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Message-Id: <75bd73dc3a1a7a8d08eab60d4aab34e5feb2a000.1630583382.git.mchehab+huawei@kernel.org>
Date: Thu, 2 Sep 2021 13:55:23 +0200
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: Wei Xu <xuwei5@...ilicon.com>
Cc: linuxarm@...wei.com, mauro.chehab@...wei.com,
Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] arm64: dts: hisilicon: Add support for Hikey 970 PMIC
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@...nel.org>
---
.../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@...c0000 {
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@...24000 {
+ 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>;
+ };
+ };
+ };
+ };
+};
--
2.31.1
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