@@ -121,7 +121,9 @@ struct clk_hw *zynqmp_clk_register_gate(const char *name, u32 clk_id,
init.name = name;
init.ops = &zynqmp_clk_gate_ops;
- init.flags = nodes->flag;
+
+ init.flags = zynqmp_clk_map_common_ccf_flags(nodes->flag);
+
init.parent_names = parents;
init.num_parents = 1;
@@ -120,7 +120,9 @@ struct clk_hw *zynqmp_clk_register_mux(const char *name, u32 clk_id,
init.ops = &zynqmp_clk_mux_ro_ops;
else
init.ops = &zynqmp_clk_mux_ops;
- init.flags = nodes->flag;
+
+ init.flags = zynqmp_clk_map_common_ccf_flags(nodes->flag);
+
init.parent_names = parents;
init.num_parents = num_parents;
mux->flags = nodes->type_flag;
@@ -10,6 +10,28 @@
#include <linux/firmware/xlnx-zynqmp.h>
+/* Common Flags */
+/* must be gated across rate change */
+#define ZYNQMP_CLK_SET_RATE_GATE BIT(0)
+/* must be gated across re-parent */
+#define ZYNQMP_CLK_SET_PARENT_GATE BIT(1)
+/* propagate rate change up one level */
+#define ZYNQMP_CLK_SET_RATE_PARENT BIT(2)
+/* do not gate even if unused */
+#define ZYNQMP_CLK_IGNORE_UNUSED BIT(3)
+/* do not use the cached clk rate */
+#define ZYNQMP_CLK_GET_RATE_NOCACHE BIT(6)
+/* don't re-parent on rate change */
+#define ZYNQMP_CLK_SET_RATE_NO_REPARENT BIT(7)
+/* do not use the cached clk accuracy */
+#define ZYNQMP_CLK_GET_ACCURACY_NOCACHE BIT(8)
+/* recalc rates after notifications */
+#define ZYNQMP_CLK_RECALC_NEW_RATES BIT(9)
+/* clock needs to run to set rate */
+#define ZYNQMP_CLK_SET_RATE_UNGATE BIT(10)
+/* do not gate, ever */
+#define ZYNQMP_CLK_IS_CRITICAL BIT(11)
+
enum topology_type {
TYPE_INVALID,
TYPE_MUX,
@@ -33,6 +55,8 @@ struct clock_topology {
u8 custom_type_flag;
};
+unsigned long zynqmp_clk_map_common_ccf_flags(const u32 zynqmp_flag);
+
struct clk_hw *zynqmp_clk_register_pll(const char *name, u32 clk_id,
const char * const *parents,
u8 num_parents,
@@ -271,6 +271,33 @@ static int zynqmp_pm_clock_get_topology(u32 clock_id, u32 index,
return ret;
}
+unsigned long zynqmp_clk_map_common_ccf_flags(const u32 zynqmp_flag)
+{
+ unsigned long ccf_flag = 0;
+
+ ccf_flag |= (zynqmp_flag & ZYNQMP_CLK_SET_RATE_GATE) ?
+ CLK_SET_RATE_GATE : 0;
+ ccf_flag |= (zynqmp_flag & ZYNQMP_CLK_SET_PARENT_GATE) ?
+ CLK_SET_PARENT_GATE : 0;
+ ccf_flag |= (zynqmp_flag & ZYNQMP_CLK_SET_RATE_PARENT) ?
+ CLK_SET_RATE_PARENT : 0;
+ ccf_flag |= (zynqmp_flag & ZYNQMP_CLK_IGNORE_UNUSED) ?
+ CLK_IGNORE_UNUSED : 0;
+ ccf_flag |= (zynqmp_flag & ZYNQMP_CLK_GET_RATE_NOCACHE) ?
+ CLK_GET_RATE_NOCACHE : 0;
+ ccf_flag |= (zynqmp_flag & ZYNQMP_CLK_SET_RATE_NO_REPARENT) ?
+ CLK_SET_RATE_NO_REPARENT : 0;
+ ccf_flag |= (zynqmp_flag & ZYNQMP_CLK_GET_ACCURACY_NOCACHE) ?
+ CLK_GET_ACCURACY_NOCACHE : 0;
+ ccf_flag |= (zynqmp_flag & ZYNQMP_CLK_RECALC_NEW_RATES) ?
+ CLK_RECALC_NEW_RATES : 0;
+ ccf_flag |= (zynqmp_flag & ZYNQMP_CLK_SET_RATE_UNGATE) ?
+ CLK_SET_RATE_UNGATE : 0;
+ ccf_flag |= (zynqmp_flag & ZYNQMP_CLK_IS_CRITICAL) ?
+ CLK_IS_CRITICAL : 0;
+ return ccf_flag;
+}
+
/**
* zynqmp_clk_register_fixed_factor() - Register fixed factor with the
* clock framework
@@ -292,6 +319,7 @@ struct clk_hw *zynqmp_clk_register_fixed_factor(const char *name, u32 clk_id,
struct zynqmp_pm_query_data qdata = {0};
u32 ret_payload[PAYLOAD_ARG_CNT];
int ret;
+ unsigned long flag;
qdata.qid = PM_QID_CLOCK_GET_FIXEDFACTOR_PARAMS;
qdata.arg1 = clk_id;
@@ -303,9 +331,11 @@ struct clk_hw *zynqmp_clk_register_fixed_factor(const char *name, u32 clk_id,
mult = ret_payload[1];
div = ret_payload[2];
+ flag = zynqmp_clk_map_common_ccf_flags(nodes->flag);
+
hw = clk_hw_register_fixed_factor(NULL, name,
parents[0],
- nodes->flag, mult,
+ flag, mult,
div);
return hw;
@@ -311,8 +311,9 @@ struct clk_hw *zynqmp_clk_register_divider(const char *name,
init.name = name;
init.ops = &zynqmp_clk_divider_ops;
- /* CLK_FRAC is not defined in the common clk framework */
- init.flags = nodes->flag & ~CLK_FRAC;
+
+ init.flags = zynqmp_clk_map_common_ccf_flags(nodes->flag);
+
init.parent_names = parents;
init.num_parents = 1;
@@ -302,7 +302,9 @@ struct clk_hw *zynqmp_clk_register_pll(const char *name, u32 clk_id,
init.name = name;
init.ops = &zynqmp_pll_ops;
- init.flags = nodes->flag;
+
+ init.flags = zynqmp_clk_map_common_ccf_flags(nodes->flag);
+
init.parent_names = parents;
init.num_parents = 1;