* [PATCH v8 08/10] dt-bindings: msm/dp: Add bindings for HDCP registers
[not found] <20230331221213.1691997-1-markyacoub@google.com>
@ 2023-03-31 22:12 ` Mark Yacoub
2023-03-31 22:12 ` [PATCH v8 09/10] arm64: dts: qcom: sc7180: Add support for HDCP in dp-controller Mark Yacoub
1 sibling, 0 replies; 4+ messages in thread
From: Mark Yacoub @ 2023-03-31 22:12 UTC (permalink / raw)
To: Rob Clark, Abhinav Kumar, Dmitry Baryshkov, Sean Paul,
David Airlie, Daniel Vetter, Rob Herring, Krzysztof Kozlowski,
Kuogee Hsieh
Cc: seanpaul, suraj.kandpal, dianders, dri-devel, freedreno,
intel-gfx, Rob Herring, Stephen Boyd, Mark Yacoub, linux-arm-msm,
devicetree, linux-kernel
From: Sean Paul <seanpaul@chromium.org>
Add 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@kernel.org>
Cc: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Mark Yacoub <markyacoub@chromium.org>
---
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
Changes in v6:
-Rebased: modify minItems instead of adding it as new line.
Changes in v7:
-Revert the change to minItems
-Added the maxItems to Reg
Changes in v8:
-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 0e8d8df686dc9..4763a2ff12fb7 100644
--- a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
+++ b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
@@ -34,6 +34,8 @@ properties:
- 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
@@ -159,6 +161,7 @@ allOf:
aux-bus: false
reg:
minItems: 5
+ maxItems: 7
required:
- "#sound-dai-cells"
@@ -176,7 +179,9 @@ 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>,
--
2.40.0.348.gf938b09366-goog
^ permalink raw reply related [flat|nested] 4+ messages in thread* [PATCH v8 09/10] arm64: dts: qcom: sc7180: Add support for HDCP in dp-controller
[not found] <20230331221213.1691997-1-markyacoub@google.com>
2023-03-31 22:12 ` [PATCH v8 08/10] dt-bindings: msm/dp: Add bindings for HDCP registers Mark Yacoub
@ 2023-03-31 22:12 ` Mark Yacoub
2023-04-07 16:34 ` Dmitry Baryshkov
2023-04-07 16:34 ` Dmitry Baryshkov
1 sibling, 2 replies; 4+ messages in thread
From: Mark Yacoub @ 2023-03-31 22:12 UTC (permalink / raw)
To: Andy Gross, Bjorn Andersson, Konrad Dybcio, Rob Herring,
Krzysztof Kozlowski
Cc: seanpaul, suraj.kandpal, dianders, dri-devel, freedreno,
intel-gfx, Mark Yacoub, linux-arm-msm, devicetree, linux-kernel
From: Sean Paul <seanpaul@chromium.org>
Add the register ranges required for HDCP key injection and
HDCP TrustZone interaction as described in the dt-bindings for the
sc7180 dp controller.
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Mark Yacoub <markyacoub@chromium.org>
---
Changes in v3:
-Split off into a new patch containing just the dts change (Stephen)
-Add hdcp compatible string (Stephen)
Changes in v4:
-Rebase on Bjorn's multi-dp patchset
Changes in v5:
-Put the tz register offsets in trogdor dtsi (Rob C)
Changes in v6:
-Rebased: Removed modifications in sc7180.dtsi as it's already upstream
Changes in v7:
-Change registers offset
Changes in v8:
-None
arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
index 423630c4d02c7..89d913fa6e3eb 100644
--- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
@@ -822,6 +822,14 @@ &mdss_dp {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&dp_hot_plug_det>;
+
+ reg = <0 0x0ae90000 0 0x200>,
+ <0 0x0ae90200 0 0x200>,
+ <0 0x0ae90400 0 0xc00>,
+ <0 0x0ae91000 0 0x400>,
+ <0 0x0ae91400 0 0x400>,
+ <0 0x0aed1000 0 0x174>,
+ <0 0x0aee1000 0 0x2c>;
};
&mdss_dp_out {
--
2.40.0.348.gf938b09366-goog
^ permalink raw reply related [flat|nested] 4+ messages in thread