From nobody Thu Nov 28 22:52:27 2024 Received: from mail-pl1-f180.google.com (mail-pl1-f180.google.com [209.85.214.180]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E989915B122 for ; Thu, 26 Sep 2024 18:16:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.180 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727374581; cv=none; b=pK4TlJ0EUpw+g4A4JUgeBpUe9KOZveo/e5fq3Mu2dZIuxfyg2zCRYIa0FprDnYzLzizT3bnt30v0cdlqzesuIlm2epyBGc3oAo+5wTYXpL4GQ9k9nOstkhP1i8x1lEs9fGRjPU41Wt+OlH485mTa37FD3vWCiRCt+uI3EriL4aw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727374581; c=relaxed/simple; bh=+DmOg772KRTncUlaaGhpnHiKABEQOPwsLnRZwNSfYRQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=iOoP020/cEju5pdKKDg/Hd8cCX2e4BkUHGd3vlGPm8XekpUhdjpXpJutkXeYa8OiAE+04icYBnJQdQhhONEZneRkVvWt/MFfGP1Mb/DzFuK2Ngqsfbi0XlPhiG5tUZAIy7obVkb5TMQw0NfpNvT9Ipsg79sxiQoQvayAnwhOptk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=tenstorrent.com; spf=pass smtp.mailfrom=tenstorrent.com; dkim=pass (2048-bit key) header.d=tenstorrent.com header.i=@tenstorrent.com header.b=aZi7VZdu; arc=none smtp.client-ip=209.85.214.180 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=tenstorrent.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tenstorrent.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tenstorrent.com header.i=@tenstorrent.com header.b="aZi7VZdu" Received: by mail-pl1-f180.google.com with SMTP id d9443c01a7336-20aff65aa37so12059585ad.1 for ; Thu, 26 Sep 2024 11:16:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tenstorrent.com; s=google; t=1727374578; x=1727979378; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=HADv+qSfkgZ8nk61nX3QcQ1gwTszTm91CMmr80W4IFM=; b=aZi7VZdudtEJedCaPH/rzMzSyFEqiaoeHHwkTNbmz4QLqj1G9spk5cENojuXi3fJwS lzE1J9SBm+jLsEjxuYxb/vAio/2JDkgj+asVpYMff4bRY5JRTks6urL0C1JQeG4/1IU1 HfdmSGLx/cMDvsTCC9t8irl+ZEMLWiTBrmqkfzIeTartjiuw1FB/ZFMKkIds/tuIYWeJ jSHTnvmLIwg8mc07nfQe8idiSIkRi9c2KOpDUlKduYGkjMZmqzaRGAdsgXoMnqFjoVpS DvPxYCxplq3dx5M+Ux2oDj9wu50aCE9ybphOedP3lK80Jyn6eWPgM9jSXAyRwB1zd2Mi ecpw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727374578; x=1727979378; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=HADv+qSfkgZ8nk61nX3QcQ1gwTszTm91CMmr80W4IFM=; b=mdmupzzN8WsquuW2TfCMilDKaJqItb8YnApU4AiS/KkXnKpze/benEOIUsdL6CELMU spDBEG9WTxCMafrtaEwwl3ByX32Eg+i4ChzTaSf4wsX7exqfodXS6D5ikaEsn/nkRYX+ /9QQP62MXYGzoIpRiR+McHIULmiHwX8OXcle9zVaJ1aJUVIC3OMExNiQEYksNEvBFRwj 57Yg6yVO+aXYWdTdEpHhqkIbDijNtSeDqgbGvf9Az4a4yu1Dn3FYqW2QOobOHditOn5+ nQ6ftaywyotXggY6Fr3PaYvTQPPEGc4Qfkih/lM7nGofoeuo1TWqqvsc4p4C4wdpQoeY xkVQ== X-Forwarded-Encrypted: i=1; AJvYcCXOOEEMzLoD5njdQbXnwd35PnQjy36jNzxraYRPY7vUl20biqYIiydv+KkXeWoDRwpTCSs0vbN+BKX8HLI=@vger.kernel.org X-Gm-Message-State: AOJu0Yw9l2BJgwHcyIoENQ49kFiNZwRDCFkSvZixo//g8pyqz4J6wW7e jx1BrCMyKZGuF19+m+A2XB3loY3jHPn6mk8JRBqUOq5CA8ovFL6xCi41nxW0Pyw= X-Google-Smtp-Source: AGHT+IGj65OstZpitcA04pfkL8g5/NbyWX6+B/UQFa6le4tH/WNWTgOmFuHD32LjEcHjtAPKzkH/Qw== X-Received: by 2002:a17:902:fc47:b0:205:7e3f:9e31 with SMTP id d9443c01a7336-20b37ba6a1emr7187025ad.60.1727374578172; Thu, 26 Sep 2024 11:16:18 -0700 (PDT) Received: from [127.0.1.1] (71-34-69-82.ptld.qwest.net. [71.34.69.82]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20b37d5ef5dsm1454145ad.32.2024.09.26.11.16.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Sep 2024 11:16:17 -0700 (PDT) From: Drew Fustini Date: Thu, 26 Sep 2024 11:15:50 -0700 Subject: [PATCH v2 1/3] dt-bindings: net: Add T-HEAD dwmac support Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240926-th1520-dwmac-v2-1-f34f28ad1dc9@tenstorrent.com> References: <20240926-th1520-dwmac-v2-0-f34f28ad1dc9@tenstorrent.com> In-Reply-To: <20240926-th1520-dwmac-v2-0-f34f28ad1dc9@tenstorrent.com> To: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alexandre Torgue , Giuseppe Cavallaro , Jose Abreu , Jisheng Zhang , Maxime Coquelin , Emil Renner Berthing , Drew Fustini , Guo Ren , Fu Wei , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Drew Fustini Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org X-Mailer: b4 0.14.1 From: Jisheng Zhang Add documentation to describe T-HEAD dwmac. Signed-off-by: Jisheng Zhang Signed-off-by: Emil Renner Berthing [drew: change apb registers from syscon to second reg of gmac node] [drew: rename compatible, add thead rx/tx internal delay properties] Signed-off-by: Drew Fustini --- .../devicetree/bindings/net/snps,dwmac.yaml | 1 + .../devicetree/bindings/net/thead,th1520-gmac.yaml | 109 +++++++++++++++++= ++++ MAINTAINERS | 1 + 3 files changed, 111 insertions(+) diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Docume= ntation/devicetree/bindings/net/snps,dwmac.yaml index 4e2ba1bf788c..474ade185033 100644 --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml @@ -99,6 +99,7 @@ properties: - snps,dwxgmac-2.10 - starfive,jh7100-dwmac - starfive,jh7110-dwmac + - thead,th1520-gmac =20 reg: minItems: 1 diff --git a/Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml b= /Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml new file mode 100644 index 000000000000..1070e891c025 --- /dev/null +++ b/Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml @@ -0,0 +1,109 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/thead,th1520-gmac.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: T-HEAD TH1520 GMAC Ethernet controller + +maintainers: + - Drew Fustini + +description: | + The TH1520 GMAC is described in the TH1520 Peripheral Interface User Man= ual + https://git.beagleboard.org/beaglev-ahead/beaglev-ahead/-/tree/main/docs + + Features include + - Compliant with IEEE802.3 Specification + - IEEE 1588-2008 standard for precision networked clock synchronization + - Supports 10/100/1000Mbps data transfer rate + - Supports RGMII/MII interface + - Preamble and start of frame data (SFD) insertion in Transmit path + - Preamble and SFD deletion in the Receive path + - Automatic CRC and pad generation options for receive frames + - MDIO master interface for PHY device configuration and management + + The GMAC Registers consists of two parts + - APB registers are used to configure clock frequency/clock enable/clo= ck + direction/PHY interface type. + - AHB registers are use to configure GMAC core (DesignWare Core part). + GMAC core register consists of DMA registers and GMAC registers. + +select: + properties: + compatible: + contains: + enum: + - thead,th1520-gmac + required: + - compatible + +allOf: + - $ref: snps,dwmac.yaml# + +properties: + compatible: + items: + - enum: + - thead,th1520-gmac + - const: snps,dwmac-3.70a + + reg: + items: + - description: DesignWare GMAC IP core registers + - description: GMAC APB registers + + reg-names: + items: + - const: dwmac + - const: apb + + thead,rx-internal-delay: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + RGMII receive clock delay. The value is used for the delay_ctrl + field in GMAC_RXCLK_DELAY_CTRL. Units are not specified. + + thead,tx-internal-delay: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + RGMII transmit clock delay. The value is used for the delay_ctrl + field in GMAC_TXCLK_DELAY_CTRL. Units are not specified. + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + - interrupt-names + - phy-mode + +unevaluatedProperties: false + +examples: + - | + gmac0: ethernet@e7070000 { + compatible =3D "thead,th1520-gmac", "snps,dwmac-3.70a"; + reg =3D <0xe7070000 0x2000>, <0xec003000 0x1000>; + reg-names =3D "dwmac", "apb"; + clocks =3D <&clk 1>, <&clk 2>; + clock-names =3D "stmmaceth", "pclk"; + interrupts =3D <66>; + interrupt-names =3D "macirq"; + phy-mode =3D "rgmii-id"; + snps,fixed-burst; + snps,axi-config =3D <&stmmac_axi_setup>; + snps,pbl =3D <32>; + phy-handle =3D <&phy0>; + + mdio { + #address-cells =3D <1>; + #size-cells =3D <0>; + compatible =3D "snps,dwmac-mdio"; + + phy0: ethernet-phy@0 { + reg =3D <0>; + }; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 3e18aefd1222..aaa24189de43 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -19940,6 +19940,7 @@ L: linux-riscv@lists.infradead.org S: Maintained T: git https://github.com/pdp7/linux.git F: Documentation/devicetree/bindings/clock/thead,th1520-clk-ap.yaml +F: Documentation/devicetree/bindings/net/thead,dwmac.yaml F: Documentation/devicetree/bindings/pinctrl/thead,th1520-pinctrl.yaml F: arch/riscv/boot/dts/thead/ F: drivers/clk/thead/clk-th1520-ap.c --=20 2.34.1 From nobody Thu Nov 28 22:52:27 2024 Received: from mail-pl1-f178.google.com (mail-pl1-f178.google.com [209.85.214.178]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DF6CD165F0E for ; Thu, 26 Sep 2024 18:16:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.178 