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clk: sunxi: Allow to specify the divider width from the dividers data 

The divider width used to be hardcoded. Some A31 dividers are no longer
with the hardcoded width, so we need to make it specific to each divider
and set it in the dividers data.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Emilio López <emilio@elopez.com.ar>
This commit is contained in:
Maxime Ripard 2013-07-23 09:25:56 +02:00
parent 81ba6c5e7b
commit 70855bb5c6
1 changed files with 13 additions and 11 deletions
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24
drivers/clk/sunxi/clk-sunxi.c
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@ -279,26 +279,28 @@ static void __init sunxi_mux_clk_setup(struct device_node *node,
* sunxi_divider_clk_setup() - Setup function for simple divider clocks
*/
#define SUNXI_DIVISOR_WIDTH 2
struct div_data {
u8 shift;
u8 pow;
u8 shift;
u8 pow;
u8 width;
};
static const __initconst struct div_data sun4i_axi_data = {
.shift = 0,
.pow = 0,
.shift = 0,
.pow = 0,
.width = 2,
};
static const __initconst struct div_data sun4i_ahb_data = {
.shift = 4,
.pow = 1,
.shift = 4,
.pow = 1,
.width = 2,
};
static const __initconst struct div_data sun4i_apb0_data = {
.shift = 8,
.pow = 1,
.shift = 8,
.pow = 1,
.width = 2,
};
static void __init sunxi_divider_clk_setup(struct device_node *node,
@ -314,7 +316,7 @@ static void __init sunxi_divider_clk_setup(struct device_node *node,
clk_parent = of_clk_get_parent_name(node, 0);
clk = clk_register_divider(NULL, clk_name, clk_parent, 0,
reg, data->shift, SUNXI_DIVISOR_WIDTH,
reg, data->shift, data->width,
data->pow ? CLK_DIVIDER_POWER_OF_TWO : 0,
&clk_lock);
if (clk) {