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authorPhil Edworthy <[email protected]>2022-05-12 08:26:49 +0100
committerGreg Kroah-Hartman <[email protected]>2022-05-19 18:31:44 +0200
commit4ed26f87c71f97d6551caeb2e9e533f8980e764e (patch)
tree99361b3a7a5675aa8adb4bb9018198dd4bceffab
parentaf0179270977508df6986b51242825d7edd59caf (diff)
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 <[email protected]> Reviewed-by: Rob Herring <[email protected]> Signed-off-by: Phil Edworthy <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
-rw-r--r--Documentation/devicetree/bindings/serial/renesas,em-uart.yaml28
1 files changed, 23 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/serial/renesas,em-uart.yaml b/Documentation/devicetree/bindings/serial/renesas,em-uart.yaml
index 332c385618e1..b25aca733b72 100644
--- a/Documentation/devicetree/bindings/serial/renesas,em-uart.yaml
+++ b/Documentation/devicetree/bindings/serial/renesas,em-uart.yaml
@@ -9,9 +9,6 @@ title: Renesas EMMA Mobile UART Interface
maintainers:
- Magnus Damm <[email protected]>
-allOf:
- - $ref: serial.yaml#
-
properties:
compatible:
oneOf:
@@ -30,10 +27,31 @@ properties:
maxItems: 1
clocks:
- maxItems: 1
+ minItems: 1
+ items:
+ - description: UART functional clock
+ - description: Internal clock to access the registers
clock-names:
- const: sclk
+ minItems: 1
+ items:
+ - const: sclk
+ - const: pclk
+
+allOf:
+ - $ref: serial.yaml#
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: renesas,r9a09g011-uart
+ then:
+ properties:
+ clocks:
+ minItems: 2
+ clock-names:
+ minItems: 2
required:
- compatible