linux-kernel - Re: [PATCH v3 7/7] clk: at91: add sam9x60 pmc driver

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Message-ID: <155622113579.15276.15900194435736283135@swboyd.mtv.corp.google.com>
Date:   Thu, 25 Apr 2019 12:38:55 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc:     Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>,
        Michael Turquette <mturquette@...libre.com>,
        linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: Re: [PATCH v3 7/7] clk: at91: add sam9x60 pmc driver

Quoting Alexandre Belloni (2019-04-02 05:50:56)
> diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c
> new file mode 100644
> index 000000000000..22bf51c55bdc
> --- /dev/null
> +++ b/drivers/clk/at91/sam9x60.c
> @@ -0,0 +1,307 @@
> +// SPDX-License-Identifier: GPL-2.0
> +#include <linux/clk-provider.h>
> +#include <linux/mfd/syscon.h>
> +#include <linux/slab.h>
> +
> +#include <dt-bindings/clock/at91.h>
> +
> +#include "pmc.h"
> +
> +DEFINE_SPINLOCK(pmc_pll_lock);
> +
> +static const struct clk_master_characteristics mck_characteristics = {
> +       .output = { .min = 140000000, .max = 200000000 },
> +       .divisors = { 1, 2, 4, 3 },
> +       .have_div3_pres = 1,
> +};
> +
> +static const struct clk_master_layout sam9x60_master_layout = {
> +       .mask = 0x373,
> +       .pres_shift = 4,
> +       .offset = 0x28,
> +};
> +
> +static struct clk_range plla_outputs[] = {

const?

> +       { .min = 300000000, .max = 600000000 },
> +};
[...]
> +
> +}
> +
> +CLK_OF_DECLARE_DRIVER(sam9x60_pmc, "microchip,sam9x60-pmc", sam9x60_pmc_setup);
> -- 

Can't be platform device?