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[v2,10/20] clk: sunxi: Add support for table-based divider clocks

Message ID 1403016777-15121-11-git-send-email-wens@csie.org (mailing list archive)
State New, archived
Headers show

Commit Message

Chen-Yu Tsai June 17, 2014, 2:52 p.m. UTC 
A few of the clock modules have odd dividers, such as
the 2 lowest dividers being the same (2), or have the
same divider when the highest bit is set.

This patch adds support for optional divider tables,
so the clock framework will know about the odd values.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
---
 drivers/clk/sunxi/clk-sunxi.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

Comments

Maxime Ripard June 18, 2014, 10:06 a.m. UTC | #1 
On Tue, Jun 17, 2014 at 10:52:47PM +0800, Chen-Yu Tsai wrote:
> A few of the clock modules have odd dividers, such as
> the 2 lowest dividers being the same (2), or have the
> same divider when the highest bit is set.
> 
> This patch adds support for optional divider tables,
> so the clock framework will know about the odd values.
> 
> Signed-off-by: Chen-Yu Tsai <wens@csie.org>

Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>

Maxime
diff mbox

Patch

diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
index a086b5b..7e2f015 100644
--- a/drivers/clk/sunxi/clk-sunxi.c
+++ b/drivers/clk/sunxi/clk-sunxi.c
@@ -703,6 +703,7 @@  struct div_data {
 	u8	shift;
 	u8	pow;
 	u8	width;
+	const struct clk_div_table *table;
 };
 
 static const struct div_data sun4i_axi_data __initconst = {
@@ -743,10 +744,10 @@  static void __init sunxi_divider_clk_setup(struct device_node *node,
 
 	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,
-				   &clk_lock);
+	clk = clk_register_divider_table(NULL, clk_name, clk_parent, 0,
+					 reg, data->shift, data->width,
+					 data->pow ? CLK_DIVIDER_POWER_OF_TWO : 0,
+					 data->table, &clk_lock);
 	if (clk) {
 		of_clk_add_provider(node, of_clk_src_simple_get, clk);
 		clk_register_clkdev(clk, clk_name, NULL);