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[71.34.69.82]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-72407a17ed3sm2541107b3a.142.2024.11.07.18.36.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Nov 2024 18:36:07 -0800 (PST) Date: Thu, 7 Nov 2024 18:36:04 -0800 From: Drew Fustini To: Drew Fustini Cc: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alexandre Torgue , Giuseppe Cavallaro , Jose Abreu , Maxime Coquelin , Emil Renner Berthing , Jisheng Zhang , Guo Ren , Fu Wei , Paul Walmsley , Palmer Dabbelt , Albert Ou , Andrew Lunn , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com Subject: Re: [PATCH net-next v4 3/3] riscv: dts: thead: Add TH1520 ethernet nodes Message-ID: References: <20241020-th1520-dwmac-v4-0-c77acd33ccef@tenstorrent.com> <20241020-th1520-dwmac-v4-3-c77acd33ccef@tenstorrent.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241020-th1520-dwmac-v4-3-c77acd33ccef@tenstorrent.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241107_183609_336428_80E68440 X-CRM114-Status: GOOD ( 18.93 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sun, Oct 20, 2024 at 07:36:02PM -0700, Drew Fustini wrote: > From: Emil Renner Berthing > > Add gmac, mdio, and phy nodes to enable the gigabit Ethernet ports on > the BeagleV Ahead and Sipeed Lichee Pi 4a boards. > > Signed-off-by: Emil Renner Berthing > [drew: change apb registers from syscon to second reg of gmac node, > add phy reset delay properties for beaglev ahead] > Signed-off-by: Drew Fustini > --- > arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts | 91 ++++++++++++++++ > .../boot/dts/thead/th1520-lichee-module-4a.dtsi | 119 +++++++++++++++++++++ > arch/riscv/boot/dts/thead/th1520.dtsi | 50 +++++++++ > 3 files changed, 260 insertions(+) > > diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts > index 86feb3df02c8..21c33f165ba9 100644 > --- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts > +++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts > @@ -15,6 +15,7 @@ / { > compatible = "beagle,beaglev-ahead", "thead,th1520"; > > aliases { > + ethernet0 = &gmac0; > gpio0 = &gpio0; > gpio1 = &gpio1; > gpio2 = &gpio2; > @@ -98,6 +99,25 @@ &emmc { > status = "okay"; > }; > > +&gmac0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&gmac0_pins>; > + phy-handle = <&phy0>; > + phy-mode = "rgmii-id"; > + status = "okay"; > +}; > + > +&mdio0 { > + phy0: ethernet-phy@1 { > + reg = <1>; > + interrupt-parent = <&gpio3>; > + interrupts = <22 IRQ_TYPE_LEVEL_LOW>; > + reset-gpios = <&gpio3 21 GPIO_ACTIVE_LOW>; > + reset-delay-us = <10000>; > + reset-post-delay-us = <50000>; > + }; > +}; > + > &padctrl_aosys { > led_pins: led-0 { > led-pins { > @@ -116,6 +136,77 @@ led-pins { > }; > > &padctrl0_apsys { > + gmac0_pins: gmac0-0 { > + tx-pins { > + pins = "GMAC0_TX_CLK", > + "GMAC0_TXEN", > + "GMAC0_TXD0", > + "GMAC0_TXD1", > + "GMAC0_TXD2", > + "GMAC0_TXD3"; > + function = "gmac0"; > + bias-disable; > + drive-strength = <25>; > + input-disable; > + input-schmitt-disable; > + slew-rate = <0>; > + }; > + > + rx-pins { > + pins = "GMAC0_RX_CLK", > + "GMAC0_RXDV", > + "GMAC0_RXD0", > + "GMAC0_RXD1", > + "GMAC0_RXD2", > + "GMAC0_RXD3"; > + function = "gmac0"; > + bias-disable; > + drive-strength = <1>; > + input-enable; > + input-schmitt-disable; > + slew-rate = <0>; > + }; > + > + mdc-pins { > + pins = "GMAC0_MDC"; > + function = "gmac0"; > + bias-disable; > + drive-strength = <13>; > + input-disable; > + input-schmitt-disable; > + slew-rate = <0>; > + }; > + > + mdio-pins { > + pins = "GMAC0_MDIO"; > + function = "gmac0"; > + bias-disable; > + drive-strength = <13>; > + input-enable; > + input-schmitt-enable; > + slew-rate = <0>; > + }; > + > + phy-reset-pins { > + pins = "GMAC0_COL"; /* GPIO3_21 */ > + bias-disable; > + drive-strength = <3>; > + input-disable; > + input-schmitt-disable; > + slew-rate = <0>; > + }; > + > + phy-interrupt-pins { > + pins = "GMAC0_CRS"; /* GPIO3_22 */ > + function = "gpio"; > + bias-pull-up; > + drive-strength = <1>; > + input-enable; > + input-schmitt-enable; > + slew-rate = <0>; > + }; > + }; > + > uart0_pins: uart0-0 { > tx-pins { > pins = "UART0_TXD"; > diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi > index 724d9645471d..8e76b63e0100 100644 > --- a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi > +++ b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi > @@ -11,6 +11,11 @@ / { > model = "Sipeed Lichee Module 4A"; > compatible = "sipeed,lichee-module-4a", "thead,th1520"; > > + aliases { > + ethernet0 = &gmac0; > + ethernet1 = &gmac1; > + }; > + > memory@0 { > device_type = "memory"; > reg = <0x0 0x00000000 0x2 0x00000000>; > @@ -45,6 +50,22 @@ &emmc { > status = "okay"; > }; > > +&gmac0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&gmac0_pins>, <&mdio0_pins>; > + phy-handle = <&phy0>; > + phy-mode = "rgmii-id"; > + status = "okay"; > +}; > + > +&gmac1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&gmac1_pins>; > + phy-handle = <&phy1>; > + phy-mode = "rgmii-id"; > + status = "okay"; > +}; > + > &gpio0 { > gpio-line-names = "", "", "", "", "", "", "", "", "", "", > "", "", "", "", "", "", "", "", "", "", > @@ -78,6 +99,104 @@ &gpio3 { > "GPIO10"; > }; > > +&mdio0 { > + phy0: ethernet-phy@1 { > + reg = <1>; > + }; > + > + phy1: ethernet-phy@2 { > + reg = <2>; > + }; > +}; > + > +&padctrl0_apsys { > + gmac0_pins: gmac0-0 { > + tx-pins { > + pins = "GMAC0_TX_CLK", > + "GMAC0_TXEN", > + "GMAC0_TXD0", > + "GMAC0_TXD1", > + "GMAC0_TXD2", > + "GMAC0_TXD3"; > + function = "gmac0"; > + bias-disable; > + drive-strength = <25>; > + input-disable; > + input-schmitt-disable; > + slew-rate = <0>; > + }; > + > + rx-pins { > + pins = "GMAC0_RX_CLK", > + "GMAC0_RXDV", > + "GMAC0_RXD0", > + "GMAC0_RXD1", > + "GMAC0_RXD2", > + "GMAC0_RXD3"; > + function = "gmac0"; > + bias-disable; > + drive-strength = <1>; > + input-enable; > + input-schmitt-disable; > + slew-rate = <0>; > + }; > + }; > + > + gmac1_pins: gmac1-0 { > + tx-pins { > + pins = "GPIO2_18", /* GMAC1_TX_CLK */ > + "GPIO2_20", /* GMAC1_TXEN */ > + "GPIO2_21", /* GMAC1_TXD0 */ > + "GPIO2_22", /* GMAC1_TXD1 */ > + "GPIO2_23", /* GMAC1_TXD2 */ > + "GPIO2_24"; /* GMAC1_TXD3 */ > + function = "gmac1"; > + bias-disable; > + drive-strength = <25>; > + input-disable; > + input-schmitt-disable; > + slew-rate = <0>; > + }; > + > + rx-pins { > + pins = "GPIO2_19", /* GMAC1_RX_CLK */ > + "GPIO2_25", /* GMAC1_RXDV */ > + "GPIO2_30", /* GMAC1_RXD0 */ > + "GPIO2_31", /* GMAC1_RXD1 */ > + "GPIO3_0", /* GMAC1_RXD2 */ > + "GPIO3_1"; /* GMAC1_RXD3 */ > + function = "gmac1"; > + bias-disable; > + drive-strength = <1>; > + input-enable; > + input-schmitt-disable; > + slew-rate = <0>; > + }; > + }; > + > + mdio0_pins: mdio0-0 { > + mdc-pins { > + pins = "GMAC0_MDC"; > + function = "gmac0"; > + bias-disable; > + drive-strength = <13>; > + input-disable; > + input-schmitt-disable; > + slew-rate = <0>; > + }; > + > + mdio-pins { > + pins = "GMAC0_MDIO"; > + function = "gmac0"; > + bias-disable; > + drive-strength = <13>; > + input-enable; > + input-schmitt-enable; > + slew-rate = <0>; > + }; > + }; > +}; > + > &sdio0 { > bus-width = <4>; > max-frequency = <198000000>; > diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi > index cd835aea07d2..acfe030e803a 100644 > --- a/arch/riscv/boot/dts/thead/th1520.dtsi > +++ b/arch/riscv/boot/dts/thead/th1520.dtsi > @@ -223,6 +223,12 @@ aonsys_clk: clock-73728000 { > #clock-cells = <0>; > }; > > + stmmac_axi_config: stmmac-axi-config { > + snps,wr_osr_lmt = <15>; > + snps,rd_osr_lmt = <15>; > + snps,blen = <0 0 64 32 0 0 0>; > + }; > + > soc { > compatible = "simple-bus"; > interrupt-parent = <&plic>; > @@ -274,6 +280,50 @@ uart0: serial@ffe7014000 { > status = "disabled"; > }; > > + gmac1: ethernet@ffe7060000 { > + compatible = "thead,th1520-gmac", "snps,dwmac-3.70a"; > + reg = <0xff 0xe7060000 0x0 0x2000>, <0xff 0xec004000 0x0 0x1000>; > + reg-names = "dwmac", "apb"; > + interrupts = <67 IRQ_TYPE_LEVEL_HIGH>; > + interrupt-names = "macirq"; > + clocks = <&clk CLK_GMAC_AXI>, <&clk CLK_GMAC1>; > + clock-names = "stmmaceth", "pclk"; > + snps,pbl = <32>; > + snps,fixed-burst; > + snps,multicast-filter-bins = <64>; > + snps,perfect-filter-entries = <32>; > + snps,axi-config = <&stmmac_axi_config>; > + status = "disabled"; > + > + mdio1: mdio { > + compatible = "snps,dwmac-mdio"; > + #address-cells = <1>; > + #size-cells = <0>; > + }; > + }; > + > + gmac0: ethernet@ffe7070000 { > + compatible = "thead,th1520-gmac", "snps,dwmac-3.70a"; > + reg = <0xff 0xe7070000 0x0 0x2000>, <0xff 0xec003000 0x0 0x1000>; > + reg-names = "dwmac", "apb"; > + interrupts = <66 IRQ_TYPE_LEVEL_HIGH>; > + interrupt-names = "macirq"; > + clocks = <&clk CLK_GMAC_AXI>, <&clk CLK_GMAC0>; > + clock-names = "stmmaceth", "pclk"; > + snps,pbl = <32>; > + snps,fixed-burst; > + snps,multicast-filter-bins = <64>; > + snps,perfect-filter-entries = <32>; > + snps,axi-config = <&stmmac_axi_config>; > + status = "disabled"; > + > + mdio0: mdio { > + compatible = "snps,dwmac-mdio"; > + #address-cells = <1>; > + #size-cells = <0>; > + }; > + }; > + > emmc: mmc@ffe7080000 { > compatible = "thead,th1520-dwcmshc"; > reg = <0xff 0xe7080000 0x0 0x10000>; > > -- > 2.34.1 > The dwmac-thead driver and dt binding have been applied to net-next [1] so I have now applied this dts patch to thead-dt-for-next [2]. -Drew [1] https://lore.kernel.org/linux-riscv/173085843050.764350.5609116722213276708.git-patchwork-notify@kernel.org/ [2] https://github.com/pdp7/linux/commit/7e756671a664b73b2a3c0cc37fd25abf6bcd851e