From patchwork Mon Jun 27 17:07:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Reichel X-Patchwork-Id: 12896926 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C13DDC43334 for ; Mon, 27 Jun 2022 17:12:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; 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=3uAjWrglHz23AwAUs7qYjianReQDeKtbTA5swNj5G5o=; b=o/HO1qqlV0FsM4 t51FRt2Oo2kZJhhHfy0cMBSgfqAuL3ffubJEEjxQZvFDLmJ88lOMofgEUASI3XZYvUhZ5VLNgCQvO xvFl6J7uHHIUkl7vwa4XcsVbaglmqy7mjPDW1IZhYsHwjNJKdNZQAKYRfBBUFq0Wln0Ls/cU9U6nH CwSw+yZeSpwdxLXvFmhFPu3qWW6ul0vQwkDzar85OjTfJewjU+WpL7P+9AU0vMghmUO8wbuII6jOA pOCnW8xyWoFSFVpHl/H4r7SiOxNHH3t6ZK0jMW4ZuaMETc5xDTDj3WRKFsE/S9O4CH443q4kK30K9 AOLL4s2U7O9SIY+hrZug==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o5sH9-0025F4-NL; Mon, 27 Jun 2022 17:11:51 +0000 Received: from madras.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e5ab]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o5sDN-0023Ie-Ud; Mon, 27 Jun 2022 17:08:00 +0000 Received: from jupiter.universe (dyndsl-095-033-171-114.ewe-ip-backbone.de [95.33.171.114]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: sre) by madras.collabora.co.uk (Postfix) with ESMTPSA id 4D739660184E; Mon, 27 Jun 2022 18:07:52 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1656349672; bh=WQlChTyt8/v8fmYA6i6cayvwWbqBscSJ5WUTKVierBk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=J/P9MJlik/lYNnQVI5Ma+qxWfYqzKgQijgkeRaGYdLz00PrVF8+79QOpxU8zNpvUh V3TcwVsRcltPVe2Fz4pXYP65R6p9KIrXKJF+Vspx9NE3c0tQRPqYubo+yViHpqRfBr 8jXLktOJj8P5cJkqyK4ttobihAkyxmOniHZi3Ot6G2+zL5wvbguXzNoTMi7/M/osig XEa1RH8d/SwTg8po+LnSOHG80rBagB2dj+AiQrb35WBCci+xeTglKj6D5d5ZIC++yL A2E2uiPSkVGd4y/VyaQo0rv6eWTzU0udEjBtMC6aUGFot8JBvHAD+8QnvAMpLRcHiL SeqcXk/GLvHQg== Received: by jupiter.universe (Postfix, from userid 1000) id EEBB04800EB; Mon, 27 Jun 2022 19:07:49 +0200 (CEST) From: Sebastian Reichel To: Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu Cc: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , netdev@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, David Wu , kernel@collabora.com, Sebastian Reichel Subject: [PATCHv2 1/2] net: ethernet: stmmac: dwmac-rk: Add gmac support for rk3588 Date: Mon, 27 Jun 2022 19:07:46 +0200 Message-Id: <20220627170747.137386-2-sebastian.reichel@collabora.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220627170747.137386-1-sebastian.reichel@collabora.com> References: <20220627170747.137386-1-sebastian.reichel@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220627_100758_294786_9CD426C6 X-CRM114-Status: GOOD ( 19.81 ) 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 on RK3588 soc. As can be seen, the base structure is the same, only registers and the bits in them moved slightly. Signed-off-by: David Wu [rebase, squash fixes] Signed-off-by: Sebastian Reichel --- Krzysztof asked what "php" means. The answer is: The datasheet calls the referenced syscon area "PHP_GRF" with GRF meaning "general register file". PHP is never written out in the datasheet, but is the name of a subsystem in the SoC which contains the ethernet controllers, USB and SATA with it's own MMU and power domain. --- .../net/ethernet/stmicro/stmmac/dwmac-rk.c | 155 ++++++++++++++++++ 1 file changed, 155 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c index c469abc91fa1..15dea1f2a90a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c @@ -32,6 +32,8 @@ struct rk_gmac_ops { void (*set_to_rmii)(struct rk_priv_data *bsp_priv); void (*set_rgmii_speed)(struct rk_priv_data *bsp_priv, int speed); void (*set_rmii_speed)(struct rk_priv_data *bsp_priv, int speed); + void (*set_clock_selection)(struct rk_priv_data *bsp_priv, bool input, + bool enable); void (*integrated_phy_powerup)(struct rk_priv_data *bsp_priv); bool regs_valid; u32 regs[]; @@ -66,6 +68,7 @@ struct rk_priv_data { int rx_delay; struct regmap *grf; + struct regmap *php_grf; }; #define HIWORD_UPDATE(val, mask, shift) \ @@ -1101,6 +1104,147 @@ static const struct rk_gmac_ops rk3568_ops = { }, }; +/* sys_grf */ +#define RK3588_GRF_GMAC_CON7 0X031c +#define RK3588_GRF_GMAC_CON8 0X0320 +#define RK3588_GRF_GMAC_CON9 0X0324 + +#define RK3588_GMAC_RXCLK_DLY_ENABLE(id) GRF_BIT(2 * (id) + 3) +#define RK3588_GMAC_RXCLK_DLY_DISABLE(id) GRF_CLR_BIT(2 * (id) + 3) +#define RK3588_GMAC_TXCLK_DLY_ENABLE(id) GRF_BIT(2 * (id) + 2) +#define RK3588_GMAC_TXCLK_DLY_DISABLE(id) GRF_CLR_BIT(2 * (id) + 2) + +#define RK3588_GMAC_CLK_RX_DL_CFG(val) HIWORD_UPDATE(val, 0xFF, 8) +#define RK3588_GMAC_CLK_TX_DL_CFG(val) HIWORD_UPDATE(val, 0xFF, 0) + +/* php_grf */ +#define RK3588_GRF_GMAC_CON0 0X0008 +#define RK3588_GRF_CLK_CON1 0X0070 + +#define RK3588_GMAC_PHY_INTF_SEL_RGMII(id) \ + (GRF_BIT(3 + (id) * 6) | GRF_CLR_BIT(4 + (id) * 6) | GRF_CLR_BIT(5 + (id) * 6)) +#define RK3588_GMAC_PHY_INTF_SEL_RMII(id) \ + (GRF_CLR_BIT(3 + (id) * 6) | GRF_CLR_BIT(4 + (id) * 6) | GRF_BIT(5 + (id) * 6)) + +#define RK3588_GMAC_CLK_RMII_MODE(id) GRF_BIT(5 * (id)) +#define RK3588_GMAC_CLK_RGMII_MODE(id) GRF_CLR_BIT(5 * (id)) + +#define RK3588_GMAC_CLK_SELET_CRU(id) GRF_BIT(5 * (id) + 4) +#define RK3588_GMAC_CLK_SELET_IO(id) GRF_CLR_BIT(5 * (id) + 4) + +#define RK3588_GMA_CLK_RMII_DIV2(id) GRF_BIT(5 * (id) + 2) +#define RK3588_GMA_CLK_RMII_DIV20(id) GRF_CLR_BIT(5 * (id) + 2) + +#define RK3588_GMAC_CLK_RGMII_DIV1(id) \ + (GRF_CLR_BIT(5 * (id) + 2) | GRF_CLR_BIT(5 * (id) + 3)) +#define RK3588_GMAC_CLK_RGMII_DIV5(id) \ + (GRF_BIT(5 * (id) + 2) | GRF_BIT(5 * (id) + 3)) +#define RK3588_GMAC_CLK_RGMII_DIV50(id) \ + (GRF_CLR_BIT(5 * (id) + 2) | GRF_BIT(5 * (id) + 3)) + +#define RK3588_GMAC_CLK_RMII_GATE(id) GRF_BIT(5 * (id) + 1) +#define RK3588_GMAC_CLK_RMII_NOGATE(id) GRF_CLR_BIT(5 * (id) + 1) + +static void rk3588_set_to_rgmii(struct rk_priv_data *bsp_priv, + int tx_delay, int rx_delay) +{ + struct device *dev = &bsp_priv->pdev->dev; + u32 offset_con, id = bsp_priv->id; + + if (IS_ERR(bsp_priv->grf) || IS_ERR(bsp_priv->php_grf)) { + dev_err(dev, "Missing rockchip,grf or rockchip,php_grf property\n"); + return; + } + + offset_con = bsp_priv->id == 1 ? RK3588_GRF_GMAC_CON9 : + RK3588_GRF_GMAC_CON8; + + regmap_write(bsp_priv->php_grf, RK3588_GRF_GMAC_CON0, + RK3588_GMAC_PHY_INTF_SEL_RGMII(id)); + + regmap_write(bsp_priv->php_grf, RK3588_GRF_CLK_CON1, + RK3588_GMAC_CLK_RGMII_MODE(id)); + + regmap_write(bsp_priv->grf, RK3588_GRF_GMAC_CON7, + RK3588_GMAC_RXCLK_DLY_ENABLE(id) | + RK3588_GMAC_TXCLK_DLY_ENABLE(id)); + + regmap_write(bsp_priv->grf, offset_con, + RK3588_GMAC_CLK_RX_DL_CFG(rx_delay) | + RK3588_GMAC_CLK_TX_DL_CFG(tx_delay)); +} + +static void rk3588_set_to_rmii(struct rk_priv_data *bsp_priv) +{ + struct device *dev = &bsp_priv->pdev->dev; + + if (IS_ERR(bsp_priv->php_grf)) { + dev_err(dev, "%s: Missing rockchip,php_grf