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path: root/drivers/clk/clk-stm32mp1.c
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Diffstat (limited to 'drivers/clk/clk-stm32mp1.c')
-rw-r--r--drivers/clk/clk-stm32mp1.c48
1 files changed, 39 insertions, 9 deletions
diff --git a/drivers/clk/clk-stm32mp1.c b/drivers/clk/clk-stm32mp1.c
index 4bd1fe7d8af4..7ad2e6203bae 100644
--- a/drivers/clk/clk-stm32mp1.c
+++ b/drivers/clk/clk-stm32mp1.c
@@ -155,6 +155,10 @@ static const char * const eth_src[] = {
"pll4_p", "pll3_q"
};
+const struct clk_parent_data ethrx_src[] = {
+ { .name = "ethck_k", .fw_name = "ETH_RX_CLK/ETH_REF_CLK" },
+};
+
static const char * const rng_src[] = {
"ck_csi", "pll4_r", "ck_lse", "ck_lsi"
};
@@ -317,6 +321,7 @@ struct clock_config {
const char *name;
const char *parent_name;
const char * const *parent_names;
+ const struct clk_parent_data *parent_data;
int num_parents;
unsigned long flags;
void *cfg;
@@ -576,6 +581,7 @@ static struct clk_hw *
clk_stm32_register_gate_ops(struct device *dev,
const char *name,
const char *parent_name,
+ const struct clk_parent_data *parent_data,
unsigned long flags,
void __iomem *base,
const struct stm32_gate_cfg *cfg,
@@ -586,7 +592,10 @@ clk_stm32_register_gate_ops(struct device *dev,
int ret;
init.name = name;
- init.parent_names = &parent_name;
+ if (parent_name)
+ init.parent_names = &parent_name;
+ if (parent_data)
+ init.parent_data = parent_data;
init.num_parents = 1;
init.flags = flags;
@@ -611,6 +620,7 @@ clk_stm32_register_gate_ops(struct device *dev,
static struct clk_hw *
clk_stm32_register_composite(struct device *dev,
const char *name, const char * const *parent_names,
+ const struct clk_parent_data *parent_data,
int num_parents, void __iomem *base,
const struct stm32_composite_cfg *cfg,
unsigned long flags, spinlock_t *lock)
@@ -1135,6 +1145,7 @@ _clk_stm32_register_gate(struct device *dev,
return clk_stm32_register_gate_ops(dev,
cfg->name,
cfg->parent_name,
+ cfg->parent_data,
cfg->flags,
base,
cfg->cfg,
@@ -1148,8 +1159,8 @@ _clk_stm32_register_composite(struct device *dev,
const struct clock_config *cfg)
{
return clk_stm32_register_composite(dev, cfg->name, cfg->parent_names,
- cfg->num_parents, base, cfg->cfg,
- cfg->flags, lock);
+ cfg->parent_data, cfg->num_parents,
+ base, cfg->cfg, cfg->flags, lock);
}
#define GATE(_id, _name, _parent, _flags, _offset, _bit_idx, _gate_flags)\
@@ -1258,6 +1269,16 @@ _clk_stm32_register_composite(struct device *dev,
.func = _clk_stm32_register_gate,\
}
+#define STM32_GATE_PDATA(_id, _name, _parent, _flags, _gate)\
+{\
+ .id = _id,\
+ .name = _name,\
+ .parent_data = _parent,\
+ .flags = _flags,\
+ .cfg = (struct stm32_gate_cfg *) {_gate},\
+ .func = _clk_stm32_register_gate,\
+}
+
