linux-kernel - Re: [PATCH v3 1/1] i2c: qcom-geni: Support systems with 32MHz serial engine clock

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Message-ID: <gntoyxafts5vwaqn4oqhsqr5gze3x6aj2dccm7thssetubmj62@hrmkxvxfe537>
Date: Wed, 2 Oct 2024 11:01:36 +0200
From: Andi Shyti <andi.shyti@...nel.org>
To: Manikanta Mylavarapu <quic_mmanikan@...cinc.com>
Cc: linux-arm-msm@...r.kernel.org, linux-i2c@...r.kernel.org, 
	linux-kernel@...r.kernel.org, quic_srichara@...cinc.com, quic_varada@...cinc.com
Subject: Re: [PATCH v3 1/1] i2c: qcom-geni: Support systems with 32MHz serial
 engine clock

Hi Manikanta,

On Mon, Sep 30, 2024 at 08:17:09PM GMT, Manikanta Mylavarapu wrote:
> In existing socs, I2C serial engine is sourced from XO (19.2MHz).
> Where as in IPQ5424, I2C serial engine is sourced from GPLL0 (32MHz).
> 
> The existing map table is based on 19.2MHz. This patch incorporates
> the clock map table to derive the SCL clock from the 32MHz source
> clock frequency.
> 
> Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@...cinc.com>

merged to i2c/i2c-host.

...

> -static const struct geni_i2c_clk_fld geni_i2c_clk_map[] = {
> +static const struct geni_i2c_clk_fld geni_i2c_clk_map_19p2mhz[] = {
>  	{KHZ(100), 7, 10, 11, 26},
>  	{KHZ(400), 2,  5, 12, 24},
>  	{KHZ(1000), 1, 3,  9, 18},
> +	{},
> +};
> +
> +/* source_clock = 32 MHz */
> +static const struct geni_i2c_clk_fld geni_i2c_clk_map_32mhz[] = {
> +	{KHZ(100), 8, 14, 18, 40},
> +	{KHZ(400), 4,  3, 11, 20},
> +	{KHZ(1000), 2, 3,  6, 15},
> +	{},

I took the freedom to remove the ',' as Bjorn suggested.

Thanks,
Andi