linux-kernel - Re: [PATCH v2] clk: sunxi-ng: enable so-said LDOs for A64 SoC's pll-mipi clock

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Message-ID: <20181018165808.f23gfkwlgskzdbfy@flea>
Date:   Thu, 18 Oct 2018 18:58:08 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Icenowy Zheng <icenowy@...c.io>
Cc:     Chen-Yu Tsai <wens@...e.org>, linux-arm-kernel@...ts.infradead.org,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com
Subject: Re: [PATCH v2] clk: sunxi-ng: enable so-said LDOs for A64 SoC's
 pll-mipi clock

On Thu, Oct 18, 2018 at 03:07:29PM +0800, Icenowy Zheng wrote:
> In the user manual of A64 SoC, the bit 22 and 23 of pll-mipi control
> register is called "LDO{1,2}_EN", and according to the BSP source code
> from Allwinner , the LDOs are enabled during the clock's enabling
> process.
> 
> The clock failed to generate output if the two LDOs are not enabled.
> 
> Add the two bits to the clock's gate bits, so that the LDOs are enabled
> when the PLL is enabled.
> 
> Fixes: c6a0637460c2 ("clk: sunxi-ng: Add A64 clocks")
> Signed-off-by: Icenowy Zheng <icenowy@...c.io>

Queued for 4.21, thanks!
Maxime

-- 
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com