linux-kernel - [PATCH v4 5/9] dt-bindings: serial: atmel,at91-usart: Add gclk as a possible USART clock

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Message-ID: <20220919150846.1148783-6-sergiu.moga@microchip.com>
Date:   Mon, 19 Sep 2022 18:08:43 +0300
From:   Sergiu Moga <sergiu.moga@...rochip.com>
To:     <lee@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <nicolas.ferre@...rochip.com>,
        <alexandre.belloni@...tlin.com>, <claudiu.beznea@...rochip.com>,
        <radu_nicolae.pirea@....ro>, <richard.genoud@...il.com>,
        <gregkh@...uxfoundation.org>, <jirislaby@...nel.org>,
        <kavyasree.kotagiri@...rochip.com>
CC:     <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-spi@...r.kernel.org>,
        <linux-serial@...r.kernel.org>,
        Sergiu Moga <sergiu.moga@...rochip.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v4 5/9] dt-bindings: serial: atmel,at91-usart: Add gclk as a possible USART clock

The Devicetree nodes for FLEXCOM's USART can also have an alternative
clock source for the baudrate generator (other than the peripheral
clock), namely the Generick Clock. Thus make the binding aware of
this clock that someone may place in the clock related
properties of the USART node.

Signed-off-by: Sergiu Moga <sergiu.moga@...rochip.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---


v1 -> v2:
- Nothing, this patch was not here before


v2 -> v3:
- Nothing, Previously this was [PATCH 13]


v3 -> v4:
- Add A-b tag, this was previously [PATCH 9]




 .../devicetree/bindings/serial/atmel,at91-usart.yaml   | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/serial/atmel,at91-usart.yaml b/Documentation/devicetree/bindings/serial/atmel,at91-usart.yaml
index 4da642763bef..30b2131b5860 100644
--- a/Documentation/devicetree/bindings/serial/atmel,at91-usart.yaml
+++ b/Documentation/devicetree/bindings/serial/atmel,at91-usart.yaml
@@ -36,10 +36,16 @@ properties:
     maxItems: 1
 
   clock-names:
-    const: usart
+    minItems: 1
+    items:
+      - const: usart
+      - const: gclk
 
   clocks:
-    maxItems: 1
+    minItems: 1
+    items:
+      - description: USART Peripheral Clock
+      - description: USART Generic Clock
 
   dmas:
     items:
-- 
2.34.1