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[209.132.180.67]) by mx.google.com with ESMTP id v84-v6si10337443pfd.71.2018.08.10.02.54.00; Fri, 10 Aug 2018 02:54:00 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=k2ls3ngv; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728090AbeHJMXG (ORCPT + 31 others); Fri, 10 Aug 2018 08:23:06 -0400 Received: from mail-pg1-f193.google.com ([209.85.215.193]:45955 "EHLO mail-pg1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728068AbeHJMXG (ORCPT ); Fri, 10 Aug 2018 08:23:06 -0400 Received: by mail-pg1-f193.google.com with SMTP id f1-v6so4151395pgq.12 for ; Fri, 10 Aug 2018 02:53:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=TsC3y/G7oQrGj1na8agCg1YEKCvMhOLYf1w2f0QIgow=; b=k2ls3ngvhKez/iIT7iQbrKYPZcPToXYYSyVqHh2MPQtpgeDIyc9RSmzrgPPMSS3yTo /CWX/d/gm3y4XxUz6gfAHQQtVTNZrIao9rQd2mZn2yUI1OJnzA62hkyfx77uV0CqqlG9 CmqVEVYb5TNLa7o5w2QoLg50WmHtgOd5GJmhk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=TsC3y/G7oQrGj1na8agCg1YEKCvMhOLYf1w2f0QIgow=; b=ac1e73lZP0SgsujeAU7CqEI9YkQ68LNgmOCjvaVVgLXiteIc9gkklMqaTc9zFalxGs HYq6+sx4cZPxt8EQHZte3VSfKmoeWcswNnM8a7wf1TQtJMoK8WIa1q1fIvSotGFInDoO a7OcDRE4rdWy4tQmu5P5ZcaB5qvipLtcsIk2HZni1w9QIt9y1OGVxR6TAuAwRmBAbcqa B26OM2wJpAG07ZCIzxnno+r77GKke605LL8lsi5c3RyGI8hcSwpDf2OVOyl6QlQ8Qg1k PoShvHJDF0SgoxVYTIRTkNhVeT2K/yY9g+YwXFWdwlE177cf2aiLKnabY3b+rDwrYNQP kflw== X-Gm-Message-State: AOUpUlF14qiMQDFHchXaRzrHG1lIEChUCgWUHqrOFqOt44eZDvYDg2WW IMNz3HWH59B2ksym/g18PHG+ X-Received: by 2002:a63:555:: with SMTP id 82-v6mr5889608pgf.25.1533894837385; Fri, 10 Aug 2018 02:53:57 -0700 (PDT) Received: from localhost.localdomain ([2409:4072:6391:e983:9562:f5f7:1a60:4363]) by smtp.gmail.com with ESMTPSA id n83-v6sm25315120pfk.19.2018.08.10.02.53.47 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 10 Aug 2018 02:53:56 -0700 (PDT) From: Manivannan Sadhasivam To: p.zabel@pengutronix.de, mturquette@baylibre.com, sboyd@kernel.org, afaerber@suse.de, robh+dt@kernel.org Cc: linux-clk@vger.kernel.org, liuwei@actions-semi.com, mp-cs@actions-semi.com, 96boards@ucrobotics.com, devicetree@vger.kernel.org, daniel.thompson@linaro.org, amit.kucheria@linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, hzhang@ucrobotics.com, bdong@ucrobotics.com, manivannanece23@gmail.com, thomas.liau@actions-semi.com, jeff.chen@actions-semi.com, pn@denx.de, edgar.righi@lsitec.org.br, sravanhome@gmail.com, Manivannan Sadhasivam Subject: [PATCH v3 9/9] clk: actions: Add Actions Semi S900 SoC Reset Management Unit support Date: Fri, 10 Aug 2018 15:21:13 +0530 Message-Id: <20180810095113.25292-10-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180810095113.25292-1-manivannan.sadhasivam@linaro.org> References: <20180810095113.25292-1-manivannan.sadhasivam@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add Reset Management Unit (RMU) support for Actions Semi S900 SoC. Signed-off-by: Manivannan Sadhasivam --- drivers/clk/actions/owl-s900.c | 82 ++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) -- 2.17.1 diff --git a/drivers/clk/actions/owl-s900.c b/drivers/clk/actions/owl-s900.c index bb7ee872d316..790890978424 100644 --- a/drivers/clk/actions/owl-s900.c +++ b/drivers/clk/actions/owl-s900.c @@ -19,8 +19,10 @@ #include "owl-gate.h" #include "owl-mux.h" #include "owl-pll.h" +#include "owl-reset.h" #include +#include #define CMU_COREPLL (0x0000) #define CMU_DEVPLL (0x0004) @@ -684,20 +686,100 @@ static struct clk_hw_onecell_data