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path: root/drivers/clk/socfpga
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-rw-r--r--drivers/clk/socfpga/Kconfig19
-rw-r--r--drivers/clk/socfpga/Makefile11
-rw-r--r--drivers/clk/socfpga/clk-agilex.c117
-rw-r--r--drivers/clk/socfpga/clk-gate-a10.c9
-rw-r--r--drivers/clk/socfpga/clk-gate-s10.c17
-rw-r--r--drivers/clk/socfpga/clk-gate.c11
-rw-r--r--drivers/clk/socfpga/clk-periph-a10.c11
-rw-r--r--drivers/clk/socfpga/clk-periph-s10.c42
-rw-r--r--drivers/clk/socfpga/clk-periph.c8
-rw-r--r--drivers/clk/socfpga/clk-pll-a10.c12
-rw-r--r--drivers/clk/socfpga/clk-pll-s10.c45
-rw-r--r--drivers/clk/socfpga/clk-pll.c18
-rw-r--r--drivers/clk/socfpga/clk-s10.c68
-rw-r--r--drivers/clk/socfpga/stratix10-clk.h24
14 files changed, 226 insertions, 186 deletions
diff --git a/drivers/clk/socfpga/Kconfig b/drivers/clk/socfpga/Kconfig
new file mode 100644
index 000000000000..0cf16b894efb
--- /dev/null
+++ b/drivers/clk/socfpga/Kconfig
@@ -0,0 +1,19 @@
+# SPDX-License-Identifier: GPL-2.0
+config CLK_INTEL_SOCFPGA
+ bool "Intel SoCFPGA family clock support" if COMPILE_TEST && !ARCH_INTEL_SOCFPGA
+ default ARCH_INTEL_SOCFPGA
+ help
+ Support for the clock controllers present on Intel SoCFPGA and eASIC
+ devices like Aria, Cyclone, Stratix 10, Agilex and N5X eASIC.
+
+if CLK_INTEL_SOCFPGA
+
+config CLK_INTEL_SOCFPGA32
+ bool "Intel Aria / Cyclone clock controller support" if COMPILE_TEST && (!ARM || !ARCH_INTEL_SOCFPGA)
+ default ARM && ARCH_INTEL_SOCFPGA
+
+config CLK_INTEL_SOCFPGA64
+ bool "Intel Stratix / Agilex / N5X clock controller support" if COMPILE_TEST && (!ARM64 || !ARCH_INTEL_SOCFPGA)
+ default ARM64 && ARCH_INTEL_SOCFPGA
+
+endif # CLK_INTEL_SOCFPGA
diff --git a/drivers/clk/socfpga/Makefile b/drivers/clk/socfpga/Makefile
index bf736f8d201a..e8dfce339c91 100644
--- a/drivers/clk/socfpga/Makefile
+++ b/drivers/clk/socfpga/Makefile
@@ -1,7 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
-obj-$(CONFIG_ARCH_SOCFPGA) += clk.o clk-gate.o clk-pll.o clk-periph.o
-obj-$(CONFIG_ARCH_SOCFPGA) += clk-pll-a10.o clk-periph-a10.o clk-gate-a10.o
-obj-$(CONFIG_ARCH_STRATIX10) += clk-s10.o
-obj-$(CONFIG_ARCH_STRATIX10) += clk-pll-s10.o clk-periph-s10.o clk-gate-s10.o
-obj-$(CONFIG_ARCH_AGILEX) += clk-agilex.o
-obj-$(CONFIG_ARCH_AGILEX) += clk-pll-s10.o clk-periph-s10.o clk-gate-s10.o
+obj-$(CONFIG_CLK_INTEL_SOCFPGA32) += clk.o clk-gate.o clk-pll.o clk-periph.o \
+ clk-pll-a10.o clk-periph-a10.o clk-gate-a10.o
+obj-$(CONFIG_CLK_INTEL_SOCFPGA64) += clk-s10.o \
+ clk-pll-s10.o clk-periph-s10.o clk-gate-s10.o \
+ clk-agilex.o
diff --git a/drivers/clk/socfpga/clk-agilex.c b/drivers/clk/socfpga/clk-agilex.c
index 7689bdd0a914..92a6d740a799 100644
--- a/drivers/clk/socfpga/clk-agilex.c
+++ b/drivers/clk/socfpga/clk-agilex.c
