Feedback-ID: ifd214418:Fastmail
From:   Alistair Francis <alistair@alistair23.me>
To:     s.hauer@pengutronix.de, devicetree@vger.kernel.org,
        shawnguo@kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-imx@nxp.com, linux-kernel@vger.kernel.org,
        robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org
Cc:     arnd@arndb.de, alistair23@gmail.com, kernel@pengutronix.de,
        jernej.skrabec@gmail.com, linux@armlinux.org.uk,
        festevam@gmail.com, Alistair Francis <alistair@alistair23.me>
Subject: [PATCH v3 3/3] ARM: dts: imx7d-remarkable2: Enable the rohm,bd71815
Date:   Sat, 25 Feb 2023 21:37:12 +1000
Message-Id: <20230225113712.340612-4-alistair@alistair23.me>
In-Reply-To: <20230225113712.340612-1-alistair@alistair23.me>
References: <20230225113712.340612-1-alistair@alistair23.me>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

Add support for the rohm,bd71815 power controller controller for the
reMarkable 2.

Signed-off-by: Alistair Francis <alistair@alistair23.me>
---
 arch/arm/boot/dts/imx7d-remarkable2.dts | 158 ++++++++++++++++++++++++
 1 file changed, 158 insertions(+)

diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/imx7d-remarkable2.dts
index 288fc8611117..9ecb733545cc 100644
--- a/arch/arm/boot/dts/imx7d-remarkable2.dts
+++ b/arch/arm/boot/dts/imx7d-remarkable2.dts
@@ -91,6 +91,10 @@ wifi_pwrseq: wifi_pwrseq {
 	};
 };
 
+&cpu0 {
+	cpu-supply = <&buck1_reg>;
+};
+
 &clks {
 	assigned-clocks = <&clks IMX7D_CLKO2_ROOT_SRC>,
 			  <&clks IMX7D_CLKO2_ROOT_DIV>;
@@ -118,6 +122,147 @@ wacom_digitizer: digitizer@9 {
 	};
 };
 
+&i2c2 {
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c2>;
+	status = "okay";
+
+	bd71815: pmic@4b {
+		compatible = "rohm,bd71815";
+		reg = <0x4b>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_bd71815>;
+		interrupt-parent = <&gpio6>; /* PMIC_INT_B GPIO6_IO16 */
+		interrupts = <16 IRQ_TYPE_LEVEL_LOW>;
+		gpio-controller;
+		clocks = <&clks IMX7D_CLKO2_ROOT_SRC>;
+		clock-output-names = "bd71815-32k-out";
+		#clock-cells = <0>;
+		#gpio-cells = <1>;
+
+		regulators {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			buck1_reg: regulator@0 {
+				reg = <0>;
+				regulator-compatible = "buck1";
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <2000000>;
+				regulator-boot-on;
+				regulator-always-on;
+				regulator-ramp-delay = <1250>;
+			};
+
+			buck2_reg: regulator@1 {
+				reg = <1>;
+				regulator-compatible = "buck2";
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <2000000>;
+				regulator-boot-on;
+				regulator-always-on;
+				regulator-ramp-delay = <1250>;
+			};
+
+			buck3_reg: regulator@2 {
+				reg = <2>;
+				regulator-compatible = "buck3";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <2700000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			buck4_reg: regulator@3 {
+				reg = <3>;
+				regulator-compatible = "buck4";
+				regulator-min-microvolt = <1100000>;
+				regulator-max-microvolt = <1850000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			buck5_reg: regulator@4 {
+				reg = <4>;
+				regulator-compatible = "buck5";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo1_reg: regulator@5 {
+				reg = <5>;
+				regulator-compatible = "ldo1";
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo2_reg: regulator@6 {
+				reg = <6>;
+				regulator-compatible = "ldo2";
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo3_reg: regulator@7 {
+				reg = <7>;
+				regulator-compatible = "ldo3";
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo4_reg: regulator@8 {
+				reg = <8>;
+				regulator-compatible = "ldo4";
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo5_reg: regulator@9 {
+				reg = <9>;
+				regulator-compatible = "ldo5";
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			dvref_reg: regulator@a {
+				reg = <0xa>;
+				regulator-compatible = "ldodvref";
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			lpsr_reg: regulator@b {
+				reg = <0xb>;
+				regulator-compatible = "ldolpsr";
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			wled_reg: regulator@c {
+				reg = <0xc>;
+				regulator-compatible = "wled";
+				regulator-min-microamp = <10>;
+				regulator-max-microamp = <25000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+		};
+	};
+};
+
 &i2c3 {
 	clock-frequency = <100000>;
 	pinctrl-names = "default";
@@ -292,6 +437,12 @@ MX7D_PAD_LPSR_GPIO1_IO01__GPIO1_IO1	0x00000034 /* WACOM INT */
 };
 
 &iomuxc {
+	pinctrl_bd71815: bd71815grp {
+		fsl,pins = <
+			MX7D_PAD_SAI1_RX_SYNC__GPIO6_IO16	0x59
+		>;
+	};
+
 	pinctrl_brcm_reg: brcmreggrp {
 		fsl,pins = <
 			/* WIFI_PWR_EN */
@@ -322,6 +473,13 @@ MX7D_PAD_I2C1_SCL__I2C1_SCL		0x4000007f
 		>;
 	};
 
+	pinctrl_i2c2: i2c2grp {
+		fsl,pins = <
+			MX7D_PAD_I2C2_SDA__I2C2_SDA		0x4000007f
+			MX7D_PAD_I2C2_SCL__I2C2_SCL		0x4000007f
+		>;
+	};
+
 	pinctrl_i2c3: i2c3grp {
 		fsl,pins = <
 			MX7D_PAD_I2C3_SDA__I2C3_SDA		0x4000007f
-- 
2.39.1