From: Chanho Park Date: Mon, 18 Oct 2021 12:42:13 +0000 (+0900) Subject: dt-bindings: ufs: exynos-ufs: add io-coherency property X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=57e9befa4863fa4a3bb30f3cf511f79888e2de90;p=linux.git dt-bindings: ufs: exynos-ufs: add io-coherency property Add "samsung,sysreg" regmap and the offset to the ufs shareability register for setting io coherency of the samsung ufs. "dma-coherent" property is also required because the driver code needs to know. Cc: Rob Herring Cc: devicetree@vger.kernel.org Signed-off-by: Chanho Park Reviewed-by: Rob Herring Signed-off-by: Rob Herring Link: https://lore.kernel.org/r/20211018124216.153072-13-chanho61.park@samsung.com --- diff --git a/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml index b9ca8ef4f2be5..691741f9d6c0e 100644 --- a/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml +++ b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml @@ -54,6 +54,14 @@ properties: phy-names: const: ufs-phy + samsung,sysreg: + $ref: '/schemas/types.yaml#/definitions/phandle-array' + description: Should be phandle/offset pair. The phandle to the syscon node + which indicates the FSYSx sysreg interface and the offset of + the control register for UFS io coherency setting. + + dma-coherent: true + required: - compatible - reg