clksel register pointer should be used for the DPLL-MX autoidle handling.
Currently this is not setup at all. Fix by adding proper handling for the
register.
Signed-off-by: Tero Kristo <t-kristo@xxxxxx>
Acked-by: Tony Lindgren <tony@xxxxxxxxxxx>
---
drivers/clk/ti/dpll.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/drivers/clk/ti/dpll.c b/drivers/clk/ti/dpll.c
index c149bd1..778bc90 100644
--- a/drivers/clk/ti/dpll.c
+++ b/drivers/clk/ti/dpll.c
@@ -319,6 +319,7 @@ static void _register_dpll_x2(struct device_node *node,
struct clk_hw_omap *clk_hw;
const char *name = node->name;
const char *parent_name;
+ int ret;
parent_name = of_clk_get_parent_name(node, 0);
if (!parent_name) {
@@ -338,6 +339,20 @@ static void _register_dpll_x2(struct device_node *node,
init.parent_names = &parent_name;
init.num_parents = 1;
+ if (hw_ops == &clkhwops_omap4_dpllmx) {
+ /* Check if register defined, if not, drop hw-ops */
+ ret = of_property_count_elems_of_size(node, "reg", 1);
+ if (ret <= 0) {
+ hw_ops = NULL;
+ } else {
+ clk_hw->clksel_reg = ti_clk_get_reg_addr(node, 0);
+ if (IS_ERR(clk_hw->clksel_reg)) {
+ kfree(clk_hw);
+ return;
+ }
+ }
+ }
+
/* register the clock */
clk = ti_clk_register(NULL, &clk_hw->hw, name);
--
1.9.1
--
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