linux-kernel - Re: [PATCH v5 2/2] i2c: rk3x: add i2c support for rk3399 soc

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Date:	Thu, 14 Apr 2016 20:48:48 +0200
From:	Wolfram Sang <wsa@...-dreams.de>
To:	David Wu <david.wu@...k-chips.com>
Cc:	heiko@...ech.de, dianders@...omium.org, andy.shevchenko@...il.com,
	huangtao@...k-chips.com, hl@...k-chips.com, xjq@...k-chips.com,
	zyw@...k-chips.com, cf@...k-chips.com,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org, linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org, David Wu <wdc@...k-chips.com>
Subject: Re: [PATCH v5 2/2] i2c: rk3x: add i2c support for rk3399 soc


> + - input-clk-rate : frequency rate of function clock used(in Hz). If omitted,
> +	the default clock rate is used. It is just used at rk3399 soc.

Why is this needed? Why don't we simply use the default or calculate the
best value somehow?

> + * @t_calc: Caculated rk3x private timings  that would
> + * be written into regs

double space


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