[PATCH v2 12/13] dt-bindings: msm/dp: Add bindings for HDCP registers

Sean Paul sean at poorly.run
Wed Sep 15 20:38:31 UTC 2021


From: Sean Paul <seanpaul at chromium.org>

This patch adds the bindings for the MSM DisplayPort HDCP registers
which are required to write the HDCP key into the display controller as
well as the registers to enable HDCP authentication/key
exchange/encryption.

Cc: Rob Herring <robh at kernel.org>
Cc: Stephen Boyd <swboyd at chromium.org>
Signed-off-by: Sean Paul <seanpaul at chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210913175747.47456-13-sean@poorly.run #v1

Changes in v2:
-Drop register range names (Stephen)
-Fix yaml errors (Rob)
---
 .../devicetree/bindings/display/msm/dp-controller.yaml     | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
index 64d8d9e5e47a..80a55e9ff532 100644
--- a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
+++ b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
@@ -19,7 +19,7 @@ properties:
       - qcom,sc7180-dp
 
   reg:
-    maxItems: 1
+    maxItems: 3
 
   interrupts:
     maxItems: 1
@@ -99,8 +99,9 @@ examples:
     #include <dt-bindings/power/qcom-rpmpd.h>
 
     displayport-controller at ae90000 {
-        compatible = "qcom,sc7180-dp";
-        reg = <0xae90000 0x1400>;
+        reg = <0 0x0ae90000 0 0x1400>,
+              <0 0x0aed1000 0 0x174>,
+              <0 0x0aee1000 0 0x2c>;
         interrupt-parent = <&mdss>;
         interrupts = <12>;
         clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
-- 
Sean Paul, Software Engineer, Google / Chromium OS



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