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ARM: dts: am3517-evm: Add LCD panel type 15 support

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The AM3517-EVM by Logic PD has a Logic PD type 15 display LCD
attached to the baseboard, and the SOM itself has an integrated
touchscreen controller.  This patch enables both the LCD and
the tsc2004 on the SOM.

Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Adam Ford 2018-05-05 20:26:11 -05:00 committed by Tony Lindgren
parent a00ff99c4b
commit ad36551644
2 changed files with 136 additions and 0 deletions
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107
arch/arm/boot/dts/am3517-evm.dts
View File

@ -13,6 +13,10 @@
model = "TI AM3517 EVM (AM3517/05 TMDSEVM3517)";
compatible = "ti,am3517-evm", "ti,am3517", "ti,omap3";
aliases {
display0 = &lcd0;
};
memory@80000000 {
device_type = "memory";
reg = <0x80000000 0x10000000>; /* 256 MB */
@ -24,6 +28,54 @@
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
lcd0: display@0 {
compatible = "panel-dpi";
label = "15";
status = "okay";
pinctrl-names = "default";
enable-gpios = <&gpio6 16 GPIO_ACTIVE_HIGH>; /* gpio176, lcd INI */
port {
lcd_in: endpoint {
remote-endpoint = <&dpi_out>;
};
};
panel-timing {
clock-frequency = <9000000>;
hactive = <480>;
vactive = <272>;
hfront-porch = <3>;
hback-porch = <2>;
hsync-len = <42>;
vback-porch = <3>;
vfront-porch = <4>;
vsync-len = <11>;
hsync-active = <0>;
vsync-active = <0>;
de-active = <1>;
pixelclk-active = <1>;
};
};
bl: backlight {
compatible = "pwm-backlight";
pinctrl-names = "default";
pinctrl-0 = <&backlight_pins>;
pwms = <&pwm11 0 5000000 0>;
brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
default-brightness-level = <7>;
enable-gpios = <&gpio6 22 GPIO_ACTIVE_HIGH>; /* gpio_182 */
};
pwm11: dmtimer-pwm@11 {
compatible = "ti,omap-dmtimer-pwm";
pinctrl-names = "default";
pinctrl-0 = <&pwm_pins>;
ti,timers = <&timer11>;
#pwm-cells = <3>;
};
};
&davinci_emac {
@ -34,6 +86,23 @@
status = "okay";
};
&dss {
status = "ok";
pinctrl-names = "default";
pinctrl-0 = <&dss_dpi_pins>;
vdds_dsi-supply = <&vdd_io_reg>;
vdda_video-supply = <&vdd_io_reg>;
port {
dpi_out: endpoint {
remote-endpoint = <&lcd_in>;
data-lines = <16>;
};
};
};
&i2c2 {
clock-frequency = <400000>;
};
@ -74,4 +143,42 @@
OMAP3_CORE1_IOPAD(0x2152, PIN_INPUT_PULLUP | MUX_MODE4) /* sdmmc1_dat5.gpio_127 */
>;
};
pwm_pins: pinmux_pwm_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x21dc, PIN_OUTPUT | MUX_MODE1) /* mcspi2_cs0.gpt11_pwm */
>;
};
backlight_pins: pinmux_backlight_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x21de, PIN_OUTPUT | MUX_MODE4) /* mcspi2_cs1.gpio_182 */
>;
};
dss_dpi_pins: pinmux_dss_dpi_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x21d2, PIN_OUTPUT | MUX_MODE4) /* mcspi1_cs2.gpio_176 */
OMAP3_CORE1_IOPAD(0x20d4, PIN_OUTPUT | MUX_MODE0) /* dss_pclk.dss_pclk */
OMAP3_CORE1_IOPAD(0x20d6, PIN_OUTPUT | MUX_MODE0) /* dss_hsync.dss_hsync */
OMAP3_CORE1_IOPAD(0x20d8, PIN_OUTPUT | MUX_MODE0) /* dss_vsync.dss_vsync */
OMAP3_CORE1_IOPAD(0x20da, PIN_OUTPUT | MUX_MODE0) /* dss_acbias.dss_acbias */
OMAP3_CORE1_IOPAD(0x20dc, PIN_OUTPUT | MUX_MODE0) /* dss_data0.dss_data0 */
OMAP3_CORE1_IOPAD(0x20de, PIN_OUTPUT | MUX_MODE0) /* dss_data1.dss_data1 */
OMAP3_CORE1_IOPAD(0x20e0, PIN_OUTPUT | MUX_MODE0) /* dss_data2.dss_data2 */
OMAP3_CORE1_IOPAD(0x20e2, PIN_OUTPUT | MUX_MODE0) /* dss_data3.dss_data3 */
OMAP3_CORE1_IOPAD(0x20e4, PIN_OUTPUT | MUX_MODE0) /* dss_data4.dss_data4 */
OMAP3_CORE1_IOPAD(0x20e6, PIN_OUTPUT | MUX_MODE0) /* dss_data5.dss_data5 */
OMAP3_CORE1_IOPAD(0x20e8, PIN_OUTPUT | MUX_MODE0) /* dss_data6.dss_data6 */
OMAP3_CORE1_IOPAD(0x20ea, PIN_OUTPUT | MUX_MODE0) /* dss_data7.dss_data7 */
OMAP3_CORE1_IOPAD(0x20ec, PIN_OUTPUT | MUX_MODE0) /* dss_data8.dss_data8 */
OMAP3_CORE1_IOPAD(0x20ee, PIN_OUTPUT | MUX_MODE0) /* dss_data9.dss_data9 */
OMAP3_CORE1_IOPAD(0x20f0, PIN_OUTPUT | MUX_MODE0) /* dss_data10.dss_data10 */
OMAP3_CORE1_IOPAD(0x20f2, PIN_OUTPUT | MUX_MODE0) /* dss_data11.dss_data11 */
OMAP3_CORE1_IOPAD(0x20f4, PIN_OUTPUT | MUX_MODE0) /* dss_data12.dss_data12 */
OMAP3_CORE1_IOPAD(0x20f6, PIN_OUTPUT | MUX_MODE0) /* dss_data13.dss_data13 */
OMAP3_CORE1_IOPAD(0x20f8, PIN_OUTPUT | MUX_MODE0) /* dss_data14.dss_data14 */
OMAP3_CORE1_IOPAD(0x20fa, PIN_OUTPUT | MUX_MODE0) /* dss_data15.dss_data15 */
>;
};
};

29
arch/arm/boot/dts/am3517-som.dtsi
View File

@ -94,4 +94,33 @@
};
};
};
touchscreen: tsc2004@4b {
compatible = "ti,tsc2004";
reg = <0x4b>;
vio-supply = <&vdd_io_reg>;
pinctrl-names = "default";
pinctrl-0 = <&tsc2004_pins>;
interrupts-extended = <&gpio3 1 IRQ_TYPE_EDGE_RISING>; /* gpio_65 */
touchscreen-fuzz-x = <4>;
touchscreen-fuzz-y = <7>;
touchscreen-fuzz-pressure = <2>;
touchscreen-size-x = <480>;
touchscreen-size-y = <272>;
touchscreen-max-pressure = <2048>;
ti,x-plate-ohms = <280>;
ti,esd-recovery-timeout-ms = <8000>;
};
};
&omap3_pmx_core {
tsc2004_pins: pinmux_tsc2004_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x20d2, PIN_INPUT | MUX_MODE4) /* gpmc_wait3.gpio_65 */
>;
};
};