[PATCH v2 2/2] dt-bindings: mediatek: Add assigned clock property and axi clock in example

From: Xiangsheng Hou
Date: Thu Jun 30 2022 - 05:02:51 EST


For mt8173, it is needed to add the axi clock for dma mode.
And it is may needed to adjust default spi frequency.

Signed-off-by: Xiangsheng Hou <xiangsheng.hou@xxxxxxxxxxxx>
---
.../devicetree/bindings/spi/mediatek,spi-mtk-nor.yaml | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-nor.yaml b/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-nor.yaml
index 41e60fe4b09f..7523d992a614 100644
--- a/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-nor.yaml
+++ b/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-nor.yaml
@@ -61,6 +61,12 @@ properties:
- const: axi
- const: axi_s

+ assigned-clocks:
+ maxItems: 1
+
+ assigned-clock-parents:
+ maxItems: 1
+
required:
- compatible
- reg
@@ -82,8 +88,8 @@ examples:
compatible = "mediatek,mt8173-nor";
reg = <0 0x1100d000 0 0xe0>;
interrupts = <1>;
- clocks = <&pericfg CLK_PERI_SPI>, <&topckgen CLK_TOP_SPINFI_IFR_SEL>;
- clock-names = "spi", "sf";
+ clocks = <&pericfg CLK_PERI_SPI>, <&topckgen CLK_TOP_SPINFI_IFR_SEL>, <&pericfg CLK_PERI_NFI>;
+ clock-names = "spi", "sf", "axi";
#address-cells = <1>;
#size-cells = <0>;

--
2.25.1