linux-kernel - [PATCH 03/14] dt-bindings: pwm: Convert BCM7038 PWM binding to YAML

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Message-Id: <20211201205110.41656-4-f.fainelli@gmail.com>
Date:   Wed,  1 Dec 2021 12:50:59 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     devicetree@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
        Rob Herring <robh+dt@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        bcm-kernel-feedback-list@...adcom.com (maintainer:BROADCOM BCM7XXX ARM
        ARCHITECTURE), Gregory Fong <gregory.0xf0@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, Lee Jones <lee.jones@...aro.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Matt Mackall <mpm@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Amit Kucheria <amitk@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Markus Mayer <mmayer@...adcom.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Al Cooper <alcooperx@...il.com>,
        Doug Berger <opendmb@...il.com>,
        linux-ide@...r.kernel.org (open list:LIBATA SUBSYSTEM (Serial and
        Parallel ATA drivers)), linux-kernel@...r.kernel.org (open list),
        linux-gpio@...r.kernel.org (open list:GPIO SUBSYSTEM),
        linux-arm-kernel@...ts.infradead.org (moderated list:BROADCOM BCM7XXX
        ARM ARCHITECTURE),
        linux-mmc@...r.kernel.org (open list:MULTIMEDIA CARD (MMC), SECURE
        DIGITAL (SD) AND...),
        linux-pwm@...r.kernel.org (open list:PWM SUBSYSTEM),
        linux-crypto@...r.kernel.org (open list:HARDWARE RANDOM NUMBER
        GENERATOR CORE),
        linux-rtc@...r.kernel.org (open list:REAL TIME CLOCK (RTC) SUBSYSTEM),
        linux-pm@...r.kernel.org (open list:THERMAL),
        linux-usb@...r.kernel.org (open list:USB SUBSYSTEM)
Subject: [PATCH 03/14] dt-bindings: pwm: Convert BCM7038 PWM binding to YAML

Convert the Broadcom STB BCM7038 PWM Device Tree binding to YAML to help
with validation.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 .../bindings/pwm/brcm,bcm7038-pwm.txt         | 20 ---------
 .../bindings/pwm/brcm,bcm7038-pwm.yaml        | 43 +++++++++++++++++++
 2 files changed, 43 insertions(+), 20 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.txt
 create mode 100644 Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.yaml

diff --git a/Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.txt b/Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.txt
deleted file mode 100644
index 0e662d7f6bd1..000000000000
--- a/Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.txt
+++ /dev/null
@@ -1,20 +0,0 @@
-Broadcom BCM7038 PWM controller (BCM7xxx Set Top Box PWM controller)
-
-Required properties:
-
-- compatible: must be "brcm,bcm7038-pwm"
-- reg: physical base address and length for this controller
-- #pwm-cells: should be 2. See pwm.yaml in this directory for a description
-  of the cells format
-- clocks: a phandle to the reference clock for this block which is fed through
-  its internal variable clock frequency generator
-
-
-Example:
-
-	pwm: pwm@...08000 {
-		compatible = "brcm,bcm7038-pwm";
-		reg = <0xf0408000 0x28>;
-		#pwm-cells = <2>;
-		clocks = <&upg_fixed>;
-	};
diff --git a/Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.yaml b/Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.yaml
new file mode 100644
index 000000000000..4080e098f746
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.yaml
@@ -0,0 +1,43 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pwm/brcm,bcm7038-pwm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom BCM7038 PWM controller (BCM7xxx Set Top Box PWM controller)
+
+maintainers:
+  - Florian Fainelli <f.fainelli@...il.com>
+
+allOf:
+  - $ref: pwm.yaml#
+
+properties:
+  compatible:
+    const: brcm,bcm7038-pwm
+
+  reg:
+    maxItems: 1
+
+  "#pwm-cells":
+    const: 2
+
+  clocks:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - "#pwm-cells"
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    pwm: pwm@...08000 {
+       compatible = "brcm,bcm7038-pwm";
+       reg = <0xf0408000 0x28>;
+       #pwm-cells = <2>;
+       clocks = <&upg_fixed>;
+    };
-- 
2.25.1