diff options
Diffstat (limited to 'arch/arm/boot/dts/ste-nomadik-nhk15.dts')
| -rw-r--r-- | arch/arm/boot/dts/ste-nomadik-nhk15.dts | 85 |
1 files changed, 51 insertions, 34 deletions
diff --git a/arch/arm/boot/dts/ste-nomadik-nhk15.dts b/arch/arm/boot/dts/ste-nomadik-nhk15.dts index 12afdc7467e7..04066f9cb8a3 100644 --- a/arch/arm/boot/dts/ste-nomadik-nhk15.dts +++ b/arch/arm/boot/dts/ste-nomadik-nhk15.dts @@ -1,7 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Device Tree for the ST-Ericsson Nomadik S8815 board - * Produced by Calao Systems + * Device Tree for the ST Microelectronics Nomadik NHK8815 board */ /dts-v1/; @@ -182,43 +181,12 @@ pinctrl-names = "default"; pinctrl-0 = <&clcd_24bit_mux>; port { - nomadik_clcd_pads: endpoint { + nomadik_clcd: endpoint { remote-endpoint = <&nomadik_clcd_panel>; arm,pl11x,tft-r0g0b0-pads = <16 8 0>; }; }; - /* - * WVGA connector 21 - * WVGA (800x480): 4.3" TPG110 TDO43MTEA2 24-bit RGB - * with TPO touch screen. - */ - panel { - compatible = "tpo,tpg110", "panel-dpi"; - grestb-gpios = <&stmpe_gpio44 5 GPIO_ACTIVE_LOW>; - scen-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>; - scl-gpios = <&gpio0 5 GPIO_ACTIVE_HIGH>; - sda-gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>; - backlight = <&bl>; - - port { - nomadik_clcd_panel: endpoint { - remote-endpoint = <&nomadik_clcd_pads>; - }; - }; - - panel-timing { - clock-frequency = <33200000>; - hactive = <800>; - hback-porch = <216>; - hfront-porch = <40>; - hsync-len = <1>; - vactive = <480>; - vback-porch = <35>; - vfront-porch = <10>; - vsync-len = <1>; - }; - }; }; /* Activate RX/TX and CTS/RTS on UART 0 */ @@ -233,6 +201,55 @@ }; }; + spi { + compatible = "spi-gpio"; + #address-cells = <1>; + #size-cells = <0>; + + /* + * As we're dealing with 3wire SPI, we only define SCK + * and MOSI (in the spec MOSI is called "SDA"). + */ + gpio-sck = <&gpio0 5 GPIO_ACTIVE_HIGH>; + gpio-mosi = <&gpio0 4 GPIO_ACTIVE_HIGH>; + /* + * It's not actually active high, but the frameworks assume + * the polarity of the passed-in GPIO is "normal" (active + * high) then actively drives the line low to select the + * chip. + */ + cs-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>; + num-chipselects = <1>; + + /* + * WVGA connector 21 + * WVGA (800x480): 4.3" TPG110 TDO43MTEA2 24-bit RGB + * with TPO touch screen. + */ + panel: display@0 { + /* + * The TPO display driver is connected to a + * 5.7" OSD OSD057VA01CT TFT display. + */ + compatible = "tpo,tpg110"; + reg = <0>; + spi-3wire; + /* 320 ns min period ~= 3 MHz */ + spi-max-frequency = <3000000>; + /* Width and height from the OSD data sheet */ + width-mm = <116>; + height-mm = <87>; + grestb-gpios = <&stmpe_gpio44 5 GPIO_ACTIVE_LOW>; + backlight = <&bl>; + + port { + nomadik_clcd_panel: endpoint { + remote-endpoint = <&nomadik_clcd>; + }; + }; + }; + }; + bl: backlight { compatible = "pwm-backlight"; pwms = <&stmpe0_pwm 0 500000>; |