Skip to content

L
linux
Commit 3089e40e authored by Uri Mashiach's avatar Uri Mashiach Committed by Tony Lindgren
Browse files
Options

ARM: dts: cm-t335: add support for DVI/LCD 

Add pinmux configuration for DVI/LCD.
Add DRM display driver node with timing configurations for DVI and LCD.
Add I2C GPIOs configurations for DVI and LCD enable.
Signed-off-by: default avatarUri Mashiach <uri.mashiach@compulab.co.il>
Acked-by: default avatarIgor Grinberg <grinberg@compulab.co.il>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 98e5d898
Hide whitespace changes
Inline Side-by-side
Showing with 192 additions and 0 deletions
arch/arm/boot/dts/am335x-sbc-t335.dts
View file @ 3089e40e
...@@ -13,6 +13,181 @@ ...@@ -13,6 +13,181 @@
/ { / {
model = "CompuLab CM-T335 on SB-T335"; model = "CompuLab CM-T335 on SB-T335";
compatible = "compulab,sbc-t335", "compulab,cm-t335", "ti,am33xx"; compatible = "compulab,sbc-t335", "compulab,cm-t335", "ti,am33xx";
/* DRM display driver */
panel {
compatible = "ti,tilcdc,panel";
status = "okay";
pinctrl-names = "default", "sleep";
pinctrl-0 = <&lcd_pins_default>;
pinctrl-1 = <&lcd_pins_sleep>;
panel-info {
ac-bias = <255>;
ac-bias-intrpt = <0>;
dma-burst-sz = <16>;
bpp = <32>;
fdd = <0x80>;
sync-edge = <0>;
sync-ctrl = <1>;
raster-order = <0>;
fifo-th = <0>;
};
display-timings {
/* Timing selection performed by U-Boot */
timing0: lcd {/* 800x480p62 */
clock-frequency = <30000000>;
hactive = <800>;
vactive = <480>;
hfront-porch = <39>;
hback-porch = <39>;
hsync-len = <47>;
vback-porch = <29>;
vfront-porch = <13>;
vsync-len = <2>;
hsync-active = <1>;
vsync-active = <1>;
};
timing1: dvi { /* 1024x768p60 */
clock-frequency = <65000000>;
hactive = <1024>;
hfront-porch = <24>;
hback-porch = <160>;
hsync-len = <136>;
vactive = <768>;
vfront-porch = <3>;
vback-porch = <29>;
vsync-len = <6>;
hsync-active = <0>;
vsync-active = <0>;
};
};
};
};
&am33xx_pinmux {
/* Display */
lcd_pins_default: lcd_pins_default {
pinctrl-single,pins = <
/* gpmc_ad8.lcd_data23 */
AM33XX_IOPAD(0x820, PIN_OUTPUT | MUX_MODE1)
/* gpmc_ad9.lcd_data22 */
AM33XX_IOPAD(0x824, PIN_OUTPUT | MUX_MODE1)
/* gpmc_ad10.lcd_data21 */
AM33XX_IOPAD(0x828, PIN_OUTPUT | MUX_MODE1)
/* gpmc_ad11.lcd_data20 */
