Update device tree binding documentation for hdmi subsystem with the clock information, phy property information and compatible strings for exynos5420.
Signed-off-by: Rahul Sharma rahul.sharma@samsung.com --- .../devicetree/bindings/video/exynos_hdmi.txt | 19 +++++++++++++++++++ .../devicetree/bindings/video/exynos_hdmiphy.txt | 10 ++++++++-- .../devicetree/bindings/video/exynos_mixer.txt | 7 +++++++ 3 files changed, 34 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/video/exynos_hdmi.txt b/Documentation/devicetree/bindings/video/exynos_hdmi.txt index 2ac01ca..e3c5853 100644 --- a/Documentation/devicetree/bindings/video/exynos_hdmi.txt +++ b/Documentation/devicetree/bindings/video/exynos_hdmi.txt @@ -4,6 +4,7 @@ Required properties: - compatible: value should be one among the following: 1) "samsung,exynos4210-hdmi" 2) "samsung,exynos4212-hdmi" + 3) "samsung,exynos5420-hdmi" - reg: physical base address of the hdmi and length of memory mapped region. - interrupts: interrupt number to the cpu. @@ -13,6 +14,20 @@ Required properties: c) pin function mode. d) optional flags and pull up/down. e) drive strength. +- clocks: list of clock IDs from SoC clock driver. + a) hdmi: It is required for gate operation on aclk_200_disp1 clock + which clocks the display1 block. + b) sclk_hdmi: It is required for gate operation on sclk_hdmi clock + which clocks hdmi IP. + c) sclk_pixel: Parent for mux mout_hdmi. + d) sclk_hdmiphy: Parent for mux mout_hdmi. + e) mout_hdmi: It is required by the driver to switch between the 2 + parents i.e. sclk_pixel and sclk_hdmiphy. If hdmiphy is stable + after configuration, parent is set to sclk_hdmiphy else + sclk_pixel. +- clock-names: aliases as per driver requirements for above clock IDs: + "hdmi", "sclk_hdmi", "sclk_pixel", "sclk_hdmiphy" and "mout_hdmi". +- phy: this property holds the phandle for hdmiphy node.
Example:
@@ -21,4 +36,8 @@ Example: reg = <0x14530000 0x100000>; interrupts = <0 95 0>; hpd-gpio = <&gpx3 7 0xf 1 3>; + clocks = <&clock 344>, <&clock 136>, <&clock 137>, + <&clock 157>, <&clock 1024>; + clock-names = "hdmi", "sclk_hdmi", "sclk_pixel", + "sclk_hdmiphy", "mout_hdmi"; }; diff --git a/Documentation/devicetree/bindings/video/exynos_hdmiphy.txt b/Documentation/devicetree/bindings/video/exynos_hdmiphy.txt index fb688a6..e2b12ed 100644 --- a/Documentation/devicetree/bindings/video/exynos_hdmiphy.txt +++ b/Documentation/devicetree/bindings/video/exynos_hdmiphy.txt @@ -1,8 +1,14 @@ Device-Tree bindings for hdmiphy driver
Required properties: -- compatible: value should be "samsung,exynos4210-hdmiphy". -- reg: I2C address of the hdmiphy device. +- compatible: value should be one among the following + 1) Samsung,exynos4210-hdmiphy". + 2) Samsung,exynos5420-hdmiphy". + +- reg: it holds the physical address infomration for the hdmiphy device. + If it is a i2c device, reg holds the I2C address of the phy. For + platform bus mapped phy, reg property holds physical address as + well as size of the register region.
Example:
diff --git a/Documentation/devicetree/bindings/video/exynos_mixer.txt b/Documentation/devicetree/bindings/video/exynos_mixer.txt index a8b063f..38e4e5c 100644 --- a/Documentation/devicetree/bindings/video/exynos_mixer.txt +++ b/Documentation/devicetree/bindings/video/exynos_mixer.txt @@ -4,10 +4,15 @@ Required properties: - compatible: value should be: 1) "samsung,exynos4210-mixer" 2) "samsung,exynos5250-mixer" + 3) "samsung,exynos5420-mixer"
- reg: physical base address of the mixer and length of memory mapped region. - interrupts: interrupt number to the cpu. +- clocks: list of clock IDs from SoC clock driver. + a) mixer: It is required for gate operation on aclk_200_disp1 clock + which clocks the display1 block. + b) sclk_hdmi: Parent for mux mout_mixer.
Example:
@@ -15,4 +20,6 @@ Example: compatible = "samsung,exynos5250-mixer"; reg = <0x14450000 0x10000>; interrupts = <0 94 0>; + clocks = <&clock 343>, <&clock 136>; + clock-names = "mixer", "sclk_hdmi"; };