From patchwork Fri Nov 4 07:43:06 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Erin Lo X-Patchwork-Id: 9412029 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id CF5016022E for ; Fri, 4 Nov 2016 07:44:21 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C12452B03E for ; Fri, 4 Nov 2016 07:44:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B5A932B057; Fri, 4 Nov 2016 07:44:21 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 5331A2B03E for ; Fri, 4 Nov 2016 07:44:21 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1c2ZAi-0005sx-Pn; Fri, 04 Nov 2016 07:44:20 +0000 Received: from [210.61.82.184] (helo=mailgw02.mediatek.com) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1c2ZAH-0005ew-GB; Fri, 04 Nov 2016 07:43:56 +0000 Received: from mtkhts09.mediatek.inc [(172.21.101.70)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1006282549; Fri, 04 Nov 2016 15:43:29 +0800 Received: from mtkslt209.mediatek.inc (10.21.15.96) by mtkhts09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 14.3.266.1; Fri, 4 Nov 2016 15:43:27 +0800 From: Erin Lo To: Matthias Brugger , Mike Turquette , Stephen Boyd , Rob Herring Subject: [PATCH v15 2/4] reset: mediatek: Add MT2701 reset driver Date: Fri, 4 Nov 2016 15:43:06 +0800 Message-ID: <1478245388-1412-3-git-send-email-erin.lo@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1478245388-1412-1-git-send-email-erin.lo@mediatek.com> References: <1478245388-1412-1-git-send-email-erin.lo@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20161104_004353_785018_F1174641 X-CRM114-Status: GOOD ( 13.23 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Sascha Hauer , Arnd Bergmann , James Liao , Erin Lo , ms.chen@mediatek.com, linux-kernel@vger.kernel.org, srv_heupstream@mediatek.com, linux-mediatek@lists.infradead.org, Shunli Wang , Philipp Zabel , robert.chou@mediatek.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Shunli Wang In infrasys and perifsys, there are many reset control bits for kinds of modules. These bits are used as actual reset controllers to be registered into kernel's generic reset controller framework. Signed-off-by: Shunli Wang Signed-off-by: James Liao Signed-off-by: Erin Lo Tested-by: John Crispin Acked-by: Philipp Zabel --- drivers/clk/mediatek/clk-mt2701-hif.c | 8 ++++++-- drivers/clk/mediatek/clk-mt2701.c | 12 ++++++++++-- 2 files changed, 16 insertions(+), 4 deletions(-) diff --git a/drivers/clk/mediatek/clk-mt2701-hif.c b/drivers/clk/mediatek/clk-mt2701-hif.c index 452581c..18f3723 100644 --- a/drivers/clk/mediatek/clk-mt2701-hif.c +++ b/drivers/clk/mediatek/clk-mt2701-hif.c @@ -58,12 +58,16 @@ static int clk_mt2701_hif_probe(struct platform_device *pdev) clk_data); r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); - if (r) + if (r) { dev_err(&pdev->dev, "could not register clock provider: %s: %d\n", pdev->name, r); + return r; + } + + mtk_register_reset_controller(node, 1, 0x34); - return r; + return 0; } static struct platform_driver clk_mt2701_hif_drv = { diff --git a/drivers/clk/mediatek/clk-mt2701.c b/drivers/clk/mediatek/clk-mt2701.c index 6d2f82f..6f26e6a 100644 --- a/drivers/clk/mediatek/clk-mt2701.c +++ b/drivers/clk/mediatek/clk-mt2701.c @@ -787,8 +787,12 @@ static int mtk_infrasys_init(struct platform_device *pdev) infra_clk_data); r = of_clk_add_provider(node, of_clk_src_onecell_get, infra_clk_data); + if (r) + return r; - return r; + mtk_register_reset_controller(node, 2, 0x30); + + return 0; } static const struct mtk_gate_regs peri0_cg_regs = { @@ -906,8 +910,12 @@ static int mtk_pericfg_init(struct platform_device *pdev) &mt2701_clk_lock, clk_data); r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + if (r) + return r; - return r; + mtk_register_reset_controller(node, 2, 0x0); + + return 0; } #define MT8590_PLL_FMAX (2000 * MHZ)