ARM: at91/dt: add drm support for at91sam9n12ek

Add drm support for at91sam9n12ek board.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

2 files changed, 132 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi
index 345186f91422..32bc9a189db0 100644
--- a/arch/arm/boot/dts/at91sam9n12.dtsi
+++ b/arch/arm/boot/dts/at91sam9n12.dtsi
@@ -445,6 +445,34 @@
                                 clock-names = "t0_clk", "slow_clk";
                         };
 
+                        hlcdc: hlcdc@f8038000 {
+                                compatible = "atmel,at91sam9n12-hlcdc";
+                                reg = <0xf8038000 0x2000>;
+                                interrupts = <25 IRQ_TYPE_LEVEL_HIGH 0>;
+                                clocks = <&lcdc_clk>, <&lcdck>, <&clk32k>;
+                                clock-names = "periph_clk", "sys_clk", "slow_clk";
+                                status = "disabled";
+
+                                hlcdc-display-controller {
+                                        compatible = "atmel,hlcdc-display-controller";
+                                        #address-cells = <1>;
+                                        #size-cells = <0>;
+
+                                        port@0 {
+                                                #address-cells = <1>;
+                                                #size-cells = <0>;
+                                                reg = <0>;
+                                        };
+                                };
+
+                                hlcdc_pwm: hlcdc-pwm {
+                                        compatible = "atmel,hlcdc-pwm";
+                                        pinctrl-names = "default";
+                                        pinctrl-0 = <&pinctrl_lcd_pwm>;
+                                        #pwm-cells = <3>;
+                                };
+                        };
+
                         dma: dma-controller@ffffec00 {
                                 compatible = "atmel,at91sam9g45-dma";
                                 reg = <0xffffec00 0x200>;
@@ -477,6 +505,49 @@
                                         };
                                 };
 
+                                lcd {
+                                        pinctrl_lcd_base: lcd-base-0 {
+                                                atmel,pins =
+                                                        <AT91_PIOC 27 AT91_PERIPH_A AT91_PINCTRL_NONE   /* LCDVSYNC */
+                                                         AT91_PIOC 28 AT91_PERIPH_A AT91_PINCTRL_NONE   /* LCDHSYNC */
+                                                         AT91_PIOC 24 AT91_PERIPH_A AT91_PINCTRL_NONE   /* LCDDISP */
+                                                         AT91_PIOC 29 AT91_PERIPH_A AT91_PINCTRL_NONE   /* LCDDEN */
+                                                         AT91_PIOC 30 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* LCDPCK */
+                                        };
+
+                                        pinctrl_lcd_pwm: lcd-pwm-0 {
+                                                atmel,pins = <AT91_PIOC 26 AT91_PERIPH_A AT91_PINCTRL_NONE>;    /* LCDPWM */
+                                        };
+
+                                        pinctrl_lcd_rgb888: lcd-rgb-3 {
+                                                atmel,pins =
+                                                        <AT91_PIOC 0 AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD0 pin */
+                                                         AT91_PIOC 1 AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD1 pin */
+                                                         AT91_PIOC 2 AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD2 pin */
+                                                         AT91_PIOC 3 AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD3 pin */
+                                                         AT91_PIOC 4 AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD4 pin */
+                                                         AT91_PIOC 5 AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD5 pin */
+                                                         AT91_PIOC 6 AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD6 pin */
+                                                         AT91_PIOC 7 AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD7 pin */
+                                                         AT91_PIOC 8 AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD8 pin */
+                                                         AT91_PIOC 9 AT91_PERIPH_A AT91_PINCTRL_NONE    /* LCDD9 pin */
+                                                         AT91_PIOC 10 AT91_PERIPH_A AT91_PINCTRL_NONE   /* LCDD10 pin */
+                                                         AT91_PIOC 11 AT91_PERIPH_A AT91_PINCTRL_NONE   /* LCDD11 pin */
+                                                         AT91_PIOC 12 AT91_PERIPH_A AT91_PINCTRL_NONE   /* LCDD12 pin */
+                                                         AT91_PIOC 13 AT91_PERIPH_A AT91_PINCTRL_NONE   /* LCDD13 pin */
+                                                         AT91_PIOC 14 AT91_PERIPH_A AT91_PINCTRL_NONE   /* LCDD14 pin */
+                                                         AT91_PIOC 15 AT91_PERIPH_A AT91_PINCTRL_NONE   /* LCDD15 pin */
+                                                         AT91_PIOC 16 AT91_PERIPH_A AT91_PINCTRL_NONE   /* LCDD16 pin */
+                                                         AT91_PIOC 17 AT91_PERIPH_A AT91_PINCTRL_NONE   /* LCDD17 pin */
+                                                         AT91_PIOC 18 AT91_PERIPH_A AT91_PINCTRL_NONE   /* LCDD18 pin */
+                                                         AT91_PIOC 19 AT91_PERIPH_A AT91_PINCTRL_NONE   /* LCDD19 pin */
+                                                         AT91_PIOC 20 AT91_PERIPH_A AT91_PINCTRL_NONE   /* LCDD20 pin */
+                                                         AT91_PIOC 21 AT91_PERIPH_A AT91_PINCTRL_NONE   /* LCDD21 pin */
+                                                         AT91_PIOC 22 AT91_PERIPH_A AT91_PINCTRL_NONE   /* LCDD22 pin */
+                                                         AT91_PIOC 23 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* LCDD23 pin */
+                                        };
+                                };
+
                                 usart0 {
                                         pinctrl_usart0: usart0-0 {
                                                 atmel,pins =
diff --git a/arch/arm/boot/dts/at91sam9n12ek.dts b/arch/arm/boot/dts/at91sam9n12ek.dts
index eab17fcace6d..efa75064d38a 100644
--- a/arch/arm/boot/dts/at91sam9n12ek.dts
+++ b/arch/arm/boot/dts/at91sam9n12ek.dts
@@ -128,6 +128,22 @@
                                 };
                         };
 