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727374582; cv=none; b=WMJAbNnKEdZZiz5t8V/l0CdTi5mVczsPCNBWHYRTpmGQawDxGjDAgNGiuKL8zTbchnYcYDqtgmke71j7dV9PUm6GPmIGY9OadWKdUUIdiT5/ZMoX6tyDnvMNSEFVb0dwpFD9D+b6ufuC4k55eIC6/u/c5/EoRHuTeBA+vyzIXYo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727374582; c=relaxed/simple; bh=ob+jORi6x4/jDlpJCGImlZOaIC/KY7mkki1GDrJfaGU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Hggtdk3AskumzjYs/zhmIDyr2y8LDbLcMPaZAZ8N4VAS5mrvprEqS6GrsIbY5Svf98S7bCVMAQXt8M8ZpsPCNscX0XbQOBLgnnnD3RTgevKQmUUYQtc9a4/ltDY4rV51qxBsE3QOXaftUmBbWGTrhPDJQXRZXU/5NXjMCEFjLLs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=tenstorrent.com; spf=pass smtp.mailfrom=tenstorrent.com; dkim=pass (2048-bit key) header.d=tenstorrent.com header.i=@tenstorrent.com header.b=PrrxL7Ok; arc=none smtp.client-ip=209.85.214.178 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=tenstorrent.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tenstorrent.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tenstorrent.com header.i=@tenstorrent.com header.b="PrrxL7Ok" Received: by mail-pl1-f178.google.com with SMTP id d9443c01a7336-207397d1000so18587215ad.0 for ; Thu, 26 Sep 2024 11:16:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tenstorrent.com; s=google; t=1727374579; x=1727979379; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=5eo6BGBSqMjOkjndsmDZX4FpvAApYgp6+gixg7TavPE=; b=PrrxL7OklGZOCvHXOubVv2bvxUntc4PtKLRPBaeFhQU819yoH2198CtK2av6oMBlQx hbx2ImGdMIviVXtr8p0PCN8dDQQdmyds83WIw6J7u+fSV62WG/L7/eoaFDNCmZNX1Bxr L1Un8CecZOz9/EOeSo9al47uNiN+/pb9Hu1TN5IRHLZ3aY9gIDlyzLxC1baapzNG4TEU yTcnftoEwyrFF3a/v/HWfGkgGesB3p6xVrgB8Hkl2JNZSDg9Cg9tt1rhjCswmoC9fQBM xfWONcXuHZEZ4HYLGWv+JPV8xC1Eot9yF5G1j7X4K/uYrtjj2YvCfsWDEGoqfx2lBcuJ 5p+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727374579; x=1727979379; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=5eo6BGBSqMjOkjndsmDZX4FpvAApYgp6+gixg7TavPE=; b=r6nmrH4rtxEDUXnoGBoFfvXYSJd2F7/x7KCkZIYeF75ZzvcJCVoLdKjyim5naVp2PX zeAgBsUQKOuMOJkhWHZntfkB90mKluM0Eutc7LERzHxiWg6MbjRYqf8hkNqr+95o8lHo R7LsTpMHqxKBT5/uzk8lkTnIZO1oUB/HxlrbM6ef2HYRi64DQxbaHJUKJrOjseClT6by UPXeFwSFXNZyqd0QQ4KwrKs8FMj85Io+mE1ksKupvFRxb9+FQYdajMPNmwBvsaNto71r uwO2bQ7Vw4u2TtHrtQs8NKevDRCEb2eUlGFukn/To1cUZpVUOJBxeILeSYz+v0vxajnY jaGg== X-Forwarded-Encrypted: i=1; AJvYcCX6YpBoaWlRzmMVmyC8s83M3qHka2cBpk2UTU8Y25v4QD1v4+dMriotW4iXBhCgkMq7dtrnJHaHVNivdJ8=@vger.kernel.org X-Gm-Message-State: AOJu0YxnKG1oLijLLEj8SUSIdwHUz90yRWxJ2oUR4T1M6aS+wynA7R9S bHLOdUB+KeDJDcwi6hNR4QNxt7FPSmcF0Ou9c/6Xw8WQu/0H9fqIR/vBoACmvSU= X-Google-Smtp-Source: AGHT+IEcQ7aPuV83hUB08l5lW3+UGmQ9635noldh8iaH9HdN7qdDiPVays0CEhLeXVnnYeux6+9Nhg== X-Received: by 2002:a17:903:32d0:b0:205:5a3f:76b2 with SMTP id d9443c01a7336-20b19ce53cfmr67019125ad.29.1727374579271; Thu, 26 Sep 2024 11:16:19 -0700 (PDT) Received: from [127.0.1.1] (71-34-69-82.ptld.qwest.net. [71.34.69.82]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20b37d5ef5dsm1454145ad.32.2024.09.26.11.16.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Sep 2024 11:16:19 -0700 (PDT) From: Drew Fustini Date: Thu, 26 Sep 2024 11:15:51 -0700 Subject: [PATCH v2 2/3] net: stmmac: Add glue layer for T-HEAD TH1520 SoC Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240926-th1520-dwmac-v2-2-f34f28ad1dc9@tenstorrent.com> References: <20240926-th1520-dwmac-v2-0-f34f28ad1dc9@tenstorrent.com> In-Reply-To: <20240926-th1520-dwmac-v2-0-f34f28ad1dc9@tenstorrent.com> To: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alexandre Torgue , Giuseppe Cavallaro , Jose Abreu , Jisheng Zhang , Maxime Coquelin , Emil Renner Berthing , Drew Fustini , Guo Ren , Fu Wei , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Drew Fustini Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org X-Mailer: b4 0.14.1 From: Jisheng Zhang Add dwmac glue driver to support the dwmac on the T-HEAD TH1520 SoC. Signed-off-by: Jisheng Zhang [esmil: rename plat->interface -> plat->mac_interface, use devm_stmmac_probe_config_dt()] Signed-off-by: Emil Renner Berthing [drew: change apb registers from syscon to second reg of gmac node] [drew: convert from stmmac_dvr_probe() to devm_stmmac_pltfr_probe()] Signed-off-by: Drew Fustini --- MAINTAINERS | 1 + drivers/net/ethernet/stmicro/stmmac/Kconfig | 11 + drivers/net/ethernet/stmicro/stmmac/Makefile | 1 + drivers/net/ethernet/stmicro/stmmac/dwmac-thead.c | 319 ++++++++++++++++++= ++++ 4 files changed, 332 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index aaa24189de43..54ac52695975 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -19944,6 +19944,7 @@ F: