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

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Message-ID: <20150906081526.GL30746@tiger>
Date:	Sun, 6 Sep 2015 16:15:26 +0800
From:	Shawn Guo <shawnguo@...nel.org>
To:	Sanchayan Maity <maitysanchayan@...il.com>
Cc:	gregkh@...uxfoundation.org, srinivas.kandagatla@...aro.org,
	maxime.ripard@...e-electrons.com,
	linux-arm-kernel@...ts.infradead.org, stefan@...er.ch,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v9 1/4] clk: clk-vf610: Add clock for Vybrid OCOTP
 controller

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@...il.com>
> ---
>  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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