From: Sean Paul seanpaul@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.
We'll use a new compatible string for this since the fields are optional.
Cc: Rob Herring robh@kernel.org Cc: Stephen Boyd swboyd@chromium.org Reviewed-by: Rob Herring robh@kernel.org Signed-off-by: Sean Paul seanpaul@chromium.org Link: https://patchwork.freedesktop.org/patch/msgid/20210913175747.47456-13-sean@p... #v1 Link: https://patchwork.freedesktop.org/patch/msgid/20210915203834.1439-13-sean@po... #v2 Link: https://patchwork.freedesktop.org/patch/msgid/20211001151145.55916-13-sean@p... #v3 Link: https://patchwork.freedesktop.org/patch/msgid/20211105030434.2828845-13-sean... #v4 Link: https://patchwork.freedesktop.org/patch/msgid/20211115202153.117244-1-sean@p... #v4.5
Changes in v2: -Drop register range names (Stephen) -Fix yaml errors (Rob) Changes in v3: -Add new compatible string for dp-hdcp -Add descriptions to reg -Add minItems/maxItems to reg -Make reg depend on the new hdcp compatible string Changes in v4: -Rebase on Bjorn's multi-dp patchset Changes in v4.5: -Remove maxItems from reg (Rob) -Remove leading zeros in example (Rob) Changes in v5: -None --- .../devicetree/bindings/display/msm/dp-controller.yaml | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml index cd05cfd76536..671d50f1f458 100644 --- a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml +++ b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml @@ -24,12 +24,15 @@ properties: - qcom,sm8350-dp
reg: + minItems: 5 items: - description: ahb register block - description: aux register block - description: link register block - description: p0 register block - description: p1 register block + - description: (Optional) Registers for HDCP device key injection + - description: (Optional) Registers for HDCP TrustZone interaction
interrupts: maxItems: 1 @@ -113,7 +116,9 @@ examples: <0xae90200 0x200>, <0xae90400 0xc00>, <0xae91000 0x400>, - <0xae91400 0x400>; + <0xae91400 0x400>, + <0xaed1000 0x174>, + <0xaee1000 0x2c>; interrupt-parent = <&mdss>; interrupts = <12>; clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,