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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2014 Florian Vaussard, EPFL Mobots group
*/
/*
* 4.3'' LCD panel output for some Gumstix Overo boards (Gallop43, Chestnut43)
*/
&omap3_pmx_core {
dss_dpi_pins: pinmux_dss_dpi_pins {
pinctrl-single,pins = <
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 */
OMAP3_CORE1_IOPAD(0x20fc, PIN_OUTPUT | MUX_MODE0) /* dss_data16.dss_data16 */
OMAP3_CORE1_IOPAD(0x20fe, PIN_OUTPUT | MUX_MODE0) /* dss_data17.dss_data17 */
OMAP3_CORE1_IOPAD(0x2100, PIN_OUTPUT | MUX_MODE0) /* dss_data18.dss_data18 */
OMAP3_CORE1_IOPAD(0x2102, PIN_OUTPUT | MUX_MODE0) /* dss_data19.dss_data19 */
OMAP3_CORE1_IOPAD(0x2104, PIN_OUTPUT | MUX_MODE0) /* dss_data20.dss_data20 */
OMAP3_CORE1_IOPAD(0x2106, PIN_OUTPUT | MUX_MODE0) /* dss_data21.dss_data21 */
OMAP3_CORE1_IOPAD(0x2108, PIN_OUTPUT | MUX_MODE0) /* dss_data22.dss_data22 */
OMAP3_CORE1_IOPAD(0x210a, PIN_OUTPUT | MUX_MODE0) /* dss_data23.dss_data23 */
>;
};
lte430_pins: pinmux_lte430_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x2174, PIN_OUTPUT | MUX_MODE4) /* uart2_cts.gpio_144 */
>;
};
backlight_pins: pinmux_backlight_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x2176, PIN_OUTPUT | MUX_MODE4) /* uart2_rts.gpio_145 */
>;
};
mcspi1_pins: pinmux_mcspi1_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x21c8, PIN_INPUT | MUX_MODE0) /* mcspi1_clk.mcspi1_clk */
OMAP3_CORE1_IOPAD(0x21ca, PIN_INPUT | MUX_MODE0) /* mcspi1_simo.mcspi1_simo */
OMAP3_CORE1_IOPAD(0x21cc, PIN_INPUT | MUX_MODE0) /* mcspi1_somi.mcspi1_somi */
OMAP3_CORE1_IOPAD(0x21ce, PIN_INPUT | MUX_MODE0) /* mcspi1_cs0.mcspi1_cs0 */
>;
};
ads7846_pins: pinmux_ads7846_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x2138, PIN_INPUT_PULLDOWN | MUX_MODE4) /* csi2_dx1.gpio_114 */
>;
};
};
/* Needed to power the DPI pins */
&vpll2 {
regulator-always-on;
};
&dss {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&dss_dpi_pins>;
port {
dpi_out: endpoint {
remote-endpoint = <&lcd_in>;
data-lines = <24>;
};
};
};
/ {
aliases {
display0 = &lcd0;
};
lcd0: display {
compatible = "samsung,lte430wq-f0c", "panel-dpi";
label = "lcd43";
pinctrl-names = "default";
pinctrl-0 = <<e430_pins>;
enable-gpios = <&gpio5 16 GPIO_ACTIVE_HIGH>; /* gpio_144 */
port {
lcd_in: endpoint {
remote-endpoint = <&dpi_out>;
};
};
panel-timing {
clock-frequency = <9200000>;
hactive = <480>;
vactive = <272>;
hfront-porch = <8>;
hback-porch = <4>;
hsync-len = <41>;
vback-porch = <2>;
vfront-porch = <4>;
vsync-len = <10>;
hsync-active = <0>;
vsync-active = <0>;
de-active = <1>;
pixelclk-active = <1>;
};
};
ads7846reg: ads7846-reg {
compatible = "regulator-fixed";
regulator-name = "ads7846-reg";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
backlight {
compatible = "gpio-backlight";
pinctrl-names = "default";
pinctrl-0 = <&backlight_pins>;
gpios = <&gpio5 17 GPIO_ACTIVE_HIGH>; /* gpio_145 */
default-on;
};
};
&mcspi1 {
pinctrl-names = "default";
pinctrl-0 = <&mcspi1_pins>;
/* touch controller */
ads7846@0 {
pinctrl-names = "default";
pinctrl-0 = <&ads7846_pins>;
compatible = "ti,ads7846";
vcc-supply = <&ads7846reg>;
reg = <0>; /* CS0 */
spi-max-frequency = <1500000>;
interrupt-parent = <&gpio4>;
interrupts = <18 0>; /* gpio_114 */
pendown-gpio = <&gpio4 18 GPIO_ACTIVE_HIGH>;
ti,x-min = /bits/ 16 <0x0>;
ti,x-max = /bits/ 16 <0x0fff>;
ti,y-min = /bits/ 16 <0x0>;
ti,y-max = /bits/ 16 <0x0fff>;
ti,x-plate-ohms = /bits/ 16 <180>;
ti,pressure-max = /bits/ 16 <255>;
wakeup-source;
};
};
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