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Message-Id: <20220331161459.16499-1-jbx6244@gmail.com>
Date: Thu, 31 Mar 2022 18:14:57 +0200
From: Johan Jonker <jbx6244@...il.com>
To: heiko@...ech.de
Cc: robh+dt@...nel.org, krzk+dt@...nel.org, davem@...emloft.net,
kuba@...nel.org, pabeni@...hat.com, netdev@...r.kernel.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1 1/3] dt-bindings: net: convert emac_rockchip.txt to YAML
Convert emac_rockchip.txt to YAML.
Changes against original bindings:
Add mdio sub node.
Signed-off-by: Johan Jonker <jbx6244@...il.com>
---
.../devicetree/bindings/net/emac_rockchip.txt | 52 --------
.../bindings/net/emac_rockchip.yaml | 112 ++++++++++++++++++
2 files changed, 112 insertions(+), 52 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/net/emac_rockchip.txt
create mode 100644 Documentation/devicetree/bindings/net/emac_rockchip.yaml
diff --git a/Documentation/devicetree/bindings/net/emac_rockchip.txt b/Documentation/devicetree/bindings/net/emac_rockchip.txt
deleted file mode 100644
index 05bd7dafc..000000000
--- a/Documentation/devicetree/bindings/net/emac_rockchip.txt
+++ /dev/null
@@ -1,52 +0,0 @@
-* ARC EMAC 10/100 Ethernet platform driver for Rockchip RK3036/RK3066/RK3188 SoCs
-
-Required properties:
-- compatible: should be "rockchip,<name>-emac"
- "rockchip,rk3036-emac": found on RK3036 SoCs
- "rockchip,rk3066-emac": found on RK3066 SoCs
- "rockchip,rk3188-emac": found on RK3188 SoCs
-- reg: Address and length of the register set for the device
-- interrupts: Should contain the EMAC interrupts
-- rockchip,grf: phandle to the syscon grf used to control speed and mode
- for emac.
-- phy: see ethernet.txt file in the same directory.
-- phy-mode: see ethernet.txt file in the same directory.
-
-Optional properties:
-- phy-supply: phandle to a regulator if the PHY needs one
-
-Clock handling:
-- clocks: Must contain an entry for each entry in clock-names.
-- clock-names: Shall be "hclk" for the host clock needed to calculate and set
- polling period of EMAC and "macref" for the reference clock needed to transfer
- data to and from the phy.
-
-Child nodes of the driver are the individual PHY devices connected to the
-MDIO bus. They must have a "reg" property given the PHY address on the MDIO bus.
-
-Examples:
-
-ethernet@...04000 {
- compatible = "rockchip,rk3188-emac";
- reg = <0xc0fc2000 0x3c>;
- interrupts = <6>;
- mac-address = [ 00 11 22 33 44 55 ];
-
- clocks = <&cru HCLK_EMAC>, <&cru SCLK_MAC>;
- clock-names = "hclk", "macref";
-
- pinctrl-names = "default";
- pinctrl-0 = <&emac_xfer>, <&emac_mdio>, <&phy_int>;
-
- rockchip,grf = <&grf>;
-
- phy = <&phy0>;
- phy-mode = "rmii";
- phy-supply = <&vcc_rmii>;
-
- #address-cells = <1>;
- #size-cells = <0>;
- phy0: ethernet-phy@0 {
- reg = <1>;
- };
-};
diff --git a/Documentation/devicetree/bindings/net/emac_rockchip.yaml b/Documentation/devicetree/bindings/net/emac_rockchip.yaml
new file mode 100644
index 000000000..03173fa7b
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/emac_rockchip.yaml
@@ -0,0 +1,112 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/emac_rockchip.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip RK3036/RK3066/RK3188 Ethernet Media Access Controller (EMAC)
+
+maintainers:
+ - Heiko Stuebner <heiko@...ech.de>
+
+properties:
+ compatible:
+ enum:
+ - rockchip,rk3036-emac
+ - rockchip,rk3066-emac
+ - rockchip,rk3188-emac
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ minItems: 2
+ items:
+ - description: host clock
+ - description: reference clock
+ - description: mac TX/RX clock
+
+ clock-names:
+ minItems: 2
+ items:
+ - const: hclk
+ - const: macref
+ - const: macclk
+
+ rockchip,grf:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description:
+ Phandle to the syscon GRF used to control speed and mode for the EMAC.
+
+ phy-supply:
+ description:
+ Phandle to a regulator if the PHY needs one.
+
+ mdio:
+ $ref: mdio.yaml#
+ unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - rockchip,grf
+
+allOf:
+ - $ref: "ethernet-controller.yaml#"
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: rockchip,rk3036-emac
+
+ then:
+ properties:
+ clocks:
+ minItems: 3
+
+ clock-names:
+ minItems: 3
+
+ else:
+ properties:
+ clocks:
+ maxItems: 2
+
+ clock-names:
+ maxItems: 2
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/rk3188-cru-common.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ ethernet@...04000 {
+ compatible = "rockchip,rk3188-emac";
+ reg = <0xc0fc2000 0x3c>;
+ interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cru HCLK_EMAC>, <&cru SCLK_MAC>;
+ clock-names = "hclk", "macref";
+ rockchip,grf = <&grf>;
+ pinctrl-0 = <&emac_xfer>, <&emac_mdio>, <&phy_int>;
+ pinctrl-names = "default";
+ phy-handle = <&phy0>;
+ phy-mode = "rmii";
+ phy-supply = <&vcc_rmii>;
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ phy0: ethernet-phy@0 {
+ reg = <1>;
+ };
+ };
+ };
--
2.20.1
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