Re: [PATCH v9 1/4] clk: clk-vf610: Add clock for Vybrid OCOTP controller

From: Shawn Guo
Date: Sun Sep 06 2015 - 04:15:55 EST


On Wed, Aug 12, 2015 at 06:49:18PM +0530, Sanchayan Maity wrote:
> Add clock support for Vybrid On-Chip One Time Programmable
> (OCOTP) controller.
>
> While the OCOTP block does not require explicit clock gating,
> for programming the OCOTP timing register the clock rate of
> ipg clock is required for timing calculations related to fuse
> and shadow register read sequence. We explicitly specify the
> ipg clock for OCOTP as a result.
>
> Signed-off-by: Sanchayan Maity <maitysanchayan@xxxxxxxxx>
> ---
> drivers/clk/imx/clk-vf610.c | 1 +
> include/dt-bindings/clock/vf610-clock.h | 3 ++-
> 2 files changed, 3 insertions(+), 1 deletion(-)

Please copy linux-clk list and clock maintainers on i.MX clock patches
as well. If you run ./scripts/get_maintainer.pl on the patch, you will
get them.

Shawn

>
> diff --git a/drivers/clk/imx/clk-vf610.c b/drivers/clk/imx/clk-vf610.c
> index bff45ea..d1b1c95 100644
> --- a/drivers/clk/imx/clk-vf610.c
> +++ b/drivers/clk/imx/clk-vf610.c
> @@ -387,6 +387,7 @@ static void __init vf610_clocks_init(struct device_node *ccm_node)
>
> clk[VF610_CLK_SNVS] = imx_clk_gate2("snvs-rtc", "ipg_bus", CCM_CCGR6, CCM_CCGRx_CGn(7));
> clk[VF610_CLK_DAP] = imx_clk_gate("dap", "platform_bus", CCM_CCSR, 24);
> + clk[VF610_CLK_OCOTP] = imx_clk_gate("ocotp", "ipg_bus", CCM_CCGR6, CCM_CCGRx_CGn(5));
>
> 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 d197634..56c16aa 100644
> --- a/include/dt-bindings/clock/vf610-clock.h
> +++ b/include/dt-bindings/clock/vf610-clock.h
> @@ -194,6 +194,7 @@
> #define VF610_PLL7_BYPASS 181
> #define VF610_CLK_SNVS 182
> #define VF610_CLK_DAP 183
> -#define VF610_CLK_END 184
> +#define VF610_CLK_OCOTP 184
> +#define VF610_CLK_END 185
>
> #endif /* __DT_BINDINGS_CLOCK_VF610_H */
> --
> 2.5.0
>
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