Add LCDC device node in DT for am33xx
Add LCDC and Panel info in DT for am335x-evm
Changes in v2:
- remove redundant/unnecessary SoC specific setting in the board dts
Signed-off-by: Benoit Parrot <bpar...@ti.com>
---
arch/arm/boot/dts/am335x-evm.dts | 72 ++++++++++++++++++++++++++++++++++++++
arch/arm/boot/dts/am33xx.dtsi | 9 +++++
2 files changed, 81 insertions(+)
diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts
index 0423298..e0ee76e 100644
--- a/arch/arm/boot/dts/am335x-evm.dts
+++ b/arch/arm/boot/dts/am335x-evm.dts
@@ -44,6 +44,40 @@
0x154 0x27 /* spi0_d0.gpio0_3, INPUT |
MODE7 */
>;
};
+
+ lcd_pins_s0: lcd_pins_s0 {
+ pinctrl-single,pins = <
+ 0x20 0x01 /* gpmc_ad8.lcd_data16, OUTPUT
| MODE1 */
+ 0x24 0x01 /* gpmc_ad9.lcd_data17, OUTPUT
| MODE1 */
+ 0x28 0x01 /* gpmc_ad10.lcd_data18, OUTPUT
| MODE1 */
+ 0x2c 0x01 /* gpmc_ad11.lcd_data19, OUTPUT
| MODE1 */
+ 0x30 0x01 /* gpmc_ad12.lcd_data20, OUTPUT
| MODE1 */
+ 0x34 0x01 /* gpmc_ad13.lcd_data21, OUTPUT
| MODE1 */
+ 0x38 0x01 /* gpmc_ad14.lcd_data22, OUTPUT
| MODE1 */
+ 0x3c 0x01 /* gpmc_ad15.lcd_data23, OUTPUT
| MODE1 */
+ 0xa0 0x00 /* lcd_data0.lcd_data0, OUTPUT
| MODE0 */
+ 0xa4 0x00 /* lcd_data1.lcd_data1, OUTPUT
| MODE0 */
+ 0xa8 0x00 /* lcd_data2.lcd_data2, OUTPUT
| MODE0 */
+ 0xac 0x00 /* lcd_data3.lcd_data3, OUTPUT
| MODE0 */
+ 0xb0 0x00 /* lcd_data4.lcd_data4, OUTPUT
| MODE0 */
+ 0xb4 0x00 /* lcd_data5.lcd_data5, OUTPUT
| MODE0 */
+ 0xb8 0x00 /* lcd_data6.lcd_data6, OUTPUT
| MODE0 */
+ 0xbc 0x00 /* lcd_data7.lcd_data7, OUTPUT
| MODE0 */
+ 0xc0 0x00 /* lcd_data8.lcd_data8, OUTPUT
| MODE0 */
+ 0xc4 0x00 /* lcd_data9.lcd_data9, OUTPUT
| MODE0 */
+ 0xc8 0x00 /* lcd_data10.lcd_data10,
OUTPUT | MODE0 */
+ 0xcc 0x00 /* lcd_data11.lcd_data11,
OUTPUT | MODE0 */
+ 0xd0 0x00 /* lcd_data12.lcd_data12,
OUTPUT | MODE0 */
+ 0xd4 0x00 /* lcd_data13.lcd_data13,
OUTPUT | MODE0 */
+ 0xd8 0x00 /* lcd_data14.lcd_data14,
OUTPUT | MODE0 */
+ 0xdc 0x00 /* lcd_data15.lcd_data15,
OUTPUT | MODE0 */
+ 0xe0 0x00 /* lcd_vsync.lcd_vsync, OUTPUT
| MODE0 */
+ 0xe4 0x00 /* lcd_hsync.lcd_hsync, OUTPUT
| MODE0 */
+ 0xe8 0x00 /* lcd_pclk.lcd_pclk, OUTPUT |
MODE0 */
+ 0xec 0x00 /*
lcd_ac_bias_en.lcd_ac_bias_en, OUTPUT | MODE0 */
+ >;
+ };
+
};
ocp {
@@ -102,6 +136,10 @@
reg = <0x48>;
};
};
+
+ lcdc: lcdc@4830e000 {
+ status = "okay";
+ };
};
vbat: fixedregulator@0 {
@@ -158,6 +196,40 @@
gpio-key,wakeup;
};
};
+
+ panel {
+ compatible = "ti,tilcdc,panel";
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&lcd_pins_s0>;
+ panel-info {
+ ac-bias = <255>;
+ ac-bias-intrpt = <0>;
+ dma-burst-sz = <16>;
+ bpp = <32>;
+ fdd = <0x80>;
+ sync-edge = <0>;
+ sync-ctrl = <1>;
+ raster-order = <0>;
+ fifo-th = <0>;
+ };
+
+ display-timings {
+ 800x480p62 {
+ clock-frequency = <30000000>;
+ hactive = <800>;
+ vactive = <480>;
+ hfront-porch = <39>;
+ hback-porch = <39>;
+ hsync-len = <47>;
+ vback-porch = <29>;
+ vfront-porch = <13>;
+ vsync-len = <2>;
+ hsync-active = <1>;
+ vsync-active = <1>;
+ };
+ };
+ };
};
/include/ "tps65910.dtsi"
diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index 8e1248f..05b2c4a 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -415,5 +415,14 @@
#size-cells = <1>;
status = "disabled";
};
+
+ lcdc: lcdc@4830e000 {
+ compatible = "ti,am33xx-tilcdc";
+ reg = <0x4830e000 0x1000>;
+ interrupt-parent = <&intc>;
+ interrupts = <36>;
+ ti,hwmods = "lcdc";
+ status = "disabled";
+ };
};
};
--
1.7.9.5
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