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Date:   Wed,  6 Oct 2021 00:39:54 +0200
From:   David Heidelberg <david@...t.cz>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Ivan Belokobylskiy <belokobylskij@...il.com>,
        David Heidelberg <david@...t.cz>
Subject: [PATCH] [RFC] ARM: dts: nexus4: initial dts

From: Ivan Belokobylskiy <belokobylskij@...il.com>

Add initial support for LGE Nexus 4 (mako).

Features currently working: regulators, eMMC, WiFi, LCD backlight and volume keys.

Signed-off-by: Ivan Belokobylskiy <belokobylskij@...il.com>
Signed-off-by: David Heidelberg <david@...t.cz>
---
 arch/arm/boot/dts/Makefile                    |   1 +
 .../boot/dts/qcom-apq8064-lge-nexus4-mako.dts | 387 ++++++++++++++++++
 2 files changed, 388 insertions(+)
 create mode 100644 arch/arm/boot/dts/qcom-apq8064-lge-nexus4-mako.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 5ffab0486665..2da2235d4370 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -948,6 +948,7 @@ dtb-$(CONFIG_ARCH_QCOM) += \
 	qcom-apq8064-ifc6410.dtb \
 	qcom-apq8064-sony-xperia-yuga.dtb \
 	qcom-apq8064-asus-nexus7-flo.dtb \
+	qcom-apq8064-lge-nexus4-mako.dtb \
 	qcom-apq8074-dragonboard.dtb \
 	qcom-apq8084-ifc6540.dtb \
 	qcom-apq8084-mtp.dtb \
diff --git a/arch/arm/boot/dts/qcom-apq8064-lge-nexus4-mako.dts b/arch/arm/boot/dts/qcom-apq8064-lge-nexus4-mako.dts
new file mode 100644
index 000000000000..a76688b1bc1d
--- /dev/null
+++ b/arch/arm/boot/dts/qcom-apq8064-lge-nexus4-mako.dts
@@ -0,0 +1,387 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include "qcom-apq8064-v2.0.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/mfd/qcom-rpm.h>
+#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
+/ {
+	model = "LGE Nexus 4 (mako)";
+	compatible = "lge,nexus4-mako", "qcom,apq8064";
+
+	aliases {
+		serial0 = &gsbi7_serial;
+		serial1 = &gsbi6_serial;
+		serial2 = &gsbi4_serial;
+	};
+
+	chosen {
+		stdout-path = "serial2:115200n8";
+	};
+
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		ramoops@...00000{
+			compatible = "ramoops";
+			reg = <0x88d00000 0x100000>;
+			record-size	 = <0x00020000>;
+			console-size	= <0x00020000>;
+			ftrace-size	 = <0x00020000>;
+		};
+	};
+
+	battery_cell: battery-cell {
+		compatible = "simple-battery";
+		constant-charge-current-max-microamp = <900000>;
+		operating-range-celsius = <0 45>;
+	};
+
+	soc {
+		pinctrl@...000 {
+			gsbi4_uart_pin_a: gsbi4-uart-pin-active {
+				rx {
+					pins = "gpio11";
+					function = "gsbi4";
+					drive-strength = <2>;
+					bias-disable;
+				};
+
+				tx {
+					pins = "gpio10";
+					function = "gsbi4";
+					drive-strength = <4>;
+					bias-disable;
+				};
+			};
+		};
+
+		rpm@...000 {
+			regulators {
+				vdd_l1_l2_l12_l18-supply = <&pm8921_s4>;
+				vin_lvs1_3_6-supply = <&pm8921_s4>;
+				vin_lvs4_5_7-supply = <&pm8921_s4>;
+
+				vdd_l24-supply = <&pm8921_s1>;
+				vdd_l25-supply = <&pm8921_s1>;
+				vin_lvs2-supply = <&pm8921_s1>;
+
+				vdd_l26-supply = <&pm8921_s7>;
+				vdd_l27-supply = <&pm8921_s7>;
+				vdd_l28-supply = <&pm8921_s7>;
+
+				/* Buck SMPS */
+				s1 {
+					regulator-always-on;
+					regulator-min-microvolt = <1225000>;
+					regulator-max-microvolt = <1225000>;
+					qcom,switch-mode-frequency = <3200000>;
+					bias-pull-down;
+				};
+				s2 {
+					regulator-min-microvolt = <1300000>;
