From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: [PATCH 5/6] ARM: dts: omap4-droid4: Add HDMI support Date: Sat, 4 Mar 2017 21:43:58 -0800 Message-ID: <20170305054359.8293-6-tony@atomide.com> References: <20170305054359.8293-1-tony@atomide.com> Return-path: In-Reply-To: <20170305054359.8293-1-tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: =?UTF-8?q?Beno=C3=AEt=20Cousson?= , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Marcel Partap , Michael Scott , Sebastian Reichel , Tomi Valkeinen List-Id: devicetree@vger.kernel.org We can get HDMI working as long as the 5V regulator is on. There is probably an encoder chip there too, but so far no idea what it might be. Let's keep the 5V HDMI regulator always enabled for now as otherwise we cannot detect the monitor properly. Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Marcel Partap Cc: Michael Scott Cc: Sebastian Reichel Cc: Tomi Valkeinen Signed-off-by: Tony Lindgren --- arch/arm/boot/dts/omap4-droid4-xt894.dts | 65 ++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) diff --git a/arch/arm/boot/dts/omap4-droid4-xt894.dts b/arch/arm/boot/dts/omap4-droid4-xt894.dts --- a/arch/arm/boot/dts/omap4-droid4-xt894.dts +++ b/arch/arm/boot/dts/omap4-droid4-xt894.dts @@ -35,6 +35,37 @@ gpios = <&gpio2 18 GPIO_ACTIVE_LOW>; /* gpio50 */ }; + hdmi0: connector { + compatible = "hdmi-connector"; + pinctrl-0 = <&hdmi_hpd_gpio>; + pinctrl-names = "default"; + label = "hdmi"; + type = "d"; + + hpd-gpios = <&gpio2 31 GPIO_ACTIVE_HIGH>; /* gpio63 */ + + port { + hdmi_connector_in: endpoint { + remote-endpoint = <&hdmi_out>; + }; + }; + }; + + /* + * HDMI 5V regulator probably sourced from battery. Let's keep + * keep this as always enabled for HDMI to work until we've + * figured what the encoder chip is. + */ + hdmi_regulator: regulator-hdmi { + compatible = "regulator-fixed"; + regulator-name = "hdmi"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&gpio2 27 GPIO_ACTIVE_HIGH>; /* gpio59 */ + enable-active-high; + regulator-always-on; + }; + /* This is probably coming straight from the battery.. */ wl12xx_vmmc: regulator-wl12xx { compatible = "regulator-fixed"; @@ -67,6 +98,10 @@ }; }; +&dss { + status = "okay"; +}; + &gpio6 { touchscreen_reset { gpio-hog; @@ -81,6 +116,20 @@ status = "disabled"; }; +&hdmi { + status = "okay"; + pinctrl-0 = <&dss_hdmi_pins>; + pinctrl-names = "default"; + vdda-supply = <&vdac>; + + port { + hdmi_out: endpoint { + remote-endpoint = <&hdmi_connector_in>; + lanes = <1 0 3 2 5 4 7 6>; + }; + }; +}; + &i2c1 { tmp105@48 { compatible = "ti,tmp105"; @@ -249,6 +298,22 @@ &omap4_pmx_core { + /* hdmi_hpd.gpio_63 */ + hdmi_hpd_gpio: pinmux_hdmi_hpd_pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x098, PIN_INPUT | MUX_MODE3) + >; + }; + + /* hdmi_cec.hdmi_cec, hdmi_scl.hdmi_scl, hdmi_sda.hdmi_sda */ + dss_hdmi_pins: pinmux_dss_hdmi_pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x09a, PIN_INPUT_PULLUP | MUX_MODE0) + OMAP4_IOPAD(0x09c, PIN_INPUT | MUX_MODE0) + OMAP4_IOPAD(0x09e, PIN_INPUT | MUX_MODE0) + >; + }; + /* gpmc_ncs0.gpio_50 */ poweroff_gpio: pinmux_poweroff_pins { pinctrl-single,pins = < -- 2.11.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html