From 1f6c3899833a328d42647cc3894cda3c9f9abaf8 Mon Sep 17 00:00:00 2001 From: Swathi K S Date: Wed, 5 Mar 2025 14:42:45 +0530 Subject: [PATCH 1/2] dt-bindings: net: Add FSD EQoS device tree bindings Add FSD Ethernet compatible in Synopsys dt-bindings document. Add FSD Ethernet YAML schema to enable the DT validation. Signed-off-by: Pankaj Dubey Signed-off-by: Ravi Patel Signed-off-by: Swathi K S Reviewed-by: Krzysztof Kozlowski Link: https://patch.msgid.link/20250305091246.106626-2-swathi.ks@samsung.com Signed-off-by: Jakub Kicinski --- .../devicetree/bindings/net/snps,dwmac.yaml | 5 +- .../bindings/net/tesla,fsd-ethqos.yaml | 118 ++++++++++++++++++ 2 files changed, 121 insertions(+), 2 deletions(-) create mode 100644 Documentation/devicetree/bindings/net/tesla,fsd-ethqos.yaml diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml index 91e75eb3f329..c7004eaa8eae 100644 --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml @@ -102,6 +102,7 @@ properties: - snps,dwxgmac-2.10 - starfive,jh7100-dwmac - starfive,jh7110-dwmac + - tesla,fsd-ethqos - thead,th1520-gmac reg: @@ -126,7 +127,7 @@ properties: clocks: minItems: 1 - maxItems: 8 + maxItems: 10 additionalItems: true items: - description: GMAC main clock @@ -138,7 +139,7 @@ properties: clock-names: minItems: 1 - maxItems: 8 + maxItems: 10 additionalItems: true contains: enum: diff --git a/Documentation/devicetree/bindings/net/tesla,fsd-ethqos.yaml b/Documentation/devicetree/bindings/net/tesla,fsd-ethqos.yaml new file mode 100644 index 000000000000..dd7481bb16e5 --- /dev/null +++ b/Documentation/devicetree/bindings/net/tesla,fsd-ethqos.yaml @@ -0,0 +1,118 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/tesla,fsd-ethqos.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: FSD Ethernet Quality of Service + +maintainers: + - Swathi K S + +description: + Tesla ethernet devices based on dwmmac support Gigabit ethernet. + +allOf: + - $ref: snps,dwmac.yaml# + +properties: + compatible: + const: tesla,fsd-ethqos + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + interrupt-names: + items: + - const: macirq + + clocks: + minItems: 5 + items: + - description: PTP clock + - description: Master bus clock + - description: Slave bus clock + - description: MAC TX clock + - description: MAC RX clock + - description: Master2 bus clock + - description: Slave2 bus clock + - description: RX MUX clock + - description: PHY RX clock + - description: PERIC RGMII clock + + clock-names: + minItems: 5 + items: + - const: ptp_ref + - const: master_bus + - const: slave_bus + - const: tx + - const: rx + - const: master2_bus + - const: slave2_bus + - const: eqos_rxclk_mux + - const: eqos_phyrxclk + - const: dout_peric_rgmii_clk + + iommus: + maxItems: 1 + + phy-mode: + enum: + - rgmii + - rgmii-id + - rgmii-rxid + - rgmii-txid + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - iommus + - phy-mode + +unevaluatedProperties: false + +examples: + - | + #include + #include + soc { + #address-cells = <2>; + #size-cells = <2>; + ethernet1: ethernet@14300000 { + compatible = "tesla,fsd-ethqos"; + reg = <0x0 0x14300000 0x0 0x10000>; + interrupts = ; + interrupt-names = "macirq"; + clocks = <&clock_peric PERIC_EQOS_TOP_IPCLKPORT_CLK_PTP_REF_I>, + <&clock_peric PERIC_EQOS_TOP_IPCLKPORT_ACLK_I>, + <&clock_peric PERIC_EQOS_TOP_IPCLKPORT_HCLK_I>, + <&clock_peric PERIC_EQOS_TOP_IPCLKPORT_RGMII_CLK_I>, + <&clock_peric PERIC_EQOS_TOP_IPCLKPORT_CLK_RX_I>, + <&clock_peric PERIC_BUS_D_PERIC_IPCLKPORT_EQOSCLK>, + <&clock_peric PERIC_BUS_P_PERIC_IPCLKPORT_EQOSCLK>, + <&clock_peric PERIC_EQOS_PHYRXCLK_MUX>, + <&clock_peric PERIC_EQOS_PHYRXCLK>, + <&clock_peric PERIC_DOUT_RGMII_CLK>; + clock-names = "ptp_ref", "master_bus", "slave_bus","tx", + "rx", "master2_bus", "slave2_bus", "eqos_rxclk_mux", + "eqos_phyrxclk","dout_peric_rgmii_clk"; + assigned-clocks = <&clock_peric PERIC_EQOS_PHYRXCLK_MUX>, + <&clock_peric PERIC_EQOS_PHYRXCLK>; + assigned-clock-parents = <&clock_peric PERIC_EQOS_PHYRXCLK>; + pinctrl-names = "default"; + pinctrl-0 = <ð1_tx_clk>, <ð1_tx_data>, <ð1_tx_ctrl>, + <ð1_phy_intr>, <ð1_rx_clk>, <ð1_rx_data>, + <ð1_rx_ctrl>, <ð1_mdio>; + iommus = <&smmu_peric 0x0 0x1>; + phy-mode = "rgmii-id"; + }; + }; + +... From ae7f6b34f5cd3acab74b1042a065b22f873c195a Mon Sep 17 00:00:00 2001 From: Swathi K S Date: Wed, 5 Mar 2025 14:42:46 +0530 Subject: [PATCH 2/2] net: stmmac: dwc-qos: Add FSD EQoS support The FSD SoC contains two instance of the Synopsys DWC ethernet QOS IP core. The binding that it uses is slightly different from existing ones because of the integration (clocks, resets). Signed-off-by: Swathi K S Reviewed-by: Russell King (Oracle) Link: https://patch.msgid.link/20250305091246.106626-3-swathi.ks@samsung.com Signed-off-by: Jakub Kicinski --- drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c index 3f0f4ea6cf2e..f18fc4f183fe 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c @@ -319,6 +319,10 @@ static const struct dwc_eth_dwmac_data tegra_eqos_data = { .stmmac_clk_name = "slave_bus", }; +static const struct dwc_eth_dwmac_data fsd_eqos_data = { + .stmmac_clk_name = "slave_bus", +}; + static int dwc_eth_dwmac_probe(struct platform_device *pdev) { const struct dwc_eth_dwmac_data *data; @@ -359,7 +363,8 @@ static int dwc_eth_dwmac_probe(struct platform_device *pdev) plat_dat->stmmac_clk = dwc_eth_find_clk(plat_dat, data->stmmac_clk_name); - ret = data->probe(pdev, plat_dat, &stmmac_res); + if (data->probe) + ret = data->probe(pdev, plat_dat, &stmmac_res); if (ret < 0) { dev_err_probe(&pdev->dev, ret, "failed to probe subdriver\n"); clk_bulk_disable_unprepare(plat_dat->num_clks, plat_dat->clks); @@ -400,6 +405,7 @@ static void dwc_eth_dwmac_remove(struct platform_device *pdev) static const struct of_device_id dwc_eth_dwmac_match[] = { { .compatible = "snps,dwc-qos-ethernet-4.10", .data = &dwc_qos_data }, { .compatible = "nvidia,tegra186-eqos", .data = &tegra_eqos_data }, + { .compatible = "tesla,fsd-ethqos", .data = &fsd_eqos_data }, { } }; MODULE_DEVICE_TABLE(of, dwc_eth_dwmac_match);