clk: sunxi: Add mod0 and mmc module clock support for A80

The module 0 style clocks, or storage module clocks as named in the
official SDK, are almost the same as the module 0 clocks on earlier
Allwinner SoCs. The only difference is wider mux register bits.

As with earlier Allwinner SoCs, mmc module clocks are a special case
of mod0 clocks, with phase controls for 2 child clocks, output and
sample.

This patch adds support for both.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
这个提交包含在:
Chen-Yu Tsai
2015-01-17 13:19:26 +08:00
提交者 Maxime Ripard
父节点 eb378df79e
当前提交 61af4d8dce
修改 2 个文件,包含 37 行新增2 行删除

查看文件

@@ -130,6 +130,30 @@ static struct platform_driver sun4i_a10_mod0_clk_driver = {
};
module_platform_driver(sun4i_a10_mod0_clk_driver);
static const struct factors_data sun9i_a80_mod0_data __initconst = {
.enable = 31,
.mux = 24,
.muxmask = BIT(3) | BIT(2) | BIT(1) | BIT(0),
.table = &sun4i_a10_mod0_config,
.getter = sun4i_a10_get_mod0_factors,
};
static void __init sun9i_a80_mod0_setup(struct device_node *node)
{
void __iomem *reg;
reg = of_io_request_and_map(node, 0, of_node_full_name(node));
if (IS_ERR(reg)) {
pr_err("Could not get registers for mod0-clk: %s\n",
node->name);
return;
}
sunxi_factors_register(node, &sun9i_a80_mod0_data,
&sun4i_a10_mod0_lock, reg);
}
CLK_OF_DECLARE(sun9i_a80_mod0, "allwinner,sun9i-a80-mod0-clk", sun9i_a80_mod0_setup);
static DEFINE_SPINLOCK(sun5i_a13_mbus_lock);
static void __init sun5i_a13_mbus_setup(struct device_node *node)
@@ -358,3 +382,11 @@ static void __init sun4i_a10_mmc_setup(struct device_node *node)
sunxi_mmc_setup(node, &sun4i_a10_mod0_data, &sun4i_a10_mmc_lock);
}
CLK_OF_DECLARE(sun4i_a10_mmc, "allwinner,sun4i-a10-mmc-clk", sun4i_a10_mmc_setup);
static DEFINE_SPINLOCK(sun9i_a80_mmc_lock);
static void __init sun9i_a80_mmc_setup(struct device_node *node)
{
sunxi_mmc_setup(node, &sun9i_a80_mod0_data, &sun9i_a80_mmc_lock);
}
CLK_OF_DECLARE(sun9i_a80_mmc, "allwinner,sun9i-a80-mmc-clk", sun9i_a80_mmc_setup);