s900_hw_clks = { .num = CLK_NR_CLKS, }; +static const struct owl_reset_map s900_resets[] = { + [RESET_DMAC] = { CMU_DEVRST0, BIT(0) }, + [RESET_SRAMI] = { CMU_DEVRST0, BIT(1) }, + [RESET_DDR_CTL_PHY] = { CMU_DEVRST0, BIT(2) }, + [RESET_NANDC0] = { CMU_DEVRST0, BIT(3) }, + [RESET_SD0] = { CMU_DEVRST0, BIT(4) }, + [RESET_SD1] = { CMU_DEVRST0, BIT(5) }, + [RESET_PCM1] = { CMU_DEVRST0, BIT(6) }, + [RESET_DE] = { CMU_DEVRST0, BIT(7) }, + [RESET_LVDS] = { CMU_DEVRST0, BIT(8) }, + [RESET_SD2] = { CMU_DEVRST0, BIT(9) }, + [RESET_DSI] = { CMU_DEVRST0, BIT(10) }, + [RESET_CSI0] = { CMU_DEVRST0, BIT(11) }, + [RESET_BISP_AXI] = { CMU_DEVRST0, BIT(12) }, + [RESET_CSI1] = { CMU_DEVRST0, BIT(13) }, + [RESET_GPIO] = { CMU_DEVRST0, BIT(15) }, + [RESET_EDP] = { CMU_DEVRST0, BIT(16) }, + [RESET_AUDIO] = { CMU_DEVRST0, BIT(17) }, + [RESET_PCM0] = { CMU_DEVRST0, BIT(18) }, + [RESET_HDE] = { CMU_DEVRST0, BIT(21) }, + [RESET_GPU3D_PA] = { CMU_DEVRST0, BIT(22) }, + [RESET_IMX] = { CMU_DEVRST0, BIT(23) }, + [RESET_SE] = { CMU_DEVRST0, BIT(24) }, + [RESET_NANDC1] = { CMU_DEVRST0, BIT(25) }, + [RESET_SD3] = { CMU_DEVRST0, BIT(26) }, + [RESET_GIC] = { CMU_DEVRST0, BIT(27) }, + [RESET_GPU3D_PB] = { CMU_DEVRST0, BIT(28) }, + [RESET_DDR_CTL_PHY_AXI] = { CMU_DEVRST0, BIT(29) }, + [RESET_CMU_DDR] = { CMU_DEVRST0, BIT(30) }, + [RESET_DMM] = { CMU_DEVRST0, BIT(31) }, + [RESET_USB2HUB] = { CMU_DEVRST1, BIT(0) }, + [RESET_USB2HSIC] = { CMU_DEVRST1, BIT(1) }, + [RESET_HDMI] = { CMU_DEVRST1, BIT(2) }, + [RESET_HDCP2TX] = { CMU_DEVRST1, BIT(3) }, + [RESET_UART6] = { CMU_DEVRST1, BIT(4) }, + [RESET_UART0] = { CMU_DEVRST1, BIT(5) }, + [RESET_UART1] = { CMU_DEVRST1, BIT(6) }, + [RESET_UART2] = { CMU_DEVRST1, BIT(7) }, + [RESET_SPI0] = { CMU_DEVRST1, BIT(8) }, + [RESET_SPI1] = { CMU_DEVRST1, BIT(9) }, + [RESET_SPI2] = { CMU_DEVRST1, BIT(10) }, + [RESET_SPI3] = { CMU_DEVRST1, BIT(11) }, + [RESET_I2C0] = { CMU_DEVRST1, BIT(12) }, + [RESET_I2C1] = { CMU_DEVRST1, BIT(13) }, + [RESET_USB3] = { CMU_DEVRST1, BIT(14) }, + [RESET_UART3] = { CMU_DEVRST1, BIT(15) }, + [RESET_UART4] = { CMU_DEVRST1, BIT(16) }, + [RESET_UART5] = { CMU_DEVRST1, BIT(17) }, + [RESET_I2C2] = { CMU_DEVRST1, BIT(18) }, + [RESET_I2C3] = { CMU_DEVRST1, BIT(19) }, + [RESET_ETHERNET] = { CMU_DEVRST1, BIT(20) }, + [RESET_CHIPID] = { CMU_DEVRST1, BIT(21) }, + [RESET_I2C4] = { CMU_DEVRST1, BIT(22) }, + [RESET_I2C5] = { CMU_DEVRST1, BIT(23) }, + [RESET_CPU_SCNT] = { CMU_DEVRST1, BIT(30) } +}; + static struct owl_clk_desc s900_clk_desc = { .clks = s900_clks, .num_clks = ARRAY_SIZE(s900_clks), .hw_clks = &s900_hw_clks, + + .resets = s900_resets, + .num_resets = ARRAY_SIZE(s900_resets), }; static int s900_clk_probe(struct platform_device *pdev) { struct owl_clk_desc *desc; + struct owl_reset *reset; + int ret; desc = &s900_clk_desc; owl_clk_regmap_init(pdev, desc); + /* + * FIXME: Reset controller registration should be moved to + * common code, once all SoCs of Owl family supports it. + */ + reset = devm_kzalloc(&pdev->dev, sizeof(*reset), GFP_KERNEL); + if (!reset) + return -ENOMEM; + + reset->rcdev.of_node = pdev->dev.of_node; + reset->rcdev.ops = &owl_reset_ops; + reset->rcdev.nr_resets = desc->num_resets; + reset->reset_map = desc->resets; + reset->regmap = desc->regmap; + + ret = devm_reset_controller_register(&pdev->dev, &reset->rcdev); + if (ret) + dev_err(&pdev->dev, "Failed to register reset controller\n"); + return owl_clk_probe(&pdev->dev, desc->hw_clks); }