[PATCH 3/4] dt-bindings: clock: fsl-sai: Document clock-cells = <1> support

Marek Vasut
2024-12-26T15:32:17Z

The driver now supports generation of both BCLK and MCLK, document
support for #clock-cells = <0> for legacy case and #clock-cells = <1>
for the new case which can differentiate between BCLK and MCLK.

Signed-off-by: Marek Vasut <marex@denx.de>
---
Cc: Conor Dooley <conor+dt@kernel.org>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Michael Walle <michael@walle.cc>
Cc: Nicolin Chen <nicoleotsuka@gmail.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Shengjiu Wang <shengjiu.wang@gmail.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: Xiubo Li <Xiubo.Lee@gmail.com>
Cc: devicetree@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Cc: linux-sound@vger.kernel.org
---
Documentation/devicetree/bindings/clock/fsl,sai-clock.yaml | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/clock/fsl,sai-clock.yaml b/Documentation/devicetree/bindings/clock/fsl,sai-clock.yaml
index e62543deeb7da..250d7ec729c6e 100644
--- a/Documentation/devicetree/bindings/clock/fsl,sai-clock.yaml
+++ b/Documentation/devicetree/bindings/clock/fsl,sai-clock.yaml
@@ -10,7 +10,7 @@ maintainers:
- Michael Walle <michael@walle.cc>

description: |
- It is possible to use the BCLK pin of a SAI module as a generic
+ It is possible to use the BCLK or MCLK pin of a SAI module as a generic
clock output. Some SoC are very constrained in their pin multiplexer
configuration. E.g. pins can only be changed in groups. For example, on
the LS1028A SoC you can only enable SAIs in pairs. If you use only one SAI,
@@ -40,7 +40,7 @@ properties:
maxItems: 1

'#clock-cells':
- const: 0
+ maximum: 1

allOf:
- if:
--
2.45.2