diff options
Diffstat (limited to 'arch/arm/boot/dts/gemini-dlink-dir-685.dts')
| -rw-r--r-- | arch/arm/boot/dts/gemini-dlink-dir-685.dts | 67 |
1 files changed, 64 insertions, 3 deletions
diff --git a/arch/arm/boot/dts/gemini-dlink-dir-685.dts b/arch/arm/boot/dts/gemini-dlink-dir-685.dts index e75e2d44371c..cadde92bc6b5 100644 --- a/arch/arm/boot/dts/gemini-dlink-dir-685.dts +++ b/arch/arm/boot/dts/gemini-dlink-dir-685.dts @@ -45,6 +45,47 @@ }; }; + vdisp: regulator { + compatible = "regulator-fixed"; + regulator-name = "display-power"; + regulator-min-microvolt = <3600000>; + regulator-max-microvolt = <3600000>; + /* Collides with LCD E */ + gpio = <&gpio0 16 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + spi { + compatible = "spi-gpio"; + #address-cells = <1>; + #size-cells = <0>; + + /* Collides with IDE pins, that's cool (we do not use them) */ + gpio-sck = <&gpio1 5 GPIO_ACTIVE_HIGH>; + gpio-miso = <&gpio1 8 GPIO_ACTIVE_HIGH>; + gpio-mosi = <&gpio1 7 GPIO_ACTIVE_HIGH>; + /* Collides with pflash CE1, not so cool */ + cs-gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>; + num-chipselects = <1>; + + panel: display@0 { + compatible = "dlink,dir-685-panel", "ilitek,ili9322"; + reg = <0>; + /* 50 ns min period = 20 MHz */ + spi-max-frequency = <20000000>; + spi-cpol; /* Clock active low */ + vcc-supply = <&vdisp>; + iovcc-supply = <&vdisp>; + vci-supply = <&vdisp>; + + port { + panel_in: endpoint { + remote-endpoint = <&display_out>; + }; + }; + }; + }; + leds { compatible = "gpio-leds"; led-wps { @@ -99,8 +140,8 @@ gpio-i2c { compatible = "i2c-gpio"; /* Collides with ICE */ - gpios = <&gpio0 5 0>, /* SDA */ - <&gpio0 6 0>; /* SCL */ + sda-gpios = <&gpio0 5 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>; + scl-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>; #address-cells = <1>; #size-cells = <0>; @@ -115,7 +156,16 @@ soc { flash@30000000 { - status = "okay"; + /* + * Flash access is by default disabled, because it + * collides with the Chip Enable signal for the display + * panel, that reuse the parallel flash Chip Select 1 + * (CS1). Enabling flash makes graphics stop working. + * + * We might be able to hack around this by letting + * GPIO poke around in the flash controller registers. + */ + /* status = "okay"; */ /* 32MB of flash */ reg = <0x30000000 0x02000000>; @@ -242,5 +292,16 @@ ata@63000000 { status = "okay"; }; + + display-controller@6a000000 { + status = "okay"; + + port@0 { + reg = <0>; + display_out: endpoint { + remote-endpoint = <&panel_in>; + }; + }; + }; }; }; |