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 --- arch/arm/boot/dts/exynos4412-p4note.dtsi | 84 ++++++++++++++++++++---- 1 file changed, 71 insertions(+), 13 deletions(-)
diff --git a/arch/arm/boot/dts/exynos4412-p4note.dtsi b/arch/arm/boot/dts/exynos4412-p4note.dtsi index 97f131b1014b..1fd051b52387 100644 --- a/arch/arm/boot/dts/exynos4412-p4note.dtsi +++ b/arch/arm/boot/dts/exynos4412-p4note.dtsi @@ -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";