Adding information about clocks to the binding documentation
for exynos mixer and hdmi.
Signed-off-by: Rahul Sharma <rahul.sharma@xxxxxxxxxxx>
---
Documentation/devicetree/bindings/video/exynos_hdmi.txt | 14 +++++++++++++-
Documentation/devicetree/bindings/video/exynos_mixer.txt | 4 ++++
2 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/video/exynos_hdmi.txt b/Documentation/devicetree/bindings/video/exynos_hdmi.txt
index 323983b..50decf8 100644
--- a/Documentation/devicetree/bindings/video/exynos_hdmi.txt
+++ b/Documentation/devicetree/bindings/video/exynos_hdmi.txt
@@ -12,7 +12,19 @@ Required properties:
a) phandle of the gpio controller node.
b) pin number within the gpio controller.
c) optional flags and pull up/down.
-
+- clocks: list of clock IDs from SoC clock driver.
+ a) hdmi: Gate of HDMI IP bus clock.
+ b) sclk_hdmi: Gate of HDMI special clock.
+ c) sclk_pixel: Pixel special clock, one of the two possible inputs of
+ HDMI clock mux.
+ d) sclk_hdmiphy: HDMI PHY clock output, one of two possible inputs of
+ HDMI clock mux.
+ 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".
Example:
hdmi {
diff --git a/Documentation/devicetree/bindings/video/exynos_mixer.txt b/Documentation/devicetree/bindings/video/exynos_mixer.txt
index 3334b0a..7bfde9c 100644
--- a/Documentation/devicetree/bindings/video/exynos_mixer.txt
+++ b/Documentation/devicetree/bindings/video/exynos_mixer.txt
@@ -10,6 +10,10 @@ Required properties:
- 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: Gate of Mixer IP bus clock.
+ b) sclk_hdmi: HDMI Special clock, one of the two possible inputs of
+ mixer mux.
Example:
--
1.7.10.4
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