linux-kernel - [PATCH v10 09/10] arm64: dts: qcom: sc7180: Add support for HDCP in dp-controller

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Date:   Wed, 19 Apr 2023 11:43:19 -0400
From:   Mark Yacoub <markyacoub@...omium.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     seanpaul@...omium.org, suraj.kandpal@...el.com,
        dianders@...omium.org, dmitry.baryshkov@...aro.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        intel-gfx@...ts.freedesktop.org,
        Mark Yacoub <markyacoub@...omium.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v10 09/10] arm64: dts: qcom: sc7180: Add support for HDCP in dp-controller

From: Sean Paul <seanpaul@...omium.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@...omium.org>
Signed-off-by: Sean Paul <seanpaul@...omium.org>
Signed-off-by: Mark Yacoub <markyacoub@...omium.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

 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 {
-- 
2.40.0.634.g4ca3ef3211-goog