linux-kernel - Re: [PATCH] clk: at91: add PMC sama5d2 support

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Date:	Tue, 28 Jul 2015 10:51:44 +0200
From:	Boris Brezillon <boris.brezillon@...e-electrons.com>
To:	Nicolas Ferre <nicolas.ferre@...el.com>
Cc:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Ludovic Desroches <ludovic.desroches@...el.com>,
	Josh Wu <josh.wu@...el.com>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>,
	Mike Turquette <mturquette@...libre.com>
Subject: Re: [PATCH] clk: at91: add PMC sama5d2 support

On Thu, 18 Jun 2015 14:43:29 +0200
Nicolas Ferre <nicolas.ferre@...el.com> wrote:

> Add support for the new sama5d2 SoC and adapt capabilities.
> 
> Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>

Acked-by: Boris Brezillon <boris.brezillon@...e-electrons.com>

> ---
>  drivers/clk/at91/pmc.c           | 15 +++++++++++++++
>  include/dt-bindings/clock/at91.h |  1 +
>  include/linux/clk/at91_pmc.h     |  1 +
>  3 files changed, 17 insertions(+)
> 
> diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c
> index bed2ce6b3cb9..3ac059678486 100644
> --- a/drivers/clk/at91/pmc.c
> +++ b/drivers/clk/at91/pmc.c
> @@ -207,6 +207,14 @@ static const struct at91_pmc_caps at91sam9x5_caps = {
>  			  AT91_PMC_MOSCRCS | AT91_PMC_CFDEV,
>  };
>  
> +static const struct at91_pmc_caps sama5d2_caps = {
> +	.available_irqs = AT91_PMC_MOSCS | AT91_PMC_LOCKA | AT91_PMC_MCKRDY |
> +			  AT91_PMC_LOCKU | AT91_PMC_PCK0RDY |
> +			  AT91_PMC_PCK1RDY | AT91_PMC_PCK2RDY |
> +			  AT91_PMC_MOSCSELS | AT91_PMC_MOSCRCS |
> +			  AT91_PMC_CFDEV | AT91_PMC_GCKRDY,
> +};
> +
>  static const struct at91_pmc_caps sama5d3_caps = {
>  	.available_irqs = AT91_PMC_MOSCS | AT91_PMC_LOCKA | AT91_PMC_MCKRDY |
>  			  AT91_PMC_LOCKU | AT91_PMC_PCK0RDY |
> @@ -443,6 +451,13 @@ static void __init of_at91sam9x5_pmc_setup(struct device_node *np)
>  CLK_OF_DECLARE(at91sam9x5_clk_pmc, "atmel,at91sam9x5-pmc",
>  	       of_at91sam9x5_pmc_setup);
>  
> +static void __init of_sama5d2_pmc_setup(struct device_node *np)
> +{
> +	of_at91_pmc_setup(np, &sama5d2_caps);
> +}
> +CLK_OF_DECLARE(sama5d2_clk_pmc, "atmel,sama5d2-pmc",
> +	       of_sama5d2_pmc_setup);
> +
>  static void __init of_sama5d3_pmc_setup(struct device_node *np)
>  {
>  	of_at91_pmc_setup(np, &sama5d3_caps);
> diff --git a/include/dt-bindings/clock/at91.h b/include/dt-bindings/clock/at91.h
> index 0b4cb999a3f7..ab3ee241d10c 100644
> --- a/include/dt-bindings/clock/at91.h
> +++ b/include/dt-bindings/clock/at91.h
> @@ -18,5 +18,6 @@
>  #define AT91_PMC_MOSCSELS	16		/* Main Oscillator Selection */
>  #define AT91_PMC_MOSCRCS	17		/* Main On-Chip RC */
>  #define AT91_PMC_CFDEV		18		/* Clock Failure Detector Event */
> +#define AT91_PMC_GCKRDY		24		/* Generated Clocks */
>  
>  #endif
> diff --git a/include/linux/clk/at91_pmc.h b/include/linux/clk/at91_pmc.h
> index ae61860e6892..1e6932222e11 100644
> --- a/include/linux/clk/at91_pmc.h
> +++ b/include/linux/clk/at91_pmc.h
> @@ -164,6 +164,7 @@ extern void __iomem *at91_pmc_base;
>  #define		AT91_PMC_MOSCSELS	(1 << 16)		/* Main Oscillator Selection [some SAM9] */
>  #define		AT91_PMC_MOSCRCS	(1 << 17)		/* Main On-Chip RC [some SAM9] */
>  #define		AT91_PMC_CFDEV		(1 << 18)		/* Clock Failure Detector Event [some SAM9] */
> +#define		AT91_PMC_GCKRDY		(1 << 24)		/* Generated Clocks */
>  #define	AT91_PMC_IMR		0x6c			/* Interrupt Mask Register */
>  
>  #define AT91_PMC_PLLICPR	0x80			/* PLL Charge Pump Current Register */



-- 
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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