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arm64: dts: hisilicon: Add support for Hikey 970 PMIC

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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.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
This commit is contained in:
Mauro Carvalho Chehab
2021-09-02 13:55:23 +02:00
committed by Wei Xu
parent 6880fa6c56
commit 6219b20e1e
3 changed files with 90 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts
View File

@@ -12,6 +12,7 @@
#include "hi3670.dtsi"
#include "hikey970-pinctrl.dtsi"
#include "hikey970-pmic.dtsi"
/ {
model = "HiKey970";
@@ -39,23 +40,6 @@
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 @@
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";
};

86
arch/arm64/boot/dts/hisilicon/hikey970-pmic.dtsi Normal file
View File

@@ -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>;
};
};
};
};
};