20 {
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+		compatible = "onnn,cat9554";
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+		reg = <0x20>;
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+		gpio-controller;
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+		#gpio-cells = <2>;
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+	};
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+
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+	io_expander2: gpio@21 {
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+		compatible = "onnn,cat9554";
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+		reg = <0x21>;
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+		gpio-controller;
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+		#gpio-cells = <2>;
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+	};
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+
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+	eeprom@50 {
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+		compatible = "renesas,r1ex24016", "atmel,24c16";
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+		reg = <0x50>;
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+		pagesize = <16>;
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+	};
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 };
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 &usb_x1_clk {
..
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@@ -56,6 +127,17 @@
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127
 };
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128
 
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 &pinctrl {
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+	/* RIIC ch3 (Port Expander, EEPROM (MAC Addr), Audio Codec) */
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+	i2c3_pins: i2c3 {
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+		pinmux = <RZA1_PINMUX(1, 6, 1)>,	/* RIIC3SCL */
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+			 <RZA1_PINMUX(1, 7, 1)>;	/* RIIC3SDA */
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+	};
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+
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+	keyboard_pins: keyboard {
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+		pinmux = <RZA1_PINMUX(1, 9, 3)>,	/* IRQ3 */
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+			 <RZA1_PINMUX(1, 8, 3)>,	/* IRQ2 */
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+			 <RZA1_PINMUX(1, 11, 3)>;	/* IRQ5 */
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+	};
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141
 
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 	/* Serial Console */
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 	scif2_pins: serial2 {