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From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
To: linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org
Cc: neil.armstrong@linaro.org,
	Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
	robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
	jirislaby@kernel.org, linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 1/3] dt-bindings: serial: amlogic,meson-uart: Add compatible string for G12A
Date: Tue,  7 Mar 2023 23:26:49 +0100	[thread overview]
Message-ID: <20230307222651.2106615-2-martin.blumenstingl@googlemail.com> (raw)
In-Reply-To: <20230307222651.2106615-1-martin.blumenstingl@googlemail.com>

Amlogic G12A SoCs gained a new "divide XTAL by 2" bit. Everything else
(we know about) is identical to the UART IP on GX (GXBB/GXL/GXM) SoCs.
Add a new compatible string for this SoC so this new bit can be managed
accordingly while keeping "amlogic,meson-gx-uart" as fallback compatible
string.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
---
Changes from v1 -> v2:
- make meson-gx-uart a valid compatible string for meson-g12a-uart

Changes from v2 -> v3:
- don't add extra oneOf as all of the entries are enclosed in oneOf
  already
- don't allow amlogic,meson-g12a-uart as standalone compatible string
  (which slipped through in v2 due to all of the formatting changes
  that the extra oneOf required)


 .../devicetree/bindings/serial/amlogic,meson-uart.yaml   | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml b/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml
index 3cbdde85ed71..22656efe8ddc 100644
--- a/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml
+++ b/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml
@@ -34,6 +34,11 @@ properties:
               - amlogic,meson-gx-uart
               - amlogic,meson-s4-uart
           - const: amlogic,meson-ao-uart
+      - description: Always-on power domain UART controller on G12A SoCs
+        items:
+          - const: amlogic,meson-g12a-uart
+          - const: amlogic,meson-gx-uart
+          - const: amlogic,meson-ao-uart
       - description: Everything-Else power domain UART controller
         enum:
           - amlogic,meson6-uart
@@ -41,6 +46,10 @@ properties:
           - amlogic,meson8b-uart
           - amlogic,meson-gx-uart
           - amlogic,meson-s4-uart
+      - description: Everything-Else power domain UART controller on G12A SoCs
+        items:
+          - const: amlogic,meson-g12a-uart
+          - const: amlogic,meson-gx-uart
 
   reg:
     maxItems: 1
-- 
2.39.2


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  reply	other threads:[~2023-03-07 22:27 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-07 22:26 [PATCH v3 0/3] meson-uart: Use "divide XTAL by 2" bit on G12A Martin Blumenstingl
2023-03-07 22:26 ` Martin Blumenstingl [this message]
2023-03-08 11:02   ` [PATCH v3 1/3] dt-bindings: serial: amlogic,meson-uart: Add compatible string for G12A Krzysztof Kozlowski
2023-03-07 22:26 ` [PATCH v3 2/3] tty: serial: meson: Add a new compatible string for the G12A SoC Martin Blumenstingl
2023-03-08 12:19   ` neil.armstrong
2023-03-07 22:26 ` [PATCH v3 3/3] arm64: dts: meson-g12-common: Use the G12A UART compatible string Martin Blumenstingl
2023-03-08 12:19   ` neil.armstrong
2023-03-08 12:21   ` neil.armstrong
2023-03-09 11:00     ` Greg KH

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