linux-kernel - [PATCH v4 06/17] dt-bindings: clock: qcom,dispcc-sm6125: Allow power-domains property

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Message-Id: <20230723-sm6125-dpu-v4-6-a3f287dd6c07@somainline.org>
Date:   Sun, 23 Jul 2023 18:08:44 +0200
From:   Marijn Suijten <marijn.suijten@...ainline.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Krishna Manikandan <quic_mkrishn@...cinc.com>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Loic Poulain <loic.poulain@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>
Cc:     ~postmarketos/upstreaming@...ts.sr.ht,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Martin Botka <martin.botka@...ainline.org>,
        Jami Kettunen <jami.kettunen@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Krzysztof Kozlowski <krzk@...nel.org>,
        linux-clk@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, Lux Aliaga <they@...t.lgbt>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v4 06/17] dt-bindings: clock: qcom,dispcc-sm6125: Allow
 power-domains property

On SM6125 the dispcc block is gated behind VDDCX: allow this domain to
be configured.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Marijn Suijten <marijn.suijten@...ainline.org>
---
 .../devicetree/bindings/clock/qcom,dispcc-sm6125.yaml    | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/qcom,dispcc-sm6125.yaml b/Documentation/devicetree/bindings/clock/qcom,dispcc-sm6125.yaml
index 8fd29915bf2c..0a3ef7fd03fa 100644
--- a/Documentation/devicetree/bindings/clock/qcom,dispcc-sm6125.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,dispcc-sm6125.yaml
@@ -48,6 +48,16 @@ properties:
   '#power-domain-cells':
     const: 1
 
+  power-domains:
+    description:
+      A phandle and PM domain specifier for the CX power domain.
+    maxItems: 1
+
+  required-opps:
+    description:
+      A phandle to an OPP node describing the power domain's performance point.
+    maxItems: 1
+
   reg:
     maxItems: 1
 
@@ -65,9 +75,11 @@ examples:
   - |
     #include <dt-bindings/clock/qcom,rpmcc.h>
     #include <dt-bindings/clock/qcom,gcc-sm6125.h>
+    #include <dt-bindings/power/qcom-rpmpd.h>
     clock-controller@...0000 {
       compatible = "qcom,sm6125-dispcc";
       reg = <0x5f00000 0x20000>;
+
       clocks = <&rpmcc RPM_SMD_XO_CLK_SRC>,
                <&dsi0_phy 0>,
                <&dsi0_phy 1>,
@@ -84,6 +96,10 @@ examples:
                     "dp_phy_pll_vco_div_clk",
                     "cfg_ahb_clk",
                     "gcc_disp_gpll0_div_clk_src";
+
+      required-opps = <&rpmhpd_opp_ret>;
+      power-domains = <&rpmpd SM6125_VDDCX>;
+
       #clock-cells = <1>;
       #power-domain-cells = <1>;
     };

-- 
2.41.0