linux-kernel - [PATCH 05/17] dt-bindings: pinctrl: samsung: add specific compatibles for existing SoC

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Message-Id: <20231108104343.24192-6-krzysztof.kozlowski@linaro.org>
Date:   Wed,  8 Nov 2023 11:43:31 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Andi Shyti <andi.shyti@...nel.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Lee Jones <lee@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Tomasz Figa <tomasz.figa@...il.com>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaehoon Chung <jh80.chung@...sung.com>,
        Sam Protsenko <semen.protsenko@...aro.org>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-i2c@...r.kernel.org,
        linux-iio@...r.kernel.org, linux-mmc@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-pwm@...r.kernel.org,
        linux-rtc@...r.kernel.org, linux-serial@...r.kernel.org,
        alsa-devel@...a-project.org, linux-sound@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 05/17] dt-bindings: pinctrl: samsung: add specific compatibles for existing SoC

Samsung Exynos SoC reuses several devices from older designs, thus
historically we kept the old (block's) compatible only.  This works fine
and there is no bug here, however guidelines expressed in
Documentation/devicetree/bindings/writing-bindings.rst state that:
1. Compatibles should be specific.
2. We should add new compatibles in case of bugs or features.

Add compatibles specific to each SoC in front of all old-SoC-like
compatibles.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

---

I propose to take the patch through Samsung SoC (me). See cover letter
for explanation.
---
 .../samsung,pinctrl-wakeup-interrupt.yaml     | 24 ++++++++++++-------
 .../bindings/pinctrl/samsung,pinctrl.yaml     |  3 ++-
 2 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/Documentation/devicetree/bindings/pinctrl/samsung,pinctrl-wakeup-interrupt.yaml b/Documentation/devicetree/bindings/pinctrl/samsung,pinctrl-wakeup-interrupt.yaml
index 1de91a51234d..1c07af24d6cf 100644
--- a/Documentation/devicetree/bindings/pinctrl/samsung,pinctrl-wakeup-interrupt.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/samsung,pinctrl-wakeup-interrupt.yaml
@@ -28,15 +28,21 @@ description: |
 
 properties:
   compatible:
-    enum:
-      - samsung,s3c2410-wakeup-eint
-      - samsung,s3c2412-wakeup-eint
-      - samsung,s3c64xx-wakeup-eint
-      - samsung,s5pv210-wakeup-eint
-      - samsung,exynos4210-wakeup-eint
-      - samsung,exynos7-wakeup-eint
-      - samsung,exynos850-wakeup-eint
-      - samsung,exynosautov9-wakeup-eint
+    oneOf:
+      - enum:
+          - samsung,s3c2410-wakeup-eint
+          - samsung,s3c2412-wakeup-eint
+          - samsung,s3c64xx-wakeup-eint
+          - samsung,s5pv210-wakeup-eint
+          - samsung,exynos4210-wakeup-eint
+          - samsung,exynos7-wakeup-eint
+          - samsung,exynos850-wakeup-eint
+          - samsung,exynosautov9-wakeup-eint
+      - items:
+          - enum:
+              - samsung,exynos5433-wakeup-eint
+              - samsung,exynos7885-wakeup-eint
+          - const: samsung,exynos7-wakeup-eint
 
   interrupts:
     description:
diff --git a/Documentation/devicetree/bindings/pinctrl/samsung,pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/samsung,pinctrl.yaml
index 26614621774a..7509dc36af93 100644
--- a/Documentation/devicetree/bindings/pinctrl/samsung,pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/samsung,pinctrl.yaml
@@ -313,7 +313,8 @@ examples:
         pinctrl-0 = <&initial_alive>;
 
         wakeup-interrupt-controller {
-            compatible = "samsung,exynos7-wakeup-eint";
+            compatible = "samsung,exynos5433-wakeup-eint",
+                         "samsung,exynos7-wakeup-eint";
             interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
         };
 
-- 
2.34.1