[PATCH RFC 2/3] clk: dt: binding for basic multiplexor clock
Heiko Stübner
heiko at sntech.de
Tue Jun 4 05:33:19 EST 2013
Hi Mike,
I think it's a multiplexEr clock in the patch title, and see below
Am Montag, 3. Juni 2013, 19:53:09 schrieb Mike Turquette:
> Device Tree binding for the basic clock multiplexor, plus the setup
> function to register the clock. Based on the existing fixed-clock
> binding.
>
> Also relocate declaration of of_fixed_factor_clk_setup to keep things
> tidy.
>
> Signed-off-by: Mike Turquette <mturquette at linaro.org>
[...]
> +
> + reg = of_iomap(node, 0);
> + pr_err("%s: reg is 0x%p\n", __func__, reg);
> +
> + if (of_property_read_u32(node, "mask", &mask)) {
> + pr_err("%s: missing mask property for %s\n", __func__, node->name);
> + return;
> + }
> +
> + if (of_property_read_u32(node, "shift", &shift))
> + pr_debug("%s: missing shift property defaults to zero for %s\n",
> + __func__, node->name);
> +
> + if (of_property_read_bool(node, "index_one"))
> + clk_mux_flags |= CLK_MUX_INDEX_ONE;
> +
> + clk = clk_register_mux_table(NULL, clk_name, parent_names, num_parents,
> + 0, reg, 0, mask, clk_mux_flags,
^- should probably be shift
Otherwise looks cool and I'm currently trying it with my Rockchip code.
Heiko
More information about the devicetree-discuss
mailing list