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authorMark Yao <mark.yao@rock-chips.com>2017-06-09 15:10:46 +0800
committerMark Yao <mark.yao@rock-chips.com>2017-06-23 08:52:03 +0800
commit8814b40bf6b2293eede832d35957b4e9ba495ae3 (patch)
treebbd9cae9b94d9c78717c22c3189fe482c340764b /Documentation/devicetree/bindings/display
parent5e3bc6d1ab48a20cbce3d59d42937bc977ec61cf (diff)
drm/rockchip: dw_hdmi: introduce the pclk for grf
For RK3399's GRF module, if we want to operate the graphic related grf registers, we need to enable the pclk_vio_grf which supply power for VIO GRF IOs, so it's better to introduce an optional grf clock in driver. Signed-off-by: Yakir Yang <ykk@rock-chips.com> Signed-off-by: Mark Yao <mark.yao@rock-chips.com> Acked-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/display')
-rw-r--r--Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt b/Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt
index 122d4e8b879b..fad8b7619647 100644
--- a/Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt
+++ b/Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt
@@ -32,6 +32,7 @@ Optional properties
I2C master controller.
- clock-names: See dw_hdmi.txt. The "cec" clock is optional.
- clock-names: May contain "cec" as defined in dw_hdmi.txt.
+- clock-names: May contain "grf", power for grf io.
- clock-names: May contain "vpll", external clock for some hdmi phy.
Example: