Subject: Re: [PATCH 1/2] arm64: dts: hisilicon: Add support for Hikey 970 PMIC

From: Mauro Carvalho Chehab <[email-masked]>
Date: Wed, 15 Sep 2021 14:51:31 +0200

Em Thu,  2 Sep 2021 13:55:23 +0200
Mauro Carvalho Chehab <[email-masked]> escreveu:

> Add a device tree for the HiSilicon 6421v600 SPMI PMIC, used
> on HiKey970 board.
> 
> As we now have support for it, change the fixed regulators
> used by the SD I/O to use the proper LDO supplies.

Hi Wei,

Gentile ping.

Now that the drivers and the DT schema are already upstreamed, could 
you please merge those two patches?

Thank you!
Mauro

> 
> Signed-off-by: Mauro Carvalho Chehab <[email-masked]>
> ---
>  .../boot/dts/hisilicon/hi3670-hikey970.dts    | 22 +----
>  arch/arm64/boot/dts/hisilicon/hi3670.dtsi     |  2 +-
>  .../boot/dts/hisilicon/hikey970-pmic.dtsi     | 86 +++++++++++++++++++
>  3 files changed, 90 insertions(+), 20 deletions(-)
>  create mode 100644 arch/arm64/boot/dts/hisilicon/hikey970-pmic.dtsi
> 
> diff --git a/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts b/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts
> index d8abf442ee7e..7c32f5fd5cc5 100644
> --- a/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts
> +++ b/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts
> @@ -12,6 +12,7 @@
>  
>  #include "hi3670.dtsi"
>  #include "hikey970-pinctrl.dtsi"
> +#include "hikey970-pmic.dtsi"
>  
>  / {
>  	model = "HiKey970";
> @@ -39,23 +40,6 @@ memory@0 {
>  		reg = <0x0 0x0 0x0 0x0>;
>  	};
>  
> -	sd_1v8: regulator-1v8 {
> -		compatible = "regulator-fixed";
> -		regulator-name = "fixed-1.8V";
> -		regulator-min-microvolt = <1800000>;
> -		regulator-max-microvolt = <1800000>;
> -		regulator-always-on;
> -	};
> -
> -	sd_3v3: regulator-3v3 {
> -		compatible = "regulator-fixed";
> -		regulator-name = "fixed-3.3V";
> -		regulator-min-microvolt = <3300000>;
> -		regulator-max-microvolt = <3300000>;
> -		regulator-boot-on;
> -		regulator-always-on;
> -	};
> -
>  	wlan_en: wlan-en-1-8v {
>  		compatible = "regulator-fixed";
>  		regulator-name = "wlan-en-regulator";
> @@ -402,8 +386,8 @@ &dwmmc1 {
>  	pinctrl-0 = <&sd_pmx_func
>  		     &sd_clk_cfg_func
>  		     &sd_cfg_func>;  
> -	vmmc-supply = <&sd_3v3>;
> -	vqmmc-supply = <&sd_1v8>;
> +	vmmc-supply = <&ldo16>;
> +	vqmmc-supply = <&ldo9>;
>  	status = "okay";
>  };
>  
> diff --git a/arch/arm64/boot/dts/hisilicon/hi3670.dtsi b/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
> index 20698cfd0637..636c8817df7e 100644
> --- a/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
> +++ b/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
> @@ -669,7 +669,7 @@ ufs: ufs@ff3c0000 {
>  			interrupt-parent = <&gic>;
>  			interrupts = <GIC_SPI 278 IRQ_TYPE_LEVEL_HIGH>;
>  			clocks = <&crg_ctrl HI3670_CLK_GATE_UFSIO_REF>,
> -				<&crg_ctrl HI3670_CLK_GATE_UFS_SUBSYS>;
> +				 <&crg_ctrl HI3670_CLK_GATE_UFS_SUBSYS>;
>  			clock-names = "ref_clk", "phy_clk";
>  			freq-table-hz = <0 0
>  					 0 0>;
> diff --git a/arch/arm64/boot/dts/hisilicon/hikey970-pmic.dtsi b/arch/arm64/boot/dts/hisilicon/hikey970-pmic.dtsi
> new file mode 100644
> index 000000000000..970047f2dabd
> --- /dev/null
> +++ b/arch/arm64/boot/dts/hisilicon/hikey970-pmic.dtsi
> @@ -0,0 +1,86 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * dts file for Hi6421v600 SPMI PMIC used at the HiKey970 Development Board
> + *
> + * Copyright (C) 2020, Huawei Tech. Co., Ltd.
> + */
> +
> +#include <dt-bindings/spmi/spmi.h>
> +
> +/ {
> +	spmi: spmi@fff24000 {
> +		compatible = "hisilicon,kirin970-spmi-controller";
> +		#address-cells = <2>;
> +		#size-cells = <0>;
> +		status = "okay";
> +		reg = <0x0 0xfff24000 0x0 0x1000>;
> +		hisilicon,spmi-channel = <2>;
> +
> +		pmic: pmic@0 {
> +			compatible = "hisilicon,hi6421-spmi";
> +			reg = <0 SPMI_USID>;
> +
> +			#interrupt-cells = <2>;
> +			interrupt-controller;
> +			gpios = <&gpio28 0 0>;
> +
> +			regulators {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				ldo3: ldo3 { /* HDMI */
> +					regulator-name = "ldo3";
> +					regulator-min-microvolt = <1500000>;
> +					regulator-max-microvolt = <2000000>;
> +					regulator-boot-on;
> +				};
> +
> +				ldo4: ldo4 { /* 40 PIN */
> +					regulator-name = "ldo4";
> +					regulator-min-microvolt = <1725000>;
> +					regulator-max-microvolt = <1900000>;
> +					regulator-boot-on;
> +				};
> +
> +				ldo9: ldo9 { /* SDCARD I/O */
> +					regulator-name = "ldo9";
> +					regulator-min-microvolt = <1750000>;
> +					regulator-max-microvolt = <3300000>;
> +					regulator-boot-on;
> +				};
> +
> +				ldo15: ldo15 { /* UFS */
> +					regulator-name = "ldo15";
> +					regulator-min-microvolt = <1800000>;
> +					regulator-max-microvolt = <3000000>;
> +					regulator-always-on;
> +				};
> +
> +				ldo16: ldo16 { /* SD */
> +					regulator-name = "ldo16";
> +					regulator-min-microvolt = <1800000>;
> +					regulator-max-microvolt = <3000000>;
> +					regulator-boot-on;
> +				};
> +
> +				ldo17: ldo17 { /* USB HUB */
> +					regulator-name = "ldo17";
> +					regulator-min-microvolt = <2500000>;
> +					regulator-max-microvolt = <3300000>;
> +				};
> +
> +				ldo33: ldo33 { /* PEX8606 */
> +					regulator-name = "ldo33";
> +					regulator-min-microvolt = <2500000>;
> +					regulator-max-microvolt = <3300000>;
> +				};
> +
> +				ldo34: ldo34 { /* GPS AUX IN VDD */
> +					regulator-name = "ldo34";
> +					regulator-min-microvolt = <2600000>;
> +					regulator-max-microvolt = <3300000>;
> +				};
> +			};
> +		};
> +	};
> +};

Thanks,
Mauro

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