From mboxrd@z Thu Jan 1 00:00:00 1970 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=-2.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 BE77CC6778F for ; Fri, 27 Jul 2018 18:48:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6970C205F4 for ; Fri, 27 Jul 2018 18:48:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=linaro.org header.i=@linaro.org header.b="B+B+IElC" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6970C205F4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389322AbeG0ULn (ORCPT ); Fri, 27 Jul 2018 16:11:43 -0400 Received: from mail-pl0-f68.google.com ([209.85.160.68]:43751 "EHLO mail-pl0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389048AbeG0ULn (ORCPT ); Fri, 27 Jul 2018 16:11:43 -0400 Received: by mail-pl0-f68.google.com with SMTP id x6-v6so2673803plv.10 for ; Fri, 27 Jul 2018 11:48:33 -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=Omam1wZGPqzcV3XwslkPsL4Brev19/KvykBbYtjwDKo=; b=B+B+IElCkr/tQ85xZ6iBY8KMuapYu6tTxJohzROw8ij32WH9i3VE4ybzB4hNF3cMCn RxDBQmq/FX4QLceAcf95ujucmQg+g4wgVzJd/S4zP2ZYxq7/VxL9XmLBoDPsO+EkWwdx WDiNV6BXW8Yl0XozT1XAxlpXeR+50+DVewb5M= 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=Omam1wZGPqzcV3XwslkPsL4Brev19/KvykBbYtjwDKo=; b=qKT8cf/pzLFQCL2bNcO3YmaGewbKIE/EANSnjseMz5Aqo39p95reI+DwsvaU39f3PS j3Zq7x4d66OmfgMhr4LRrij2IA6fIPjFEq47WR+373XX0zNDvQesfGvPOt3gt4XoawWv zCh9ZLvqNLVqN7oSEgcYrpcDn+eEC5+WST+pxQPhQKTfg0uecRdq5G+/cqHHa2pVtfcF omxRSe7hKuh2HwQHJO4fFO06/MUpYt1xVZfCXr9VDq+oHM6k3KiKjUNwlvjqvjIKSdYG Dn9plGJu3ArlCNwui4I8XDvCm7Uk3AGQ2SBD7jY3MbOyAp9LKKGMNdMbexTAXXtSyoWx DP8g== X-Gm-Message-State: AOUpUlHqt0MZgwArMO928/sJdppMtBBW0GUCNl+UxSgm/qlvdM0/Yyme 7NfpAN4Pny1w8ChlRpJJCHiR X-Google-Smtp-Source: AAOMgpdUhVBiv9JzqXmnry+GyCGCPEgeYgtkbMaQKHctzmexU7C2GVgG2GRPlI38D2jg7Qhsb8znXw== X-Received: by 2002:a17:902:5ac7:: with SMTP id g7-v6mr7049061plm.90.1532717313435; Fri, 27 Jul 2018 11:48:33 -0700 (PDT) Received: from localhost.localdomain ([2405:204:7308:c330:41b:cc59:b463:ec7b]) by smtp.gmail.com with ESMTPSA id t69-v6sm13817959pfj.7.2018.07.27.11.48.22 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 27 Jul 2018 11:48:32 -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 9/9] clk: actions: Add Actions Semi S900 SoC Reset Management Unit support Date: Sat, 28 Jul 2018 00:15:27 +0530 Message-Id: <20180727184527.13287-10-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180727184527.13287-1-manivannan.sadhasivam@linaro.org> References: <20180727184527.13287-1-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(+) diff --git a/drivers/clk/actions/owl-s900.c b/drivers/clk/actions/owl-s900.c index bb7ee872d316..4d38b1265cc3 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 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); } -- 2.17.1