Documentation/devicetree/bindings/net/thead,dwma= c.yaml F: Documentation/devicetree/bindings/pinctrl/thead,th1520-pinctrl.yaml F: arch/riscv/boot/dts/thead/ F: drivers/clk/thead/clk-th1520-ap.c +F: drivers/net/ethernet/stmicro/stmmac/dwmac-thead.c F: drivers/pinctrl/pinctrl-th1520.c F: include/dt-bindings/clock/thead,th1520-clk-ap.h =20 diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethe= rnet/stmicro/stmmac/Kconfig index 05cc07b8f48c..82030adaf16e 100644 --- a/drivers/net/ethernet/stmicro/stmmac/Kconfig +++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig @@ -228,6 +228,17 @@ config DWMAC_SUN8I stmmac device driver. This driver is used for H3/A83T/A64 EMAC ethernet controller. =20 +config DWMAC_THEAD + tristate "T-HEAD dwmac support" + depends on OF && (ARCH_THEAD || COMPILE_TEST) + select MFD_SYSCON + help + Support for ethernet controllers on T-HEAD RISC-V SoCs + + This selects the T-HEAD platform specific glue layer support for + the stmmac device driver. This driver is used for T-HEAD TH1520 + ethernet controller. + config DWMAC_IMX8 tristate "NXP IMX8 DWMAC support" default ARCH_MXC diff --git a/drivers/net/ethernet/stmicro/stmmac/Makefile b/drivers/net/eth= ernet/stmicro/stmmac/Makefile index c2f0e91f6bf8..d065634c6223 100644 --- a/drivers/net/ethernet/stmicro/stmmac/Makefile +++ b/drivers/net/ethernet/stmicro/stmmac/Makefile @@ -28,6 +28,7 @@ obj-$(CONFIG_DWMAC_STI) +=3D dwmac-sti.o obj-$(CONFIG_DWMAC_STM32) +=3D dwmac-stm32.o obj-$(CONFIG_DWMAC_SUNXI) +=3D dwmac-sunxi.o obj-$(CONFIG_DWMAC_SUN8I) +=3D dwmac-sun8i.o +obj-$(CONFIG_DWMAC_THEAD) +=3D dwmac-thead.o obj-$(CONFIG_DWMAC_DWC_QOS_ETH) +=3D dwmac-dwc-qos-eth.o obj-$(CONFIG_DWMAC_INTEL_PLAT) +=3D dwmac-intel-plat.o obj-$(CONFIG_DWMAC_LOONGSON1) +=3D dwmac-loongson1.o diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-thead.c b/drivers/ne= t/ethernet/stmicro/stmmac/dwmac-thead.c new file mode 100644 index 000000000000..9abe8ba323bd --- /dev/null +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-thead.c @@ -0,0 +1,319 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * T-HEAD DWMAC platform driver + * + * Copyright (C) 2021 Alibaba Group Holding Limited. + * Copyright (C) 2023 Jisheng Zhang + * + */ + +#include +#include +#include +#include +#include +#include +#include + +#include "stmmac_platform.h" + +#define GMAC_CLK_EN 0x00 +#define GMAC_TX_CLK_EN BIT(1) +#define GMAC_TX_CLK_N_EN BIT(2) +#define GMAC_TX_CLK_OUT_EN BIT(3) +#define GMAC_RX_CLK_EN BIT(4) +#define GMAC_RX_CLK_N_EN BIT(5) +#define GMAC_EPHY_REF_CLK_EN BIT(6) +#define GMAC_RXCLK_DELAY_CTRL 0x04 +#define GMAC_RXCLK_BYPASS BIT(15) +#define GMAC_RXCLK_INVERT BIT(14) +#define GMAC_RXCLK_DELAY_MASK GENMASK(4, 0) +#define GMAC_RXCLK_DELAY_VAL(x) FIELD_PREP(GMAC_RXCLK_DELAY_MASK, (x)) +#define GMAC_TXCLK_DELAY_CTRL 0x08 +#define GMAC_TXCLK_BYPASS BIT(15) +#define GMAC_TXCLK_INVERT BIT(14) +#define GMAC_TXCLK_DELAY_MASK GENMASK(4, 0) +#define GMAC_TXCLK_DELAY_VAL(x) FIELD_PREP(GMAC_RXCLK_DELAY_MASK, (x)) +#define GMAC_PLLCLK_DIV 0x0c +#define GMAC_PLLCLK_DIV_EN BIT(31) +#define GMAC_PLLCLK_DIV_MASK GENMASK(7, 0) +#define GMAC_PLLCLK_DIV_NUM(x) FIELD_PREP(GMAC_PLLCLK_DIV_MASK, (x)) +#define GMAC_GTXCLK_SEL 0x18 +#define GMAC_GTXCLK_SEL_PLL BIT(0) +#define GMAC_INTF_CTRL 0x1c +#define PHY_INTF_MASK BIT(0) +#define PHY_INTF_RGMII FIELD_PREP(PHY_INTF_MASK, 1) +#define PHY_INTF_MII_GMII FIELD_PREP(PHY_INTF_MASK, 0) +#define GMAC_TXCLK_OEN 0x20 +#define TXCLK_DIR_MASK BIT(0) +#define TXCLK_DIR_OUTPUT FIELD_PREP(TXCLK_DIR_MASK, 0) +#define TXCLK_DIR_INPUT FIELD_PREP(TXCLK_DIR_MASK, 1) + +#define GMAC_GMII_RGMII_RATE 125000000 +#define GMAC_MII_RATE 25000000 + +static const struct regmap_config regmap_config =3D { + .reg_bits =3D 32, + .val_bits =3D 32, + .reg_stride =3D 4, +}; + +struct thead_dwmac { + struct plat_stmmacenet_data *plat; + struct regmap *apb_regmap; + struct device *dev; + u32 rx_delay; + u32 tx_delay; +}; + +static int thead_dwmac_set_phy_if(struct plat_stmmacenet_data *plat) +{ + struct thead_dwmac *dwmac =3D plat->bsp_priv; + u32 phyif; + + switch (plat->mac_interface) { + case PHY_INTERFACE_MODE_MII: + phyif =3D PHY_INTF_MII_GMII; + break; + case PHY_INTERFACE_MODE_RGMII: + case PHY_INTERFACE_MODE_RGMII_ID: + case PHY_INTERFACE_MODE_RGMII_TXID: + case PHY_INTERFACE_MODE_RGMII_RXID: + phyif =3D PHY_INTF_RGMII; + break; + default: + dev_err(dwmac->dev, "unsupported phy interface %d\n", + plat->mac_interface); + return -EINVAL; + }; + + return regmap_write(dwmac->apb_regmap, GMAC_INTF_CTRL, phyif); +} + +static int thead_dwmac_set_txclk_dir(struct plat_stmmacenet_data *plat) +{ + struct thead_dwmac *dwmac =3D plat->bsp_priv; + u32 txclk_dir; + + switch (plat->mac_interface) { + case PHY_INTERFACE_MODE_MII: + txclk_dir =3D TXCLK_DIR_INPUT; + break; + case PHY_INTERFACE_MODE_RGMII: + case PHY_INTERFACE_MODE_RGMII_ID: + case PHY_INTERFACE_MODE_RGMII_TXID: + case PHY_INTERFACE_MODE_RGMII_RXID: + txclk_dir =3D TXCLK_DIR_OUTPUT; + break; + default: + dev_err(dwmac->dev, "unsupported phy interface %d\n", + plat->mac_interface); + return -EINVAL; + }; + + return regmap_write(dwmac->apb_regmap, GMAC_TXCLK_OEN, txclk_dir); +} + +static void thead_dwmac_fix_speed(void *priv, unsigned int speed, unsigned= int mode) +{ + struct plat_stmmacenet_data *plat; + struct thead_dwmac *dwmac =3D priv; + unsigned long rate; + u32 div; + + plat =3D dwmac->plat; + + switch (plat->mac_interface) { + /* For MII, rxc/txc is provided by phy */ + case PHY_INTERFACE_MODE_MII: + return; + + case PHY_INTERFACE_MODE_RGMII: + case PHY_INTERFACE_MODE_RGMII_ID: + case PHY_INTERFACE_MODE_RGMII_RXID: + case PHY_INTERFACE_MODE_RGMII_TXID: + rate =3D clk_get_rate(plat->stmmac_clk); + if (!rate || rate % GMAC_GMII_RGMII_RATE !=3D 0 || + rate % GMAC_MII_RATE !=3D 0) { + dev_err(dwmac->dev, "invalid gmac rate %ld\n", rate); + return; + } + + regmap_update_bits(dwmac->apb_regmap, GMAC_PLLCLK_DIV, GMAC_PLLCLK_DIV_E= N, 0); + + switch (speed) { + case SPEED_1000: + div =3D rate / GMAC_GMII_RGMII_RATE; + break; + case SPEED_100: + div =3D rate / GMAC_MII_RATE; + break; + case SPEED_10: + div =3D rate * 10 / GMAC_MII_RATE; + break; + default: + dev_err(dwmac->dev, "invalid speed %u\n", speed); + return; + } + regmap_update_bits(dwmac->apb_regmap, GMAC_PLLCLK_DIV, + GMAC_PLLCLK_DIV_MASK, GMAC_PLLCLK_DIV_NUM(div)); + + regmap_update_bits(dwmac->apb_regmap, GMAC_PLLCLK_DIV, + GMAC_PLLCLK_DIV_EN, GMAC_PLLCLK_DIV_EN); + break; + default: + dev_err(dwmac->dev, "unsupported phy interface %d\n", + plat->mac_interface); + return; + } +} + +static int thead_dwmac_enable_clk(struct plat_stmmacenet_data *plat) +{ + struct thead_dwmac *dwmac =3D plat->bsp_priv; + int err; + u32 reg; + + switch (plat->mac_interface) { + case PHY_INTERFACE_MODE_MII: + reg =3D GMAC_RX_CLK_EN | GMAC_TX_CLK_EN; + break; + + case PHY_INTERFACE_MODE_RGMII: + case PHY_INTERFACE_MODE_RGMII_ID: + case PHY_INTERFACE_MODE_RGMII_RXID: + case PHY_INTERFACE_MODE_RGMII_TXID: + /* use pll */ + err =3D regmap_write(dwmac->apb_regmap, GMAC_GTXCLK_SEL, GMAC_GTXCLK_SEL= _PLL); + if (err) + return dev_err_probe(dwmac->dev, err, + "failed to set phy interface\n"); + + reg =3D GMAC_TX_CLK_EN | GMAC_TX_CLK_N_EN | GMAC_TX_CLK_OUT_EN | + GMAC_RX_CLK_EN | GMAC_RX_CLK_N_EN; + break; + + default: + dev_err(dwmac->dev, "unsupported phy interface %d\n", + plat->mac_interface); + return -EINVAL; + } + + return regmap_write(dwmac->apb_regmap, GMAC_CLK_EN, reg); +} + +static int thead_dwmac_init(struct platform_device *pdev, void *priv) +{ + struct thead_dwmac *dwmac =3D priv; + int ret; + + ret =3D thead_dwmac_set_phy_if(dwmac->plat); + if (ret) + return ret; + + ret =3D thead_dwmac_set_txclk_dir(dwmac->plat); + if (ret) + return ret; + + ret =3D regmap_write(dwmac->apb_regmap, GMAC_RXCLK_DELAY_CTRL, + GMAC_RXCLK_DELAY_VAL(dwmac->rx_delay)); + if (ret) + return dev_err_probe(dwmac->dev, ret, + "failed to set GMAC RX clock delay\n"); + + ret =3D regmap_write(dwmac->apb_regmap, GMAC_TXCLK_DELAY_CTRL, + GMAC_TXCLK_DELAY_VAL(dwmac->tx_delay)); + if (ret) + return dev_err_probe(dwmac->dev, ret, + "failed to set GMAC TX clock delay\n"); + + thead_dwmac_fix_speed(dwmac, SPEED_1000, 0); + + return thead_dwmac_enable_clk(dwmac->plat); +} + +static int thead_dwmac_probe(struct platform_device *pdev) +{ + struct device_node *np =3D pdev->dev.of_node; + struct stmmac_resources stmmac_res; + struct plat_stmmacenet_data *plat; + struct thead_dwmac *dwmac; + void __iomem *apb; + u32 delay; + int ret; + + ret =3D stmmac_get_platform_resources(pdev, &stmmac_res); + if (ret) + return dev_err_probe(&pdev->dev, ret, + "failed to get resources\n"); + + plat =3D devm_stmmac_probe_config_dt(pdev, stmmac_res.mac); + if (IS_ERR(plat)) + return dev_err_probe(&pdev->dev, PTR_ERR(plat), + "dt configuration failed\n"); + + dwmac =3D devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL); + if (!dwmac) + return -ENOMEM; + + /* hardware default is 0 for the rx and tx internal clock delay */ + dwmac->rx_delay =3D 0; + dwmac->tx_delay =3D 0; + + /* rx and tx internal delay properties are optional */ + if (!of_property_read_u32(np, "thead,rx-internal-delay", &delay)) { + if (delay > GMAC_RXCLK_DELAY_MASK) + dev_warn(&pdev->dev, + "thead,rx-internal-delay (%u) exceeds max (%lu)\n", + delay, GMAC_RXCLK_DELAY_MASK); + else + dwmac->rx_delay =3D delay; + } + + if (!of_property_read_u32(np, "thead,tx-internal-delay", &delay)) { + if (delay > GMAC_TXCLK_DELAY_MASK) + dev_warn(&pdev->dev, + "thead,tx-internal-delay (%u) exceeds max (%lu)\n", + delay, GMAC_TXCLK_DELAY_MASK); + else + dwmac->tx_delay =3D delay; + } + + apb =3D devm_platform_ioremap_resource(pdev, 1); + if (IS_ERR(apb)) + return dev_err_probe(&pdev->dev, PTR_ERR(apb), + "Failed to remap gmac apb registers\n"); + + dwmac->apb_regmap =3D devm_regmap_init_mmio(&pdev->dev, apb, ®map_conf= ig); + if (IS_ERR(dwmac->apb_regmap)) + return dev_err_probe(&pdev->dev, PTR_ERR(dwmac->apb_regmap), + "Failed to access gmac apb registers\n"); + + dwmac->dev =3D &pdev->dev; + dwmac->plat =3D plat; + plat->bsp_priv =3D dwmac; + plat->fix_mac_speed =3D thead_dwmac_fix_speed; + plat->init =3D thead_dwmac_init; + + return devm_stmmac_pltfr_probe(pdev, plat, &stmmac_res); +} + +static const struct of_device_id thead_dwmac_match[] =3D { + { .compatible =3D "thead,th1520-gmac" }, + { } +}; +MODULE_DEVICE_TABLE(of, thead_dwmac_match); + +static struct platform_driver thead_dwmac_driver =3D { + .probe =3D thead_dwmac_probe, + .driver =3D { + .name =3D "thead-dwmac", + .pm =3D &stmmac_pltfr_pm_ops, + .of_match_table =3D thead_dwmac_match, + }, +}; +module_platform_driver(thead_dwmac_driver); + +MODULE_AUTHOR("Jisheng Zhang "); +MODULE_DESCRIPTION("T-HEAD DWMAC platform driver"); +MODULE_LICENSE("GPL"); --=20 2.34.1 From nobody Thu Nov 28 22:52:27 2024 Received: from mail-pl1-f169.google.com (mail-pl1-f169.google.com [209.85.214.169]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DD5B4171088 for ; Thu, 26 Sep 2024 18:16:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.169 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727374582; cv=none; b=H6xPqL0IQy6y7TfDlOcZKu1CYljLpL5a2AWzOzYXs9/TSNZVC73Ob2+LfVCzd2+rvjXiKm6CiW7MQ5iD7rgfHkhX/3UFefTfKavKT7atI63gwpdcnRpFJuqp2bLy+nltndiahIOdLb0XN59qVORJPSuOG2EGmy4JMyFeczvPYaw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727374582; c=relaxed/simple; bh=ImRa5HZ/x4KQUqqFJmDli5ALtSNsvZRYylbSivEgxME=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=nDueWmWQS3GQVGXsnKm97dgrWESDXWfY/ujQEJvx1OnhWj1RpjbYzDqcN74afLRsmiocLb2s/Ikdf+Ggy4NrxaDjHU+5kk5O88KVO/M8XpPNWPHS27Jj1sZ7/Zcf04X0VTgrU3KONOnhrPaBsp5t4olkbU5i1KxMHsTkYSd7oTU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=tenstorrent.com; spf=pass smtp.mailfrom=tenstorrent.com; dkim=pass (2048-bit key) header.d=tenstorrent.com header.i=@tenstorrent.com header.b=YXA+l92a; arc=none smtp.client-ip=209.85.214.169 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=tenstorrent.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tenstorrent.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tenstorrent.com header.i=@tenstorrent.com header.b="YXA+l92a" Received: by mail-pl1-f169.google.com with SMTP id d9443c01a7336-2054feabfc3so12131455ad.1 for ; Thu, 26 Sep 2024 11:16:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tenstorrent.com; s=google; t=1727374580; x=1727979380; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=wkeCrPOlIseD/aizBlxYXizOEF/56/liiT5yf4vBIaE=; b=YXA+l92a8HDEYTDJAweLZH3BTKO0M8WDMZ2L6Ev5gGfA5No5EInWmT8GdfiuFijhdM 1rI/TuDWJSDH2hjHfamrvwF7DnD5C68qawpk8wX8TLgfhD31bYapfv5SySOqj2FrDFBD OfFxXKUtruHv/aM6qBa7KKaXCFr1vBZxmDfrgEHPKZPcFTUHNedPClnHwgRByyvP4luK vU328YQqRYrVi9Gn2odsKkCoeX9MOjDc1Ee9O/opcEqByI78iRQ9k0MaoB2LQRluo6Zu 2NKVcclohv3Da+BPNhhWi1JAiFQ2gxvUKgnaR1WucoQ5ogpT4qxTUjO5xt6HoMP4UNDU V8MQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727374580; x=1727979380; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=wkeCrPOlIseD/aizBlxYXizOEF/56/liiT5yf4vBIaE=; b=UMdUL53t2qjJ1oR5BuYhHSw4yjBvlf5S6A+v8svLAU905Y/dkaXNEG6IW7enjHSRid j2XcIam60gISZXaX2xD9iITDwMpNFtjdBiMBwCsVzBZzc0XQ9hrFAegyuH0VgqZ+LP9d 0C5x5sWbvxKiUlaqxFs1nf7+otVcB634yYRj2bPK+lDkNQGDWsgC5YMFO2FrbKIa+ice PVL2QlEn/zzxx6WI7ut7k1e5EmJHJkpsQZKoJD3C6ZdqNcrI4Iwz1tkv1IlkkSpNn+6/ 