p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

ARM: dts: omap3-gta04: Add display support 

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@goldelico.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Marek Belisko 2014-05-08 22:16:51 +02:00 committed by Tomi Valkeinen
parent 6ac732e498
commit c2e138bc8e
1 changed files with 90 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

90
arch/arm/boot/dts/omap3-gta04.dts
View File

@ -44,6 +44,36 @@ sound {
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 @@ mmc1_pins: pinmux_mmc1_pins {
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 +290,22 @@ &vaux4 {
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <3150000>;
};
/* Needed to power the DPI pins */
&vpll2 {
regulator-always-on;
};
&dss {
pinctrl-names = "default";
pinctrl-0 = < &dss_dpi_pins >;
status = "okay";
port {
dpi_out: endpoint {
remote-endpoint = <&lcd_in>;
data-lines = <24>;
};
};
};