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Message-Id: <20230227045023.560319-4-alistair@alistair23.me>
Date: Mon, 27 Feb 2023 14:50:23 +1000
From: Alistair Francis <alistair@...stair23.me>
To: devicetree@...r.kernel.org, s.hauer@...gutronix.de,
krzysztof.kozlowski+dt@...aro.org, shawnguo@...nel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
robh+dt@...nel.org, linux-imx@....com
Cc: linux@...linux.org.uk, arnd@...db.de, alistair23@...il.com,
kernel@...gutronix.de, festevam@...il.com,
jernej.skrabec@...il.com,
Alistair Francis <alistair@...stair23.me>,
Matti Vaittinen <mazziesaccount@...il.com>
Subject: [PATCH v4 3/3] ARM: dts: imx7d-remarkable2: Enable the rohm,bd71815
Add support for the rohm,bd71815 power controller controller for the
reMarkable 2.
Signed-off-by: Alistair Francis <alistair@...stair23.me>
Reviewed-by: Matti Vaittinen <mazziesaccount@...il.com>
---
arch/arm/boot/dts/imx7d-remarkable2.dts | 142 ++++++++++++++++++++++++
1 file changed, 142 insertions(+)
diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/imx7d-remarkable2.dts
index 288fc8611117..dc954e4f63e0 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>;
+};
+
&clks {
assigned-clocks = <&clks IMX7D_CLKO2_ROOT_SRC>,
<&clks IMX7D_CLKO2_ROOT_DIV>;
@@ -118,6 +122,131 @@ 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 = <2>;
+
+ regulators {
+ buck1: buck1 {
+ regulator-name = "buck1";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <2000000>;
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-ramp-delay = <1250>;
+ };
+
+ buck2: buck2 {
+ regulator-name = "buck2";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <2000000>;
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-ramp-delay = <1250>;
+ };
+
+ buck3: buck3 {
+ regulator-name = "buck3";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <2700000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ buck4: buck4 {
+ regulator-name = "buck4";
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1850000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ buck5: buck5 {
+ regulator-name = "buck5";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo1: ldo1 {
+ regulator-name = "ldo1";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo2: ldo2 {
+ regulator-name = "ldo2";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo3: ldo3 {
+ regulator-name = "ldo3";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo4: ldo4 {
+ regulator-name = "ldo4";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo5: ldo5 {
+ regulator-name = "ldo5";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo6: ldodvref {
+ regulator-name = "ldodvref";
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo7: ldolpsr {
+ regulator-name = "ldolpsr";
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ boost: wled {
+ regulator-name = "wled";
+ regulator-min-microamp = <10>;
+ regulator-max-microamp = <25000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ };
+ };
+};
+
&i2c3 {
clock-frequency = <100000>;
pinctrl-names = "default";
@@ -292,6 +421,12 @@ 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 +457,13 @@ 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
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