[PATCH v2 1/8] clk: sunxi: add clock-output-names dt property support
Maxime Ripard
maxime.ripard at free-electrons.com
Tue Jan 7 17:14:30 EST 2014
Hi Chen-Yu,
On Mon, Jan 06, 2014 at 01:58:05PM +0800, Chen-Yu Tsai wrote:
> sunxi clock drivers use dt node name as clock name, but clock
> nodes should be named clk at X, so the names would be the same.
> Let the drivers read clock names from dt clock-output-names
> property.
>
> Signed-off-by: Chen-Yu Tsai <wens at csie.org>
> ---
> drivers/clk/sunxi/clk-sunxi.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
> index 19d9e9e..14a3774 100644
> --- a/drivers/clk/sunxi/clk-sunxi.c
> +++ b/drivers/clk/sunxi/clk-sunxi.c
> @@ -53,6 +53,8 @@ static void __init sun4i_osc_clk_setup(struct device_node *node)
> if (of_property_read_u32(node, "clock-frequency", &rate))
> return;
>
> + of_property_read_string(node, "clock-output-names", &clk_name);
> +
> /* set up gate and fixed rate properties */
> gate->reg = of_iomap(node, 0);
> gate->bit_idx = SUNXI_OSC24M_GATE;
> @@ -595,6 +597,8 @@ static void __init sunxi_mux_clk_setup(struct device_node *node,
> (parents[i] = of_clk_get_parent_name(node, i)) != NULL)
> i++;
>
> + of_property_read_string(node, "clock-output-names", &clk_name);
> +
> clk = clk_register_mux(NULL, clk_name, parents, i,
> CLK_SET_RATE_NO_REPARENT, reg,
> data->shift, SUNXI_MUX_GATE_WIDTH,
> @@ -654,6 +658,8 @@ static void __init sunxi_divider_clk_setup(struct device_node *node,
>
> clk_parent = of_clk_get_parent_name(node, 0);
>
> + of_property_read_string(node, "clock-output-names", &clk_name);
> +
> clk = clk_register_divider(NULL, clk_name, clk_parent, 0,
> reg, data->shift, data->width,
> data->pow ? CLK_DIVIDER_POWER_OF_TWO : 0,
> --
> 1.8.5.2
>
Please document this in Documentation/devicetree/bindings.
Thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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