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ARM: dts: exynos: add panel and backlight to p4note

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Add configuration for the LTL101AL01 panel and a pwm backlight to drive
the display in the p4note devices.

Signed-off-by: Martin Jücker <martin.juecker@gmail.com>
Link: https://lore.kernel.org/r/20220516193709.10037-3-martin.juecker@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
This commit is contained in:
Martin Jücker
2022-05-16 21:37:09 +02:00
committed by Krzysztof Kozlowski
parent f2906aa863
commit 6c52573bf4
1 changed files with 71 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

84
arch/arm/boot/dts/exynos4412-p4note.dtsi
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@@ -106,6 +106,16 @@ voltage-regulator-3 {
regulator-always-on;
};
panel_vdd: voltage-regulator-4 {
compatible = "regulator-fixed";
regulator-name = "LCD_ENABLE";
pinctrl-names = "default";
pinctrl-0 = <&lcd_enable>;
gpios = <&gpc0 1 GPIO_ACTIVE_HIGH>;
enable-active-high;
regulator-boot-on;
};
wlan_pwrseq: sdhci3-pwrseq {
compatible = "mmc-pwrseq-simple";
reset-gpios = <&gpm3 5 GPIO_ACTIVE_LOW>;
@@ -216,6 +226,32 @@ power_supply: charger@6 {
monitored-battery = <&battery_cell>;
};
};
panel {
compatible = "samsung,ltl101al01";
pinctrl-0 = <&lvds_nshdn>;
pinctrl-names = "default";
power-supply = <&panel_vdd>;
enable-gpios = <&gpm0 5 GPIO_ACTIVE_HIGH>;
backlight = <&backlight>;
port {
lcd_ep: endpoint {
remote-endpoint = <&fimd_ep>;
};
};
};
backlight: backlight {
compatible = "pwm-backlight";
pinctrl-0 = <&led_bl_reset>;
pinctrl-names = "default";
enable-gpios = <&gpm0 1 GPIO_ACTIVE_HIGH>;
pwms = <&pwm 1 78770 0>;
brightness-levels = <0 48 128 255>;
num-interpolated-steps = <8>;
default-brightness-level = <12>;
};
};
&adc {
@@ -295,22 +331,19 @@ &exynos_usbphy {
};
&fimd {
pinctrl-0 = <&lcd_clk &lcd_data24 &pwm1_out>;
pinctrl-0 = <&lcd_clk &lcd_data24>;
pinctrl-names = "default";
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
display-timings {
timing0 {
clock-frequency = <66666666>;
hactive = <1280>;
vactive = <800>;
hfront-porch = <18>;
hback-porch = <36>;
hsync-len = <16>;
vback-porch = <16>;
vfront-porch = <4>;
vsync-len = <3>;
hsync-active = <1>;
samsung,invert-vclk;
port@3 {
reg = <3>;
fimd_ep: endpoint {
remote-endpoint = <&lcd_ep>;
};
};
};
@@ -687,6 +720,12 @@ tsp_reg_gpio_3: tsp-reg-gpio-3-pins {
samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
};
lcd_enable: lcd-enable-pins {
samsung,pins = "gpc0-1";
samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
};
sleep0: sleep-state {
PIN_SLP(gpa0-0, INPUT, NONE);
PIN_SLP(gpa0-1, OUT0, NONE);
@@ -809,12 +848,24 @@ uart_sel: uart-sel-pins {
/* 0 = CP, 1 = AP (serial output) */
};
led_bl_reset: led-bl-reset-pins {
samsung,pins = "gpm0-1";
samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
};
tsp_rst: tsp-rst-pins {
samsung,pins = "gpm0-4";
samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
};
lvds_nshdn: lvds-nshdn-pins {
samsung,pins = "gpm0-5";
samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
};
tsp_irq: tsp-irq-pins {
samsung,pins = "gpm2-3";
samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
@@ -1100,6 +1151,13 @@ &pmu_system_controller {
assigned-clock-parents = <&clock CLK_XUSBXTI>;
};
&pwm {
pinctrl-0 = <&pwm1_out>;
pinctrl-names = "default";
samsung,pwm-outputs = <1>;
status = "okay";
};
&rtc {
clocks = <&clock CLK_RTC>, <&max77686 MAX77686_CLK_AP>;
clock-names = "rtc", "rtc_src";