@@ -303,18 +303,18 @@ static const struct stratix10_gate_clock agilex_gate_clks[] = {
static int n5x_clk_register_c_perip(const struct n5x_perip_c_clock *clks,
int nums, struct stratix10_clock_data *data)
{
- struct clk *clk;
+ struct clk_hw *hw_clk;
void __iomem *base = data->base;
int i;
for (i = 0; i < nums; i++) {
- clk = n5x_register_periph(&clks[i], base);
- if (IS_ERR(clk)) {
+ hw_clk = n5x_register_periph(&clks[i], base);
+ if (IS_ERR(hw_clk)) {
pr_err("%s: failed to register clock %s\n",
__func__, clks[i].name);
continue;
}
- data->clk_data.clks[clks[i].id] = clk;
+ data->clk_data.hws[clks[i].id] = hw_clk;
}
return 0;
}
@@ -322,18 +322,18 @@ static int n5x_clk_register_c_perip(const struct n5x_perip_c_clock *clks,
static int agilex_clk_register_c_perip(const struct stratix10_perip_c_clock *clks,
int nums, struct stratix10_clock_data *data)
{
- struct clk *clk;
+ struct clk_hw *hw_clk;
void __iomem *base = data->base;
int i;
for (i = 0; i < nums; i++) {
- clk = s10_register_periph(&clks[i], base);
- if (IS_ERR(clk)) {
+ hw_clk = s10_register_periph(&clks[i], base);
+ if (IS_ERR(hw_clk)) {
pr_err("%s: failed to register clock %s\n",
__func__, clks[i].name);
continue;
}
- data->clk_data.clks[clks[i].id] = clk;
+ data->clk_data.hws[clks[i].id] = hw_clk;
}
return 0;
}
@@ -341,37 +341,38 @@ static int agilex_clk_register_c_perip(const struct stratix10_perip_c_clock *clk
static int agilex_clk_register_cnt_perip(const struct stratix10_perip_cnt_clock *clks,
int nums, struct stratix10_clock_data *data)
{
- struct clk *clk;
+ struct clk_hw *hw_clk;
void __iomem *base = data->base;
int i;
for (i = 0; i < nums; i++) {
- clk = s10_register_cnt_periph(&clks[i], base);
- if (IS_ERR(clk)) {
+ hw_clk = s10_register_cnt_periph(&clks[i], base);
+ if (IS_ERR(hw_clk)) {
pr_err("%s: failed to register clock %s\n",
__func__, clks[i].name);
continue;
}
- data->clk_data.clks[clks[i].id] = clk;
+ data->clk_data.hws[clks[i].id] = hw_clk;
}
return 0;
}
-static int agilex_clk_register_gate(const struct stratix10_gate_clock *clks, int nums, struct stratix10_clock_data *data)
+static int agilex_clk_register_gate(const struct stratix10_gate_clock *clks,
+ int nums, struct stratix10_clock_data *data)
{
- struct clk *clk;
+ struct clk_hw *hw_clk;
void __iomem *base = data->base;
int i;
for (i = 0; i < nums; i++) {
- clk = s10_register_gate(&clks[i], base);
- if (IS_ERR(clk)) {
+ hw_clk = s10_register_gate(&clks[i], base);
+ if (IS_ERR(hw_clk)) {
pr_err("%s: failed to register clock %s\n",
__func__, clks[i].name);
continue;
}
- data->clk_data.clks[clks[i].id] = clk;
+ data->clk_data.hws[clks[i].id] = hw_clk;
}
return 0;
@@ -380,18 +381,18 @@ static int agilex_clk_register_gate(const struct stratix10_gate_clock *clks,
static int agilex_clk_register_pll(const struct stratix10_pll_clock *clks,
int nums, struct stratix10_clock_data *data)