+					regulator-max-microvolt = <1300000>;
+					qcom,switch-mode-frequency = <1600000>;
+					bias-pull-down;
+				};
+
+				/* msm otg HSUSB_VDDCX */
+				s3 {
+					regulator-min-microvolt = <500000>;
+					regulator-max-microvolt = <1150000>;
+					qcom,switch-mode-frequency = <4800000>;
+					bias-pull-down;
+				};
+
+				/*
+				 * msm_sdcc.1-sdc-vdd_io
+				 * tabla2x-slim-CDC_VDDA_RX
+				 * tabla2x-slim-CDC_VDDA_TX
+				 * tabla2x-slim-CDC_VDD_CP
+				 * tabla2x-slim-VDDIO_CDC
+				 */
+				s4 {
+					regulator-always-on;
+					regulator-min-microvolt	= <1800000>;
+					regulator-max-microvolt	= <1800000>;
+					qcom,switch-mode-frequency = <1600000>;
+					bias-pull-down;
+					qcom,force-mode = <QCOM_RPM_FORCE_MODE_AUTO>;
+				};
+
+				/*
+				 * supply vdd_l26, vdd_l27, vdd_l28
+				 */
+				s7 {
+					regulator-min-microvolt = <1300000>;
+					regulator-max-microvolt = <1300000>;
+					qcom,switch-mode-frequency = <3200000>;
+				};
+
+				s8 {
+					regulator-min-microvolt = <2200000>;
+					regulator-max-microvolt = <2200000>;
+					qcom,switch-mode-frequency = <1600000>;
+				};
+
+				l1 {
+					regulator-min-microvolt = <1100000>;
+					regulator-max-microvolt = <1100000>;
+					regulator-always-on;
+					bias-pull-down;
+				};
+
+				/* mipi_dsi.1-dsi1_pll_vdda */
+				l2 {
+					regulator-min-microvolt = <1200000>;
+					regulator-max-microvolt = <1200000>;
+					bias-pull-down;
+				};
+
+				/* msm_otg-HSUSB_3p3 */
+				l3 {
+					regulator-min-microvolt = <3075000>;
+					regulator-max-microvolt = <3500000>;
+					bias-pull-down;
+				};
+
+				/* msm_otg-HSUSB_1p8 */
+				l4 {
+					regulator-always-on;
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+				};
+
+				/* msm_sdcc.1-sdc_vdd */
+				l5 {
+					regulator-min-microvolt = <2950000>;
+					regulator-max-microvolt = <2950000>;
+					bias-pull-down;
+				};
+
+				/* earjack_debug */
+				l6 {
+					regulator-min-microvolt = <3000000>;
+					regulator-max-microvolt = <3000000>;
+					bias-pull-down;
+				};
+
+				/* mipi_dsi.1-dsi_vci */
+				l8 {
+					regulator-min-microvolt = <2800000>;
+					regulator-max-microvolt = <3000000>;
+					bias-pull-down;
+				};
+
+				/* wcnss_wlan.0-iris_vddpa */
+				l10 {
+					regulator-min-microvolt = <2900000>;
+					regulator-max-microvolt = <2900000>;
+					bias-pull-down;
+				};
+
+				/* mipi_dsi.1-dsi1_avdd */
+				l11 {
+					regulator-min-microvolt = <2850000>;
+					regulator-max-microvolt = <2850000>;
+					bias-pull-down;
+				};
+
+				/* touch_vdd */
+				l15 {
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <2950000>;
+					bias-pull-down;
+				};
+
+				/* slimport_dvdd */
+				l18 {
+					regulator-min-microvolt = <1100000>;
+					regulator-max-microvolt = <1100000>;
+					bias-pull-down;
+				};
+
+				/* touch_io */
+				l22 {
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+					bias-pull-down;
+				};
+
+				/*
+				 * mipi_dsi.1-dsi_vddio
+				 * pil_qdsp6v4.1-pll_vdd
+				 * pil_qdsp6v4.2-pll_vdd
+				 * msm_ehci_host.0-HSUSB_1p8
+				 * msm_ehci_host.1-HSUSB_1p8
+				 */
+				l23 {
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+					bias-pull-down;
+				};
+
+				/*
+				 * tabla2x-slim-CDC_VDDA_A_1P2V
+				 * tabla2x-slim-VDDD_CDC_D
+				 */
+				l24 {
+					regulator-min-microvolt = <750000>;
