linux-kernel - [PATCH 4/4] clk: sprd: add mipi_csi

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Date:   Mon, 30 Mar 2020 15:14:51 +0800
From:   Chunyan Zhang <zhang.lyra@...il.com>
To:     Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Orson Zhai <orsonzhai@...il.com>,
        Baolin Wang <baolin.wang7@...il.com>,
        Chunyan Zhang <zhang.lyra@...il.com>,
        Chunyan Zhang <chunyan.zhang@...soc.com>
Subject: [PATCH 4/4] clk: sprd: add mipi_csi_xx gate clocks

From: Chunyan Zhang <chunyan.zhang@...soc.com>

mipi_csi_xx clocks are used by camera sensors.

Signed-off-by: Chunyan Zhang <chunyan.zhang@...soc.com>
---
 drivers/clk/sprd/sc9863a-clk.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/drivers/clk/sprd/sc9863a-clk.c b/drivers/clk/sprd/sc9863a-clk.c
index a0631f7756cf..24f064262814 100644
--- a/drivers/clk/sprd/sc9863a-clk.c
+++ b/drivers/clk/sprd/sc9863a-clk.c
@@ -1615,6 +1615,36 @@ static const struct sprd_clk_desc sc9863a_mm_gate_desc = {
 	.hw_clks	= &sc9863a_mm_gate_hws,
 };
 
+/* mm clocks */
+static SPRD_GATE_CLK_HW(mipi_csi_clk, "mipi-csi-clk", &mahb_ckg_eb.common.hw,
+			0x20, BIT(16), 0, SPRD_GATE_NON_AON);
+static SPRD_GATE_CLK_HW(mipi_csi_s_clk, "mipi-csi-s-clk", &mahb_ckg_eb.common.hw,
+			0x24, BIT(16), 0, SPRD_GATE_NON_AON);
+static SPRD_GATE_CLK_HW(mipi_csi_m_clk, "mipi-csi-m-clk", &mahb_ckg_eb.common.hw,
+			0x28, BIT(16), 0, SPRD_GATE_NON_AON);
+
+static struct sprd_clk_common *sc9863a_mm_clk_clks[] = {
+	/* address base is 0x60900000 */
+	&mipi_csi_clk.common,
+	&mipi_csi_s_clk.common,
+	&mipi_csi_m_clk.common,
+};
+
+static struct clk_hw_onecell_data sc9863a_mm_clk_hws = {
+	.hws	= {
+		[CLK_MIPI_CSI]		= &mipi_csi_clk.common.hw,
+		[CLK_MIPI_CSI_S]	= &mipi_csi_s_clk.common.hw,
+		[CLK_MIPI_CSI_M]	= &mipi_csi_m_clk.common.hw,
+	},
+	.num	= CLK_MM_CLK_NUM,
+};
+
+static const struct sprd_clk_desc sc9863a_mm_clk_desc = {
+	.clk_clks	= sc9863a_mm_clk_clks,
+	.num_clk_clks	= ARRAY_SIZE(sc9863a_mm_clk_clks),
+	.hw_clks	= &sc9863a_mm_clk_hws,
+};
+
 static SPRD_SC_GATE_CLK_FW_NAME(sim0_eb,	"sim0-eb",	"ext-26m", 0x0,
 				0x1000, BIT(0), 0, 0);
 static SPRD_SC_GATE_CLK_FW_NAME(iis0_eb,	"iis0-eb",	"ext-26m", 0x0,
@@ -1737,6 +1767,8 @@ static const struct of_device_id sprd_sc9863a_clk_ids[] = {
 	  .data = &sc9863a_aonapb_gate_desc },
 	{ .compatible = "sprd,sc9863a-mm-gate",	/* 0x60800000 */
 	  .data = &sc9863a_mm_gate_desc },
+	{ .compatible = "sprd,sc9863a-mm-clk",	/* 0x60900000 */
+	  .data = &sc9863a_mm_clk_desc },
 	{ .compatible = "sprd,sc9863a-apapb-gate",	/* 0x71300000 */
 	  .data = &sc9863a_apapb_gate_desc },
 	{ }
-- 
2.20.1