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dt-bindings: serial: amlogic,meson-uart: Add compatible string for G12A 

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>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230307222651.2106615-2-martin.blumenstingl@googlemail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Martin Blumenstingl 2023-03-07 23:26:49 +01:00 committed by Greg Kroah-Hartman
parent cb46a3e2d6
commit add5dfe87a
1 changed files with 9 additions and 0 deletions
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9
Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml
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@ -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