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linux-loongson/arch/arm64/boot/dts/qcom/msm8917-xiaomi-riva.dts
Barnabás Czémán 5b74065e6c arm64: dts: qcom: msm8917-xiaomi-riva: Add display backlight 
Redmi 5A display uses pwm backlight, add support for it.

Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250213-pm8937-pwm-v2-3-49ea59801a33@mainlining.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2025-03-13 16:38:25 -05:00

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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2023, Barnabas Czeman
*/
/dts-v1/;
#include <dt-bindings/arm/qcom,ids.h>
#include <dt-bindings/gpio/gpio.h>
#include "msm8917.dtsi"
#include "pm8937.dtsi"
/delete-node/ &qseecom_mem;
/ {
model = "Xiaomi Redmi 5A (riva)";
compatible = "xiaomi,riva", "qcom,msm8917";
chassis-type = "handset";
qcom,msm-id = <QCOM_ID_MSM8917 0>;
qcom,board-id = <0x1000b 2>, <0x2000b 2>;
pwm_backlight: backlight {
compatible = "pwm-backlight";
pwms = <&pm8937_pwm 0 100000>;
brightness-levels = <0 255>;
num-interpolated-steps = <255>;
default-brightness-level = <128>;
};
battery: battery {
compatible = "simple-battery";
charge-full-design-microamp-hours = <3000000>;
energy-full-design-microwatt-hours = <11500000>;
constant-charge-current-max-microamp = <1000000>;
constant-charge-voltage-max-microvolt = <4400000>;
precharge-current-microamp = <256000>;
charge-term-current-microamp = <60000>;
voltage-min-design-microvolt = <3400000>;
};
chosen {
#address-cells = <2>;
#size-cells = <2>;
ranges;
stdout-path = "framebuffer0";
framebuffer0: framebuffer@90001000 {
compatible = "simple-framebuffer";
reg = <0x0 0x90001000 0x0 (720 * 1280 * 3)>;
width = <720>;
height = <1280>;
stride = <(720 * 3)>;
format = "r8g8b8";
clocks = <&gcc GCC_MDSS_AHB_CLK>,
<&gcc GCC_MDSS_AXI_CLK>,
<&gcc GCC_MDSS_VSYNC_CLK>,
<&gcc GCC_MDSS_MDP_CLK>,
<&gcc GCC_MDSS_BYTE0_CLK>,
<&gcc GCC_MDSS_PCLK0_CLK>,
<&gcc GCC_MDSS_ESC0_CLK>;
power-domains = <&gcc MDSS_GDSC>;
};
};
gpio-keys {
compatible = "gpio-keys";
pinctrl-0 = <&gpio_keys_default>;
pinctrl-names = "default";
key-volup {
label = "Volume Up";
linux,code = <KEY_VOLUMEUP>;
gpios = <&tlmm 91 GPIO_ACTIVE_LOW>;
debounce-interval = <15>;
};
};
vph_pwr: regulator-vph-pwr {
compatible = "regulator-fixed";
regulator-name = "vph_pwr";
regulator-min-microvolt = <3700000>;
regulator-max-microvolt = <3700000>;
regulator-always-on;
regulator-boot-on;
};
reserved-memory {
qseecom_mem: qseecom@84a00000 {
reg = <0x0 0x84a00000 0x0 0x1900000>;
no-map;
};
framebuffer_mem: memory@90001000 {
reg = <0x0 0x90001000 0x0 (720 * 1280 * 3)>;
no-map;
};
};
};
&blsp1_i2c3 {
status = "okay";
touchscreen@38 {
compatible = "edt,edt-ft5306";
reg = <0x38>;
interrupts-extended = <&tlmm 65 IRQ_TYPE_LEVEL_LOW>;
reset-gpios = <&tlmm 64 GPIO_ACTIVE_LOW>;
pinctrl-0 = <&tsp_int_rst_default>;
pinctrl-names = "default";
vcc-supply = <&pm8937_l10>;
iovcc-supply = <&pm8937_l5>;
touchscreen-size-x = <720>;
touchscreen-size-y = <1280>;
};
};
&blsp2_i2c1 {
status = "okay";
bq27426@55 {
compatible = "ti,bq27426";
reg = <0x55>;
monitored-battery = <&battery>;
};
bq25601@6b {
compatible = "ti,bq25601";
reg = <0x6b>;
interrupts-extended = <&tlmm 61 IRQ_TYPE_EDGE_FALLING>;
pinctrl-0 = <&bq25601_int_default>;
pinctrl-names = "default";
input-voltage-limit-microvolt = <4400000>;
input-current-limit-microamp = <1000000>;
monitored-battery = <&battery>;
};
};
&pm8937_gpios {
pwm_enable_default: pwm-enable-default-state {
pins = "gpio8";
function = "dtest2";
output-low;
bias-disable;
