From patchwork Sat Feb 2 15:26:20 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Govind Singh X-Patchwork-Id: 10794353 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 414FC14E1 for ; Sat, 2 Feb 2019 15:26:48 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 338642C46B for ; Sat, 2 Feb 2019 15:26:48 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 26C49305A9; Sat, 2 Feb 2019 15:26:48 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C60432E058 for ; Sat, 2 Feb 2019 15:26:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727778AbfBBP0q (ORCPT ); Sat, 2 Feb 2019 10:26:46 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:37404 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726617AbfBBP0q (ORCPT ); Sat, 2 Feb 2019 10:26:46 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 4958760960; Sat, 2 Feb 2019 15:26:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1549121205; bh=I5GwVj9SqQ0wr9P82gWN4dFKiDiO0GK0PgBOJAnQTF8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PErXfSO8TtBVYr2QFSVXIz2jL6+BApJYJ8ieUj+cvgW5V1kzrTL4d/DPQlUYszR1x V4atecncBN+qzckGofG1AWtczhfe5cnSE5nfpBzF61RPalMzj9OlBB4IXCIPmtbALE IIy68JdnjGT9pMv9SMEmlvtMXVwXz8OE7lCXLw4c= Received: from govinds-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: govinds@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 77D556090B; Sat, 2 Feb 2019 15:26:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1549121204; bh=I5GwVj9SqQ0wr9P82gWN4dFKiDiO0GK0PgBOJAnQTF8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dopYmPRu8llkrB6vZDXPmMlLOgoTUI8TMXb9xzY+aywJGIZ4bYutCY1WBhp6Pw6HR nUbBT9WQVywQBq3riTUQ1FGZ4pUvEKrx/4p/M+MOLQKC7tc4gCmbL+75hKgrKw42vU zBfr1+Kz/lQoNHQHI9QF4V9hDGtXZsTx4gJacA+Q= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 77D556090B Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=govinds@codeaurora.org From: Govind Singh To: bjorn.andersson@linaro.org, linux-remoteproc@vger.kernel.org, sboyd@kernel.org Cc: linux-clk@vger.kernel.org, linux-arm-msm@vger.kernel.org, andy.gross@linaro.org, david.brown@linaro.org, linux-soc@vger.kernel.org, devicetree@vger.kernel.org, Govind Singh Subject: [PATCH v4 2/8] clk: qcom: Add WCSS gcc clock control for QCS404 Date: Sat, 2 Feb 2019 20:56:20 +0530 Message-Id: <20190202152626.1006-3-govinds@codeaurora.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190202152626.1006-1-govinds@codeaurora.org> References: <20190202152626.1006-1-govinds@codeaurora.org> MIME-Version: 1.0 Sender: linux-remoteproc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add support for the WCSS QDSP gcc clock control used on qcs404 based devices. This would allow wcss remoteproc driver to control the required gcc clocks to bring the subsystem out of reset. Signed-off-by: Govind Singh --- drivers/clk/qcom/gcc-qcs404.c | 37 ++++++++++++++++++++++++++++++++++- 1 file changed, 36 insertions(+), 1 deletion(-) diff --git a/drivers/clk/qcom/gcc-qcs404.c b/drivers/clk/qcom/gcc-qcs404.c index f5235cc2d3f1..e3e1cb322cdd 100644 --- a/drivers/clk/qcom/gcc-qcs404.c +++ b/drivers/clk/qcom/gcc-qcs404.c @@ -2520,6 +2520,32 @@ static struct clk_branch gcc_usb_hs_system_clk = { }, }; +static struct clk_branch gcc_wdsp_q6ss_ahbs_clk = { + .halt_reg = 0x1e004, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x1e004, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gcc_wdsp_q6ss_ahbs_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gcc_wdsp_q6ss_axim_clk = { + .halt_reg = 0x1e008, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x1e008, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gcc_wdsp_q6ss_axim_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + static struct clk_hw *gcc_qcs404_hws[] = { &cxo.hw, }; @@ -2661,6 +2687,9 @@ static struct clk_regmap *gcc_qcs404_clocks[] = { [GCC_QDSS_DAP_CLK] = &gcc_qdss_dap_clk.clkr, [GCC_DCC_CLK] = &gcc_dcc_clk.clkr, [GCC_DCC_XO_CLK] = &gcc_dcc_xo_clk.clkr, + [GCC_WCSS_Q6_AHB_CLK] = NULL, + [GCC_WCSS_Q6_AXIM_CLK] = NULL, + }; static const struct qcom_reset_map gcc_qcs404_resets[] = { @@ -2685,6 +2714,7 @@ static const struct qcom_reset_map gcc_qcs404_resets[] = { [GCC_PCIE_0_SLEEP_ARES] = {0x3e040, 1}, [GCC_PCIE_0_PIPE_ARES] = {0x3e040, 0}, [GCC_EMAC_BCR] = { 0x4e000 }, + [GCC_WDSP_RESTART] = {0x19000}, }; static const struct regmap_config gcc_qcs404_regmap_config = { @@ -2695,7 +2725,7 @@ static const struct regmap_config gcc_qcs404_regmap_config = { .fast_io = true, }; -static const struct qcom_cc_desc gcc_qcs404_desc = { +static struct qcom_cc_desc gcc_qcs404_desc = { .config = &gcc_qcs404_regmap_config, .clks = gcc_qcs404_clocks, .num_clks = ARRAY_SIZE(gcc_qcs404_clocks), @@ -2726,6 +2756,11 @@ static int gcc_qcs404_probe(struct platform_device *pdev) return ret; } + if (of_property_read_bool(pdev->dev.of_node, "qcom,wcss-unprotected")) { + gcc_qcs404_clocks[GCC_WCSS_Q6_AHB_CLK] = &gcc_wdsp_q6ss_ahbs_clk.clkr; + gcc_qcs404_clocks[GCC_WCSS_Q6_AXIM_CLK] = &gcc_wdsp_q6ss_axim_clk.clkr; + } + return qcom_cc_really_probe(pdev, &gcc_qcs404_desc, regmap); }