ARM: dts: LogicPD Torpedo: Fix Panel Sleep

Setup regulator and fix pin muxing to allow Panel to sleep and
wake from sleep for some low power improvements.

Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts b/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts
index 60831b8973f97776a69ef4435df1629d807b37ef..f926eaa990d6c52b1da862310fff9f5d8523d1e8 100644 (file)
--- a/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts
+++ b/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts
@@ -111,6 +111,7 @@
 &dss {
        status = "ok";
        vdds_dsi-supply = <&vpll2>;
+       vdda_video-supply = <&video_reg>;
        pinctrl-names = "default";
        pinctrl-0 = <&dss_dpi_pins1>;
        port {
@@ -126,13 +127,22 @@
                display0 = &lcd0;
        };
 
+       video_reg: video_reg {
+               pinctrl-names = "default";
+               pinctrl-0 = <&panel_pwr_pins>;
+               compatible = "regulator-fixed";
+               regulator-name = "fixed-supply";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               gpio = <&gpio5 27 GPIO_ACTIVE_HIGH>;    /* gpio155, lcd INI */
+       };
+
        lcd0: display@0 {
                compatible = "panel-dpi";
                label = "15";
                status = "okay";
                /* default-on; */
                pinctrl-names = "default";
-               enable-gpios = <&gpio5 27 GPIO_ACTIVE_HIGH>;    /* gpio155, lcd INI */
 
                port {
                        lcd_in: endpoint {
@@ -162,8 +172,8 @@
                pinctrl-names = "default";
                pinctrl-0 = <&backlight_pins>;
 
-               gpios = <&gpio2 24 GPIO_ACTIVE_HIGH>, /* gpio_56 */
-                       <&gpio5 26 GPIO_ACTIVE_HIGH>; /* gpio_154 */
+               gpios = <&gpio5 26 GPIO_ACTIVE_HIGH>, /* gpio_154 */
+                       <&gpio2 24 GPIO_ACTIVE_HIGH>; /* gpio_56 */
                default-on;
        };
 };
@@ -212,8 +222,8 @@
 
        backlight_pins: pinmux_backlight_pins {
                pinctrl-single,pins = <
-                       OMAP3_CORE1_IOPAD(0x20B8, PIN_OUTPUT | MUX_MODE4)       /* gpmc_ncs5.gpio_56 */
-                       OMAP3_CORE1_IOPAD(0x2188, PIN_OUTPUT | MUX_MODE4)       /* mcbsp4_dx.gpio_154 */
+                       OMAP3_CORE1_IOPAD(0x20B8, PIN_OUTPUT | PIN_OFF_OUTPUT_LOW | MUX_MODE4)       /* gpmc_ncs5.gpio_56 */
+                       OMAP3_CORE1_IOPAD(0x2188, PIN_OUTPUT | PIN_OFF_OUTPUT_LOW | MUX_MODE4)       /* mcbsp4_dx.gpio_154 */
                >;
        };
 
@@ -235,32 +245,38 @@
                >;
        };
 
