From patchwork Thu Aug 22 21:15:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Detlev Casanova X-Patchwork-Id: 13774235 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A6E861D278A; Thu, 22 Aug 2024 21:24:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724361897; cv=pass; b=hSKAW6QDk2fl4EhyyHYsjzlHAfVFnLFq82FfT9led0sGWpfDOjyqrpAZsTjE4i+NEdVFE6Iy7NxijZqrOytxRRvCuitMz6QEDwWU0kT41iVwmyKJuxLvWykqb2gzwNyeWkXQZYm9o1kOAtlyeLtm9yEa7AIrOvL0a4E4CYd5Qac= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724361897; c=relaxed/simple; bh=H5n6yyNbYHJ3kr5/Ml70aTWW0+/x3U/i3fEJWODYXlc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HScBbinvPHL1w6iMtNXbtCkljX+W1iROng+r/jkETDvKbDhO343JwzD7Tlw13tyQLcTSyjybFEFsHXSSQN7GweVWkHRkgoZJHFfbvGLWftqL8ygv/bQ7qEeAuczmn8AQ23/2iC0ssOxYlBci0Vi2Sg86hCZS3soApxYgyQUh2p4= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=detlev.casanova@collabora.com header.b=HCFZMrZt; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=detlev.casanova@collabora.com header.b="HCFZMrZt" ARC-Seal: i=1; a=rsa-sha256; t=1724361880; cv=none; d=zohomail.com; s=zohoarc; b=IkA6hN8H3x2DF8V9mxRMupij6TobJMjfLmiPNg08ryAd5kADu5/UZ1Kq23geHJW2uvz4I90LrplXAx5OaIbzAf0iEpxGjwgaphkYAxTfi/khZyjL+UGqyJJoQODwEID4d+QbTp2rApd7MB9TMjZX71NUWtkfvZ2oNXxGLCyRv2M= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1724361880; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=NS4CxkTiArEGKDo4R2GEQhehc7xfiMhtmReWN/dqCBE=; b=W7A44DjJT7euWf/KcWxrCSLeyNmpbGam22WBNLfcKAiIPveOukKa4l8rFL/BzT7IpgWYDNz1pNITqzrmFoqmAn+NHFQnP9Luz7R0Cy/Bb9KZ0Asi+Dt9200UJw1ZoHgOtrqLLL9Wvr0thlLCQ7+ZigYhc7K3P+qoH6OjVC1fmck= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=detlev.casanova@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1724361880; s=zohomail; d=collabora.com; i=detlev.casanova@collabora.com; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Message-Id:Reply-To; bh=NS4CxkTiArEGKDo4R2GEQhehc7xfiMhtmReWN/dqCBE=; b=HCFZMrZto0mO1j4cXzVGozhYhFRFwk5rbDtiJ75nef5dQ0jIS5oe4KxziD7LiyiT lDZ1F2EWXkHbShrhkcbjpBW7nPr4HIq664YeaZv+W7vrdiLIyfwGWRo/KdCjRmhCkC0 nS/03nNlDYiMLXh7exM8abOs+8Oo7JoTblQ5eSfc= Received: by mx.zohomail.com with SMTPS id 1724361878947371.4122073368609; Thu, 22 Aug 2024 14:24:38 -0700 (PDT) From: Detlev Casanova To: linux-kernel@vger.kernel.org Cc: Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Jaehoon Chung , linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, kernel@collabora.com, Detlev Casanova Subject: [PATCH v4 4/4] mmc: dw_mmc-rockchip: Add support for rk3576 SoCs Date: Thu, 22 Aug 2024 17:15:34 -0400 Message-ID: <20240822212418.982927-5-detlev.casanova@collabora.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240822212418.982927-1-detlev.casanova@collabora.com> References: <20240822212418.982927-1-detlev.casanova@collabora.com> Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ZohoMailClient: External On rk3576 the tunable clocks are inside the controller itself, removing the need for the "ciu-drive" and "ciu-sample" clocks. That makes it a new type of controller that has its own dt_parse function. Signed-off-by: Detlev Casanova --- drivers/mmc/host/dw_mmc-rockchip.c | 48 ++++++++++++++++++++++++++---- 1 file changed, 43 insertions(+), 5 deletions(-) diff --git a/drivers/mmc/host/dw_mmc-rockchip.c b/drivers/mmc/host/dw_mmc-rockchip.c index 1458cb5fd5c7..7c8ccf5e71bc 100644 --- a/drivers/mmc/host/dw_mmc-rockchip.c +++ b/drivers/mmc/host/dw_mmc-rockchip.c @@ -410,7 +410,7 @@ static int dw_mci_rk3288_execute_tuning(struct dw_mci_slot *slot, u32 opcode) return ret; } -static int dw_mci_rk3288_parse_dt(struct dw_mci *host) +static int dw_mci_common_parse_dt(struct dw_mci *host) { struct device_node *np = host->dev->of_node; struct dw_mci_rockchip_priv_data *priv; @@ -420,13 +420,29 @@ static int dw_mci_rk3288_parse_dt(struct dw_mci *host) return -ENOMEM; if (of_property_read_u32(np, "rockchip,desired-num-phases", - &priv->num_phases)) + &priv->num_phases)) priv->num_phases = 360; if (of_property_read_u32(np, "rockchip,default-sample-phase", - &priv->default_sample_phase)) + &priv->default_sample_phase)) priv->default_sample_phase = 0; + host->priv = priv; + + return 0; +} + +static int dw_mci_rk3288_parse_dt(struct dw_mci *host) +{ + struct dw_mci_rockchip_priv_data *priv; + int err; + + err = dw_mci_common_parse_dt(host); + if (err) + return err; + + priv = host->priv; + priv->drv_clk = devm_clk_get(host->dev, "ciu-drive"); if (IS_ERR(priv->drv_clk)) dev_dbg(host->dev, "ciu-drive not available\n"); @@ -435,13 +451,25 @@ static int dw_mci_rk3288_parse_dt(struct dw_mci *host) if (IS_ERR(priv->sample_clk)) dev_dbg(host->dev, "ciu-sample not available\n"); - host->priv = priv; - priv->internal_phase = false; return 0; } +static int dw_mci_rk3576_parse_dt(struct dw_mci *host) +{ + struct dw_mci_rockchip_priv_data *priv; + int err = dw_mci_common_parse_dt(host); + if (err) + return err; + + priv = host->priv; + + priv->internal_phase = true; + + return 0; +} + static int dw_mci_rockchip_init(struct dw_mci *host) { int ret, i; @@ -483,11 +511,21 @@ static const struct dw_mci_drv_data rk3288_drv_data = { .init = dw_mci_rockchip_init, }; +static const struct dw_mci_drv_data rk3576_drv_data = { + .common_caps = MMC_CAP_CMD23, + .set_ios = dw_mci_rk3288_set_ios, + .execute_tuning = dw_mci_rk3288_execute_tuning, + .parse_dt = dw_mci_rk3576_parse_dt, + .init = dw_mci_rockchip_init, +}; + static const struct of_device_id dw_mci_rockchip_match[] = { { .compatible = "rockchip,rk2928-dw-mshc", .data = &rk2928_drv_data }, { .compatible = "rockchip,rk3288-dw-mshc", .data = &rk3288_drv_data }, + { .compatible = "rockchip,rk3576-dw-mshc", + .data = &rk3576_drv_data }, {}, }; MODULE_DEVICE_TABLE(of, dw_mci_rockchip_match);