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Message-ID: <20231225084424.30986-6-quic_luoj@quicinc.com>
Date: Mon, 25 Dec 2023 16:44:24 +0800
From: Luo Jie <quic_luoj@...cinc.com>
To: <agross@...nel.org>, <andersson@...nel.org>, <konrad.dybcio@...aro.org>,
<davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
<pabeni@...hat.com>, <robh+dt@...nel.org>,
<krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
<andrew@...n.ch>, <hkallweit1@...il.com>, <linux@...linux.org.uk>,
<robert.marko@...tura.hr>
CC: <linux-arm-msm@...r.kernel.org>, <netdev@...r.kernel.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<quic_srichara@...cinc.com>
Subject: [PATCH v4 5/5] dt-bindings: net: ipq4019-mdio: Document ipq5332 platform
Update the yaml file for the new DTS properties.
1. qcom,cmn-ref-clock-frequency for the CMN PLL source clock select.
2. clock-frequency for MDIO clock frequency config.
3. add uniphy AHB & SYS GCC clocks.
Signed-off-by: Luo Jie <quic_luoj@...cinc.com>
---
.../bindings/net/qcom,ipq4019-mdio.yaml | 141 +++++++++++++++++-
1 file changed, 136 insertions(+), 5 deletions(-)
diff --git a/Documentation/devicetree/bindings/net/qcom,ipq4019-mdio.yaml b/Documentation/devicetree/bindings/net/qcom,ipq4019-mdio.yaml
index 3407e909e8a7..205500cb1fd1 100644
--- a/Documentation/devicetree/bindings/net/qcom,ipq4019-mdio.yaml
+++ b/Documentation/devicetree/bindings/net/qcom,ipq4019-mdio.yaml
@@ -18,8 +18,10 @@ properties:
- items:
- enum:
+ - qcom,ipq5332-mdio
- qcom,ipq6018-mdio
- qcom,ipq8074-mdio
+ - qcom,ipq9574-mdio
- const: qcom,ipq4019-mdio
"#address-cells":
@@ -30,19 +32,76 @@ properties:
reg:
minItems: 1
- maxItems: 2
- description:
- the first Address and length of the register set for the MDIO controller.
- the second Address and length of the register for ethernet LDO, this second
- address range is only required by the platform IPQ50xx.
+ maxItems: 5
+ description: |
+ The first address and length of the register set for the MDIO controller,
+ the optional second address and length of the register is for CMN block,
+ the optional third, fourth and fifth address and length of the register
+ for Ethernet LDO, the optional Ethernet LDO address range is required by
+ the platform IPQ50xx/IPQ5332.
+
+ reg-names:
+ minItems: 1
+ items:
+ - const: mdio
+ - const: cmn_blk
+ - const: eth_ldo1
+ - const: eth_ldo2
+ - const: eth_ldo3
clocks:
+ minItems: 1
items:
- description: MDIO clock source frequency fixed to 100MHZ
+ - description: UNIPHY0 AHB clock source frequency fixed to 100MHZ
+ - description: UNIPHY1 AHB clock source frequency fixed to 100MHZ
+ - description: UNIPHY0 SYS clock source frequency fixed to 24MHZ
+ - description: UNIPHY1 SYS clock source frequency fixed to 24MHZ
clock-names:
+ minItems: 1
items:
- const: gcc_mdio_ahb_clk
+ - const: uniphy0_ahb
+ - const: uniphy1_ahb
+ - const: uniphy0_sys
+ - const: uniphy1_sys
+
+ qcom,cmn-ref-clock-frequency:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum:
+ - 25000000
+ - 31250000
+ - 40000000
+ - 48000000
+ - 50000000
+ - 96000000
+ default: 48000000
+ description: |
+ The reference clock source of CMN PLL block is selectable, the
+ reference clock source can be from wifi module or the external
+ xtal, the reference clock frequency 48MHZ can be from internal
+ wifi or the external xtal, if absent, the internal 48MHZ is used,
+ if the 48MHZ is specified, which means the external 48Mhz is used.
+
+ clock-frequency:
+ enum:
+ - 390625
+ - 781250
+ - 1562500
+ - 3125000
+ - 6250000
+ - 12500000
+ default: 390625
+ description: |
+ The MDIO bus clock that must be output by the MDIO bus hardware,
+ only the listed frequencies above can be supported, other frequency
+ will cause malfunction. If absent, the default hardware value 0xff
+ is used, which means the default MDIO clock frequency 390625HZ, The
+ MDIO clock frequency is MDIO_SYS_CLK/(MDIO_CLK_DIV + 1), the SoC
+ MDIO_SYS_CLK is fixed to 100MHZ, the MDIO_CLK_DIV is from MDIO control
+ register, there is higher clock frequency requirement on the normal
+ working case where the MDIO slave devices support high clock frequency.
required:
- compatible
@@ -59,8 +118,10 @@ allOf:
contains:
enum:
- qcom,ipq5018-mdio
+ - qcom,ipq5332-mdio
- qcom,ipq6018-mdio
- qcom,ipq8074-mdio
+ - qcom,ipq9574-mdio
then:
required:
- clocks
@@ -70,6 +131,20 @@ allOf:
clocks: false
clock-names: false
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,ipq5332-mdio
+ then:
+ properties:
+ clocks:
+ minItems: 5
+ maxItems: 5
+ reg-names:
+ minItems: 4
+
unevaluatedProperties: false
examples:
@@ -100,3 +175,59 @@ examples:
reg = <4>;
};
};
+
+ - |
+ #include <dt-bindings/clock/qcom,ipq5332-gcc.h>
+ #include <dt-bindings/gpio/gpio.h>
+
+ mdio@...00 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "qcom,ipq5332-mdio",
+ "qcom,ipq4019-mdio";
+
+ reg = <0x90000 0x64>,
+ <0x9b000 0x800>,
+ <0x7a00610 0x4>,
+ <0x7a10610 0x4>;
+
+ reg-names = "mdio",
+ "cmn_blk",
+ "eth_ldo1",
+ "eth_ldo2";
+
+ clocks = <&gcc GCC_MDIO_AHB_CLK>,
+ <&gcc GCC_UNIPHY0_AHB_CLK>,
+ <&gcc GCC_UNIPHY1_AHB_CLK>,
+ <&gcc GCC_UNIPHY0_SYS_CLK>,
+ <&gcc GCC_UNIPHY1_SYS_CLK>;
+
+ clock-names = "gcc_mdio_ahb_clk",
+ "uniphy0_ahb",
+ "uniphy1_ahb",
+ "uniphy0_sys",
+ "uniphy1_sys";
+
+ clock-frequency = <6250000>;
+ reset-gpios = <&tlmm 51 GPIO_ACTIVE_LOW>;
+
+ qca8kphy0: ethernet-phy@1 {
+ compatible = "ethernet-phy-id004d.d180";
+ reg = <1>;
+ };
+
+ qca8kphy1: ethernet-phy@2 {
+ compatible = "ethernet-phy-id004d.d180";
+ reg = <2>;
+ };
+
+ qca8kphy2: ethernet-phy@3 {
+ compatible = "ethernet-phy-id004d.d180";
+ reg = <3>;
+ };
+
+ qca8kphy3: ethernet-phy@4 {
+ compatible = "ethernet-phy-id004d.d180";
+ reg = <4>;
+ };
+ };
--
2.42.0
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