diff options
| -rw-r--r-- | arch/arm/boot/dts/am437x-gp-evm.dts | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts index 84aa30c3235a..e2fb2713333d 100644 --- a/arch/arm/boot/dts/am437x-gp-evm.dts +++ b/arch/arm/boot/dts/am437x-gp-evm.dts @@ -83,17 +83,6 @@ 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 = <&gpio5 8 GPIO_ACTIVE_HIGH>; - panel-timing { clock-frequency = <33000000>; hactive = <800>; @@ -270,7 +259,7 @@ >; }; - lcd_pins: lcd_pins { + display_mux_pins: display_mux_pins { pinctrl-single,pins = < /* GPIO 5_8 to select LCD / HDMI */ 0x238 (PIN_OUTPUT_PULLUP | MUX_MODE7) @@ -558,8 +547,22 @@ }; &gpio5 { + pinctrl-names = "default"; + pinctrl-0 = <&display_mux_pins>; status = "okay"; ti,no-reset-on-init; + + p8 { + /* + * 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 = <8 GPIO_ACTIVE_HIGH>; + output-high; + line-name = "SelLCDorHDMI"; + }; }; &mmc1 { |