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dt-bindings: msm/hdmi: Add HDMI PHY bindings 

Add HDMI PHY bindings. Update the example to use HDMI PHY.

Added a missing power-domains property in the HDMI core bindings. Also,
simplified HDMI TX's DT node name in the example.

Cc: devicetree@vger.kernel.org
Cc: Rob Herring <robh@kernel.org>

Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Archit Taneja 2016-02-25 11:22:45 +05:30 committed by Rob Clark
parent e17afdceb4
commit f31d12af95
1 changed files with 44 additions and 2 deletions
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46
Documentation/devicetree/bindings/display/msm/hdmi.txt
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@ -11,6 +11,7 @@ Required properties:
- reg: Physical base address and length of the controller's registers
- reg-names: "core_physical"
- interrupts: The interrupt signal from the hdmi block.
- power-domains: Should be <&mmcc MDSS_GDSC>.
- clocks: device clocks
See ../clocks/clock-bindings.txt for details.
- qcom,hdmi-tx-ddc-clk-gpio: ddc clk pin
@ -18,6 +19,8 @@ Required properties:
- qcom,hdmi-tx-hpd-gpio: hpd pin
- core-vdda-supply: phandle to supply regulator
- hdmi-mux-supply: phandle to mux regulator
- phys: the phandle for the HDMI PHY device
- phy-names: the name of the corresponding PHY device
Optional properties:
- qcom,hdmi-tx-mux-en-gpio: hdmi mux enable pin
@ -27,15 +30,38 @@ Optional properties:
- pinctrl-0: the default pinctrl state (active)
- pinctrl-1: the "sleep" pinctrl state
HDMI PHY:
Required properties:
- compatible: Could be the following
* "qcom,hdmi-phy-8660"
* "qcom,hdmi-phy-8960"
* "qcom,hdmi-phy-8974"
* "qcom,hdmi-phy-8084"
* "qcom,hdmi-phy-8996"
- #phy-cells: Number of cells in a PHY specifier; Should be 0.
- reg: Physical base address and length of the registers of the PHY sub blocks.
- reg-names: The names of register regions. The following regions are required:
* "hdmi_phy"
* "hdmi_pll"
For HDMI PHY on msm8996, these additional register regions are required:
* "hdmi_tx_l0"
* "hdmi_tx_l1"
* "hdmi_tx_l3"
* "hdmi_tx_l4"
- power-domains: Should be <&mmcc MDSS_GDSC>.
- clocks: device clocks
See Documentation/devicetree/bindings/clocks/clock-bindings.txt for details.
- core-vdda-supply: phandle to vdda regulator device node
Example:
/ {
...
hdmi: qcom,hdmi-tx-8960@4a00000 {
hdmi: hdmi@4a00000 {
compatible = "qcom,hdmi-tx-8960";
reg-names = "core_physical";
reg = <0x04a00000 0x1000>;
reg = <0x04a00000 0x2f0>;
interrupts = <GIC_SPI 79 0>;
power-domains = <&mmcc MDSS_GDSC>;
clock-names =
@ -54,5 +80,21 @@ Example:
pinctrl-names = "default", "sleep";
pinctrl-0 = <&hpd_active &ddc_active &cec_active>;
pinctrl-1 = <&hpd_suspend &ddc_suspend &cec_suspend>;
phys = <&hdmi_phy>;
phy-names = "hdmi_phy";
};
hdmi_phy: phy@4a00400 {
compatible = "qcom,hdmi-phy-8960";
reg-names = "hdmi_phy",
"hdmi_pll";
reg = <0x4a00400 0x60>,
<0x4a00500 0x100>;
#phy-cells = <0>;
power-domains = <&mmcc MDSS_GDSC>;
clock-names = "slave_iface_clk";
clocks = <&mmcc HDMI_S_AHB_CLK>;
core-vdda-supply = <&pm8921_hdmi_mvs>;
};
};