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-rw-r--r--dts/src/arm/ste-nomadik-nhk15.dts85
1 files changed, 51 insertions, 34 deletions
diff --git a/dts/src/arm/ste-nomadik-nhk15.dts b/dts/src/arm/ste-nomadik-nhk15.dts
index 12afdc7..04066f9 100644
--- a/dts/src/arm/ste-nomadik-nhk15.dts
+++ b/dts/src/arm/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>;