[Intel-gfx] [PATCH 12/14] dt-bindings: msm/dp: Add bindings for HDCP registers

Sean Paul sean at poorly.run
Mon Sep 13 17:57:43 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.

Signed-off-by: Sean Paul <seanpaul at chromium.org>
---
 .../bindings/display/msm/dp-controller.yaml           | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
index 64d8d9e5e47a..984301442653 100644
--- a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
+++ b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
@@ -21,6 +21,11 @@ properties:
   reg:
     maxItems: 1
 
+  reg-names:
+    const: dp_controller
+    const: hdcp_key
+    const: hdcp_tz
+
   interrupts:
     maxItems: 1
 
@@ -99,8 +104,10 @@ 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>;
+        reg-names = "dp_controller", "hdcp_key", "hdcp_tz";
         interrupt-parent = <&mdss>;
         interrupts = <12>;
         clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
-- 
Sean Paul, Software Engineer, Google / Chromium OS



More information about the Intel-gfx mailing list