AM33XX_IOPAD(0x82c, PIN_OUTPUT | MUX_MODE1)
/* gpmc_ad12.lcd_data19 */
AM33XX_IOPAD(0x830, PIN_OUTPUT | MUX_MODE1)
/* gpmc_ad13.lcd_data18 */
AM33XX_IOPAD(0x834, PIN_OUTPUT | MUX_MODE1)
/* gpmc_ad14.lcd_data17 */
AM33XX_IOPAD(0x838, PIN_OUTPUT | MUX_MODE1)
/* gpmc_ad15.lcd_data16 */
AM33XX_IOPAD(0x83c, PIN_OUTPUT | MUX_MODE1)
/* lcd_data0.lcd_data0 */
AM33XX_IOPAD(0x8a0, PIN_OUTPUT | MUX_MODE0)
/* lcd_data1.lcd_data1 */
AM33XX_IOPAD(0x8a4, PIN_OUTPUT | MUX_MODE0)
/* lcd_data2.lcd_data2 */
AM33XX_IOPAD(0x8a8, PIN_OUTPUT | MUX_MODE0)
/* lcd_data3.lcd_data3 */
AM33XX_IOPAD(0x8ac, PIN_OUTPUT | MUX_MODE0)
/* lcd_data4.lcd_data4 */
AM33XX_IOPAD(0x8b0, PIN_OUTPUT | MUX_MODE0)
/* lcd_data5.lcd_data5 */
AM33XX_IOPAD(0x8b4, PIN_OUTPUT | MUX_MODE0)
/* lcd_data6.lcd_data6 */
AM33XX_IOPAD(0x8b8, PIN_OUTPUT | MUX_MODE0)
/* lcd_data7.lcd_data7 */
AM33XX_IOPAD(0x8bc, PIN_OUTPUT | MUX_MODE0)
/* lcd_data8.lcd_data8 */
AM33XX_IOPAD(0x8c0, PIN_OUTPUT | MUX_MODE0)
/* lcd_data9.lcd_data9 */
AM33XX_IOPAD(0x8c4, PIN_OUTPUT | MUX_MODE0)
/* lcd_data10.lcd_data10 */
AM33XX_IOPAD(0x8c8, PIN_OUTPUT | MUX_MODE0)
/* lcd_data11.lcd_data11 */
AM33XX_IOPAD(0x8cc, PIN_OUTPUT | MUX_MODE0)
/* lcd_data12.lcd_data12 */
AM33XX_IOPAD(0x8d0, PIN_OUTPUT | MUX_MODE0)
/* lcd_data13.lcd_data13 */
AM33XX_IOPAD(0x8d4, PIN_OUTPUT | MUX_MODE0)
/* lcd_data14.lcd_data14 */
AM33XX_IOPAD(0x8d8, PIN_OUTPUT | MUX_MODE0)
/* lcd_data15.lcd_data15 */
AM33XX_IOPAD(0x8dc, PIN_OUTPUT | MUX_MODE0)
/* lcd_vsync.lcd_vsync */
AM33XX_IOPAD(0x8e0, PIN_OUTPUT | MUX_MODE0)
/* lcd_hsync.lcd_hsync */
AM33XX_IOPAD(0x8e4, PIN_OUTPUT | MUX_MODE0)
/* lcd_pclk.lcd_pclk */
AM33XX_IOPAD(0x8e8, PIN_OUTPUT | MUX_MODE0)
/* lcd_ac_bias_en.lcd_ac_bias_en */
AM33XX_IOPAD(0x8ec, PIN_OUTPUT | MUX_MODE0)
>;
};
lcd_pins_sleep: lcd_pins_sleep {
pinctrl-single,pins = <
/* gpmc_ad8.lcd_data23 */
AM33XX_IOPAD(0x820, PIN_INPUT_PULLDOWN | MUX_MODE7)
/* gpmc_ad9.lcd_data22 */
AM33XX_IOPAD(0x824, PIN_INPUT_PULLDOWN | MUX_MODE7)
/* gpmc_ad10.lcd_data21 */
AM33XX_IOPAD(0x828, PIN_INPUT_PULLDOWN | MUX_MODE7)
/* gpmc_ad11.lcd_data20 */
AM33XX_IOPAD(0x82c, PIN_INPUT_PULLDOWN | MUX_MODE7)
/* gpmc_ad12.lcd_data19 */
AM33XX_IOPAD(0x830, PIN_INPUT_PULLDOWN | MUX_MODE7)
/* gpmc_ad13.lcd_data18 */
