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From: maxime.ripard@free-electrons.com (Maxime Ripard)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 2/7] clk: sunxi: Implement A31 PLL6 as a divs clock for 2x output
Date: Tue, 30 Sep 2014 17:39:57 +0200	[thread overview]
Message-ID: <20140930153957.GM4081@lukather> (raw)
In-Reply-To: <1411807795-6575-3-git-send-email-wens@csie.org>

Hi,

On Sat, Sep 27, 2014 at 04:49:50PM +0800, Chen-Yu Tsai wrote:
> Some clock modules on the A31 use PLL6x2 as one of their inputs.
> This patch changes the PLL6 implementation for A31 to a divs clock,
> i.e. clock with multiple outputs that have different dividers.
> The first output will be the normal PLL6 output, and the second
> will be PLL6x2.
> 
> This patch fixes the PLL6 N factor in the clock driver, and removes
> any /2 dividers in the PLL6 factors clock part. The N factor counts
> from 1 to 32, mapping to values 0 to 31, as shown in the A31 manual.
> 
> Signed-off-by: Chen-Yu Tsai <wens@csie.org>
> ---
>  Documentation/devicetree/bindings/clock/sunxi.txt |  5 ++--
>  drivers/clk/sunxi/clk-sunxi.c                     | 28 +++++++++++++----------
>  2 files changed, 19 insertions(+), 14 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/clock/sunxi.txt b/Documentation/devicetree/bindings/clock/sunxi.txt
> index d3a5c3c..0d84f4b 100644
> --- a/Documentation/devicetree/bindings/clock/sunxi.txt
> +++ b/Documentation/devicetree/bindings/clock/sunxi.txt
> @@ -59,8 +59,9 @@ Required properties for all clocks:
>  	multiplexed clocks, the list order must match the hardware
>  	programming order.
>  - #clock-cells : from common clock binding; shall be set to 0 except for
> -	"allwinner,*-gates-clk", "allwinner,sun4i-pll5-clk" and
> -	"allwinner,sun4i-pll6-clk" where it shall be set to 1
> +	the following compatibles where it shall be set to 1:
> +	"allwinner,*-gates-clk", "allwinner,sun4i-pll5-clk",
> +	"allwinner,sun4i-pll6-clk", "allwinner, sun6i-a31-pll6-clk"
                                               ^ Drop this extra space

And you're still not documenting what outputs you might have on pll6,
and what the extra argument correspond to.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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  reply	other threads:[~2014-09-30 15:39 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-27  8:49 [PATCH v2 0/6] clk: sun6i: Unify AHB1 clock and fix rate calculation Chen-Yu Tsai
2014-09-27  8:49 ` [PATCH v2 1/7] clk: sunxi: Specify number of child clocks for divs clocks Chen-Yu Tsai
2014-09-30 15:40   ` Maxime Ripard
2014-09-30 15:56     ` Chen-Yu Tsai
2014-10-03 14:05       ` Maxime Ripard
2014-09-27  8:49 ` [PATCH v2 2/7] clk: sunxi: Implement A31 PLL6 as a divs clock for 2x output Chen-Yu Tsai
2014-09-30 15:39   ` Maxime Ripard [this message]
2014-09-30 15:50     ` Chen-Yu Tsai
2014-09-27  8:49 ` [PATCH v2 3/7] ARM: sun6i: DT: Add PLL6 multiple outputs Chen-Yu Tsai
2014-09-27  8:49 ` [PATCH v2 4/7] clk: sunxi: unify sun6i AHB1 clock with proper PLL6 pre-divider Chen-Yu Tsai
2014-09-30 15:54   ` Maxime Ripard
2014-10-06 12:58     ` Chen-Yu Tsai
2014-10-06 13:44       ` Chen-Yu Tsai
2014-09-27  8:49 ` [PATCH v2 5/7] ARM: dts: sun6i: Unify ahb1 clock nodes Chen-Yu Tsai
2014-09-27  8:49 ` [PATCH v2 6/7] ARM: dts: sun8i: " Chen-Yu Tsai
2014-09-27  8:49 ` [PATCH v2 7/7] ARM: dts: sun6i: Add required ahb1 clock parent and rates for dma controller Chen-Yu Tsai
2014-09-30 15:55   ` Maxime Ripard
2014-10-09  3:01     ` Chen-Yu Tsai
2014-10-13 10:02       ` Maxime Ripard

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