ARM: dts: overo: Add support for DVI output

Summit and Tobi expansion boards have a HDMI connector with a TFP410
encoder. Add a common include file for this configuration, and then
use it for Summit and Tobi.

Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/omap3-overo-common-dvi.dtsi b/arch/arm/boot/dts/omap3-overo-common-dvi.dtsi
new file mode 100644 (file)
index 0000000..802f704
--- /dev/null
+++ b/arch/arm/boot/dts/omap3-overo-common-dvi.dtsi
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2014 Florian Vaussard, EPFL Mobots group
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/*
+ * DVI output for some Gumstix Overo boards (Tobi and Summit)
+ */
+
+&omap3_pmx_core {
+       dss_dpi_pins: pinmux_dss_dpi_pins {
+               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(0x20dc, PIN_OUTPUT | MUX_MODE0)       /* dss_data0.dss_data0 */
+                       OMAP3_CORE1_IOPAD(0x20de, PIN_OUTPUT | MUX_MODE0)       /* dss_data1.dss_data1 */
+                       OMAP3_CORE1_IOPAD(0x20e0, PIN_OUTPUT | MUX_MODE0)       /* dss_data2.dss_data2 */
+                       OMAP3_CORE1_IOPAD(0x20e2, PIN_OUTPUT | MUX_MODE0)       /* dss_data3.dss_data3 */
+                       OMAP3_CORE1_IOPAD(0x20e4, PIN_OUTPUT | MUX_MODE0)       /* dss_data4.dss_data4 */
+                       OMAP3_CORE1_IOPAD(0x20e6, PIN_OUTPUT | MUX_MODE0)       /* dss_data5.dss_data5 */
+                       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_MODE0)       /* dss_data18.dss_data18 */
+                       OMAP3_CORE1_IOPAD(0x2102, PIN_OUTPUT | MUX_MODE0)       /* dss_data19.dss_data19 */
+                       OMAP3_CORE1_IOPAD(0x2104, PIN_OUTPUT | MUX_MODE0)       /* dss_data20.dss_data20 */
+                       OMAP3_CORE1_IOPAD(0x2106, PIN_OUTPUT | MUX_MODE0)       /* dss_data21.dss_data21 */
+                       OMAP3_CORE1_IOPAD(0x2108, PIN_OUTPUT | MUX_MODE0)       /* dss_data22.dss_data22 */
+                       OMAP3_CORE1_IOPAD(0x210a, PIN_OUTPUT | MUX_MODE0)       /* dss_data23.dss_data23 */
+               >;
+       };
+};
+
+/* Needed to power the DPI pins */
+&vpll2 {
+       regulator-always-on;
+};
+
+&dss {
+       status = "ok";
+
+       pinctrl-names = "default";
+       pinctrl-0 = <&dss_dpi_pins>;
+
+       port {
+               dpi_out: endpoint {
+                       remote-endpoint = <&tfp410_in>;
+                       data-lines = <24>;
+               };
+       };
+};
+
+/ {
+       aliases {
+               display0 = &dvi0;
+       };
+
+       tfp410: encoder@0 {
+               compatible = "ti,tfp410";
+
+               ports {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       port@0 {
+                               reg = <0>;
+
+                               tfp410_in: endpoint@0 {
+                                       remote-endpoint = <&dpi_out>;
+                               };
+                       };
+
+                       port@1 {
+                               reg = <1>;
+
+                               tfp410_out: endpoint@0 {
+                                       remote-endpoint = <&dvi_connector_in>;
+                               };
+                       };
+               };
+       };
+
+       dvi0: connector@0 {
+               compatible = "dvi-connector";
+               label = "dvi";
+
+               digital;
+               ddc-i2c-bus = <&i2c3>;
+
+               port {
+                       dvi_connector_in: endpoint {
+                               remote-endpoint = <&tfp410_out>;
+                       };
+               };
+       };
+};
+

diff --git a/arch/arm/boot/dts/omap3-overo-summit-common.dtsi b/arch/arm/boot/dts/omap3-overo-summit-common.dtsi
index 999d1cd4a09faeffba6e392453ba078a951cb63a..0ac97ba985499902ea04bedccb7c597919e4cd79 100644 (file)
--- a/arch/arm/boot/dts/omap3-overo-summit-common.dtsi
+++ b/arch/arm/boot/dts/omap3-overo-summit-common.dtsi
@@ -11,6 +11,7 @@
  */
 
 #include "omap3-overo-common-peripherals.dtsi"
+#include "omap3-overo-common-dvi.dtsi"
 
 / {
        leds {

diff --git a/arch/arm/boot/dts/omap3-overo-tobi-common.dtsi b/arch/arm/boot/dts/omap3-overo-tobi-common.dtsi
index 13df50b394423c11a67319e15374f9edc7a86259..9e24b6a1d07b8e4d02b6d0704858680015f0069b 100644 (file)
--- a/arch/arm/boot/dts/omap3-overo-tobi-common.dtsi
+++ b/arch/arm/boot/dts/omap3-overo-tobi-common.dtsi
@@ -11,6 +11,7 @@
  */
 
 #include "omap3-overo-common-peripherals.dtsi"
+#include "omap3-overo-common-dvi.dtsi"
 
 / {
        leds {