Adding set-rate-parent to clock node now allows a node to forward
clk_set_rate request to its parent clock.
Signed-off-by: Tero Kristo <t-kri...@ti.com>
---
drivers/clk/clk-divider.c | 6 +++++-
drivers/clk/clk-fixed-factor.c | 6 +++++-
drivers/clk/clk-gate.c | 8 ++++++--
drivers/clk/clk-mux.c | 6 +++++-
4 files changed, 21 insertions(+), 5 deletions(-)
diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c
index ff24ec2..01d967f 100644
--- a/drivers/clk/clk-divider.c
+++ b/drivers/clk/clk-divider.c
@@ -388,6 +388,7 @@ void of_divider_clk_setup(struct device_node *node)
u32 mask = 0;
u32 shift = 0;
struct clk_div_table *table;
+ u32 flags = 0;
of_property_read_string(node, "clock-output-names", &clk_name);
@@ -418,12 +419,15 @@ void of_divider_clk_setup(struct device_node *node)
if (of_property_read_bool(node, "hiword-mask"))
clk_divider_flags |= CLK_DIVIDER_HIWORD_MASK;
+ if (of_property_read_bool(node, "set-rate-parent"))
+ flags |= CLK_SET_RATE_PARENT;
+
table = of_clk_get_div_table(node);
if (IS_ERR(table))
return;
clk = _register_divider(NULL, clk_name,
- parent_name, 0,
+ parent_name, flags,
reg, (u8) shift, mask,
clk_divider_flags, table,
NULL);
diff --git a/drivers/clk/clk-fixed-factor.c b/drivers/clk/clk-fixed-factor.c
index 9ff7d51..30aa121 100644
--- a/drivers/clk/clk-fixed-factor.c
+++ b/drivers/clk/clk-fixed-factor.c
@@ -107,6 +107,7 @@ void __init of_fixed_factor_clk_setup(struct device_node
*node)
const char *clk_name = node->name;
const char *parent_name;
u32 div, mult;
+ u32 flags = 0;
if (of_property_read_u32(node, "clock-div", &div)) {
pr_err("%s Fixed factor clock <%s> must have a clock-div
property\n",
@@ -123,7 +124,10 @@ void __init of_fixed_factor_clk_setup(struct device_node
*node)
of_property_read_string(node, "clock-output-names", &clk_name);
parent_name = of_clk_get_parent_name(node, 0);
- clk = clk_register_fixed_factor(NULL, clk_name, parent_name, 0,
+ if (of_property_read_bool(node, "set-rate-parent"))
+ flags |= CLK_SET_RATE_PARENT;
+
+ clk = clk_register_fixed_factor(NULL, clk_name, parent_name, flags,
mult, div);
if (!IS_ERR(clk))
of_clk_add_provider(node, of_clk_src_simple_get, clk);
diff --git a/drivers/clk/clk-gate.c b/drivers/clk/clk-gate.c
index cd595ec..0be25b9 100644
--- a/drivers/clk/clk-gate.c
+++ b/drivers/clk/clk-gate.c
@@ -176,6 +176,7 @@ void of_gate_clk_setup(struct device_node *node)
const char *parent_name;
u8 clk_gate_flags = 0;
u32 bit_idx = 0;
+ u32 flags = 0;
of_property_read_string(node, "clock-output-names", &clk_name);
@@ -195,8 +196,11 @@ void of_gate_clk_setup(struct device_node *node)
if (of_property_read_bool(node, "hiword-mask"))
clk_gate_flags |= CLK_GATE_HIWORD_MASK;
- clk = clk_register_gate(NULL, clk_name, parent_name, 0, reg, (u8)
bit_idx,
- clk_gate_flags, NULL);
+ if (of_property_read_bool(node, "set-rate-parent"))
+ flags |= CLK_SET_RATE_PARENT;
+
+ clk = clk_register_gate(NULL, clk_name, parent_name, flags, reg,
+ (u8) bit_idx, clk_gate_flags, NULL);
if (!IS_ERR(clk))
of_clk_add_provider(node, of_clk_src_simple_get, clk);
diff --git a/drivers/clk/clk-mux.c b/drivers/clk/clk-mux.c
index 4751bce..890ddbf 100644
--- a/drivers/clk/clk-mux.c
+++ b/drivers/clk/clk-mux.c
@@ -184,6 +184,7 @@ void of_mux_clk_setup(struct device_node *node)
u8 clk_mux_flags = 0;
u32 mask = 0;
u32 shift = 0;
+ u32 flags = 0;
of_property_read_string(node, "clock-output-names", &clk_name);
@@ -219,8 +220,11 @@ void of_mux_clk_setup(struct device_node *node)
if (of_property_read_bool(node, "hiword-mask"))
clk_mux_flags |= CLK_MUX_HIWORD_MASK;
+ if (of_property_read_bool(node, "set-rate-parent"))
+ flags |= CLK_SET_RATE_PARENT;
+
clk = clk_register_mux_table(NULL, clk_name, parent_names, num_parents,
- 0, reg, (u8) shift, mask, clk_mux_flags,
+ flags, reg, (u8) shift, mask, clk_mux_flags,
NULL, NULL);
if (!IS_ERR(clk))
--
1.7.9.5
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