Add HDMI tx and phy nodes to support an external display that can be
connected over the SlimPort. This is based on work from Jonathan Marek.
Signed-off-by: Brian Masney
---
The hdmi-tx node in the downstream MSM sources:
https://github.com/AICP/kernel_lge_hammerhead/blob/n7.1/arch/arm/boot/dts/msm8974-mdss.dtsi#L101
arch/arm/boot/dts/qcom-msm8974.dtsi | 80 +
1 file changed, 80 insertions(+)
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi
b/arch/arm/boot/dts/qcom-msm8974.dtsi
index 369e58f64145..35c51336a9d4 100644
--- a/arch/arm/boot/dts/qcom-msm8974.dtsi
+++ b/arch/arm/boot/dts/qcom-msm8974.dtsi
@@ -1139,6 +1139,13 @@
port@0 {
reg = <0>;
+ mdp5_intf3_out: endpoint {
+ remote-endpoint =
<_in>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
mdp5_intf1_out: endpoint {
remote-endpoint =
<_in>;
};
@@ -1216,6 +1223,79 @@
clocks = < MDSS_AHB_CLK>;
clock-names = "iface";
};
+
+ hdmi: hdmi-tx@fd922100 {
+ status = "disabled";
+
+ compatible = "qcom,hdmi-tx-8974";
+ reg = <0xfd922100 0x35c>,
+ <0xfc4b8000 0x60f0>;
+ reg-names = "core_physical",
+ "qfprom_physical";
+
+ interrupt-parent = <>;
+ interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
+
+ power-domains = < MDSS_GDSC>;
+
+ clocks = < MDSS_MDP_CLK>,
+< MDSS_AHB_CLK>,
+< MDSS_HDMI_CLK>,
+< MDSS_HDMI_AHB_CLK>,
+< MDSS_EXTPCLK_CLK>;
+ clock-names = "mdp_core",
+ "iface",
+ "core",
+ "alt_iface",
+ "extp";
+
+ hpd-5v-supply = <_5vs2>;
+ core-vdda-supply = <_l12>;
+ core-vcc-supply = <_s3>;
+
+ /*
+* FIXME - drivers/gpu/drm/msm/hdmi/hdmi.c via
hpd_reg_names_8x74
+* looks for hpd-gdsc-supply. What should be
used here? Shouldn't
+* this functionality be provided by the
power-domains above?
+*/
+
+ phys = <_phy>;
+ phy-names = "hdmi_phy";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ hdmi_in: endpoint {
+ remote-endpoint =
<_intf3_out>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ };
+ };
+ };
+
+ hdmi_phy: hdmi-phy@fd922500 {
+ status = "disabled";
+
+ compatible = "qcom,hdmi-phy-8974";
+ reg = <0xfd922500 0x7c>;
+ reg-names = "hdmi_phy";
+
+ clocks = < MDSS_AHB_CLK>,
+< MDSS_HDMI_AHB_CLK>;
+ clock-names = "iface",
+ "alt_iface";
+
+ core-vdda-supply = <_l12>;
+ vddio-supply = <_s3>;
+
+ #phy-cells = <0>;
+ };
};
};
--
2.21.0