{
- struct clk *clk;
+ struct clk_hw *hw_clk;
void __iomem *base = data->base;
int i;
for (i = 0; i < nums; i++) {
- clk = agilex_register_pll(&clks[i], base);
- if (IS_ERR(clk)) {
+ hw_clk = agilex_register_pll(&clks[i], base);
+ if (IS_ERR(hw_clk)) {
pr_err("%s: failed to register clock %s\n",
__func__, clks[i].name);
continue;
}
- data->clk_data.clks[clks[i].id] = clk;
+ data->clk_data.hws[clks[i].id] = hw_clk;
}
return 0;
@@ -400,64 +401,49 @@ static int agilex_clk_register_pll(const struct stratix10_pll_clock *clks,
static int n5x_clk_register_pll(const struct stratix10_pll_clock *clks,
int nums, struct stratix10_clock_data *data)
{
- struct clk *clk;
+ struct clk_hw *hw_clk;
void __iomem *base = data->base;
int i;
for (i = 0; i < nums; i++) {
- clk = n5x_register_pll(&clks[i], base);
- if (IS_ERR(clk)) {
+ hw_clk = n5x_register_pll(&clks[i], base);
+ if (IS_ERR(hw_clk)) {
pr_err("%s: failed to register clock %s\n",
__func__, clks[i].name);
continue;
}
- data->clk_data.clks[clks[i].id] = clk;
+ data->clk_data.hws[clks[i].id] = hw_clk;
}
return 0;
}
-static struct stratix10_clock_data *__socfpga_agilex_clk_init(struct platform_device *pdev,
- int nr_clks)
+static int agilex_clkmgr_init(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
struct device *dev = &pdev->dev;
struct stratix10_clock_data *clk_data;
- struct clk **clk_table;
struct resource *res;
void __iomem *base;
- int ret;
+ int i, num_clks;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
base = devm_ioremap_resource(dev, res);
if (IS_ERR(base))
- return ERR_CAST(base);
-
- clk_data = devm_kzalloc(dev, sizeof(*clk_data), GFP_KERNEL);
- if (!clk_data)
- return ERR_PTR(-ENOMEM);
+ return PTR_ERR(base);
- clk_data->base = base;
- clk_table = devm_kcalloc(dev, nr_clks, sizeof(*clk_table), GFP_KERNEL);
- if (!clk_table)
- return ERR_PTR(-ENOMEM);
-
- clk_data->clk_data.clks = clk_table;
- clk_data->clk_data.clk_num = nr_clks;
- ret = of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data->clk_data);
- if (ret)
- return ERR_PTR(ret);
+ num_clks = AGILEX_NUM_CLKS;
- return clk_data;
-}
+ clk_data = devm_kzalloc(dev, struct_size(clk_data, clk_data.hws,
+ num_clks), GFP_KERNEL);
+ if (!clk_data)
+ return -ENOMEM;
-static int agilex_clkmgr_init(struct platform_device *pdev)
-{
- struct stratix10_clock_data *clk_data;
+ for (i = 0; i < num_clks; i++)
+ clk_data->clk_data.hws[i] = ERR_PTR(-ENOENT);
- clk_data = __socfpga_agilex_clk_init(pdev, AGILEX_NUM_CLKS);
- if (IS_ERR(clk_data))
- return PTR_ERR(clk_data);
+ clk_data->base = base;
+ clk_data->clk_data.num = num_clks;
agilex_clk_register_pll(agilex_pll_clks, ARRAY_SIZE(agilex_pll_clks), clk_data);
@@ -470,16 +456,36 @@ static int agilex_clkmgr_init(struct platform_device *pdev)
agilex_clk_register_gate(agilex_gate_clks, ARRAY_SIZE(agilex_gate_clks),
