From patchwork Wed Apr 21 20:34:09 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ezequiel Garcia X-Patchwork-Id: 12216987 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3107BC433ED for ; Wed, 21 Apr 2021 20:35:17 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8499760551 for ; Wed, 21 Apr 2021 20:35:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8499760551 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Ayfk+w1H5DFa4uKmDU9HJw8OmHJbW0EghSVmqMkiPAA=; b=Th4zKXozWYHu3vePPwWzH8J7l AkhcKQxxNQT+JcmA/pR2H9zQJTSfLuaKtIOF1+AyEF8nBGCruXpIeVQDsA9g0xmddaB5+bsZ+jBOs lC/5Nl6/3ftgk5r1aMREueD0Bam8l40543DbjXpd3g18QLbVz7nJxdI7uBLSOmiIZ18FUV5aHlCBo T1HK9CBGfqUOAfZjWEhNRO6xeAbFPqismXNPRknsAJ8gsPSvWCw7ra0zw5zECpc0uR6iCvLSlHiMv FIzfuGLfp5KdXYJYMvj+ouLzzHEsKi3ZEE9bK2bOLK5wUz2VvZo8D9aZz3pWV7zKxkdpkR5TmkvgN BIi3bNLOQ==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lZJYw-00F9dw-Sw; Wed, 21 Apr 2021 20:35:07 +0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lZJYT-00F9Q3-Fo for linux-rockchip@desiato.infradead.org; Wed, 21 Apr 2021 20:34:37 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=w1ayQrK7JOGi10wXoZAu3tsMSkTLDWyZO5fa19Mz4Yo=; b=U8SzkvFKXehTQ2oOzr8+G0rK9d SxF3iVJvCQNC/i3ctD04bYtldnWUf8De99eS1ZxX0s3q9PF5Nb8bJyh91LhUNYnNiUo5kUg8ehMX4 LrVa8Rjq3mGA9JHfv0rM4/bJdDEHARwmqgkbGa5QQIvoqeoB4zURPCZ4aGWBHMTMOi1YJFYplJZge 67cQIZsnTawmtQcx1p8KM7mFO/LVNzZfccsxJOuvSk0lAJUMNY1Flg1r4V+vnhp9F4Piq/+8hMXp6 oHZ8bfEgmbRvVCIFWK9LZ5bJRnsXTKyfZtTOty3VVre3hSYRdL/Fpvw/Bu/nb4cCzu3LCbIR8eWc2 MdeOSQ2A==; Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lZJYP-00DApX-EC for linux-rockchip@lists.infradead.org; Wed, 21 Apr 2021 20:34:36 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: ezequiel) with ESMTPSA id 1ABA21F4268B From: Ezequiel Garcia To: netdev@vger.kernel.org, linux-rockchip@lists.infradead.org Cc: Jose Abreu , Heiko Stuebner , "David S . Miller" , Jakub Kicinski , Peter Geis , Kever Yang , David Wu , kernel@collabora.com, Ezequiel Garcia Subject: [PATCH v2 3/3] net: stmmac: Add RK3566 SoC support Date: Wed, 21 Apr 2021 17:34:09 -0300 Message-Id: <20210421203409.40717-4-ezequiel@collabora.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210421203409.40717-1-ezequiel@collabora.com> References: <20210421203409.40717-1-ezequiel@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210421_133433_758987_85EDB0E2 X-CRM114-Status: GOOD ( 14.15 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org From: David Wu Add constants and callback functions for the dwmac present on RK3566 SoCs. As can be seen, the base structure is the same, only registers and the bits in them moved slightly. The dwmac IP core version v5.1, and so the compatible string is expected to be: compatible = "rockchip,rk3566-gmac", "snps,dwmac-4.20a"; Signed-off-by: David Wu [Ezequiel: Separate rk3566-gmac support] Signed-off-by: Ezequiel Garcia --- .../bindings/net/rockchip-dwmac.txt | 1 + .../net/ethernet/stmicro/stmmac/dwmac-rk.c | 89 +++++++++++++++++++ 2 files changed, 90 insertions(+) diff --git a/Documentation/devicetree/bindings/net/rockchip-dwmac.txt b/Documentation/devicetree/bindings/net/rockchip-dwmac.txt index 3b71da7e8742..3bd4bbcd6c65 100644 --- a/Documentation/devicetree/bindings/net/rockchip-dwmac.txt +++ b/Documentation/devicetree/bindings/net/rockchip-dwmac.txt @@ -12,6 +12,7 @@ Required properties: "rockchip,rk3366-gmac": found on RK3366 SoCs "rockchip,rk3368-gmac": found on RK3368 SoCs "rockchip,rk3399-gmac": found on RK3399 