[PATCH 5/5] ARM: dts: update binding documentation for hdmi subsystem

Rahul Sharma rahul.sharma at samsung.com
Thu Jun 20 15:41:51 EST 2013


Adding information about clocks to mixer and hdmi dt
nodes. Also removed the updated fields for hpd property.

Signed-off-by: Rahul Sharma <rahul.sharma at samsung.com>
---
 .../devicetree/bindings/video/exynos_hdmi.txt         |   17 ++++++++++++++---
 .../devicetree/bindings/video/exynos_mixer.txt        |    4 ++++
 2 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/video/exynos_hdmi.txt b/Documentation/devicetree/bindings/video/exynos_hdmi.txt
index 589edee..5dca3af 100644
--- a/Documentation/devicetree/bindings/video/exynos_hdmi.txt
+++ b/Documentation/devicetree/bindings/video/exynos_hdmi.txt
@@ -8,9 +8,20 @@ Required properties:
 - hpd-gpio: following information about the hotplug gpio pin.
 	a) phandle of the gpio controller node.
 	b) pin number within the gpio controller.
-	c) pin function mode.
-	d) optional flags and pull up/down.
-	e) drive strength.
+	c) optional flags and pull up/down.
+- 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".
 
 Example:
 
diff --git a/Documentation/devicetree/bindings/video/exynos_mixer.txt b/Documentation/devicetree/bindings/video/exynos_mixer.txt
index 9b2ea03..54790a2 100644
--- a/Documentation/devicetree/bindings/video/exynos_mixer.txt
+++ b/Documentation/devicetree/bindings/video/exynos_mixer.txt
@@ -5,6 +5,10 @@ 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: 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:
 
-- 
1.7.10.4



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