+       panel_pwr_pins: pinmux_panel_pwr_pins {
+               pinctrl-single,pins = <
+                       OMAP3_CORE1_IOPAD(0x218a, PIN_OUTPUT | PIN_OFF_OUTPUT_LOW | MUX_MODE4)       /* mcbsp4_fs.gpio_155 */
+               >;
+       };
+
        dss_dpi_pins1: pinmux_dss_dpi_pins1 {
                pinctrl-single,pins = <
-                       OMAP3_CORE1_IOPAD(0x20d4, PIN_OUTPUT | MUX_MODE0)   /* dss_pclk.dss_pclk */
-                       OMAP3_CORE1_IOPAD(0x20d6, PIN_OUTPUT | MUX_MODE0)   /* dss_hsync.dss_hsync */
-                       OMAP3_CORE1_IOPAD(0x20d8, PIN_OUTPUT | MUX_MODE0)   /* dss_vsync.dss_vsync */
-                       OMAP3_CORE1_IOPAD(0x20da, PIN_OUTPUT | MUX_MODE0)   /* dss_acbias.dss_acbias */
-
-                       OMAP3_CORE1_IOPAD(0x20e8, PIN_OUTPUT | MUX_MODE0)   /* dss_data6.dss_data6 */
-                       OMAP3_CORE1_IOPAD(0x20ea, PIN_OUTPUT | MUX_MODE0)   /* dss_data7.dss_data7 */
-                       OMAP3_CORE1_IOPAD(0x20ec, PIN_OUTPUT | MUX_MODE0)   /* dss_data8.dss_data8 */
-                       OMAP3_CORE1_IOPAD(0x20ee, PIN_OUTPUT | MUX_MODE0)   /* dss_data9.dss_data9 */
-                       OMAP3_CORE1_IOPAD(0x20f0, PIN_OUTPUT | MUX_MODE0)   /* dss_data10.dss_data10 */
-                       OMAP3_CORE1_IOPAD(0x20f2, PIN_OUTPUT | MUX_MODE0)   /* dss_data11.dss_data11 */
-                       OMAP3_CORE1_IOPAD(0x20f4, PIN_OUTPUT | MUX_MODE0)   /* dss_data12.dss_data12 */
-                       OMAP3_CORE1_IOPAD(0x20f6, PIN_OUTPUT | MUX_MODE0)   /* dss_data13.dss_data13 */
-                       OMAP3_CORE1_IOPAD(0x20f8, PIN_OUTPUT | MUX_MODE0)   /* dss_data14.dss_data14 */
-                       OMAP3_CORE1_IOPAD(0x20fa, PIN_OUTPUT | MUX_MODE0)   /* dss_data15.dss_data15 */
-                       OMAP3_CORE1_IOPAD(0x20fc, PIN_OUTPUT | MUX_MODE0)   /* dss_data16.dss_data16 */
-                       OMAP3_CORE1_IOPAD(0x20fe, PIN_OUTPUT | MUX_MODE0)   /* dss_data17.dss_data17 */
-
-                       OMAP3_CORE1_IOPAD(0x2100, PIN_OUTPUT | MUX_MODE3)   /* dss_data18.dss_data0 */
-                       OMAP3_CORE1_IOPAD(0x2102, PIN_OUTPUT | MUX_MODE3)   /* dss_data19.dss_data1 */
-                       OMAP3_CORE1_IOPAD(0x2104, PIN_OUTPUT | MUX_MODE3)   /* dss_data20.dss_data2 */
-                       OMAP3_CORE1_IOPAD(0x2106, PIN_OUTPUT | MUX_MODE3)   /* dss_data21.dss_data3 */
-                       OMAP3_CORE1_IOPAD(0x2108, PIN_OUTPUT | MUX_MODE3)   /* dss_data22.dss_data4 */
-                       OMAP3_CORE1_IOPAD(0x210a, PIN_OUTPUT | MUX_MODE3)   /* dss_data23.dss_data5 */
+                       OMAP3_CORE1_IOPAD(0x20d4, PIN_OUTPUT_PULLDOWN | PIN_OFF_OUTPUT_LOW | MUX_MODE0)   /* dss_pclk.dss_pclk */
