MT6331 is the primary PMIC for the MediaTek Helio X10 MT6795 smartphone
platforms: add a devicetree describing its regulators, Real Time Clock
and PMIC-keys.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
---
arch/arm64/boot/dts/mediatek/mt6331.dtsi | 284 +++++++++++++++++++++++
1 file changed, 289 insertions(+)
create mode 100644 arch/arm64/boot/dts/mediatek/mt6331.dtsi
diff --git a/arch/arm64/boot/dts/mediatek/mt6331.dtsi b/arch/arm64/boot/dts/mediatek/mt6331.dtsi
new file mode 100644
index 000000000000..fcec8c07fe39
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt6331.dtsi
@@ -0,0 +1,284 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (c) 2023 Collabora Ltd.
+ * Author: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
+ */
+#include <dt-bindings/input/input.h>
+
+&pwrap {
+ pmic: mt6331 {
+ compatible = "mediatek,mt6331";
+ interrupt-controller;
+ #interrupt-cells = <2>;
+
+ mt6331regulator: mt6331regulator {
+ compatible = "mediatek,mt6331-regulator";
+
+ mt6331_vdvfs11_reg: buck-vdvfs11 {
+ regulator-name = "vdvfs11";
+ regulator-min-microvolt = <700000>;
+ regulator-max-microvolt = <1493750>;
+ regulator-ramp-delay = <12500>;
+ regulator-enable-ramp-delay = <0>;
+ regulator-allowed-modes = <0 1>;
+ regulator-always-on;
+ };
+
+ mt6331_vdvfs12_reg: buck-vdvfs12 {
+ regulator-name = "vdvfs12";
+ regulator-min-microvolt = <700000>;
+ regulator-max-microvolt = <1493750>;
+ regulator-ramp-delay = <12500>;
+ regulator-enable-ramp-delay = <0>;
+ regulator-allowed-modes = <0 1>;
+ regulator-always-on;
+ };
+
+ mt6331_vdvfs13_reg: buck-vdvfs13 {
+ regulator-name = "vdvfs13";
+ regulator-min-microvolt = <700000>;
+ regulator-max-microvolt = <1493750>;
+ regulator-ramp-delay = <12500>;
+ regulator-enable-ramp-delay = <0>;
+ regulator-allowed-modes = <0 1>;
+ regulator-always-on;
+ };
+
+ mt6331_vdvfs14_reg: buck-vdvfs14 {
+ regulator-name = "vdvfs14";
+ regulator-min-microvolt = <700000>;
+ regulator-max-microvolt = <1493750>;
+ regulator-ramp-delay = <12500>;
+ regulator-enable-ramp-delay = <0>;
+ regulator-allowed-modes = <0 1>;
+ regulator-always-on;
+ };
+
+ mt6331_vcore2_reg: buck-vcore2 {
+ regulator-name = "vcore2";
+ regulator-min-microvolt = <700000>;
+ regulator-max-microvolt = <1493750>;
+ regulator-ramp-delay = <12500>;
+ regulator-enable-ramp-delay = <0>;
+ regulator-allowed-modes = <0 1>;
+ regulator-always-on;
+ };
+
+ mt6331_vio18_reg: buck-vio18 {
+ regulator-name = "vio18";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-ramp-delay = <12500>;
+ regulator-enable-ramp-delay = <0>;
+ regulator-allowed-modes = <0 1>;
+ regulator-always-on;
+ };
+
+ mt6331_vtcxo1_reg: ldo-vtcxo1 {
+ regulator-name = "vtcxo1";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ mt6331_vtcxo2_reg: ldo-vtcxo2 {
+ regulator-name = "vtcxo2";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ mt6331_avdd32_aud_reg: ldo-avdd32aud {
+ regulator-name = "avdd32_aud";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <3200000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ mt6331_vauxa32_reg: ldo-vauxa32 {
+ regulator-name = "vauxa32";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <3200000>;
+ regulator-ramp-delay = <0>;
+ };
+
+ mt6331_vcama_reg: ldo-vcama {
+ regulator-name = "vcama";
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <2800000>;
+ regulator-ramp-delay = <0>;
+ };
+
+ mt6331_vio28_reg: ldo-vio28 {
+ regulator-name = "vio28";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ mt6331_vcamaf_reg: ldo-vcamaf {
+ regulator-name = "vcam_af";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-ramp-delay = <0>;
+ };
+
+ mt6331_vmc_reg: ldo-vmc {
+ regulator-name = "vmc";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-ramp-delay = <0>;
+ };
+
+ mt6331_vmch_reg: ldo-vmch {
+ regulator-name = "vmch";
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-ramp-delay = <0>;
+ };
+
+ mt6331_vemc33_reg: ldo-vemc33 {
+ regulator-name = "vemc33";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ };
+
+ mt6331_vgp1_reg: ldo-vgp1 {
+ regulator-name = "vgp1";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ };
+
+ mt6331_vsim1_reg: ldo-vsim1 {
+ regulator-name = "vsim1";
+ regulator-min-microvolt = <1700000>;
+ regulator-max-microvolt = <3100000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ };
+
+ mt6331_vsim2_reg: ldo-vsim2 {
+ regulator-name = "vsim2";
+ regulator-min-microvolt = <1700000>;
+ regulator-max-microvolt = <3100000>;
+ regulator-ramp-delay = <0>;
+ };
+
+ mt6331_vmipi_reg: ldo-vmipi {
+ regulator-name = "vmipi";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ };
+
+ mt6331_vibr_reg: ldo-vibr {
+ regulator-name = "vibr";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-ramp-delay = <0>;
+ };
+
+ mt6331_vgp4_reg: ldo-vgp4 {
+ regulator-name = "vgp4";
+ regulator-min-microvolt = <1600000>;
+ regulator-max-microvolt = <2200000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ };
+
+ mt6331_vcamd_reg: ldo-vcamd {
+ regulator-name = "vcamd";
+ regulator-min-microvolt = <900000>;
+ regulator-max-microvolt = <1500000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ };
+
+ mt6331_vusb10_reg: ldo-vusb10 {
+ regulator-name = "vusb";
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1300000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ mt6331_vcamio_reg: ldo-vcamio {
+ regulator-name = "vcam_io";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-ramp-delay = <0>;
+ };
+
+ mt6331_vsram_reg: ldo-vsram {
+ regulator-name = "vsram";
+ regulator-min-microvolt = <1012500>;
+ regulator-max-microvolt = <1012500>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ mt6331_vgp2_reg: ldo-vgp2 {
+ regulator-name = "vgp2";
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1500000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ mt6331_vgp3_reg: ldo-vgp3 {
+ regulator-name = "vgp3";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ };
+
+ mt6331_vrtc_reg: ldo-vrtc {
+ regulator-name = "vrtc";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ };
+
+ mt6331_vdig18_reg: ldo-vdig18 {
+ regulator-name = "dvdd18_dig";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ };
+ };
+
+ mt6331rtc: mt6331rtc {
+ compatible = "mediatek,mt6331-rtc";
+ };
+
+ mt6331keys: mt6331keys {
+ compatible = "mediatek,mt6331-keys";
+ power {
+ linux,keycodes = <KEY_POWER>;
+ wakeup-source;
+ };
+ home {
+ linux,keycodes = <KEY_HOME>;
+ };
+ };
+ };
+};
--
2.40.0
