diff options
Diffstat (limited to 'arch/arm/boot/dts/am43x-epos-evm.dts')
| -rw-r--r-- | arch/arm/boot/dts/am43x-epos-evm.dts | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts index 795d68af6df9..77919c570fe1 100644 --- a/arch/arm/boot/dts/am43x-epos-evm.dts +++ b/arch/arm/boot/dts/am43x-epos-evm.dts @@ -35,17 +35,6 @@ compatible = "osddisplays,osd057T0559-34ts", "panel-dpi"; label = "lcd"; - pinctrl-names = "default"; - pinctrl-0 = <&lcd_pins>; - - /* - * SelLCDorHDMI, LOW to select HDMI. This is not really the - * panel's enable GPIO, but we don't have HDMI driver support nor - * support to switch between two displays, so using this gpio as - * panel's enable should be safe. - */ - enable-gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>; - panel-timing { clock-frequency = <33000000>; hactive = <800>; @@ -278,7 +267,7 @@ >; }; - lcd_pins: lcd_pins { + display_mux_pins: display_mux_pins { pinctrl-single,pins = < /* GPMC CLK -> GPIO 2_1 to select LCD / HDMI */ 0x08C (PIN_OUTPUT_PULLUP | MUX_MODE7) @@ -458,7 +447,21 @@ }; &gpio2 { + pinctrl-names = "default"; + pinctrl-0 = <&display_mux_pins>; status = "okay"; + + p1 { + /* + * SelLCDorHDMI selects between display and audio paths: + * Low: HDMI display with audio via HDMI + * High: LCD display with analog audio via aic3111 codec + */ + gpio-hog; + gpios = <1 GPIO_ACTIVE_HIGH>; + output-high; + line-name = "SelLCDorHDMI"; + }; }; &gpio3 { |