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Tue, 14 Nov 2023 19:26:57 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1782598948372653573 X-GMAIL-MSGID: 1782598948372653573 On platform IPQ5332, the MDIO address of qca8084 can be programed when the device tree property "fixup" defined, the clock sequence needs to be completed before the PHY probeable. Signed-off-by: Luo Jie --- .../bindings/net/qcom,ipq4019-mdio.yaml | 138 +++++++++++++++++- 1 file changed, 130 insertions(+), 8 deletions(-) diff --git a/Documentation/devicetree/bindings/net/qcom,ipq4019-mdio.yaml b/Documentation/devicetree/bindings/net/qcom,ipq4019-mdio.yaml index 3407e909e8a7..7ff92be14ee1 100644 --- a/Documentation/devicetree/bindings/net/qcom,ipq4019-mdio.yaml +++ b/Documentation/devicetree/bindings/net/qcom,ipq4019-mdio.yaml @@ -15,11 +15,13 @@ properties: - enum: - qcom,ipq4019-mdio - qcom,ipq5018-mdio + - qcom,ipq5332-mdio - items: - enum: - qcom,ipq6018-mdio - qcom,ipq8074-mdio + - qcom,ipq9574-mdio - const: qcom,ipq4019-mdio "#address-cells": @@ -30,19 +32,47 @@ properties: reg: minItems: 1 - maxItems: 2 + maxItems: 5 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. + the first Address and length of the register set for the MDIO controller, + the optional second, third and fourth address and length of the register + for ethernet LDO, these three address range are required by the platform + IPQ50xx/IPQ5332, the last address and length is for the CMN clock to + select the reference clock. + + reg-names: + minItems: 1 + maxItems: 5 clocks: - items: - - description: MDIO clock source frequency fixed to 100MHZ + minItems: 1 + maxItems: 5 + description: + MDIO system clock frequency fixed to 100MHZ, and the GCC uniphy + clocks enabled for resetting ethernet PHY. clock-names: - items: - - const: gcc_mdio_ahb_clk + minItems: 1 + maxItems: 5 + + phy-reset-gpio: + minItems: 1 + maxItems: 3 + description: + GPIO used to reset the PHY, each GPIO is for resetting the connected + ethernet PHY device. + + phyaddr-fixup: + description: Register address for programing MDIO address of PHY devices + + pcsaddr-fixup: + description: Register address for programing MDIO address of PCS devices + + mdio-clk-fixup: + description: The initialization clocks to be configured + + fixup: + description: The MDIO address of PHY/PCS device to be programed required: - compatible @@ -61,6 +91,8 @@ allOf: - qcom,ipq5018-mdio - qcom,ipq6018-mdio - qcom,ipq8074-mdio + - qcom,ipq5332-mdio + - qcom,ipq9574-mdio then: required: - clocks @@ -70,6 +102,29 @@ allOf: clocks: false clock-names: false + - if: + properties: + compatible: + contains: + enum: + - qcom,ipq5332-mdio + then: + properties: + clocks: + items: + - description: MDIO clock source frequency fixed to 100MHZ + - description: UNIPHY0 AHB clock source frequency fixed to 100MHZ + - description: UNIPHY0 SYS clock source frequency fixed to 24MHZ + - description: UNIPHY1 AHB clock source frequency fixed to 100MHZ + - description: UNIPHY1 SYS clock source frequency fixed to 24MHZ + clock-names: + items: + - const: gcc_mdio_ahb_clk + - const: gcc_uniphy0_ahb_clk + - const: gcc_uniphy0_sys_clk + - const: gcc_uniphy1_ahb_clk + - const: gcc_uniphy1_sys_clk + unevaluatedProperties: false examples: @@ -100,3 +155,70 @@ examples: reg = <4>; }; }; + + - | + #include + #include + + mdio@90000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "qcom,ipq5332-mdio"; + reg = <0x90000 0x64>, <0x7A00610 0x4>, <0x7A10610 0x4>, <0x9B000 0x800>; + reg-names = "mdio", "eth_ldo1", "eth_ldo2", "cmn_blk"; + + clocks = <&gcc GCC_MDIO_AHB_CLK>, + <&gcc GCC_UNIPHY0_AHB_CLK>, + <&gcc GCC_UNIPHY0_SYS_CLK>, + <&gcc GCC_UNIPHY1_AHB_CLK>, + <&gcc GCC_UNIPHY1_SYS_CLK>; + + clock-names = "gcc_mdio_ahb_clk", + "gcc_uniphy0_ahb_clk", + "gcc_uniphy0_sys_clk", + "gcc_uniphy1_ahb_clk", + "gcc_uniphy1_sys_clk"; + + phy-reset-gpio = <&tlmm 51 GPIO_ACTIVE_LOW>; + phyaddr-fixup = <0xC90F018>; + pcsaddr-fixup = <0xC90F014>; + mdio-clk-fixup; + + qca8kphy0: ethernet-phy@1 { + reg = <1>; + fixup; + }; + + qca8kphy1: ethernet-phy@2 { + reg = <2>; + fixup; + }; + + qca8kphy2: ethernet-phy@3 { + reg = <3>; + fixup; + }; + + qca8kphy3: ethernet-phy@4 { + reg = <4>; + fixup; + }; + + qca8kpcs0: pcsphy0@5 { + compatible = "qcom,qca8k_pcs"; + reg = <5>; + fixup; + }; + + qca8kpcs1: pcsphy1@6 { + compatible = "qcom,qca8k_pcs"; + reg = <6>; + fixup; + }; + + qca8kxpcs: xpcsphy@7 { + compatible = "qcom,qca8k_pcs"; + reg = <7>; + fixup; + }; + };