From: Stu Hsieh <stu.hsieh@mediatek.com>
To: Mauro Carvalho Chehab <mchehab@kernel.org>,
Rob Herring <robh+dt@kernel.org>, CK Hu <ck.hu@mediatek.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
Stu Hsieh <stu.hsieh@mediatek.com>,
linux-media@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com
Subject: [PATCH v4 06/14] [media] mtk-mipicsi: enable/disable ana clk
Date: Tue, 4 Jun 2019 18:11:47 +0800 [thread overview]
Message-ID: <1559643115-15124-7-git-send-email-stu.hsieh@mediatek.com> (raw)
In-Reply-To: <1559643115-15124-1-git-send-email-stu.hsieh@mediatek.com>
This patch enable/disable ana clk when power on/off
Signed-off-by: Stu Hsieh <stu.hsieh@mediatek.com>
---
.../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
next prev parent reply other threads:[~2019-06-04 10:11 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-04 10:11 [PATCH v4 00/14] Add mediatek mipicsi driver for Mediatek SOC MT2712 Stu Hsieh
2019-06-04 10:11 ` [PATCH v4 01/14] dt-bindings: Add binding for MT2712 MIPI-CSI2 Stu Hsieh
2019-06-10 2:34 ` CK Hu
2019-06-10 3:32 ` Tomasz Figa
2019-06-10 7:51 ` CK Hu
2019-06-10 7:58 ` Tomasz Figa
2019-08-26 14:05 ` Sakari Ailus
2019-06-04 10:11 ` [PATCH v4 02/14] dt-bindings: media: Add mipicsi common node " Stu Hsieh
2019-06-04 10:11 ` [PATCH v4 03/14] dt-bindings: media: Add camsv " Stu Hsieh
2019-06-04 10:11 ` [PATCH v4 04/14] [media] mtk-mipicsi: add mediatek mipicsi driver for mt2712 Stu Hsieh
2019-06-04 10:11 ` [PATCH v4 05/14] [media] mtk-mipicsi: register the v4l2 device for mt2712 mipicsi Stu Hsieh
2019-06-04 10:11 ` Stu Hsieh [this message]
2019-06-04 10:11 ` [PATCH v4 07/14] [media] mtk-mipicsi: add function to get the number of subdev link Stu Hsieh
2019-06-04 10:11 ` [PATCH v4 08/14] [media] mtk-mipicsi: enable/disable cmos for mt2712 Stu Hsieh
2019-06-04 10:11 ` [PATCH v4 09/14] [media] mtk-mipicsi: add ISR for writing the data to buffer Stu Hsieh
2019-06-04 10:11 ` [PATCH v4 10/14] [media] mtk-mipicsi: set the output address in HW reg Stu Hsieh
2019-06-04 10:11 ` [PATCH v4 11/14] [media] mtk-mipicsi: add function to get the format Stu Hsieh
2019-06-04 10:11 ` [PATCH v4 12/14] [media] mtk-mipicsi: add debug message for mipicsi driver Stu Hsieh
2019-06-04 10:11 ` [PATCH v4 13/14] [media] mtk-mipicsi: add debugfs " Stu Hsieh
2019-06-04 10:11 ` [PATCH v4 14/14] [media] mtk-mipicsi: add function to support SerDes for link number Stu Hsieh
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