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Tue, 4 Jun 2019 18:12:01 +0800 From: Stu Hsieh To: Mauro Carvalho Chehab , Rob Herring , CK Hu Subject: [PATCH v4 06/14] [media] mtk-mipicsi: enable/disable ana clk Date: Tue, 4 Jun 2019 18:11:47 +0800 Message-ID: <1559643115-15124-7-git-send-email-stu.hsieh@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1559643115-15124-1-git-send-email-stu.hsieh@mediatek.com> References: <1559643115-15124-1-git-send-email-stu.hsieh@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-20190604_031413_485830_7147D43F X-CRM114-Status: GOOD ( 10.71 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, srv_heupstream@mediatek.com, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, Stu Hsieh , Matthias Brugger , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org This patch enable/disable ana clk when power on/off Signed-off-by: Stu Hsieh --- .../media/platform/mtk-mipicsi/mtk_mipicsi.c | 37 +++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c b/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c index 28dcc683a958..f5cb29077022 100644 --- a/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c +++ b/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c @@ -182,6 +182,41 @@ static const struct mtk_format mtk_mipicsi_formats[] = { }, }; +static void mtk_mipicsi_ana_clk_enable(void __iomem *base, bool enable) +{ + if (enable) { + writel(1UL | readl(base + MIPI_RX_ANA00_CSI), + base + MIPI_RX_ANA00_CSI); + writel(1UL | readl(base + MIPI_RX_ANA04_CSI), + base + MIPI_RX_ANA04_CSI); + writel(1UL | readl(base + MIPI_RX_ANA08_CSI), + base + MIPI_RX_ANA08_CSI); + writel(1UL | readl(base + MIPI_RX_ANA0C_CSI), + base + MIPI_RX_ANA0C_CSI); + writel(1UL | readl(base + MIPI_RX_ANA10_CSI), + base + MIPI_RX_ANA10_CSI); + writel(1UL | readl(base + MIPI_RX_ANA20_CSI), + base + MIPI_RX_ANA20_CSI); + writel(1UL | readl(base + MIPI_RX_ANA24_CSI), + base + MIPI_RX_ANA24_CSI); + } else { + writel(~1UL & readl(base + MIPI_RX_ANA00_CSI), + base + MIPI_RX_ANA00_CSI); + writel(~1UL & readl(base + MIPI_RX_ANA04_CSI), + base + MIPI_RX_ANA04_CSI); + writel(~1UL & readl(base + MIPI_RX_ANA08_CSI), + base + MIPI_RX_ANA08_CSI); + writel(~1UL & readl(base + MIPI_RX_ANA0C_CSI), + base + MIPI_RX_ANA0C_CSI); + writel(~1UL & readl(base + MIPI_RX_ANA10_CSI), + base + MIPI_RX_ANA10_CSI); + writel(~1UL & readl(base + MIPI_RX_ANA20_CSI), + base + MIPI_RX_ANA20_CSI); + writel(~1UL & readl(base + MIPI_RX_ANA24_CSI), + base + MIPI_RX_ANA24_CSI); + } +} + static void mtk_mipicsi_ana_init(void __iomem *base) { writel(0xFEFBEFBEU & readl(base + MIPI_RX_ANA4C_CSI), @@ -354,6 +389,8 @@ static void mipicsi_clk_enable(struct mtk_mipicsi_dev *mipicsi, bool enable) for (i = 0; i < mipicsi->common_clk_num; i++) enable ? clk_prepare_enable(mipicsi->common_clk[i]) : clk_disable_unprepare(mipicsi->common_clk[i]); + + mtk_mipicsi_ana_clk_enable(mipicsi->ana, enable); } static int mtk_mipicsi_pm_suspend(struct device *dev) -- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel