[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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