property\n", __func__); + return; + } + + regmap_write(bsp_priv->php_grf, RK3588_GRF_GMAC_CON0, + RK3588_GMAC_PHY_INTF_SEL_RMII(bsp_priv->id)); + + regmap_write(bsp_priv->php_grf, RK3588_GRF_CLK_CON1, + RK3588_GMAC_CLK_RMII_MODE(bsp_priv->id)); +} + +static void rk3588_set_gmac_speed(struct rk_priv_data *bsp_priv, int speed) +{ + struct device *dev = &bsp_priv->pdev->dev; + unsigned int val = 0, id = bsp_priv->id; + + switch (speed) { + case 10: + if (bsp_priv->phy_iface == PHY_INTERFACE_MODE_RMII) + val = RK3588_GMA_CLK_RMII_DIV20(id); + else + val = RK3588_GMAC_CLK_RGMII_DIV50(id); + break; + case 100: + if (bsp_priv->phy_iface == PHY_INTERFACE_MODE_RMII) + val = RK3588_GMA_CLK_RMII_DIV2(id); + else + val = RK3588_GMAC_CLK_RGMII_DIV5(id); + break; + case 1000: + if (bsp_priv->phy_iface != PHY_INTERFACE_MODE_RMII) + val = RK3588_GMAC_CLK_RGMII_DIV1(id); + else + goto err; + break; + default: + goto err; + } + + regmap_write(bsp_priv->php_grf, RK3588_GRF_CLK_CON1, val); + + return; +err: + dev_err(dev, "unknown speed value for GMAC speed=%d", speed); +} + +static void rk3588_set_clock_selection(struct rk_priv_data *bsp_priv, bool input, + bool enable) +{ + unsigned int val = input ? RK3588_GMAC_CLK_SELET_IO(bsp_priv->id) : + RK3588_GMAC_CLK_SELET_CRU(bsp_priv->id); + + val |= enable ? RK3588_GMAC_CLK_RMII_NOGATE(bsp_priv->id) : + RK3588_GMAC_CLK_RMII_GATE(bsp_priv->id); + + regmap_write(bsp_priv->php_grf, RK3588_GRF_CLK_CON1, val); +} + +static const struct rk_gmac_ops rk3588_ops = { + .set_to_rgmii = rk3588_set_to_rgmii, + .set_to_rmii = rk3588_set_to_rmii, + .set_rgmii_speed = rk3588_set_gmac_speed, + .set_rmii_speed = rk3588_set_gmac_speed, + .set_clock_selection = rk3588_set_clock_selection, +}; + #define RV1108_GRF_GMAC_CON0 0X0900 /* RV1108_GRF_GMAC_CON0 */ @@ -1304,6 +1448,10 @@ static int gmac_clk_enable(struct rk_priv_data *bsp_priv, bool enable) if (!IS_ERR(bsp_priv->clk_mac_speed)) clk_prepare_enable(bsp_priv->clk_mac_speed); + if (bsp_priv->ops && bsp_priv->ops->set_clock_selection) + bsp_priv->ops->set_clock_selection(bsp_priv, + bsp_priv->clock_input, true); + /** * if (!IS_ERR(bsp_priv->clk_mac)) * clk_prepare_enable(bsp_priv->clk_mac); @@ -1330,6 +1478,10 @@ static int gmac_clk_enable(struct rk_priv_data *bsp_priv, bool enable) clk_disable_unprepare(bsp_priv->mac_clk_tx); clk_disable_unprepare(bsp_priv->clk_mac_speed); + + if (bsp_priv->ops && bsp_priv->ops->set_clock_selection) + bsp_priv->ops->set_clock_selection(bsp_priv, + bsp_priv->clock_input, false); /** * if (!IS_ERR(bsp_priv->clk_mac)) * clk_disable_unprepare(bsp_priv->clk_mac); @@ -1444,6 +1596,8 @@ static struct rk_priv_data *rk_gmac_setup(struct platform_device *pdev, bsp_priv->grf = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,grf"); + bsp_priv->php_grf = syscon_regmap_lookup_by_phandle(dev->of_node, + "rockchip,php-grf"); if (plat->phy_node) { bsp_priv->integrated_phy = of_property_read_bool(plat->phy_node, @@ -1680,6 +1834,7 @@ static const struct of_device_id rk_gmac_dwmac_match[] = { { .compatible = "rockchip,rk3368-gmac", .data = &rk3368_ops }, { .compatible = "rockchip,rk3399-gmac", .data = &rk3399_ops }, { .compatible = "rockchip,rk3568-gmac", .data = &rk3568_ops }, + { .compatible = "rockchip,rk3588-gmac", .data = &rk3588_ops }, { .compatible = "rockchip,rv1108-gmac", .data = &rv1108_ops }, { } }; From patchwork Mon Jun 27 17:07:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Reichel