linux-kernel - [PATCH v10 3/4] phy: dt-bindings: cdns,dphy: add power-domains property

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Date:   Tue, 1 Mar 2022 16:46:20 +0530
From:   Pratyush Yadav <p.yadav@...com>
To:     Vinod Koul <vkoul@...nel.org>
CC:     Pratyush Yadav <p.yadav@...com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Paul Kocialkowski <paul.kocialkowski@...tlin.com>,
        Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Swapnil Jakhade <sjakhade@...ence.com>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-phy@...ts.infradead.org>
Subject: [PATCH v10 3/4] phy: dt-bindings: cdns,dphy: add power-domains property

This property is needed on TI platforms to enable the PD of the DPHY
before it can be used.

Signed-off-by: Pratyush Yadav <p.yadav@...com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Acked-by: Rob Herring <robh@...nel.org>

---

(no changes since v3)

Changes in v3:
- Add Rob's Ack.

Changes in v2:
- Add power-domain to the example.
- Add Laurent's R-by.
- Re-order subject prefixes.

 Documentation/devicetree/bindings/phy/cdns,dphy.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/cdns,dphy.yaml b/Documentation/devicetree/bindings/phy/cdns,dphy.yaml
index b90a58773bf2..c50629bd1b51 100644
--- a/Documentation/devicetree/bindings/phy/cdns,dphy.yaml
+++ b/Documentation/devicetree/bindings/phy/cdns,dphy.yaml
@@ -30,6 +30,9 @@ properties:
   "#phy-cells":
     const: 0
 
+  power-domains:
+    maxItems: 1
+
 required:
   - compatible
   - reg
@@ -41,11 +44,13 @@ additionalProperties: false
 
 examples:
   - |
+    #include <dt-bindings/soc/ti,sci_pm_domain.h>
 
     dphy0: phy@...e0000{
         compatible = "cdns,dphy";
         reg = <0xfd0e0000 0x1000>;
         clocks = <&psm_clk>, <&pll_ref_clk>;
         clock-names = "psm", "pll_ref";
+        power-domains = <&k3_pds 147 TI_SCI_PD_EXCLUSIVE>;
         #phy-cells = <0>;
     };
-- 
2.34.1