From: Ciprian Marian Costea <ciprianmarian.costea@oss.nxp.com>
Add clock definitions for NXP LINFlexD UART bindings.
The LINFlexD driver was working because the LINFlexD clocks were
configured and kept enabled by the downstream bootloader (TF-A [1]
and U-Boot [2]). This is not ideal since LINFlexD Linux driver should
manage its clocks independently and not rely on a previous bootloader
configuration.
[1] https://github.com/nxp-auto-linux/arm-trusted-firmware
[2] https://github.com/nxp-auto-linux/u-boot
Signed-off-by: Ciprian Marian Costea <ciprianmarian.costea@oss.nxp.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
---
.../bindings/serial/fsl,s32-linflexuart.yaml | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.yaml b/Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.yaml
index 4171f524a928..ca3146d9b872 100644
--- a/Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.yaml
+++ b/Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.yaml
@@ -34,10 +34,24 @@ properties:
interrupts:
maxItems: 1
+ clocks:
+ items:
+ - description:
+ ipg clock drives the access to the LINFlexD
+ iomapped registers
+ - description: lin is the frequency of the baud clock
+
+ clock-names:
+ items:
+ - const: ipg
+ - const: lin
+
required:
- compatible
- reg
- interrupts
+ - clocks
+ - clock-names
unevaluatedProperties: false
@@ -47,4 +61,6 @@ examples:
compatible = "fsl,s32v234-linflexuart";
reg = <0x40053000 0x1000>;
interrupts = <0 59 4>;
+ clocks = <&clks 132>, <&clks 131>;
+ clock-names = "ipg", "lin";
};
--
2.45.2