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[v7,1/6] of/documentation: update with clock information for exynos hdmi subsystem

Message ID 1377784377-28426-2-git-send-email-rahul.sharma@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Rahul Sharma Aug. 29, 2013, 1:52 p.m. UTC
Adding information about clocks to the binding documentation
for exynos mixer and hdmi.

Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
 Documentation/devicetree/bindings/video/exynos_hdmi.txt  |   14 +++++++++++++-
 Documentation/devicetree/bindings/video/exynos_mixer.txt |    4 ++++
 2 files changed, 17 insertions(+), 1 deletion(-)
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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".
 	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
 - 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.