#define _STM32_GATE(_gate_offset, _gate_bit_idx, _gate_flags, _mgate, _ops)\
(&(struct stm32_gate_cfg) {\
&(struct gate_cfg) {\
@@ -1291,6 +1312,10 @@ _clk_stm32_register_composite(struct device *dev,
STM32_GATE(_id, _name, _parent, _flags,\
_STM32_MGATE(_mgate))
+#define MGATE_MP1_PDATA(_id, _name, _parent, _flags, _mgate)\
+ STM32_GATE_PDATA(_id, _name, _parent, _flags,\
+ _STM32_MGATE(_mgate))
+
#define _STM32_DIV(_div_offset, _div_shift, _div_width,\
_div_flags, _div_table, _ops)\
.div = &(struct stm32_div_cfg) {\
@@ -1354,6 +1379,9 @@ _clk_stm32_register_composite(struct device *dev,
#define PCLK(_id, _name, _parent, _flags, _mgate)\
MGATE_MP1(_id, _name, _parent, _flags, _mgate)
+#define PCLK_PDATA(_id, _name, _parent, _flags, _mgate)\
+ MGATE_MP1_PDATA(_id, _name, _parent, _flags, _mgate)
+
#define KCLK(_id, _name, _parents, _flags, _mgate, _mmux)\
COMPOSITE(_id, _name, _parents, CLK_OPS_PARENT_ENABLE |\
CLK_SET_RATE_NO_REPARENT | _flags,\
@@ -1951,7 +1979,7 @@ static const struct clock_config stm32mp1_clock_cfg[] = {
PCLK(MDMA, "mdma", "ck_axi", 0, G_MDMA),
PCLK(GPU, "gpu", "ck_axi", 0, G_GPU),
PCLK(ETHTX, "ethtx", "ck_axi", 0, G_ETHTX),
- PCLK(ETHRX, "ethrx", "ck_axi", 0, G_ETHRX),
+ PCLK_PDATA(ETHRX, "ethrx", ethrx_src, 0, G_ETHRX),
PCLK(ETHMAC, "ethmac", "ck_axi", 0, G_ETHMAC),
PCLK(FMC, "fmc", "ck_axi", CLK_IGNORE_UNUSED, G_FMC),
PCLK(QSPI, "qspi", "ck_axi", CLK_IGNORE_UNUSED, G_QSPI),
@@ -2008,7 +2036,6 @@ static const struct clock_config stm32mp1_clock_cfg[] = {
KCLK(DSI_K, "dsi_k", dsi_src, 0, G_DSI, M_DSI),
KCLK(ADFSDM_K, "adfsdm_k", sai_src, 0, G_ADFSDM, M_SAI1),
KCLK(USBO_K, "usbo_k", usbo_src, 0, G_USBO, M_USBO),
- KCLK(ETHCK_K, "ethck_k", eth_src, 0, G_ETHCK, M_ETHCK),
/* Particulary Kernel Clocks (no mux or no gate) */
MGATE_MP1(DFSDM_K, "dfsdm_k", "ck_mcu", 0, G_DFSDM),
@@ -2017,11 +2044,16 @@ static const struct clock_config stm32mp1_clock_cfg[] = {
MGATE_MP1(GPU_K, "gpu_k", "pll2_q", 0, G_GPU),
MGATE_MP1(DAC12_K, "dac12_k", "ck_lsi", 0, G_DAC12),
- COMPOSITE(ETHPTP_K, "ethptp_k", eth_src, CLK_OPS_PARENT_ENABLE |
+ COMPOSITE(NO_ID, "ck_ker_eth", eth_src, CLK_OPS_PARENT_ENABLE |
CLK_SET_RATE_NO_REPARENT,
_NO_GATE,
_MMUX(M_ETHCK),
- _DIV(RCC_ETHCKSELR, 4, 4, 0, NULL)),
+ _NO_DIV),
+
+ MGATE_MP1(ETHCK_K, "ethck_k", "ck_ker_eth", 0, G_ETHCK),
+
+ DIV(ETHPTP_K, "ethptp_k", "ck_ker_eth", CLK_OPS_PARENT_ENABLE |
+ CLK_SET_RATE_NO_REPARENT, RCC_ETHCKSELR, 4, 4, 0),
/* RTC clock */
COMPOSITE(RTC, "ck_rtc", rtc_src, CLK_OPS_PARENT_ENABLE,
@@ -2253,8 +2285,6 @@ static int stm32_rcc_reset_init(struct device *dev, void __iomem *base,
const struct stm32_rcc_match_data *data = match->data;
struct stm32_reset_data *reset_data = NULL;
- data = match->data;
-
reset_data = kzalloc(sizeof(*reset_data), GFP_KERNEL);
if (!reset_data)
return -ENOMEM;