Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760308AbcKDHnm (ORCPT ); Fri, 4 Nov 2016 03:43:42 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:35039 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1760089AbcKDHnf (ORCPT ); Fri, 4 Nov 2016 03:43:35 -0400 From: Erin Lo To: Matthias Brugger , Mike Turquette , Stephen Boyd , Rob Herring CC: Arnd Bergmann , Sascha Hauer , Daniel Kurtz , Philipp Zabel , , , , , , , , , Shunli Wang , James Liao , Erin Lo 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 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2162 Lines: 74 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) -- 1.9.1