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dt-bindings: serial: renesas,em-uart: Add RZ/V2M clock to access the registers
The RZ/V2M SoC has an additional clock to access the registers. The HW manual says this clock should not be touched as it is used by the "ISP Firmware". Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com> Link: https://lore.kernel.org/r/20220512072649.7879-1-phil.edworthy@renesas.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -9,9 +9,6 @@ title: Renesas EMMA Mobile UART Interface
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maintainers:
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- Magnus Damm <magnus.damm@gmail.com>
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allOf:
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- $ref: serial.yaml#
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properties:
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compatible:
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oneOf:
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@ -30,10 +27,31 @@ properties:
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maxItems: 1
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clocks:
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maxItems: 1
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minItems: 1
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items:
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- description: UART functional clock
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- description: Internal clock to access the registers
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clock-names:
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const: sclk
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minItems: 1
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items:
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- const: sclk
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- const: pclk
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allOf:
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- $ref: serial.yaml#
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- if:
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properties:
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compatible:
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contains:
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const: renesas,r9a09g011-uart
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then:
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properties:
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clocks:
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minItems: 2
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clock-names:
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minItems: 2
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required:
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- compatible
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