Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754223AbcJUDdv (ORCPT ); Thu, 20 Oct 2016 23:33:51 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:46962 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752116AbcJUDdI (ORCPT ); Thu, 20 Oct 2016 23:33:08 -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 v14 2/4] reset: mediatek: Add MT2701 reset driver Date: Fri, 21 Oct 2016 11:32:20 +0800 Message-ID: <1477020742-13889-3-git-send-email-erin.lo@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1477020742-13889-1-git-send-email-erin.lo@mediatek.com> References: <1477020742-13889-1-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: 2044 Lines: 69 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 | 6 +++++- drivers/clk/mediatek/clk-mt2701.c | 12 ++++++++++-- 2 files changed, 15 insertions(+), 3 deletions(-) diff --git a/drivers/clk/mediatek/clk-mt2701-hif.c b/drivers/clk/mediatek/clk-mt2701-hif.c index e2b0039..4c0688f 100644 --- a/drivers/clk/mediatek/clk-mt2701-hif.c +++ b/drivers/clk/mediatek/clk-mt2701-hif.c @@ -53,8 +53,12 @@ static int mtk_hifsys_init(struct platform_device *pdev) 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, 1, 0x34); + + return 0; } static const struct of_device_id of_match_clk_mt2701_hif[] = { diff --git a/drivers/clk/mediatek/clk-mt2701.c b/drivers/clk/mediatek/clk-mt2701.c index c225256..b2148b6 100644 --- a/drivers/clk/mediatek/clk-mt2701.c +++ b/drivers/clk/mediatek/clk-mt2701.c @@ -802,8 +802,12 @@ 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 = { @@ -920,8 +924,12 @@ static int mtk_pericfg_init(struct platform_device *pdev) &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