AM33XX_IOPAD(0x834, PIN_INPUT_PULLDOWN | MUX_MODE7)
/* gpmc_ad14.lcd_data17 */
AM33XX_IOPAD(0x838, PIN_INPUT_PULLDOWN | MUX_MODE7)
/* gpmc_ad15.lcd_data16 */
AM33XX_IOPAD(0x83c, PIN_INPUT_PULLDOWN | MUX_MODE7)
/* lcd_data0.lcd_data0 */
AM33XX_IOPAD(0x8a0, PULL_DISABLE | MUX_MODE7)
/* lcd_data1.lcd_data1 */
AM33XX_IOPAD(0x8a4, PULL_DISABLE | MUX_MODE7)
/* lcd_data2.lcd_data2 */
AM33XX_IOPAD(0x8a8, PULL_DISABLE | MUX_MODE7)
/* lcd_data3.lcd_data3 */
AM33XX_IOPAD(0x8ac, PULL_DISABLE | MUX_MODE7)
/* lcd_data4.lcd_data4 */
AM33XX_IOPAD(0x8b0, PULL_DISABLE | MUX_MODE7)
/* lcd_data5.lcd_data5 */
AM33XX_IOPAD(0x8b4, PULL_DISABLE | MUX_MODE7)
/* lcd_data6.lcd_data6 */
AM33XX_IOPAD(0x8b8, PULL_DISABLE | MUX_MODE7)
/* lcd_data7.lcd_data7 */
AM33XX_IOPAD(0x8bc, PULL_DISABLE | MUX_MODE7)
/* lcd_data8.lcd_data8 */
AM33XX_IOPAD(0x8c0, PULL_DISABLE | MUX_MODE7)
/* lcd_data9.lcd_data9 */
AM33XX_IOPAD(0x8c4, PULL_DISABLE | MUX_MODE7)
/* lcd_data10.lcd_data10 */
AM33XX_IOPAD(0x8c8, PULL_DISABLE | MUX_MODE7)
/* lcd_data11.lcd_data11 */
AM33XX_IOPAD(0x8cc, PULL_DISABLE | MUX_MODE7)
/* lcd_data12.lcd_data12 */
AM33XX_IOPAD(0x8d0, PULL_DISABLE | MUX_MODE7)
/* lcd_data13.lcd_data13 */
AM33XX_IOPAD(0x8d4, PULL_DISABLE | MUX_MODE7)
/* lcd_data14.lcd_data14 */
AM33XX_IOPAD(0x8d8, PULL_DISABLE | MUX_MODE7)
/* lcd_data15.lcd_data15 */
AM33XX_IOPAD(0x8dc, PULL_DISABLE | MUX_MODE7)
/* lcd_vsync.lcd_vsync */
AM33XX_IOPAD(0x8e0, PIN_INPUT_PULLDOWN | MUX_MODE7)
/* lcd_hsync.lcd_hsync */
AM33XX_IOPAD(0x8e4, PIN_INPUT_PULLDOWN | MUX_MODE7)
/* lcd_pclk.lcd_pclk */
AM33XX_IOPAD(0x8e8, PIN_INPUT_PULLDOWN | MUX_MODE7)
/* lcd_ac_bias_en.lcd_ac_bias_en */
AM33XX_IOPAD(0x8ec, PIN_INPUT_PULLDOWN | MUX_MODE7)
>;
};
}; };
&i2c0 { &i2c0 {
...@@ -23,5 +198,22 @@ gpio_ext: pca9555@26 { ...@@ -23,5 +198,22 @@ gpio_ext: pca9555@26 {
gpio-controller; gpio-controller;
#gpio-cells = <2>; #gpio-cells = <2>;
reg = <0x26>; reg = <0x26>;
dvi_ena {
gpio-hog;
gpios = <13 GPIO_ACTIVE_HIGH>;
output-high;
line-name = "dvi-enable";
};
lcd_ena {
gpio-hog;
gpios = <11 GPIO_ACTIVE_HIGH>;
output-high;
line-name = "lcd-enable";
};
}; };
}; };
/* Display */
&lcdc {
status = "okay";
};
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7