+					regulator-max-microvolt = <1150000>;
+					bias-pull-down;
+				};
+
+				l25 {
+					regulator-min-microvolt = <1250000>;
+					regulator-max-microvolt = <1250000>;
+					regulator-always-on;
+					bias-pull-down;
+				};
+
+				l26 {
+					regulator-min-microvolt = <375000>;
+					regulator-max-microvolt = <1050000>;
+					regulator-always-on;
+					bias-pull-down;
+				};
+
+				l27 {
+					regulator-min-microvolt = <1100000>;
+					regulator-max-microvolt = <1100000>;
+				};
+
+				l28 {
+					regulator-min-microvolt = <1050000>;
+					regulator-max-microvolt = <1050000>;
+					bias-pull-down;
+				};
+
+				/* wcnss_wlan.0-iris_vddio */
+				lvs1 {
+					bias-pull-down;
+				};
+
+				/* wcnss_wlan.0-iris_vdddig */
+				lvs2 {
+					bias-pull-down;
+				};
+
+				lvs3 {
+					bias-pull-down;
+				};
+
+				lvs4 {
+					bias-pull-down;
+				};
+
+				lvs5 {
+					bias-pull-down;
+				};
+
+				/* mipi_dsi.1-dsi_iovcc */
+				lvs6 {
+					bias-pull-down;
+				};
+
+				/*
+				 * pil_riva-pll_vdd
+				 * lvds.0-lvds_vdda
+				 * mipi_dsi.1-dsi1_vddio
+				 * hdmi_msm.0-hdmi_vdda
+				 */
+				lvs7 {
+					bias-pull-down;
+				};
+
+				ncp {
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+					qcom,switch-mode-frequency = <1600000>;
+				};
+			};
+		};
+
+		qcom,ssbi@...000 {
+			pmic@0 {
+				keypad@148 {
+					compatible = "qcom,pm8921-keypad";
+					reg = <0x148>;
+					interrupt-parent = <&pmicintc>;
+					interrupts = <74 1>, <75 1>;
+					linux,keymap = <
+						MATRIX_KEY(0, 0, KEY_VOLUMEDOWN)
+						MATRIX_KEY(0, 1, KEY_VOLUMEUP)
+					>;
+
+					keypad,num-rows = <1>;
+					keypad,num-columns = <5>;
+					debounce = <15>;
+					scan-delay = <32>;
+					row-hold = <91500>;
+				};
+			};
+		};
+
+		gsbi@...40000 {
+			status = "okay";
+			qcom,mode = <GSBI_PROT_I2C>;
+
+			gsbi1_i2c: i2c@...60000 {
+				status = "okay";
+				clock-frequency = <200000>;
+				pinctrl-0 = <&i2c1_pins>;
+				pinctrl-names = "default";
+
+				backlight: lm3530@38 {
+					compatible = "backlight,lm3530";
+					status = "okay";
+					reg = <0x38>;
+					lm3530,en_gpio = <&pm8921_gpio 24 GPIO_ACTIVE_HIGH>;
+					lm3530,max_current = /bits/ 8 <0x17>;
+					lm3530,default_brt = /bits/ 8 <0x10>;
+					lm3530,max_brt = /bits/ 8 <0x72>;
+					lm3530,mode = /bits/ 8 <0>; /* Manual Mode */
+					lm3530,linear_map = /bits/ 8 <1>; /* Linear map */
+					lm3530,brt_ramp_fall = /bits/ 8 <0>;
+					lm3530,brt_ramp_rise = /bits/ 8 <0>;
+					lm3530,no_regulator;
+				};
+			};
+		};
+
+		gsbi@...00000 {
+			status = "okay";
+			qcom,mode = <GSBI_PROT_I2C_UART>;
+
+			gsbi4_serial: serial@...40000 {
+				compatible = "qcom,msm-uartdm-v1.3", "qcom,msm-uartdm";
+				reg = <0x16340000 0x1000>,
+				  <0x16300000 0x1000>;
+				interrupts = <GIC_SPI 152 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&gcc GSBI4_UART_CLK>, <&gcc GSBI4_H_CLK>;
+				clock-names = "core", "iface";
+				status = "okay";
+
+				pinctrl-names = "default";
+				pinctrl-0 = <&gsbi4_uart_pin_a>;
+			};
+		};
+
+		amba {
+			/* eMMC */
+			sdcc@...00000 {
+				status = "okay";
+				vmmc-supply = <&pm8921_l5>;
+				vqmmc-supply = <&pm8921_s4>;
+			};
+		};
+
+		riva-pil@...4000 {
+			status = "okay";
+			pinctrl-names = "default";
+			pinctrl-0 = <&riva_wlan_pin_a>;
+		};
+	};
+};
+
-- 
2.33.0

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