[PATCH v3 2/4] ARM: imx: clk-vf610: fix FlexCAN clock gating

From: Stefan Agner
Date: Tue Jul 15 2014 - 08:57:21 EST


Extend the clock control for FlexCAN with the second gate which
enable the clocks in the Clock Divider (CCM_CSCDR2) register too.

Signed-off-by: Stefan Agner <stefan@xxxxxxxx>
---
arch/arm/mach-imx/clk-vf610.c | 6 ++++--
include/dt-bindings/clock/vf610-clock.h | 4 +++-
2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-imx/clk-vf610.c b/arch/arm/mach-imx/clk-vf610.c
index 22dc3ee..f964079 100644
--- a/arch/arm/mach-imx/clk-vf610.c
+++ b/arch/arm/mach-imx/clk-vf610.c
@@ -295,8 +295,10 @@ static void __init vf610_clocks_init(struct device_node *ccm_node)

clk[VF610_CLK_ASRC] = imx_clk_gate2("asrc", "ipg_bus", CCM_CCGR4, CCM_CCGRx_CGn(1));

- clk[VF610_CLK_FLEXCAN0] = imx_clk_gate2("flexcan0", "ipg_bus", CCM_CCGR0, CCM_CCGRx_CGn(0));
- clk[VF610_CLK_FLEXCAN1] = imx_clk_gate2("flexcan1", "ipg_bus", CCM_CCGR9, CCM_CCGRx_CGn(4));
+ clk[VF610_CLK_FLEXCAN0_EN] = imx_clk_gate("flexcan0_en", "ipg_bus", CCM_CSCDR2, 11);
+ clk[VF610_CLK_FLEXCAN0] = imx_clk_gate2("flexcan0", "flexcan0_en", CCM_CCGR0, CCM_CCGRx_CGn(0));
+ clk[VF610_CLK_FLEXCAN1_EN] = imx_clk_gate("flexcan1_en", "ipg_bus", CCM_CSCDR2, 12);
+ clk[VF610_CLK_FLEXCAN1] = imx_clk_gate2("flexcan1", "flexcan1_en", CCM_CCGR9, CCM_CCGRx_CGn(4));

clk[VF610_CLK_DMAMUX0] = imx_clk_gate2("dmamux0", "platform_bus", CCM_CCGR0, CCM_CCGRx_CGn(4));
clk[VF610_CLK_DMAMUX1] = imx_clk_gate2("dmamux1", "platform_bus", CCM_CCGR0, CCM_CCGRx_CGn(5));
diff --git a/include/dt-bindings/clock/vf610-clock.h b/include/dt-bindings/clock/vf610-clock.h
index a916029..00953d9 100644
--- a/include/dt-bindings/clock/vf610-clock.h
+++ b/include/dt-bindings/clock/vf610-clock.h
@@ -164,6 +164,8 @@
#define VF610_CLK_DMAMUX1 151
#define VF610_CLK_DMAMUX2 152
#define VF610_CLK_DMAMUX3 153
-#define VF610_CLK_END 154
+#define VF610_CLK_FLEXCAN0_EN 154
+#define VF610_CLK_FLEXCAN1_EN 155
+#define VF610_CLK_END 156

#endif /* __DT_BINDINGS_CLOCK_VF610_H */
--
2.0.1

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