Re: [[PATCHv2] 1/3] ARM: imx: clk-vf610: Add clock for SNVS
From: Stefan Agner
Date: Tue Nov 11 2014 - 16:05:36 EST
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 <maitysanchayan@xxxxxxxxx>
>> ---
>> 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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