Re: [PATCH] OMAP3 clock: DPLL{1,2}_FCLK clksel can divide by 4

[Tony Lindgren <tony@atomide.com>]

* Paul Walmsley <paul@pwsan.com> [080624 10:12]:
> 
> OMAP34xx ES2 TRM Delta G to H states that the divider for DPLL1_FCLK and 
> DPLL2_FCLK can divide by 4 in addition to dividing by 1 and 2. Encode this 
> into the OMAP3 clock framework.

Pushing today.

Tony

> 
> Signed-off-by: Paul Walmsley <paul@pwsan.com>
> ---
> 
>  arch/arm/mach-omap2/clock34xx.h |   20 ++++++++++++++++----
>  1 files changed, 16 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h
> index b4dceea..9605744 100644
> --- a/arch/arm/mach-omap2/clock34xx.h
> +++ b/arch/arm/mach-omap2/clock34xx.h
> @@ -1029,8 +1029,15 @@ static struct clk corex2_fck = {
>  
>  /* DPLL power domain clock controls */
>  
> -static const struct clksel div2_core_clksel[] = {
> -	{ .parent = &core_ck, .rates = div2_rates },
> +static const struct clksel_rate div4_rates[] = {
> +	{ .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE },
> +	{ .div = 2, .val = 2, .flags = RATE_IN_343X },
> +	{ .div = 4, .val = 4, .flags = RATE_IN_343X },
> +	{ .div = 0 }
> +};
> +
> +static const struct clksel div4_core_clksel[] = {
> +	{ .parent = &core_ck, .rates = div4_rates },
>  	{ .parent = NULL }
>  };
>  
> @@ -1044,7 +1051,7 @@ static struct clk dpll1_fck = {
>  	.init		= &omap2_init_clksel_parent,
>  	.clksel_reg	= _OMAP34XX_CM_REGADDR(MPU_MOD, OMAP3430_CM_CLKSEL1_PLL),
>  	.clksel_mask	= OMAP3430_MPU_CLK_SRC_MASK,
> -	.clksel		= div2_core_clksel,
> +	.clksel		= div4_core_clksel,
>  	.flags		= CLOCK_IN_OMAP343X | RATE_PROPAGATES |
>  				PARENT_CONTROLS_CLOCK,
>  	.recalc		= &omap2_clksel_recalc,
> @@ -1119,7 +1126,7 @@ static struct clk dpll2_fck = {
>  	.init		= &omap2_init_clksel_parent,
>  	.clksel_reg	= _OMAP34XX_CM_REGADDR(OMAP3430_IVA2_MOD, OMAP3430_CM_CLKSEL1_PLL),
>  	.clksel_mask	= OMAP3430_IVA2_CLK_SRC_MASK,
> -	.clksel		= div2_core_clksel,
> +	.clksel		= div4_core_clksel,
>  	.flags		= CLOCK_IN_OMAP343X | RATE_PROPAGATES |
>  				PARENT_CONTROLS_CLOCK,
>  	.recalc		= &omap2_clksel_recalc,
> @@ -1155,6 +1162,11 @@ static struct clk iva2_ck = {
>  
>  /* Common interface clocks */
>  
> +static const struct clksel div2_core_clksel[] = {
> +	{ .parent = &core_ck, .rates = div2_rates },
> +	{ .parent = NULL }
> +};
> +
>  static struct clk l3_ick = {
>  	.name		= "l3_ick",
>  	.parent		= &core_ck,
> --
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