linux-kernel - [PATCH] clk: imx6q: add DCICx clocks gate

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Date:   Fri, 30 Nov 2018 06:31:40 +0000
From:   Anson Huang <anson.huang@....com>
To:     "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        Fabio Estevam <fabio.estevam@....com>,
        "mturquette@...libre.com" <mturquette@...libre.com>,
        "sboyd@...nel.org" <sboyd@...nel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "clement.peron@...ialet.com" <clement.peron@...ialet.com>,
        "colin.didier@...ialet.com" <colin.didier@...ialet.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
CC:     dl-linux-imx <linux-imx@....com>
Subject: [PATCH] clk: imx6q: add DCICx clocks gate

On i.MX6QP/i.MX6Q/i.MX6DL, there are DCIC1/DCIC2 clocks
gate in CCM_CCGR0 register, add them into clock tree for
clock management.

Signed-off-by: Anson Huang <Anson.Huang@....com>
---
 drivers/clk/imx/clk-imx6q.c               | 2 ++
 include/dt-bindings/clock/imx6qdl-clock.h | 4 +++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/imx/clk-imx6q.c b/drivers/clk/imx/clk-imx6q.c
index bbe0c60..31a9d94 100644
--- a/drivers/clk/imx/clk-imx6q.c
+++ b/drivers/clk/imx/clk-imx6q.c
@@ -737,6 +737,8 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
 	clk[IMX6QDL_CLK_CAN1_SERIAL]  = imx_clk_gate2("can1_serial",   "can_root",          base + 0x68, 16);
 	clk[IMX6QDL_CLK_CAN2_IPG]     = imx_clk_gate2("can2_ipg",      "ipg",               base + 0x68, 18);
 	clk[IMX6QDL_CLK_CAN2_SERIAL]  = imx_clk_gate2("can2_serial",   "can_root",          base + 0x68, 20);
+	clk[IMX6QDL_CLK_DCIC1]        = imx_clk_gate2("dcic1",         "ipu1_podf",         base + 0x68, 24);
+	clk[IMX6QDL_CLK_DCIC2]        = imx_clk_gate2("dcic2",         "ipu2_podf",         base + 0x68, 26);
 	clk[IMX6QDL_CLK_ECSPI1]       = imx_clk_gate2("ecspi1",        "ecspi_root",        base + 0x6c, 0);
 	clk[IMX6QDL_CLK_ECSPI2]       = imx_clk_gate2("ecspi2",        "ecspi_root",        base + 0x6c, 2);
 	clk[IMX6QDL_CLK_ECSPI3]       = imx_clk_gate2("ecspi3",        "ecspi_root",        base + 0x6c, 4);
diff --git a/include/dt-bindings/clock/imx6qdl-clock.h b/include/dt-bindings/clock/imx6qdl-clock.h
index 87b068f..b3cef29 100644
--- a/include/dt-bindings/clock/imx6qdl-clock.h
+++ b/include/dt-bindings/clock/imx6qdl-clock.h
@@ -274,6 +274,8 @@
 #define IMX6QDL_CLK_EPIT1			261
 #define IMX6QDL_CLK_EPIT2			262
 #define IMX6QDL_CLK_MMDC_P0_IPG			263
-#define IMX6QDL_CLK_END				264
+#define IMX6QDL_CLK_DCIC1			264
+#define IMX6QDL_CLK_DCIC2			265
+#define IMX6QDL_CLK_END				266
 
 #endif /* __DT_BINDINGS_CLOCK_IMX6QDL_H */
-- 
2.7.4