qcom,drive-strength = <2>;
};
};
&pm8937_pwm {
pinctrl-0 = <&pwm_enable_default>;
pinctrl-names = "default";
status = "okay";
};
&pm8937_resin {
linux,code = <KEY_VOLUMEDOWN>;
status = "okay";
};
&rpm_requests {
regulators-0 {
compatible = "qcom,rpm-pm8937-regulators";
vdd_s1-supply = <&vph_pwr>;
vdd_s2-supply = <&vph_pwr>;
vdd_s3-supply = <&vph_pwr>;
vdd_s4-supply = <&vph_pwr>;
vdd_l1_l19-supply = <&pm8937_s3>;
vdd_l2_l23-supply = <&pm8937_s3>;
vdd_l3-supply = <&pm8937_s3>;
vdd_l4_l5_l6_l7_l16-supply = <&pm8937_s4>;
vdd_l8_l11_l12_l17_l22-supply = <&vph_pwr>;
vdd_l9_l10_l13_l14_l15_l18-supply = <&vph_pwr>;
pm8937_s1: s1 {
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1225000>;
};
pm8937_s3: s3 {
regulator-min-microvolt = <1300000>;
regulator-max-microvolt = <1300000>;
};
pm8937_s4: s4 {
regulator-min-microvolt = <2050000>;
regulator-max-microvolt = <2050000>;
};
pm8937_l2: l2 {
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
};
pm8937_l5: l5 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
pm8937_l6: l6 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
pm8937_l7: l7 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
pm8937_l8: l8 {
regulator-min-microvolt = <2850000>;
regulator-max-microvolt = <2900000>;
};
pm8937_l9: l9 {
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3300000>;
};
pm8937_l10: l10 {
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <3000000>;
};
pm8937_l11: l11 {
regulator-min-microvolt = <2950000>;
regulator-max-microvolt = <2950000>;
regulator-allow-set-load;
regulator-system-load = <200000>;
};
pm8937_l12: l12 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <2950000>;
};
pm8937_l13: l13 {
regulator-min-microvolt = <3075000>;
regulator-max-microvolt = <3075000>;
};
pm8937_l14: l14 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
};
pm8937_l15: l15 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
};
pm8937_l16: l16 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
pm8937_l17: l17 {
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2900000>;
};
pm8937_l19: l19 {
regulator-min-microvolt = <1225000>;
regulator-max-microvolt = <1350000>;
};
pm8937_l22: l22 {
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
};
pm8937_l23: l23 {
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
};
};
};
&sdhc_1 {
vmmc-supply = <&pm8937_l8>;
vqmmc-supply = <&pm8937_l5>;
status = "okay";
};
&sdhc_2 {
cd-gpios = <&tlmm 67 GPIO_ACTIVE_LOW>;
vmmc-supply = <&pm8937_l11>;
vqmmc-supply = <&pm8937_l12>;
pinctrl-0 = <&sdc2_default &sdc2_cd_default>;
pinctrl-1 = <&sdc2_sleep &sdc2_cd_default>;
pinctrl-names = "default", "sleep";
status = "okay";
};
&sleep_clk {
clock-frequency = <32768>;
};
&tlmm {
bq25601_int_default: bq25601-int-default-state {
pins = "gpio61";
function = "gpio";
drive-strength = <2>;
bias-pull-up;
};
gpio_keys_default: gpio-keys-default-state {
pins = "gpio91";
function = "gpio";
drive-strength = <2>;
bias-pull-up;
};
sdc2_cd_default: sdc2-cd-default-state {
pins = "gpio67";
function = "gpio";
drive-strength = <2>;
bias-disable;
};
tsp_int_rst_default: tsp-int-rst-default-state {
pins = "gpio64", "gpio65";
function = "gpio";
drive-strength = <8>;
bias-pull-up;
};
};
&wcnss {
vddpx-supply = <&pm8937_l5>;
status = "okay";
};
&wcnss_iris {
compatible = "qcom,wcn3620";
vddxo-supply = <&pm8937_l7>;
vddrfa-supply = <&pm8937_l19>;
vddpa-supply = <&pm8937_l9>;
vdddig-supply = <&pm8937_l5>;
};
&wcnss_mem {
status = "okay";
};
&xo_board {
clock-frequency = <19200000>;
};
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