[PATCH net-next v7 6/6] net: dt-bindings: dwmac: add support for mt8195

Biao Huang
2021-12-08T05:52:10Z

Add binding document for the ethernet on mt8195.

Signed-off-by: Biao Huang <biao.huang@mediatek.com>
---
.../bindings/net/mediatek-dwmac.yaml | 86 +++++++++++++++----
1 file changed, 70 insertions(+), 16 deletions(-)

diff --git a/Documentation/devicetree/bindings/net/mediatek-dwmac.yaml b/Documentation/devicetree/bindings/net/mediatek-dwmac.yaml
index 9207266a6e69..fb04166404d8 100644
--- a/Documentation/devicetree/bindings/net/mediatek-dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/mediatek-dwmac.yaml
@@ -19,11 +19,67 @@ select:
contains:
enum:
- mediatek,mt2712-gmac
+ - mediatek,mt8195-gmac
required:
- compatible

allOf:
- $ref: "snps,dwmac.yaml#"
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - mediatek,mt2712-gmac
+
+ then:
+ properties:
+ clocks:
+ minItems: 5
+ items:
+ - description: AXI clock
+ - description: APB clock
+ - description: MAC Main clock
+ - description: PTP clock
+ - description: RMII reference clock provided by MAC
+
+ clock-names:
+ minItems: 5
+ items:
+ - const: axi
+ - const: apb
+ - const: mac_main
+ - const: ptp_ref
+ - const: rmii_internal
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - mediatek,mt8195-gmac
+
+ then:
+ properties:
+ clocks:
+ minItems: 6
+ items:
+ - description: AXI clock
+ - description: APB clock
+ - description: MAC clock gate
+ - description: MAC Main clock
+ - description: PTP clock
+ - description: RMII reference clock provided by MAC
+
+ clock-names:
+ minItems: 6
+ items:
+ - const: axi
+ - const: apb
+ - const: mac_cg
+ - const: mac_main
+ - const: ptp_ref
+ - const: rmii_internal

properties:
compatible:
@@ -32,22 +88,10 @@ properties:
- enum:
- mediatek,mt2712-gmac
- const: snps,dwmac-4.20a
-
- clocks:
- items:
- - description: AXI clock
- - description: APB clock
- - description: MAC Main clock
- - description: PTP clock
- - description: RMII reference clock provided by MAC
-
- clock-names:
- items:
- - const: axi
- - const: apb
- - const: mac_main
- - const: ptp_ref
- - const: rmii_internal
+ - items:
+ - enum:
+ - mediatek,mt8195-gmac
+ - const: snps,dwmac-5.10a

mediatek,pericfg:
$ref: /schemas/types.yaml#/definitions/phandle
@@ -62,6 +106,8 @@ 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,
+ or will round down. Range 0~31*290.

mediatek,rx-delay-ps:
description:
@@ -70,6 +116,8 @@ 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, or will round down. Range 0~31*290.

mediatek,rmii-rxc:
type: boolean
@@ -103,6 +151,12 @@ properties:
3. the inside clock, which be sent to MAC, will be inversed in RMII case when
the reference clock is from MAC.

+ mediatek,mac-wol:
+ type: boolean
+ description:
+ If present, indicates that MAC supports WOL(Wake-On-LAN), and MAC WOL will be enabled.
+ Otherwise, PHY WOL is perferred.
+
required:
- compatible
- reg
--
2.25.1