clk_data);
+ of_clk_add_hw_provider(np, of_clk_hw_onecell_get, &clk_data->clk_data);
return 0;
}
static int n5x_clkmgr_init(struct platform_device *pdev)
{
+ struct device_node *np = pdev->dev.of_node;
+ struct device *dev = &pdev->dev;
struct stratix10_clock_data *clk_data;
+ struct resource *res;
+ void __iomem *base;
+ int i, num_clks;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ base = devm_ioremap_resource(dev, res);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ num_clks = AGILEX_NUM_CLKS;
+
+ clk_data = devm_kzalloc(dev, struct_size(clk_data, clk_data.hws,
+ num_clks), GFP_KERNEL);
+ if (!clk_data)
+ return -ENOMEM;
+
+ for (i = 0; i < num_clks; i++)
+ clk_data->clk_data.hws[i] = ERR_PTR(-ENOENT);
- clk_data = __socfpga_agilex_clk_init(pdev, AGILEX_NUM_CLKS);
- if (IS_ERR(clk_data))
- return PTR_ERR(clk_data);
+ clk_data->base = base;
+ clk_data->clk_data.num = num_clks;
n5x_clk_register_pll(agilex_pll_clks, ARRAY_SIZE(agilex_pll_clks), clk_data);
@@ -492,6 +498,7 @@ static int n5x_clkmgr_init(struct platform_device *pdev)
agilex_clk_register_gate(agilex_gate_clks, ARRAY_SIZE(agilex_gate_clks),
clk_data);
+ of_clk_add_hw_provider(np, of_clk_hw_onecell_get, &clk_data->clk_data);
return 0;
}
diff --git a/drivers/clk/socfpga/clk-gate-a10.c b/drivers/clk/socfpga/clk-gate-a10.c
index cd5df9103614..738c53391e39 100644
--- a/drivers/clk/socfpga/clk-gate-a10.c
+++ b/drivers/clk/socfpga/clk-gate-a10.c
@@ -98,7 +98,7 @@ static void __init __socfpga_gate_init(struct device_node *node,
u32 div_reg[3];
u32 clk_phase[2];
u32 fixed_div;
- struct clk *clk;
+ struct clk_hw *hw_clk;
struct socfpga_gate_clk *socfpga_clk;
const char *clk_name = node->name;
const char *parent_name[SOCFPGA_MAX_PARENTS];
@@ -146,6 +146,7 @@ static void __init __socfpga_gate_init(struct device_node *node,
if (IS_ERR(socfpga_clk->sys_mgr_base_addr)) {
pr_err("%s: failed to find altr,sys-mgr regmap!\n",
__func__);
+ kfree(socfpga_clk);
return;
}
}
@@ -159,13 +160,13 @@ static void __init __socfpga_gate_init(struct device_node *node,
init.num_parents = of_clk_parent_fill(node, parent_name, SOCFPGA_MAX_PARENTS);
init.parent_names = parent_name;
socfpga_clk->hw.hw.init = &init;
+ hw_clk = &socfpga_clk->hw.hw;
- clk = clk_register(NULL, &socfpga_clk->hw.hw);
- if (WARN_ON(IS_ERR(clk))) {
+ if (clk_hw_register(NULL, hw_clk)) {
kfree(socfpga_clk);
return;
}
- rc = of_clk_add_provider(node, of_clk_src_simple_get, clk);
+ rc = of_clk_add_provider(node, of_clk_src_simple_get, hw_clk);
if (WARN_ON(rc))
return;
}
diff --git a/drivers/clk/socfpga/clk-gate-s10.c b/drivers/clk/socfpga/clk-gate-s10.c
index 083b2ec21fdd..b84f2627551e 100644
--- a/drivers/clk/socfpga/clk-gate-s10.c
+++ b/drivers/clk/socfpga/clk-gate-s10.c
@@ -31,7 +31,7 @@ static unsigned long socfpga_dbg_clk_recalc_rate(struct clk_hw *hwclk,
