diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/clk/zynqmp/clk-gate-zynqmp.c | 4 | ||||
-rw-r--r-- | drivers/clk/zynqmp/clk-mux-zynqmp.c | 4 | ||||
-rw-r--r-- | drivers/clk/zynqmp/clk-zynqmp.h | 16 | ||||
-rw-r--r-- | drivers/clk/zynqmp/clkc.c | 25 | ||||
-rw-r--r-- | drivers/clk/zynqmp/divider.c | 5 | ||||
-rw-r--r-- | drivers/clk/zynqmp/pll.c | 4 |
6 files changed, 52 insertions, 6 deletions
diff --git a/drivers/clk/zynqmp/clk-gate-zynqmp.c b/drivers/clk/zynqmp/clk-gate-zynqmp.c index 10c9b889324f..695feaa82da5 100644 --- a/drivers/clk/zynqmp/clk-gate-zynqmp.c +++ b/drivers/clk/zynqmp/clk-gate-zynqmp.c @@ -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; diff --git a/drivers/clk/zynqmp/clk-mux-zynqmp.c b/drivers/clk/zynqmp/clk-mux-zynqmp.c index d576c900dee0..42ad324b1c64 100644 --- a/drivers/clk/zynqmp/clk-mux-zynqmp.c +++ b/drivers/clk/zynqmp/clk-mux-zynqmp.c @@ -126,7 +126,9 @@ 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; diff --git a/drivers/clk/zynqmp/clk-zynqmp.h b/drivers/clk/zynqmp/clk-zynqmp.h index 5beeb41b29fa..aa013a59c7cc 100644 --- a/drivers/clk/zynqmp/clk-zynqmp.h +++ b/drivers/clk/zynqmp/clk-zynqmp.h @@ -10,6 +10,20 @@ #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) +/* don't re-parent on rate change */ +#define ZYNQMP_CLK_SET_RATE_NO_REPARENT BIT(7) +/* do not gate, ever */ +#define ZYNQMP_CLK_IS_CRITICAL BIT(11) + enum topology_type { TYPE_INVALID, TYPE_MUX, @@ -33,6 +47,8 @@ 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, diff --git a/drivers/clk/zynqmp/clkc.c b/drivers/clk/zynqmp/clkc.c index db8d0d7161ce..871184e406e1 100644 --- a/drivers/clk/zynqmp/clkc.c +++ b/drivers/clk/zynqmp/clkc.c @@ -271,6 +271,26 @@ 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; + + if (zynqmp_flag & ZYNQMP_CLK_SET_RATE_GATE) + ccf_flag |= CLK_SET_RATE_GATE; + if (zynqmp_flag & ZYNQMP_CLK_SET_PARENT_GATE) + ccf_flag |= CLK_SET_PARENT_GATE; + if (zynqmp_flag & ZYNQMP_CLK_SET_RATE_PARENT) + ccf_flag |= CLK_SET_RATE_PARENT; + if (zynqmp_flag & ZYNQMP_CLK_IGNORE_UNUSED) + ccf_flag |= CLK_IGNORE_UNUSED; + if (zynqmp_flag & ZYNQMP_CLK_SET_RATE_NO_REPARENT) + ccf_flag |= CLK_SET_RATE_NO_REPARENT; + if (zynqmp_flag & ZYNQMP_CLK_IS_CRITICAL) + ccf_flag |= CLK_IS_CRITICAL; + + return ccf_flag; +} + /** * zynqmp_clk_register_fixed_factor() - Register fixed factor with the * clock framework @@ -292,6 +312,7 @@ 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 +324,11 @@ 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; diff --git a/drivers/clk/zynqmp/divider.c b/drivers/clk/zynqmp/divider.c index e9bf7958b821..0becdc0a8bff 100644 --- a/drivers/clk/zynqmp/divider.c +++ b/drivers/clk/zynqmp/divider.c @@ -312,8 +312,9 @@ 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; diff --git a/drivers/clk/zynqmp/pll.c b/drivers/clk/zynqmp/pll.c index 793b950ade09..036e4ff64a2f 100644 --- a/drivers/clk/zynqmp/pll.c +++ b/drivers/clk/zynqmp/pll.c @@ -322,7 +322,9 @@ 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; |