* [PATCH 1/3] dt-bindings: serial: amlogic,meson-uart: add fifo-size property
[not found] <20210518075833.3736038-1-narmstrong@baylibre.com>
@ 2021-05-18 7:58 ` Neil Armstrong
2021-05-19 21:36 ` [PATCH 1/3] dt-bindings: serial: amlogic, meson-uart: " Rob Herring
0 siblings, 1 reply; 2+ messages in thread
From: Neil Armstrong @ 2021-05-18 7:58 UTC (permalink / raw)
To: gregkh, jirislaby, devicetree
Cc: linux-serial, linux-arm-kernel, linux-amlogic, linux-kernel,
Neil Armstrong, Martin Blumenstingl
On most of the Amlogic SoCs, the first UART controller in the "Everything-Else"
power domain has 128bytes of RX & TX FIFO, so add an optional property to describe
a different FIFO size from the other ports (64bytes).
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
---
.../devicetree/bindings/serial/amlogic,meson-uart.yaml | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml b/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml
index 75ebc9952a99..7487aa6ef849 100644
--- a/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml
+++ b/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml
@@ -55,6 +55,11 @@ properties:
- const: pclk
- const: baud
+ fifo-size:
+ description: The fifo size supported by the UART channel.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [64, 128]
+
required:
- compatible
- reg
--
2.25.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH 1/3] dt-bindings: serial: amlogic, meson-uart: add fifo-size property
2021-05-18 7:58 ` [PATCH 1/3] dt-bindings: serial: amlogic,meson-uart: add fifo-size property Neil Armstrong
@ 2021-05-19 21:36 ` Rob Herring
0 siblings, 0 replies; 2+ messages in thread
From: Rob Herring @ 2021-05-19 21:36 UTC (permalink / raw)
To: Neil Armstrong
Cc: jirislaby, Martin Blumenstingl, devicetree, linux-kernel,
linux-arm-kernel, linux-serial, gregkh, linux-amlogic
On Tue, 18 May 2021 09:58:31 +0200, Neil Armstrong wrote:
> On most of the Amlogic SoCs, the first UART controller in the "Everything-Else"
> power domain has 128bytes of RX & TX FIFO, so add an optional property to describe
> a different FIFO size from the other ports (64bytes).
>
> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
> Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
> ---
> .../devicetree/bindings/serial/amlogic,meson-uart.yaml | 5 +++++
> 1 file changed, 5 insertions(+)
>
Reviewed-by: Rob Herring <robh@kernel.org>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-05-18 7:58 ` [PATCH 1/3] dt-bindings: serial: amlogic,meson-uart: add fifo-size property Neil Armstrong
2021-05-19 21:36 ` [PATCH 1/3] dt-bindings: serial: amlogic, meson-uart: " Rob Herring
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