From: Pratik Farkase <pratikfarkase94@gmail.com>
Cc: Pratik Farkase <pratik.farkase@wsisweden.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jirislaby@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Florian Fainelli <florian.fainelli@broadcom.com>,
Broadcom internal kernel review list
<bcm-kernel-feedback-list@broadcom.com>,
Ray Jui <rjui@broadcom.com>,
Scott Branden <sbranden@broadcom.com>,
Pratik Farkase <pratikfarkase94@gmail.com>,
linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org,
devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH] dt-bindings: serial: brcm,bcm2835-aux-uart: convert to dtschema
Date: Mon, 15 Apr 2024 17:00:44 +0200 [thread overview]
Message-ID: <20240415150046.144987-1-pratik.farkase@wsisweden.com> (raw)
Convert the Broadcom BCM2835 Auxiliar UART to newer DT schema.
Created DT schema based on the .txt file which had
`compatible`, `reg` `clocks` and `interrupts` as the
required properties. This binding is used by Broadcom BCM2835
SOC used in some Raspberry PI boards.
Changes from original file:
Implemented complete example which the original txt binding lacked.
Signed-off-by: Pratik Farkase <pratik.farkase@wsisweden.com>
---
.../bindings/serial/brcm,bcm2835-aux-uart.txt | 18 --------
.../serial/brcm,bcm2835-aux-uart.yaml | 46 +++++++++++++++++++
2 files changed, 46 insertions(+), 18 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/serial/brcm,bcm2835-aux-uart.txt
create mode 100644 Documentation/devicetree/bindings/serial/brcm,bcm2835-aux-uart.yaml
diff --git a/Documentation/devicetree/bindings/serial/brcm,bcm2835-aux-uart.txt b/Documentation/devicetree/bindings/serial/brcm,bcm2835-aux-uart.txt
deleted file mode 100644
index b5cc6297cd1b..000000000000
--- a/Documentation/devicetree/bindings/serial/brcm,bcm2835-aux-uart.txt
+++ /dev/null
@@ -1,18 +0,0 @@
-* BCM2835 AUXILIAR UART
-
-Required properties:
-
-- compatible: "brcm,bcm2835-aux-uart"
-- reg: The base address of the UART register bank.
-- interrupts: A single interrupt specifier.
-- clocks: Clock driving the hardware; used to figure out the baud rate
- divisor.
-
-Example:
-
- uart1: serial@7e215040 {
- compatible = "brcm,bcm2835-aux-uart";
- reg = <0x7e215040 0x40>;
- interrupts = <1 29>;
- clocks = <&aux BCM2835_AUX_CLOCK_UART>;
- };
diff --git a/Documentation/devicetree/bindings/serial/brcm,bcm2835-aux-uart.yaml b/Documentation/devicetree/bindings/serial/brcm,bcm2835-aux-uart.yaml
new file mode 100644
index 000000000000..c52ba2e33f28
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/brcm,bcm2835-aux-uart.yaml
@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/serial/brcm,bcm2835-aux-uart.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: BCM2835 AUXILIAR UART
+
+maintainers:
+ - Pratik Farkase <pratikfarkase94@gmail.com>
+
+allOf:
+ - $ref: serial.yaml
+
+properties:
+ compatible:
+ const: brcm,bcm2835-aux-uart
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/bcm2835.h>
+ #include <dt-bindings/clock/bcm2835-aux.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ uart1: serial@7e215040 {
+ compatible = "brcm,bcm2835-aux-uart";
+ reg = <0x7e215040 0x40>;
+ interrupts = <1 29>;
+ clocks = <&aux BCM2835_AUX_CLOCK_UART>;
+ };
--
2.34.1
next reply other threads:[~2024-04-15 15:01 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-15 15:00 Pratik Farkase [this message]
2024-04-15 15:17 ` [PATCH] dt-bindings: serial: brcm,bcm2835-aux-uart: convert to dtschema Florian Fainelli
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