OpenWrt – Rev 1
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From 78e92290c8c9511d0d540dfd0450e64169f08c20 Mon Sep 17 00:00:00 2001
From: Sean Wang <sean.wang@mediatek.com>
Date: Mon, 5 Feb 2018 22:44:44 +0800
Subject: [PATCH 213/224] arm64: dts: mt7622: add PMIC MT6380 related nodes
Enable pwrap and MT6380 on mt7622-rfb1 board. Also add all mt6380
regulator nodes in an alone file to allow similar boards using MT6380
able to resue the configuration.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Philippe Ombredanne <pombredanne@nexb.com>
Acked-by: Philippe Ombredanne <pombredanne@nexb.com>
---
arch/arm64/boot/dts/mediatek/mt6380.dtsi | 86 ++++++++++++++++++++++++++++
arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts | 8 +++
arch/arm64/boot/dts/mediatek/mt7622.dtsi | 12 ++++
3 files changed, 106 insertions(+)
create mode 100644 arch/arm64/boot/dts/mediatek/mt6380.dtsi
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt6380.dtsi
@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * dts file for MediaTek MT6380 regulator
+ *
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: Chenglin Xu <chenglin.xu@mediatek.com>
+ * Sean Wang <sean.wang@mediatek.com>
+ */
+
+&pwrap {
+ regulators {
+ compatible = "mediatek,mt6380-regulator";
+
+ mt6380_vcpu_reg: buck-vcore1 {
+ regulator-name = "vcore1";
+ regulator-min-microvolt = < 600000>;
+ regulator-max-microvolt = <1393750>;
+ regulator-ramp-delay = <6250>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ mt6380_vcore_reg: buck-vcore {
+ regulator-name = "vcore";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <1393750>;
+ regulator-ramp-delay = <6250>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ mt6380_vrf_reg: buck-vrf {
+ regulator-name = "vrf";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1575000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ mt6380_vm_reg: ldo-vm {
+ regulator-name = "vm";
+ regulator-min-microvolt = <1050000>;
+ regulator-max-microvolt = <1400000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ mt6380_va_reg: ldo-va {
+ regulator-name = "va";
+ regulator-min-microvolt = <2200000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ mt6380_vphy_reg: ldo-vphy {
+ regulator-name = "vphy";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ mt6380_vddr_reg: ldo-vddr {
+ regulator-name = "vddr";
+ regulator-min-microvolt = <1240000>;
+ regulator-max-microvolt = <1840000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ mt6380_vt_reg: ldo-vt {
+ regulator-name = "vt";
+ regulator-min-microvolt = <2200000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+ };
+};
--- a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
@@ -10,6 +10,7 @@
#include <dt-bindings/input/input.h>
#include "mt7622.dtsi"
+#include "mt6380.dtsi"
/ {
model = "MediaTek MT7622 RFB1 board";
@@ -222,6 +223,13 @@
};
};
+&pwrap {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pmic_bus_pins>;
+
+ status = "okay";
+};
+
&uart0 {
status = "okay";
};
--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
@@ -102,6 +102,18 @@
#reset-cells = <1>;
};
+ pwrap: pwrap@10001000 {
+ compatible = "mediatek,mt7622-pwrap";
+ reg = <0 0x10001000 0 0x250>;
+ reg-names = "pwrap";
+ clocks = <&infracfg CLK_INFRA_PMIC_PD>,<&pwrap_clk>;
+ clock-names = "spi","wrap";
+ resets = <&infracfg MT7622_INFRA_PMIC_WRAP_RST>;
+ reset-names = "pwrap";
+ interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>;
+ status = "disabled";
+ };
+
pericfg: pericfg@10002000 {
compatible = "mediatek,mt7622-pericfg",
"syscon";