This patch add support for lcd display on gta04 board. Display control
is connected to spi (used spi bitbang driver).
Signed-off-by: Marek Belisko <marek@xxxxxxxxxxxxx>
---
arch/arm/boot/dts/omap3-gta04.dts | 87 +++++++++++++++++++++++++++++++++++++++
1 file changed, 87 insertions(+)
diff --git a/arch/arm/boot/dts/omap3-gta04.dts b/arch/arm/boot/dts/omap3-gta04.dts
index f8ad125..eb9ab1a 100644
--- a/arch/arm/boot/dts/omap3-gta04.dts
+++ b/arch/arm/boot/dts/omap3-gta04.dts
@@ -44,6 +44,36 @@
ti,mcbsp = <&mcbsp2>;
ti,codec = <&twl_audio>;
};
+
+ spi_lcd {
+ compatible = "spi-gpio";
+ #address-cells = <0x1>;
+ #size-cells = <0x0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi_gpio_pins>;
+
+ gpio-sck = <&gpio1 12 0>;
+ gpio-miso = <&gpio1 18 0>;
+ gpio-mosi = <&gpio1 20 0>;
+ cs-gpios = <&gpio1 19 0>;
+ num-chipselects = <1>;
+
+ /* lcd panel */
+ lcd: td028ttec1@0 {
+ compatible = "toppoly,td028ttec1";
+ reg = <0>;
+ spi-max-frequency = <100000>;
+ spi-cpol;
+ spi-cpha;
+
+ label = "lcd";
+ port {
+ lcd_in: endpoint {
+ remote-endpoint = <&dpi_out>;
+ };
+ };
+ };
+ };
};
&omap3_pmx_core {
@@ -78,6 +108,47 @@
0x11e (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_dat3.sdmmc1_dat3 */
>;
};
+
+ dss_dpi_pins: pinmux_dss_dpi_pins {
+ pinctrl-single,pins = <
+ 0x0a4 (PIN_OUTPUT | MUX_MODE0) /* dss_pclk.dss_pclk */
+ 0x0a6 (PIN_OUTPUT | MUX_MODE0) /* dss_hsync.dss_hsync */
+ 0x0a8 (PIN_OUTPUT | MUX_MODE0) /* dss_vsync.dss_vsync */
+ 0x0aa (PIN_OUTPUT | MUX_MODE0) /* dss_acbias.dss_acbias */
+ 0x0ac (PIN_OUTPUT | MUX_MODE0) /* dss_data0.dss_data0 */
+ 0x0ae (PIN_OUTPUT | MUX_MODE0) /* dss_data1.dss_data1 */
+ 0x0b0 (PIN_OUTPUT | MUX_MODE0) /* dss_data2.dss_data2 */
+ 0x0b2 (PIN_OUTPUT | MUX_MODE0) /* dss_data3.dss_data3 */
+ 0x0b4 (PIN_OUTPUT | MUX_MODE0) /* dss_data4.dss_data4 */
+ 0x0b6 (PIN_OUTPUT | MUX_MODE0) /* dss_data5.dss_data5 */
+ 0x0b8 (PIN_OUTPUT | MUX_MODE0) /* dss_data6.dss_data6 */
+ 0x0ba (PIN_OUTPUT | MUX_MODE0) /* dss_data7.dss_data7 */
+ 0x0bc (PIN_OUTPUT | MUX_MODE0) /* dss_data8.dss_data8 */
+ 0x0be (PIN_OUTPUT | MUX_MODE0) /* dss_data9.dss_data9 */
+ 0x0c0 (PIN_OUTPUT | MUX_MODE0) /* dss_data10.dss_data10 */
+ 0x0c2 (PIN_OUTPUT | MUX_MODE0) /* dss_data11.dss_data11 */
+ 0x0c4 (PIN_OUTPUT | MUX_MODE0) /* dss_data12.dss_data12 */
+ 0x0c6 (PIN_OUTPUT | MUX_MODE0) /* dss_data13.dss_data13 */
+ 0x0c8 (PIN_OUTPUT | MUX_MODE0) /* dss_data14.dss_data14 */
+ 0x0ca (PIN_OUTPUT | MUX_MODE0) /* dss_data15.dss_data15 */
+ 0x0cc (PIN_OUTPUT | MUX_MODE0) /* dss_data16.dss_data16 */
+ 0x0ce (PIN_OUTPUT | MUX_MODE0) /* dss_data17.dss_data17 */
+ 0x0d0 (PIN_OUTPUT | MUX_MODE0) /* dss_data18.dss_data18 */
+ 0x0d2 (PIN_OUTPUT | MUX_MODE0) /* dss_data19.dss_data19 */
+ 0x0d4 (PIN_OUTPUT | MUX_MODE0) /* dss_data20.dss_data20 */
+ 0x0d6 (PIN_OUTPUT | MUX_MODE0) /* dss_data21.dss_data21 */
+ 0x0d8 (PIN_OUTPUT | MUX_MODE0) /* dss_data22.dss_data22 */
+ 0x0da (PIN_OUTPUT | MUX_MODE0) /* dss_data23.dss_data23 */
+ >;
+ };
+
+ spi_gpio_pins: spi_gpio_pinmux {
+ pinctrl-single,pins = <0x5a8 (PIN_OUTPUT | MUX_MODE4) /* clk */
+ 0x5b6 (PIN_OUTPUT | MUX_MODE4) /* cs */
+ 0x5b8 (PIN_OUTPUT | MUX_MODE4) /* tx */
+ 0x5b4 (PIN_INPUT | MUX_MODE4) /* rx */
+ >;
+ };
};
&i2c1 {
@@ -219,3 +290,19 @@
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <3150000>;
};
+
+&dss {
+ pinctrl-names = "default";
+ pinctrl-0 = < &dss_dpi_pins >;
+
+ status = "okay";
+
+ vdds_dsi-supply = <&vpll2>;
+
+ port {
+ dpi_out: endpoint {
+ remote-endpoint = <&lcd_in>;
+ data-lines = <24>;
+ };
+ };
+};
--
1.9.1
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