linux-kernel - [PATCH 18/27] dt-bindings: display: sunxi: add DT binding for Allwinner H6 DW HDMI

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Date:   Sun,  2 Sep 2018 09:26:34 +0200
From:   Jernej Skrabec <jernej.skrabec@...l.net>
To:     robh+dt@...nel.org, maxime.ripard@...tlin.com, wens@...e.org
Cc:     mark.rutland@....com, mturquette@...libre.com, sboyd@...nel.org,
        airlied@...ux.ie, architt@...eaurora.org, a.hajda@...sung.com,
        jernej.skrabec@...l.net, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-sunxi@...glegroups.com, Icenowy Zheng <icenowy@...c.io>
Subject: [PATCH 18/27] dt-bindings: display: sunxi: add DT binding for Allwinner H6 DW HDMI

From: Icenowy Zheng <icenowy@...c.io>

The Allwinner H6 SoC uses a v2.12a DesignWare HDMI controller, with
dedicated CEC and HDCP clocks added; the PHY connected is a standard
DesignWare HDMI PHY.

Add binding for it.

Signed-off-by: Icenowy Zheng <icenowy@...c.io>
[added HDCP clock and reset]
Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>
---
 .../devicetree/bindings/display/sunxi/sun4i-drm.txt   | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
index dec2f8a6da9c..278410e43940 100644
--- a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
+++ b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
@@ -78,6 +78,7 @@ Required properties:
 
   - compatible: value must be one of:
     * "allwinner,sun8i-a83t-dw-hdmi"
+    * "allwinner,sun50i-h6-dw-hdmi"
   - reg: base address and size of memory-mapped region
   - reg-io-width: See dw_hdmi.txt. Shall be 1.
   - interrupts: HDMI interrupt number
@@ -85,9 +86,14 @@ Required properties:
     * iahb: the HDMI bus clock
     * isfr: the HDMI register clock
     * tmds: TMDS clock
+    * cec: HDMI CEC clock (H6 only)
+    * hdcp: HDCP clock (H6 only)
+    * hdcp-bus: HDCP bus clock (H6 only)
   - clock-names: the clock names mentioned above
-  - resets: phandle to the reset controller
-  - reset-names: must be "ctrl"
+  - resets:
+    * ctrl: HDMI controller reset
+    * hdcp: HDCP reset (H6 only)
+  - reset-names: reset names mentioned above
   - phys: phandle to the DWC HDMI PHY
   - phy-names: must be "phy"
 
@@ -104,6 +110,7 @@ Required properties:
     * allwinner,sun8i-a83t-hdmi-phy
     * allwinner,sun8i-h3-hdmi-phy
     * allwinner,sun50i-a64-hdmi-phy
+    * allwinner,sun50i-h6-hdmi-phy
   - reg: base address and size of memory-mapped region
   - clocks: phandles to the clocks feeding the HDMI PHY
     * bus: the HDMI PHY interface clock
-- 
2.18.0