unsigned long parent_rate)
{
struct socfpga_gate_clk *socfpgaclk = to_socfpga_gate_clk(hwclk);
- u32 div = 1, val;
+ u32 div, val;
val = readl(socfpgaclk->div_reg) >> socfpgaclk->shift;
val &= GENMASK(socfpgaclk->width - 1, 0);
@@ -65,12 +65,13 @@ static const struct clk_ops dbgclk_ops = {
.get_parent = socfpga_gate_get_parent,
};
-struct clk *s10_register_gate(const struct stratix10_gate_clock *clks, void __iomem *regbase)
+struct clk_hw *s10_register_gate(const struct stratix10_gate_clock *clks, void __iomem *regbase)
{
- struct clk *clk;
+ struct clk_hw *hw_clk;
struct socfpga_gate_clk *socfpga_clk;
struct clk_init_data init;
const char *parent_name = clks->parent_name;
+ int ret;
socfpga_clk = kzalloc(sizeof(*socfpga_clk), GFP_KERNEL);
if (!socfpga_clk)
@@ -112,10 +113,12 @@ struct clk *s10_register_gate(const struct stratix10_gate_clock *clks, void __io
init.parent_data = clks->parent_data;
socfpga_clk->hw.hw.init = &init;
- clk = clk_register(NULL, &socfpga_clk->hw.hw);
- if (WARN_ON(IS_ERR(clk))) {
+ hw_clk = &socfpga_clk->hw.hw;
+
+ ret = clk_hw_register(NULL, &socfpga_clk->hw.hw);
+ if (ret) {
kfree(socfpga_clk);
- return NULL;
+ return ERR_PTR(ret);
}
- return clk;
+ return hw_clk;
}
diff --git a/drivers/clk/socfpga/clk-gate.c b/drivers/clk/socfpga/clk-gate.c
index cf94a12459ea..1ec9678d8cd3 100644
--- a/drivers/clk/socfpga/clk-gate.c
+++ b/drivers/clk/socfpga/clk-gate.c
@@ -174,13 +174,14 @@ void __init socfpga_gate_init(struct device_node *node)
u32 div_reg[3];
u32 clk_phase[2];
u32 fixed_div;
- struct clk *clk;
+ struct clk_hw *hw_clk;
struct socfpga_gate_clk *socfpga_clk;
const char *clk_name = node->name;
const char *parent_name[SOCFPGA_MAX_PARENTS];
struct clk_init_data init;
struct clk_ops *ops;
int rc;
+ int err;
socfpga_clk = kzalloc(sizeof(*socfpga_clk), GFP_KERNEL);
if (WARN_ON(!socfpga_clk))
@@ -238,12 +239,14 @@ void __init socfpga_gate_init(struct device_node *node)
init.parent_names = parent_name;
socfpga_clk->hw.hw.init = &init;
- clk = clk_register(NULL, &socfpga_clk->hw.hw);
- if (WARN_ON(IS_ERR(clk))) {
+ hw_clk = &socfpga_clk->hw.hw;
+
+ err = clk_hw_register(NULL, hw_clk);
+ if (err) {
kfree(socfpga_clk);
return;
}
- rc = of_clk_add_provider(node, of_clk_src_simple_get, clk);
+ rc = of_clk_add_provider(node, of_clk_src_simple_get, hw_clk);
if (WARN_ON(rc))
return;
}
diff --git a/drivers/clk/socfpga/clk-periph-a10.c b/drivers/clk/socfpga/clk-periph-a10.c
index 3e0c55727b89..b9cdde4b8441 100644
--- a/drivers/clk/socfpga/clk-periph-a10.c
+++ b/drivers/clk/socfpga/clk-periph-a10.c
@@ -61,7 +61,7 @@ static __init void __socfpga_periph_init(struct device_node *node,
const struct clk_ops *ops)
{
u32 reg;
- struct clk *clk;
+ struct clk_hw *hw_clk;
struct socfpga_periph_clk *periph_clk;
const char *clk_name = node->name;
const char *parent_name[SOCFPGA_MAX_PARENTS];