SoCs + "rockchip,rk3566-gmac", "snps,dwmac-4.20a": found on RK3566 SoCs "rockchip,rv1108-gmac": found on RV1108 SoCs - reg: addresses and length of the register sets for the device. - interrupts: Should contain the GMAC interrupts. diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c index d2637d83899e..a8850bcd980f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c @@ -948,6 +948,94 @@ static const struct rk_gmac_ops rk3399_ops = { .set_rmii_speed = rk3399_set_rmii_speed, }; +#define RK3568_GRF_GMAC0_CON0 0x0380 +#define RK3568_GRF_GMAC0_CON1 0x0384 +#define RK3568_GRF_GMAC1_CON0 0x0388 +#define RK3568_GRF_GMAC1_CON1 0x038c + +/* RK3568_GRF_GMAC0_CON1 && RK3568_GRF_GMAC1_CON1 */ +#define RK3568_GMAC_PHY_INTF_SEL_RGMII \ + (GRF_BIT(4) | GRF_CLR_BIT(5) | GRF_CLR_BIT(6)) +#define RK3568_GMAC_PHY_INTF_SEL_RMII \ + (GRF_CLR_BIT(4) | GRF_CLR_BIT(5) | GRF_BIT(6)) +#define RK3568_GMAC_FLOW_CTRL GRF_BIT(3) +#define RK3568_GMAC_FLOW_CTRL_CLR GRF_CLR_BIT(3) +#define RK3568_GMAC_RXCLK_DLY_ENABLE GRF_BIT(1) +#define RK3568_GMAC_RXCLK_DLY_DISABLE GRF_CLR_BIT(1) +#define RK3568_GMAC_TXCLK_DLY_ENABLE GRF_BIT(0) +#define RK3568_GMAC_TXCLK_DLY_DISABLE GRF_CLR_BIT(0) + +/* RK3568_GRF_GMAC0_CON0 && RK3568_GRF_GMAC1_CON0 */ +#define RK3568_GMAC_CLK_RX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 8) +#define RK3568_GMAC_CLK_TX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 0) + +static void rk3566_set_to_rgmii(struct rk_priv_data *bsp_priv, + int tx_delay, int rx_delay) +{ + struct device *dev = &bsp_priv->pdev->dev; + + if (IS_ERR(bsp_priv->grf)) { + dev_err(dev, "Missing rockchip,grf property\n"); + return; + } + + regmap_write(bsp_priv->grf, RK3568_GRF_GMAC1_CON1, + RK3568_GMAC_PHY_INTF_SEL_RGMII | + RK3568_GMAC_RXCLK_DLY_ENABLE | + RK3568_GMAC_TXCLK_DLY_ENABLE); + + regmap_write(bsp_priv->grf, RK3568_GRF_GMAC1_CON0, + RK3568_GMAC_CLK_RX_DL_CFG(rx_delay) | + RK3568_GMAC_CLK_TX_DL_CFG(tx_delay)); +} + +static void rk3566_set_to_rmii(struct rk_priv_data *bsp_priv) +{ + struct device *dev = &bsp_priv->pdev->dev; + + if (IS_ERR(bsp_priv->grf)) { + dev_err(dev, "%s: Missing rockchip,grf property\n", __func__); + return; + } + + regmap_write(bsp_priv->grf, RK3568_GRF_GMAC1_CON1, + RK3568_GMAC_PHY_INTF_SEL_RMII); +} + +static void rk3566_set_gmac_speed(struct rk_priv_data *bsp_priv, int speed) +{ + struct device *dev = &bsp_priv->pdev->dev; + unsigned long rate; + int ret; + + switch (speed) { + case 10: + rate = 2500000; + break; + case 100: + rate = 25000000; + break; + case 1000: + rate = 125000000; + break; + default: + dev_err(dev, "unknown speed value for GMAC speed=%d", speed); + return; + } + + ret = clk_set_rate(bsp_priv->clk_mac_speed, rate); + if (ret) + dev_err(dev, "%s: set clk_mac_speed rate %ld failed %d\n", + __func__, rate, ret); +} + +static const struct rk_gmac_ops rk3566_ops = { + .set_to_rgmii = rk3566_set_to_rgmii, + .set_to_rmii = rk3566_set_to_rmii, + .set_rgmii_speed = rk3566_set_gmac_speed, + .set_rmii_speed = rk3566_set_gmac_speed, +}; + #define RV1108_GRF_GMAC_CON0 0X0900 /* RV1108_GRF_GMAC_CON0 */ @@ -1512,6 +1600,7 @@ static const struct of_device_id rk_gmac_dwmac_match[] = { { .compatible = "rockchip,rk3366-gmac", .data = &rk3366_ops }, { .compatible = "rockchip,rk3368-gmac", .data = &rk3368_ops }, { .compatible = "rockchip,rk3399-gmac", .data = &rk3399_ops }, + { .compatible = "rockchip,rk3566-gmac", .data = &rk3566_ops }, { .compatible = "rockchip,rv1108-gmac", .data = &rv1108_ops }, { } };