Add support for the rohm,bd71815 power controller controller for the reMarkable 2. Signed-off-by: Alistair Francis <alistair@xxxxxxxxxxxxx> --- 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