On 2014-11-11 15:49, Shawn Guo wrote:
> On Fri, Nov 07, 2014 at 06:34:26PM +0530, Sanchayan Maity wrote:
>> This patch adds support for clock gating of
>> the SNVS peripheral.
>>
>> Signed-off-by: Sanchayan Maity <[email protected]>
>> ---
>>  arch/arm/mach-imx/clk-vf610.c           |    1 +
>>  include/dt-bindings/clock/vf610-clock.h |    3 ++-
>>  2 files changed, 3 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm/mach-imx/clk-vf610.c b/arch/arm/mach-imx/clk-vf610.c
>> index 5937dde..bbf4785 100644
>> --- a/arch/arm/mach-imx/clk-vf610.c
>> +++ b/arch/arm/mach-imx/clk-vf610.c
>> @@ -379,6 +379,7 @@ static void __init vf610_clocks_init(struct device_node 
>> *ccm_node)
>>      clk[VF610_CLK_DMAMUX1] = imx_clk_gate2("dmamux1", "platform_bus", 
>> CCM_CCGR0, CCM_CCGRx_CGn(5));
>>      clk[VF610_CLK_DMAMUX2] = imx_clk_gate2("dmamux2", "platform_bus", 
>> CCM_CCGR6, CCM_CCGRx_CGn(1));
>>      clk[VF610_CLK_DMAMUX3] = imx_clk_gate2("dmamux3", "platform_bus", 
>> CCM_CCGR6, CCM_CCGRx_CGn(2));
>> +    clk[VF610_CLK_SNVS] = imx_clk_gate2("snvs-rtc", "ipg_bus", CCM_CCGR6, 
>> CCM_CCGRx_CGn(7));
> 
> Stefan,
> 
> Would you confirm this register bits is the gating for SNVS clock?  I
> cannot find it in my Vybrid Reference Manual.

The RTC is part of the secure stuff. The clock gate bits are correct.

 
>>
>>      imx_check_clocks(clk, ARRAY_SIZE(clk));
>>
>> diff --git a/include/dt-bindings/clock/vf610-clock.h 
>> b/include/dt-bindings/clock/vf610-clock.h
>> index 801c0ac..979d24a 100644
>> --- a/include/dt-bindings/clock/vf610-clock.h
>> +++ b/include/dt-bindings/clock/vf610-clock.h
>> @@ -192,6 +192,7 @@
>>  #define VF610_PLL5_BYPASS           179
>>  #define VF610_PLL6_BYPASS           180
>>  #define VF610_PLL7_BYPASS           181
>> -#define VF610_CLK_END                       182
>> +#define VF610_CLK_SNVS                      182
>> +#define VF610_CLK_END                       183
>>
>>  #endif /* __DT_BINDINGS_CLOCK_VF610_H */
>> --
>> 1.7.9.5
>>

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