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@xxxxxxxxx>
---
arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts | 74 ++++++++++++++---------
1 file changed, 45 insertions(+), 29 deletions(-)
diff --git a/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts b/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts
index 60831b8..f926eaa 100644
--- 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 */
>;
};
};
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
