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Message-ID: <20230618142327.GA20367@standask-GA-A55M-S2HP>
Date: Sun, 18 Jun 2023 16:23:27 +0200
From: Stanislav Jakubek <stano.jakubek@...il.com>
To: Thierry Reding <thierry.reding@...il.com>,
Uwe Kleine-König
<u.kleine-koenig@...gutronix.de>, Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Florian Fainelli <florian.fainelli@...adcom.com>,
Ray Jui <rjui@...adcom.com>,
Scott Branden <sbranden@...adcom.com>
Cc: bcm-kernel-feedback-list@...adcom.com, linux-pwm@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3] dt-bindings: pwm: brcm,kona-pwm: convert to YAML
Convert Broadcom Kona family PWM controller bindings to DT schema.
Change during conversion:
- add used, but previously undocumented brcm,bcm11351-pwm compatible
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Stanislav Jakubek <stano.jakubek@...il.com>
---
Changes in V3:
- change "" include in example to <>
- rebase on next-20230616
- collect Krzysztof's R-b
Changes in V2:
- mention the new compatible in the commit message (Krzysztof)
.../devicetree/bindings/pwm/brcm,kona-pwm.txt | 21 --------
.../bindings/pwm/brcm,kona-pwm.yaml | 51 +++++++++++++++++++
2 files changed, 51 insertions(+), 21 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/pwm/brcm,kona-pwm.txt
create mode 100644 Documentation/devicetree/bindings/pwm/brcm,kona-pwm.yaml
diff --git a/Documentation/devicetree/bindings/pwm/brcm,kona-pwm.txt b/Documentation/devicetree/bindings/pwm/brcm,kona-pwm.txt
deleted file mode 100644
index c42eecfc81ed..000000000000
--- a/Documentation/devicetree/bindings/pwm/brcm,kona-pwm.txt
+++ /dev/null
@@ -1,21 +0,0 @@
-Broadcom Kona PWM controller device tree bindings
-
-This controller has 6 channels.
-
-Required Properties :
-- compatible: should contain "brcm,kona-pwm"
-- reg: physical base address and length of the controller's registers
-- clocks: phandle + clock specifier pair for the external clock
-- #pwm-cells: Should be 3. See pwm.yaml in this directory for a
- description of the cells format.
-
-Refer to clocks/clock-bindings.txt for generic clock consumer properties.
-
-Example:
-
-pwm: pwm@...1a000 {
- compatible = "brcm,bcm11351-pwm", "brcm,kona-pwm";
- reg = <0x3e01a000 0xc4>;
- clocks = <&pwm_clk>;
- #pwm-cells = <3>;
-};
diff --git a/Documentation/devicetree/bindings/pwm/brcm,kona-pwm.yaml b/Documentation/devicetree/bindings/pwm/brcm,kona-pwm.yaml
new file mode 100644
index 000000000000..e86c8053b366
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/brcm,kona-pwm.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pwm/brcm,kona-pwm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom Kona family PWM controller
+
+description:
+ This controller has 6 channels.
+
+maintainers:
+ - Florian Fainelli <f.fainelli@...il.com>
+
+allOf:
+ - $ref: pwm.yaml#
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - brcm,bcm11351-pwm
+ - const: brcm,kona-pwm
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ '#pwm-cells':
+ const: 3
+
+required:
+ - compatible
+ - reg
+ - clocks
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/bcm281xx.h>
+
+ pwm@...1a000 {
+ compatible = "brcm,bcm11351-pwm", "brcm,kona-pwm";
+ reg = <0x3e01a000 0xcc>;
+ clocks = <&slave_ccu BCM281XX_SLAVE_CCU_PWM>;
+ #pwm-cells = <3>;
+ };
+...
--
2.25.1
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