X-Patchwork-Id: 12896924 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 53A9DC43334 for ; Mon, 27 Jun 2022 17:11:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; 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; 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Mon, 27 Jun 2022 18:07:52 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1656349672; bh=8EUZhSokoUy572fOzha939IV7xaBmGQX0rZAPrDlbp0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ANSQI2d3dDVsTENU4yz9KnX6IyapF886hc3bNee50cTvzvW4uz5psj1pc846U17Mp rRQF7kz5d3J431CQN6ekI7F3dcuKVbrHjnx8w0RVy2cSJSFD0MuQJ+ZRBPHkRLRVRW MG3TJqHqrtd+jMOgvE4djCmcniT/QyKccSNKfDp2y7ykBTfqnIpSxhgP9tKnkZ9wYR SjbdC61WEhFN91i2jyHp4LQEkfTui9SEH8oNdvJ0ciyKYy2DHl+IPs0OSXOO78EH8E wu/+uIEyV1+buqFV7/uK4Gq/r8Mkz5smpitCxRFQeHKskCiWEA1clj0Pj+zNOnwVIO QprgLnnJfr2eA== Received: by jupiter.universe (Postfix, from userid 1000) id F0F1448010C; Mon, 27 Jun 2022 19:07:49 +0200 (CEST) From: Sebastian Reichel To: Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu Cc: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , netdev@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Sebastian Reichel , kernel@collabora.com Subject: [PATCHv2 2/2] dt-bindings: net: rockchip-dwmac: add rk3588 gmac compatible Date: Mon, 27 Jun 2022 19:07:47 +0200 Message-Id: <20220627170747.137386-3-sebastian.reichel@collabora.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220627170747.137386-1-sebastian.reichel@collabora.com> References: <20220627170747.137386-1-sebastian.reichel@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220627_100758_125722_0E7C7753 X-CRM114-Status: UNSURE ( 9.96 ) X-CRM114-Notice: Please train this message. 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 Add compatible string for RK3588 gmac, which is similar to the RK3568 one, but needs another syscon device for clock selection. Signed-off-by: Sebastian Reichel Acked-by: Krzysztof Kozlowski --- Documentation/devicetree/bindings/net/rockchip-dwmac.yaml | 6 ++++++ Documentation/devicetree/bindings/net/snps,dwmac.yaml | 1 + 2 files changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml index 083623c8d718..1783f5eb9e50 100644 --- a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml +++ b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml @@ -25,6 +25,7 @@ select: - rockchip,rk3368-gmac - rockchip,rk3399-gmac - rockchip,rk3568-gmac + - rockchip,rk3588-gmac - rockchip,rv1108-gmac required: - compatible @@ -50,6 +51,7 @@ properties: - items: - enum: - rockchip,rk3568-gmac + - rockchip,rk3588-gmac - const: snps,dwmac-4.20a clocks: @@ -81,6 +83,10 @@ properties: description: The phandle of the syscon node for the general register file. $ref: /schemas/types.yaml#/definitions/phandle + rockchip,php-grf: + description: The phandle of the syscon node for the peripheral general register file. + $ref: /schemas/types.yaml#/definitions/phandle + tx_delay: description: Delay value for TXD timing. Range value is 0~0x7F, 0x30 as default. $ref: /schemas/types.yaml#/definitions/uint32 diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml index 36c85eb3dc0d..b5aba399ca5d 100644 --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml @@ -72,6 +72,7 @@ properties: - rockchip,rk3328-gmac - rockchip,rk3366-gmac - rockchip,rk3368-gmac + - rockchip,rk3588-gmac - rockchip,rk3399-gmac - rockchip,rv1108-gmac - snps,dwmac