linux-kernel - [PATCH 1/8] dt-bindings: soc: samsung: exynos-pmu: allow phys as child

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20230127194057.186458-2-krzysztof.kozlowski@linaro.org>
Date:   Fri, 27 Jan 2023 20:40:50 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org
Cc:     replicant@...osl.org, phone-devel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht,
        Martin Jücker <martin.juecker@...il.com>,
        Henrik Grimler <henrik@...mler.se>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 1/8] dt-bindings: soc: samsung: exynos-pmu: allow phys as child

The MIPI and DisplayPort phys are actually part of the Power Management
Unit system controller, thus allow them as its children, instead of
specifying as separate device nodes with syscon phandle.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 .../bindings/soc/samsung/exynos-pmu.yaml      | 71 +++++++++++++++----
 1 file changed, 57 insertions(+), 14 deletions(-)

diff --git a/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml b/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml
index 13bb8dfcefe6..f7c141dd11ec 100644
--- a/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml
+++ b/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml
@@ -31,20 +31,28 @@ select:
 
 properties:
   compatible:
-    items:
-      - enum:
-          - samsung,exynos3250-pmu
-          - samsung,exynos4210-pmu
-          - samsung,exynos4412-pmu
-          - samsung,exynos5250-pmu
-          - samsung,exynos5260-pmu
-          - samsung,exynos5410-pmu
-          - samsung,exynos5420-pmu
-          - samsung,exynos5433-pmu
-          - samsung,exynos7-pmu
-          - samsung,exynos850-pmu
-          - samsung-s5pv210-pmu
-      - const: syscon
+    oneOf:
+      - items:
+          - enum:
+              - samsung,exynos3250-pmu
+              - samsung,exynos4210-pmu
+              - samsung,exynos4412-pmu
+              - samsung,exynos5250-pmu
+              - samsung,exynos5260-pmu
+              - samsung,exynos5410-pmu
+              - samsung,exynos5420-pmu
+              - samsung,exynos5433-pmu
+              - samsung,exynos7-pmu
+              - samsung,exynos850-pmu
+              - samsung-s5pv210-pmu
+          - const: syscon
+      - items:
+          - enum:
+              - samsung,exynos5250-pmu
+              - samsung,exynos5420-pmu
+              - samsung,exynos5433-pmu
+          - const: simple-mfd
+          - const: syscon
 
   reg:
     maxItems: 1
@@ -64,6 +72,10 @@ properties:
     minItems: 1
     maxItems: 32
 
+  dp-phy:
+    $ref: /schemas/phy/samsung,dp-video-phy.yaml
+    unevaluatedProperties: false
+
   interrupt-controller:
     description:
       Some PMUs are capable of behaving as an interrupt controller (mostly
@@ -74,6 +86,10 @@ properties:
       Must be identical to the that of the parent interrupt controller.
     const: 3
 
+  mipi-phy:
+    $ref: /schemas/phy/samsung,mipi-video-phy.yaml
+    unevaluatedProperties: false
+
   reboot-mode:
     $ref: /schemas/power/reset/syscon-reboot-mode.yaml
     type: object
@@ -117,6 +133,23 @@ allOf:
         - clock-names
         - clocks
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - samsung,exynos5250-pmu
+              - samsung,exynos5420-pmu
+              - samsung,exynos5433-pmu
+    then:
+      properties:
+        dp-phy: true
+        mipi-phy: true
+    else:
+      properties:
+        dp-phy: false
+        mipi-phy: false
+
 examples:
   - |
     #include <dt-bindings/clock/exynos5250.h>
@@ -130,4 +163,14 @@ examples:
         #clock-cells = <1>;
         clock-names = "clkout16";
         clocks = <&clock CLK_FIN_PLL>;
+
+        dp-phy {
+            compatible = "samsung,exynos5250-dp-video-phy";
+            #phy-cells = <0>;
+        };
+
+        mipi-phy {
+            compatible = "samsung,s5pv210-mipi-video-phy";
+            #phy-cells = <1>;
+        };
     };
-- 
2.34.1