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Commit e6081b21 authored by Wolfram Sang's avatar Wolfram Sang Committed by Simon Horman
Browse files

ARM: dts: lager: use demuxer for IIC3/I2C3 



Create a separate bus for da9063 PMIC and da9210 regulator
related I2C slaves.

Based on similar work for HDMI by Wolfram Sang.

Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
[wsa: rebased, corrected chip name in commit msg, updated aliases]
Signed-off-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
parent 4e65e1b6

arch/arm/boot/dts/r8a7790-lager.dts

+53 −31
Original line number Diff line number Diff line
@@ -55,6 +55,7 @@ 
		i2c10 = &i2cexio0;

		i2c11 = &i2cexio1;

		i2c12 = &i2chdmi;

		i2c13 = &i2cpwr;

	};



	chosen {
@@ -418,6 +419,46 @@ 
			};

		};

	};



	/*

	 * IIC3 and I2C3 may be switched using pinmux.

	 * IIC3/I2C3 does not appear to support fallback to GPIO.

	 */

	i2cpwr: i2c-13 {

		compatible = "i2c-demux-pinctrl";

		i2c-parent = <&iic3>, <&i2c3>;

		i2c-bus-name = "i2c-pwr";

		#address-cells = <1>;

		#size-cells = <0>;



		pmic@58 {

			compatible = "dlg,da9063";

			reg = <0x58>;

			interrupt-parent = <&irqc0>;

			interrupts = <2 IRQ_TYPE_LEVEL_LOW>;

			interrupt-controller;



			rtc {

				compatible = "dlg,da9063-rtc";

			};



			wdt {

				compatible = "dlg,da9063-watchdog";

			};

		};



		vdd_dvfs: regulator@68 {

			compatible = "dlg,da9210";

			reg = <0x68>;

			interrupt-parent = <&irqc0>;

			interrupts = <2 IRQ_TYPE_LEVEL_LOW>;



			regulator-min-microvolt = <1000000>;

			regulator-max-microvolt = <1000000>;

			regulator-boot-on;

			regulator-always-on;

		};

	};

};



&du {
@@ -557,6 +598,11 @@ 
		function = "iic2";

	};



	i2c3_pins: i2c3 {

		groups = "i2c3";

		function = "i2c3";

	};



	iic3_pins: iic3 {

		groups = "iic3";

		function = "iic3";
@@ -772,38 +818,14 @@ 
	clock-frequency = <100000>;

};



&iic3 {

	pinctrl-names = "default";

	pinctrl-0 = <&iic3_pins>;

	status = "okay";



	pmic@58 {

		compatible = "dlg,da9063";

		reg = <0x58>;

		interrupt-parent = <&irqc0>;

		interrupts = <2 IRQ_TYPE_LEVEL_LOW>;

		interrupt-controller;



		rtc {

			compatible = "dlg,da9063-rtc";

		};



		wdt {

			compatible = "dlg,da9063-watchdog";

		};

&i2c3	{

	pinctrl-0 = <&i2c3_pins>;

	pinctrl-names = "i2c-pwr";

};



	vdd_dvfs: regulator@68 {

		compatible = "dlg,da9210";

		reg = <0x68>;

		interrupt-parent = <&irqc0>;

		interrupts = <2 IRQ_TYPE_LEVEL_LOW>;



		regulator-min-microvolt = <1000000>;

		regulator-max-microvolt = <1000000>;

		regulator-boot-on;

		regulator-always-on;

	};

&iic3	{

	pinctrl-0 = <&iic3_pins>;

	pinctrl-names = "i2c-pwr";

};



&pci0 {