+                       OMAP3_CORE1_IOPAD(0x20d6, PIN_OUTPUT_PULLDOWN | PIN_OFF_OUTPUT_LOW | MUX_MODE0)   /* dss_hsync.dss_hsync */
+                       OMAP3_CORE1_IOPAD(0x20d8, PIN_OUTPUT_PULLDOWN | PIN_OFF_OUTPUT_LOW | MUX_MODE0)   /* dss_vsync.dss_vsync */
+                       OMAP3_CORE1_IOPAD(0x20da, PIN_OUTPUT_PULLDOWN | PIN_OFF_OUTPUT_LOW | MUX_MODE0)   /* dss_acbias.dss_acbias */
+
+                       OMAP3_CORE1_IOPAD(0x20e8, PIN_OUTPUT_PULLDOWN | PIN_OFF_OUTPUT_LOW | MUX_MODE0)   /* dss_data6.dss_data6 */
+                       OMAP3_CORE1_IOPAD(0x20ea, PIN_OUTPUT_PULLDOWN | PIN_OFF_OUTPUT_LOW | MUX_MODE0)   /* dss_data7.dss_data7 */
+                       OMAP3_CORE1_IOPAD(0x20ec, PIN_OUTPUT_PULLDOWN | PIN_OFF_OUTPUT_LOW | MUX_MODE0)   /* dss_data8.dss_data8 */
+                       OMAP3_CORE1_IOPAD(0x20ee, PIN_OUTPUT_PULLDOWN | PIN_OFF_OUTPUT_LOW | MUX_MODE0)   /* dss_data9.dss_data9 */
+                       OMAP3_CORE1_IOPAD(0x20f0, PIN_OUTPUT_PULLDOWN | PIN_OFF_OUTPUT_LOW | MUX_MODE0)   /* dss_data10.dss_data10 */
+                       OMAP3_CORE1_IOPAD(0x20f2, PIN_OUTPUT_PULLDOWN | PIN_OFF_OUTPUT_LOW | MUX_MODE0)   /* dss_data11.dss_data11 */
+                       OMAP3_CORE1_IOPAD(0x20f4, PIN_OUTPUT_PULLDOWN | PIN_OFF_OUTPUT_LOW | MUX_MODE0)   /* dss_data12.dss_data12 */
+                       OMAP3_CORE1_IOPAD(0x20f6, PIN_OUTPUT_PULLDOWN | PIN_OFF_OUTPUT_LOW | MUX_MODE0)   /* dss_data13.dss_data13 */
+                       OMAP3_CORE1_IOPAD(0x20f8, PIN_OUTPUT_PULLDOWN | PIN_OFF_OUTPUT_LOW | MUX_MODE0)   /* dss_data14.dss_data14 */
+                       OMAP3_CORE1_IOPAD(0x20fa, PIN_OUTPUT_PULLDOWN | PIN_OFF_OUTPUT_LOW | MUX_MODE0)   /* dss_data15.dss_data15 */
+                       OMAP3_CORE1_IOPAD(0x20fc, PIN_OUTPUT_PULLDOWN | PIN_OFF_OUTPUT_LOW | MUX_MODE0)   /* dss_data16.dss_data16 */
+                       OMAP3_CORE1_IOPAD(0x20fe, PIN_OUTPUT_PULLDOWN | PIN_OFF_OUTPUT_LOW | MUX_MODE0)   /* dss_data17.dss_data17 */
+
+                       OMAP3_CORE1_IOPAD(0x2100, PIN_OUTPUT_PULLDOWN | PIN_OFF_OUTPUT_LOW | MUX_MODE3)   /* dss_data18.dss_data0 */
+                       OMAP3_CORE1_IOPAD(0x2102, PIN_OUTPUT_PULLDOWN | PIN_OFF_OUTPUT_LOW | MUX_MODE3)   /* dss_data19.dss_data1 */
+                       OMAP3_CORE1_IOPAD(0x2104, PIN_OUTPUT_PULLDOWN | PIN_OFF_OUTPUT_LOW | MUX_MODE3)   /* dss_data20.dss_data2 */
+                       OMAP3_CORE1_IOPAD(0x2106, PIN_OUTPUT_PULLDOWN | PIN_OFF_OUTPUT_LOW | MUX_MODE3)   /* dss_data21.dss_data3 */
+                       OMAP3_CORE1_IOPAD(0x2108, PIN_OUTPUT_PULLDOWN | PIN_OFF_OUTPUT_LOW | MUX_MODE3)   /* dss_data22.dss_data4 */
+                       OMAP3_CORE1_IOPAD(0x210a, PIN_OUTPUT_PULLDOWN | PIN_OFF_OUTPUT_LOW | MUX_MODE3)   /* dss_data23.dss_data5 */
                >;
        };
 };