+                        hlcdc: hlcdc@f8038000 {
+                                status = "okay";
+
+                                hlcdc-display-controller {
+                                        pinctrl-names = "default";
+                                        pinctrl-0 = <&pinctrl_lcd_base &pinctrl_lcd_rgb888>;
+
+                                        port@0 {
+                                                hlcdc_panel_output: endpoint@0 {
+                                                        reg = <0>;
+                                                        remote-endpoint = <&panel_input>;
+                                                };
+                                        };
+                                };
+                        };
+
                         usb1: gadget@f803c000 {
                                 pinctrl-names = "default";
                                 pinctrl-0 = <&pinctrl_usb1_vbus_sense>;
@@ -161,6 +177,23 @@
                 };
         };
 
+        backlight: backlight {
+                compatible = "pwm-backlight";
+                pwms = <&hlcdc_pwm 0 50000 0>;
+                brightness-levels = <0 4 8 16 32 64 128 255>;
+                default-brightness-level = <6>;
+                power-supply = <&bl_reg>;
+                status = "okay";
+        };
+
+        bl_reg: backlight_regulator {
+                compatible = "regulator-fixed";
+                regulator-name = "backlight-power-supply";
+                regulator-min-microvolt = <5000000>;
+                regulator-max-microvolt = <5000000>;
+                status = "okay";
+        };
+
         leds {
                 compatible = "gpio-leds";
 
@@ -194,6 +227,34 @@
                 };
         };
 
+        panel: panel {
+                compatible = "qd,qd43003c0-40", "simple-panel";
+                backlight = <&backlight>;
+                power-supply = <&panel_reg>;
+                #address-cells = <1>;
+                #size-cells = <0>;
+                status = "okay";
+
+                port@0 {
+                        reg = <0>;
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+
+                        panel_input: endpoint@0 {
+                                reg = <0>;
+                                remote-endpoint = <&hlcdc_panel_output>;
+                        };
+                };
+        };
+
+        panel_reg: panel_regulator {
+                compatible = "regulator-fixed";
+                regulator-name = "panel-power-supply";
+                regulator-min-microvolt = <3300000>;
+                regulator-max-microvolt = <3300000>;
+                status = "okay";
+        };
+
         sound {
                 compatible = "atmel,asoc-wm8904";
                 pinctrl-names = "default";