Both the AM437x-Gp evm and Am43x-Epos evm
use the same LCD panel.
The lcd timings are added in respective dts files.
Adds display pinctrl and enables required gpio.
Signed-off-by: Sathya Prakash M R <sathyap@xxxxxx>
---
arch/arm/boot/dts/am437x-gp-evm.dts | 77 ++++++++++++++++++++++++++++++++++
arch/arm/boot/dts/am43x-epos-evm.dts | 73 ++++++++++++++++++++++++++++++++
2 files changed, 150 insertions(+)
diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index 2e79bda..a178e8d 100644
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -24,6 +24,33 @@
brightness-levels = <0 51 53 56 62 75 101 152 255>;
default-brightness-level = <8>;
};
+
+ aliases {
+ display0 = &lcd0;
+ };
+
+ lcd0: display {
+ compatible = "osddisplays,osd057T0559-34ts", "panel-dpi";
+ label = "lcd";
+ panel-timing {
+ clock-frequency = <33000000>;
+ hactive = <800>;
+ vactive = <480>;
+ hfront-porch = <210>;
+ hback-porch = <16>;
+ hsync-len = <30>;
+ vback-porch = <10>;
+ vfront-porch = <22>;
+ vsync-len = <13>;
+ hsync-active = <0>;
+ vsync-active = <0>;
+ de-active = <1>;
+ pixelclk-active = <1>;
+ };
+ lcd_in: endpoint {
+ remote-endpoint = <&dpi_out>;
+ };
+ };
};
&am43xx_pinmux {
@@ -46,6 +73,40 @@
0x164 MUX_MODE0 /* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */
>;
};
+
+ dss_pinctrl: dss_pinctrl {
+ pinctrl-single,pins = <
+ 0x020 (PIN_OUTPUT_PULLUP | MUX_MODE1) /*gpmc ad 8 -> DSS DATA 23 */
+ 0x024 (PIN_OUTPUT_PULLUP | MUX_MODE1)
+ 0x028 (PIN_OUTPUT_PULLUP | MUX_MODE1)
+ 0x02C (PIN_OUTPUT_PULLUP | MUX_MODE1)
+ 0x030 (PIN_OUTPUT_PULLUP | MUX_MODE1)
+ 0x034 (PIN_OUTPUT_PULLUP | MUX_MODE1)
+ 0x038 (PIN_OUTPUT_PULLUP | MUX_MODE1)
+ 0x03C (PIN_OUTPUT_PULLUP | MUX_MODE1) /*gpmc ad 15 -> DSS DATA 16 */
+ 0x0A0 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS DATA 0 */
+ 0x0A4 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0A8 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0AC (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0B0 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0B4 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0B8 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0BC (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0C0 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0C4 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0C8 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0CC (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0D0 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0D4 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0D8 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0DC (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS DATA 15 */
+ 0x0E0 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS VSYNC */
+ 0x0E4 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS HSYNC */
+ 0x0E8 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS PCLK */
+ 0x0EC (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS AC BIAS EN */
+ 0x238 (PIN_OUTPUT_PULLUP | MUX_MODE7) /* GPIO 5_8 to select LCD / HDMI */
+ >;
+ };
};
&i2c0 {
@@ -69,3 +130,19 @@
pinctrl-names = "default";
pinctrl-0 = <&ecap0_pins>;
};
+
+&gpio5 {
+ status = "okay";
+};
+
+&dss {
+ status = "ok";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&dss_pinctrl>;
+
+ dpi_out: endpoint@0 {
+ remote-endpoint = <&lcd_in>;
+ data-lines = <24>;
+ };
+};
diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts
index 2ebcde6..3f9643b 100644
--- a/arch/arm/boot/dts/am43x-epos-evm.dts
+++ b/arch/arm/boot/dts/am43x-epos-evm.dts
@@ -27,6 +27,33 @@
enable-active-high;
};
+ aliases {
+ display0 = &lcd0;
+ };
+
+ lcd0: display {
+ compatible = "osddisplays,osd057T0559-34ts", "panel-dpi";
+ label = "lcd";
+ panel-timing {
+ clock-frequency = <33000000>;
+ hactive = <800>;
+ vactive = <480>;
+ hfront-porch = <210>;
+ hback-porch = <16>;
+ hsync-len = <30>;
+ vback-porch = <10>;
+ vfront-porch = <22>;
+ vsync-len = <13>;
+ hsync-active = <0>;
+ vsync-active = <0>;
+ de-active = <1>;
+ pixelclk-active = <1>;
+ };
+ lcd_in: endpoint {
+ remote-endpoint = <&dpi_out>;
+ };
+ };
+
am43xx_pinmux: pinmux@44e10800 {
cpsw_default: cpsw_default {
pinctrl-single,pins = <
@@ -122,6 +149,40 @@
0x19c (PIN_OUTPUT | MUX_MODE3) /* mcasp0_ahclkr.spi1_cs0 */
>;
};
+
+ dss_pinctrl: dss_pinctrl {
+ pinctrl-single,pins = <
+ 0x020 (PIN_OUTPUT_PULLUP | MUX_MODE1) /*gpmc ad 8 -> DSS DATA 23 */
+ 0x024 (PIN_OUTPUT_PULLUP | MUX_MODE1)
+ 0x028 (PIN_OUTPUT_PULLUP | MUX_MODE1)
+ 0x02C (PIN_OUTPUT_PULLUP | MUX_MODE1)
+ 0x030 (PIN_OUTPUT_PULLUP | MUX_MODE1)
+ 0x034 (PIN_OUTPUT_PULLUP | MUX_MODE1)
+ 0x038 (PIN_OUTPUT_PULLUP | MUX_MODE1)
+ 0x03C (PIN_OUTPUT_PULLUP | MUX_MODE1) /*gpmc ad 15 -> DSS DATA 16 */
+ 0x0A0 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS DATA 0 */
+ 0x0A4 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0A8 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0AC (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0B0 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0B4 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0B8 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0BC (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0C0 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0C4 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0C8 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0CC (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0D0 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0D4 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0D8 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0DC (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS DATA 15 */
+ 0x0E0 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS VSYNC */
+ 0x0E4 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS HSYNC */
+ 0x0E8 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS PCLK */
+ 0x0EC (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS AC BIAS EN */
+ 0x08C (PIN_OUTPUT_PULLUP | MUX_MODE7) /* GPMC CLK -> GPIO 2_1 to select LCD / HDMI */
+ >;
+ };
};
matrix_keypad: matrix_keypad@0 {
@@ -279,3 +340,15 @@
pinctrl-0 = <&spi1_pins>;
status = "okay";
};
+
+&dss {
+ status = "ok";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&dss_pinctrl>;
+
+ dpi_out: endpoint@0 {
+ remote-endpoint = <&lcd_in>;
+ data-lines = <24>;
+ };
+};
--
1.7.9.5
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