linux-kernel - [PATCH v4] spi: dt-bindings: brcm,bcm2835-aux-spi: Convert to dtschema

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Message-ID: <ZxEm-H-PjlQyXeOH@Emma>
Date: Thu, 17 Oct 2024 15:02:16 +0000
From: Karan Sanghavi <karansanghvi98@...il.com>
To: Mark Brown <broonie@...nel.org>, 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>
Cc: Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
	Karan Sanghavi <karansanghvi98@...il.com>,
	linux-spi@...r.kernel.org, devicetree@...r.kernel.org,
	linux-rpi-kernel@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Shuah Khan <skhan@...uxfoundation.org>,
	Anup <anupnewsmail@...il.com>
Subject: [PATCH v4] spi: dt-bindings: brcm,bcm2835-aux-spi: Convert to
 dtschema

Convert bcm2835-aux-spi binding to Dt schema

Changes since v3:
 - Updated the patch subject line
 - Reformatted the description to fit within 80 characters

Changes since V2:
 - Modified the Patch subject
 - Removed unnecessary description and example

Signed-off-by: Karan Sanghavi <karansanghvi98@...il.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 .../bindings/spi/brcm,bcm2835-aux-spi.txt     | 38 -------------
 .../bindings/spi/brcm,bcm2835-aux-spi.yaml    | 53 +++++++++++++++++++
 2 files changed, 53 insertions(+), 38 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt
 create mode 100644 Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.yaml

diff --git a/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt b/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt
deleted file mode 100644
index d7668f41b..000000000
--- a/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt
+++ /dev/null
@@ -1,38 +0,0 @@
-Broadcom BCM2835 auxiliary SPI1/2 controller
-
-The BCM2835 contains two forms of SPI master controller, one known simply as
-SPI0, and the other known as the "Universal SPI Master"; part of the
-auxiliary block. This binding applies to the SPI1/2 controller.
-
-Required properties:
-- compatible: Should be "brcm,bcm2835-aux-spi".
-- reg: Should contain register location and length for the spi block
-- interrupts: Should contain shared interrupt of the aux block
-- clocks: The clock feeding the SPI controller - needs to
-	  point to the auxiliary clock driver of the bcm2835,
-	  as this clock will enable the output gate for the specific
-	  clock.
-- cs-gpios: the cs-gpios (native cs is NOT supported)
-	    see also spi-bus.txt
-
-Example:
-
-spi1@...15080 {
-	compatible = "brcm,bcm2835-aux-spi";
-	reg = <0x7e215080 0x40>;
-	interrupts = <1 29>;
-	clocks = <&aux_clocks BCM2835_AUX_CLOCK_SPI1>;
-	#address-cells = <1>;
-	#size-cells = <0>;
-	cs-gpios = <&gpio 18>, <&gpio 17>, <&gpio 16>;
-};
-
-spi2@...150c0 {
-	compatible = "brcm,bcm2835-aux-spi";
-	reg = <0x7e2150c0 0x40>;
-	interrupts = <1 29>;
-	clocks = <&aux_clocks BCM2835_AUX_CLOCK_SPI2>;
-	#address-cells = <1>;
-	#size-cells = <0>;
-	cs-gpios = <&gpio 43>, <&gpio 44>, <&gpio 45>;
-};
diff --git a/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.yaml b/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.yaml
new file mode 100644
index 000000000..6df060778
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.yaml
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/brcm,bcm2835-aux-spi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom BCM2835 Auxiliary SPI1/2 Controller
+
+maintainers:
+  - Karan Sanghavi <karansanghvi98@...il.com>
+
+description:
+  The BCM2835 contains two forms of SPI master controller. One is known simply
+  as SPI0, and the other as the "Universal SPI Master," which is part of the
+  auxiliary block. This binding applies to the SPI1 and SPI2 auxiliary
+  controllers.
+
+allOf:
+  - $ref: spi-controller.yaml#
+
+properties:
+  compatible:
+    enum:
+      - brcm,bcm2835-aux-spi
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/bcm2835-aux.h>
+    spi@...15080 {
+        compatible = "brcm,bcm2835-aux-spi";
+        reg = <0x7e215080 0x40>;
+        interrupts = <1 29>;
+        clocks = <&aux_clocks BCM2835_AUX_CLOCK_SPI1>;
+        #address-cells = <1>;
+        #size-cells = <0>;
+    };
-- 
2.43.0