4X1nOscE2Voo6iHqQI62GTO/ZFKj/bFvtGPv9w6Z0iQEuB+hWpSlHCL+Xkfo9PmwChzA PLAQ== X-Forwarded-Encrypted: i=1; AJvYcCV/I+8BPsza+qg9aMyAPCcD5/NCbvNlnvt3QjBeGEmTwqT0ZE6L82fVFowkj4XhExsFsG/+HVSC4Fuk/N8=@vger.kernel.org X-Gm-Message-State: AOJu0Yx4ceBb2xRtVHOrl4GuqRC0tLe8vX8jHSmxJM9slJ8EW4OWVmDh ouj1FcRShZ7P7s3HKW9eeqs+n5EnQZcLmD1zWV7+d55qPx/k/bKupePfkV+RAOU= X-Google-Smtp-Source: AGHT+IFIkdMbL4iTLZ8Ge0B/Bj8QKJ6lxuYgKzXHGXi++Ym9a+btPTNSE4YhA8c6GtM6W4wSqRxGuA== X-Received: by 2002:a17:902:d4d0:b0:201:f6e8:637f with SMTP id d9443c01a7336-20b367ca7e1mr8264905ad.11.1727374580222; Thu, 26 Sep 2024 11:16:20 -0700 (PDT) Received: from [127.0.1.1] (71-34-69-82.ptld.qwest.net. [71.34.69.82]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20b37d5ef5dsm1454145ad.32.2024.09.26.11.16.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Sep 2024 11:16:20 -0700 (PDT) From: Drew Fustini Date: Thu, 26 Sep 2024 11:15:52 -0700 Subject: [PATCH v2 3/3] riscv: dts: thead: Add TH1520 ethernet nodes Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240926-th1520-dwmac-v2-3-f34f28ad1dc9@tenstorrent.com> References: <20240926-th1520-dwmac-v2-0-f34f28ad1dc9@tenstorrent.com> In-Reply-To: <20240926-th1520-dwmac-v2-0-f34f28ad1dc9@tenstorrent.com> To: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alexandre Torgue , Giuseppe Cavallaro , Jose Abreu , Jisheng Zhang , Maxime Coquelin , Emil Renner Berthing , Drew Fustini , Guo Ren , Fu Wei , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Drew Fustini Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org X-Mailer: b4 0.14.1 From: Emil Renner Berthing Signed-off-by: Emil Renner Berthing [drew: change apb registers from syscon to second reg of gmac node] [drew: 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 | 135 +++++++++++++++++= ++++ arch/riscv/boot/dts/thead/th1520.dtsi | 50 ++++++++ 3 files changed, 276 insertions(+) diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/risc= v/boot/dts/thead/th1520-beaglev-ahead.dts index 5a5888f4eda6..ddcee6298939 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 =3D "beagle,beaglev-ahead", "thead,th1520"; =20 aliases { + ethernet0 =3D &gmac0; gpio0 =3D &gpio0; gpio1 =3D &gpio1; gpio2 =3D &gpio2; @@ -108,6 +109,25 @@ &sdio0 { status =3D "okay"; }; =20 +&gmac0 { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&gmac0_pins>; + phy-handle =3D <&phy0>; + phy-mode =3D "rgmii-id"; + status =3D "okay"; +}; + +&mdio0 { + phy0: ethernet-phy@1 { + reg =3D <1>; + interrupt-parent =3D <&gpio3>; + interrupts =3D <22 IRQ_TYPE_LEVEL_LOW>; + reset-gpios =3D <&gpio3 21 GPIO_ACTIVE_LOW>; + reset-delay-us =3D <10000>; + reset-post-delay-us =3D <50000>; + }; +}; + &padctrl_aosys { led_pins: led-0 { led-pins { @@ -127,6 +147,77 @@ led-pins { }; =20 &padctrl0_apsys { + gmac0_pins: gmac0-0 { + tx-pins { + pins =3D "GMAC0_TX_CLK", + "GMAC0_TXEN", + "GMAC0_TXD0", + "GMAC0_TXD1", + "GMAC0_TXD2", + "GMAC0_TXD3"; + function =3D "gmac0"; + bias-disable; + drive-strength =3D <25>; + input-disable; + input-schmitt-disable; + slew-rate =3D <0>; + }; + + rx-pins { + pins =3D "GMAC0_RX_CLK", + "GMAC0_RXDV", + "GMAC0_RXD0", + "GMAC0_RXD1", + "GMAC0_RXD2", + "GMAC0_RXD3"; + function =3D "gmac0"; + bias-disable; + drive-strength =3D <1>; + input-enable; + input-schmitt-disable; + slew-rate =3D <0>; + }; + + mdc-pins { + pins =3D "GMAC0_MDC"; + function =3D "gmac0"; + bias-disable; + drive-strength =3D <13>; + input-disable; + input-schmitt-disable; + slew-rate =3D <0>; + }; + + mdio-pins { + pins =3D "GMAC0_MDIO"; + function =3D "gmac0"; + bias-disable; + drive-strength =3D <13>; + input-enable; + input-schmitt-enable; + slew-rate =3D <0>; + }; + + phy-reset-pins { + pins =3D "GMAC0_COL"; /* GPIO3_21 */ + bias-disable; + drive-strength =3D <3>; + input-disable; + input-schmitt-disable; + slew-rate =3D <0>; + }; + + phy-interrupt-pins { + pins =3D "GMAC0_CRS"; /* GPIO3_22 */ + function =3D "gpio"; + bias-pull-up; + drive-strength =3D <1>; + input-enable; + input-schmitt-enable; + slew-rate =3D <0>; + }; + }; + uart0_pins: uart0-0 { tx-pins { pins =3D "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 ca84bc2039ef..d9d2e1f4dc68 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 =3D "Sipeed Lichee Module 4A"; compatible =3D "sipeed,lichee-module-4a", "thead,th1520"; =20 + aliases { + ethernet0 =3D &gmac0; + ethernet1 =3D &gmac1; + }; + memory@0 { device_type =3D "memory"; reg =3D <0x0 0x00000000 0x2 0x00000000>; @@ -25,6 +30,16 @@ &osc_32k { clock-frequency =3D <32768>; }; =20 +&dmac0 { + status =3D "okay"; +}; + +&aogpio { + gpio-line-names =3D "", "", "", + "GPIO00", + "GPIO04"; +}; + &aonsys_clk { clock-frequency =3D <73728000>; }; @@ -55,6 +70,22 @@ &sdio0 { status =3D "okay"; }; =20 +&gmac0 { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&gmac0_pins>, <&mdio0_pins>; + phy-handle =3D <&phy0>; + phy-mode =3D "rgmii-id"; + status =3D "okay"; +}; + +&gmac1 { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&gmac1_pins>; + phy-handle =3D <&phy1>; + phy-mode =3D "rgmii-id"; + status =3D "okay"; +}; + &gpio0 { gpio-line-names =3D "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", @@ -87,3 +118,107 @@ &gpio3 { "GPIO09", "GPIO10"; }; + +&mdio0 { + phy0: ethernet-phy@1 { + reg =3D <1>; + }; + + phy1: ethernet-phy@2 { + reg =3D <2>; + }; +}; + +&padctrl0_apsys { + gmac0_pins: gmac0-0 { + tx-pins { + pins =3D "GMAC0_TX_CLK", + "GMAC0_TXEN", + "GMAC0_TXD0", + "GMAC0_TXD1", + "GMAC0_TXD2", + "GMAC0_TXD3"; + function =3D "gmac0"; + bias-disable; + drive-strength =3D <25>; + input-disable; + input-schmitt-disable; + slew-rate =3D <0>; + }; + + rx-pins { + pins =3D "GMAC0_RX_CLK", + "GMAC0_RXDV", + "GMAC0_RXD0", + "GMAC0_RXD1", + "GMAC0_RXD2", + "GMAC0_RXD3"; + function =3D "gmac0"; + bias-disable; + drive-strength =3D <1>; + input-enable; + input-schmitt-disable; + slew-rate =3D <0>; + }; + }; + + gmac1_pins: gmac1-0 { + tx-pins { + pins =3D "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 =3D "gmac1"; + bias-disable; + drive-strength =3D <25>; + input-disable; + input-schmitt-disable; + slew-rate =3D <0>; + }; + + rx-pins { + pins =3D "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 =3D "gmac1"; + bias-disable; + drive-strength =3D <1>; + input-enable; + input-schmitt-disable; + slew-rate =3D <0>; + }; + }; + + mdio0_pins: mdio0-0 { + mdc-pins { + pins =3D "GMAC0_MDC"; + function =3D "gmac0"; + bias-disable; + drive-strength =3D <13>; + input-disable; + input-schmitt-disable; + slew-rate =3D <0>; + }; + + mdio-pins { + pins =3D "GMAC0_MDIO"; + function =3D "gmac0"; + bias-disable; + drive-strength =3D <13>; + input-enable; + input-schmitt-enable; + slew-rate =3D <0>; + }; + }; +}; + +&sdio0 { + bus-width =3D <4>; + max-frequency =3D <198000000>; + status =3D "okay"; +}; diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/th= ead/th1520.dtsi index 517a9e2e93a3..f51cc0c465ee 100644 --- a/arch/riscv/boot/dts/thead/th1520.dtsi +++ b/arch/riscv/boot/dts/thead/th1520.dtsi @@ -222,6 +222,12 @@ aonsys_clk: aonsys-clk { #clock-cells =3D <0>; }; =20 + stmmac_axi_config: stmmac-axi-config { + snps,wr_osr_lmt =3D <15>; + snps,rd_osr_lmt =3D <15>; + snps,blen =3D <0 0 64 32 0 0 0>; + }; + soc { compatible =3D "simple-bus"; interrupt-parent =3D <&plic>; @@ -273,6 +279,50 @@ uart0: serial@ffe7014000 { status =3D "disabled"; }; =20 + gmac1: ethernet@ffe7060000 { + compatible =3D "thead,th1520-gmac", "snps,dwmac-3.70a"; + reg =3D <0xff 0xe7060000 0x0 0x2000>, <0xff 0xec004000 0x0 0x1000>; + reg-names =3D "dwmac", "apb"; + interrupts =3D <67 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names =3D "macirq"; + clocks =3D <&clk CLK_GMAC_AXI>, <&clk CLK_GMAC_AXI>; + clock-names =3D "stmmaceth", "pclk"; + snps,pbl =3D <32>; + snps,fixed-burst; + snps,multicast-filter-bins =3D <64>; + snps,perfect-filter-entries =3D <32>; + snps,axi-config =3D <&stmmac_axi_config>; + status =3D "disabled"; + + mdio1: mdio { + compatible =3D "snps,dwmac-mdio"; + #address-cells =3D <1>; + #size-cells =3D <0>; + }; + }; + + gmac0: ethernet@ffe7070000 { + compatible =3D "thead,th1520-gmac", "snps,dwmac-3.70a"; + reg =3D <0xff 0xe7070000 0x0 0x2000>, <0xff 0xec003000 0x0 0x1000>; + reg-names =3D "dwmac", "apb"; + interrupts =3D <66 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names =3D "macirq"; + clocks =3D <&clk CLK_GMAC_AXI>, <&clk CLK_GMAC_AXI>; + clock-names =3D "stmmaceth", "pclk"; + snps,pbl =3D <32>; + snps,fixed-burst; + snps,multicast-filter-bins =3D <64>; + snps,perfect-filter-entries =3D <32>; + snps,axi-config =3D <&stmmac_axi_config>; + status =3D "disabled"; + + mdio0: mdio { + compatible =3D "snps,dwmac-mdio"; + #address-cells =3D <1>; + #size-cells =3D <0>; + }; + }; + emmc: mmc@ffe7080000 { compatible =3D "thead,th1520-dwcmshc"; reg =3D <0xff 0xe7080000 0x0 0x10000>; --=20 2.34.1