Merge branch 'Mediatek-mt8188'

Jianguo Zhang says:

====================
Mediatek ethernet patches for mt8188

Changes in v7:

v7:
1) Add 'Reviewed-by: AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>' info in commit message of
patch 'dt-bindings: net: snps,dwmac: add new property snps,clk-csr',
'arm64: dts: mediatek: mt2712e: Update the name of property 'clk_csr''
and 'net: stmmac: add a parse for new property 'snps,clk-csr''.

v6:
1) Update commit message of patch 'dt-bindings: net: snps,dwmac: add new property snps,clk-csr'
2) Add a parse for new property 'snps,clk-csr' in patch
'net: stmmac: add a parse for new property 'snps,clk-csr''

v5:
1) Rename the property 'clk_csr' as 'snps,clk-csr' in binding
file as Krzysztof Kozlowski'comment.
2) Add DTS patch 'arm64: dts: mediatek: mt2712e: Update the name of property 'clk_csr''
as Krzysztof Kozlowski'comment.
3) Add driver patch 'net: stmmac: Update the name of property 'clk_csr''
as Krzysztof Kozlowski'comment.

v4:
1) Update the commit message of patch 'dt-bindings: net: snps,dwmac: add clk_csr property'
as Krzysztof Kozlowski'comment.

v3:
1) List the names of SoCs mt8188 and mt8195 in correct order as
AngeloGioacchino Del Regno's comment.
2) Add patch version info as Krzysztof Kozlowski'comment.

v2:
1) Delete patch 'stmmac: dwmac-mediatek: add support for mt8188' as
Krzysztof Kozlowski's comment.
2) Update patch 'dt-bindings: net: mediatek-dwmac: add support for
mt8188' as Krzysztof Kozlowski's comment.
3) Add clk_csr property to fix warning ('clk_csr' was unexpected) when
runnig 'make dtbs_check'.

v1:
1) Add ethernet driver entry for mt8188.
2) Add binding document for ethernet on mt8188.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

4 files changed, 16 insertions, 4 deletions

diff --git a/Documentation/devicetree/bindings/net/mediatek-dwmac.yaml b/Documentation/devicetree/bindings/net/mediatek-dwmac.yaml
index 61b2fb9e141b..0fa2132fa4f4 100644
--- a/Documentation/devicetree/bindings/net/mediatek-dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/mediatek-dwmac.yaml
@@ -19,6 +19,7 @@ select:
       contains:
         enum:
           - mediatek,mt2712-gmac
+          - mediatek,mt8188-gmac
           - mediatek,mt8195-gmac
   required:
     - compatible
@@ -37,6 +38,11 @@ properties:
           - enum:
               - mediatek,mt8195-gmac
           - const: snps,dwmac-5.10a
+      - items:
+          - enum:
+              - mediatek,mt8188-gmac
+          - const: mediatek,mt8195-gmac
+          - const: snps,dwmac-5.10a
 
   clocks:
     minItems: 5
@@ -74,7 +80,7 @@ properties:
       or will round down. Range 0~31*170.
       For MT2712 RMII/MII interface, Allowed value need to be a multiple of 550,
       or will round down. Range 0~31*550.
-      For MT8195 RGMII/RMII/MII interface, Allowed value need to be a multiple of 290,
+      For MT8188/MT8195 RGMII/RMII/MII interface, Allowed value need to be a multiple of 290,
       or will round down. Range 0~31*290.
 
   mediatek,rx-delay-ps:
@@ -84,7 +90,7 @@ properties:
       or will round down. Range 0~31*170.
       For MT2712 RMII/MII interface, Allowed value need to be a multiple of 550,
       or will round down. Range 0~31*550.
-      For MT8195 RGMII/RMII/MII interface, Allowed value need to be a multiple
+      For MT8188/MT8195 RGMII/RMII/MII interface, Allowed value need to be a multiple
       of 290, or will round down. Range 0~31*290.
 
   mediatek,rmii-rxc:
diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
index 7fa60e6e14c3..f94a0a4320f1 100644
--- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
@@ -289,6 +289,11 @@ properties:
       is supported. For example, this is used in case of SGMII and
       MAC2MAC connection.
 
+  snps,clk-csr:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      Frequency division factor for MDC clock.
+
   mdio:
     $ref: mdio.yaml#
     unevaluatedProperties: false
diff --git a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
index 4797537cb368..e6d7453e56e0 100644
--- a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
@@ -756,7 +756,7 @@
 		snps,mtl-tx-config = <&mtl_tx_setup>;
 		snps,txpbl = <1>;
 		snps,rxpbl = <1>;
-		clk_csr = <0>;
+		snps,clk-csr = <0>;
 		status = "disabled";
 	};
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index b0b09c77711d..50f6b4a14be4 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -444,7 +444,8 @@ stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac)
 	 * or get clk_csr from device tree.
 	 */
 	plat->clk_csr = -1;
-	of_property_read_u32(np, "clk_csr", &plat->clk_csr);
+	if (of_property_read_u32(np, "snps,clk-csr", &plat->clk_csr))
+		of_property_read_u32(np, "clk_csr", &plat->clk_csr);
 
 	/* "snps,phy-addr" is not a standard property. Mark it as deprecated
 	 * and warn of its use. Remove this when phy node support is added.