@@ -104,12 +104,13 @@ static __init void __socfpga_periph_init(struct device_node *node,
periph_clk->hw.hw.init = &init;
- clk = clk_register(NULL, &periph_clk->hw.hw);
- if (WARN_ON(IS_ERR(clk))) {
+ hw_clk = &periph_clk->hw.hw;
+
+ if (clk_hw_register(NULL, hw_clk)) {
kfree(periph_clk);
return;
}
- rc = of_clk_add_provider(node, of_clk_src_simple_get, clk);
+ rc = of_clk_add_provider(node, of_clk_src_simple_get, hw_clk);
if (rc < 0) {
pr_err("Could not register clock provider for node:%s\n",
clk_name);
@@ -119,7 +120,7 @@ static __init void __socfpga_periph_init(struct device_node *node,
return;
err_clk:
- clk_unregister(clk);
+ clk_hw_unregister(hw_clk);
}
void __init socfpga_a10_periph_init(struct device_node *node)
diff --git a/drivers/clk/socfpga/clk-periph-s10.c b/drivers/clk/socfpga/clk-periph-s10.c
index 0ff2b9d24035..e5a5fef76df7 100644
--- a/drivers/clk/socfpga/clk-periph-s10.c
+++ b/drivers/clk/socfpga/clk-periph-s10.c
@@ -93,14 +93,15 @@ static const struct clk_ops peri_cnt_clk_ops = {
.get_parent = clk_periclk_get_parent,
};
-struct clk *s10_register_periph(const struct stratix10_perip_c_clock *clks,
+struct clk_hw *s10_register_periph(const struct stratix10_perip_c_clock *clks,
void __iomem *reg)
{
- struct clk *clk;
+ struct clk_hw *hw_clk;
struct socfpga_periph_clk *periph_clk;
struct clk_init_data init;
const char *name = clks->name;
const char *parent_name = clks->parent_name;
+ int ret;
periph_clk = kzalloc(sizeof(*periph_clk), GFP_KERNEL);
if (WARN_ON(!periph_clk))
@@ -118,23 +119,25 @@ struct clk *s10_register_periph(const struct stratix10_perip_c_clock *clks,
init.parent_data = clks->parent_data;
periph_clk->hw.hw.init = &init;
+ hw_clk = &periph_clk->hw.hw;
- clk = clk_register(NULL, &periph_clk->hw.hw);
- if (WARN_ON(IS_ERR(clk))) {
+ ret = clk_hw_register(NULL, hw_clk);
+ if (ret) {
kfree(periph_clk);
- return NULL;
+ return ERR_PTR(ret);
}
- return clk;
+ return hw_clk;
}
-struct clk *n5x_register_periph(const struct n5x_perip_c_clock *clks,
+struct clk_hw *n5x_register_periph(const struct n5x_perip_c_clock *clks,
void __iomem *regbase)
{
- struct clk *clk;
+ struct clk_hw *hw_clk;
struct socfpga_periph_clk *periph_clk;
struct clk_init_data init;
const char *name = clks->name;
const char *parent_name = clks->parent_name;
+ int ret;
periph_clk = kzalloc(sizeof(*periph_clk), GFP_KERNEL);
if (WARN_ON(!periph_clk))
@@ -151,23 +154,25 @@ struct clk *n5x_register_periph(const struct n5x_perip_c_clock *clks,
init.parent_names = parent_name ? &parent_name : NULL;
periph_clk->hw.hw.init = &init;
+ hw_clk = &periph_clk->hw.hw;
- clk = clk_register(NULL, &periph_clk->hw.hw);
- if (WARN_ON(IS_ERR(clk))) {
+ ret = clk_hw_register(NULL, hw_clk);
+ if (ret) {
kfree(periph_clk);
- return NULL;
+ return ERR_PTR(ret);
}
- return clk;
+ return hw_clk;
}
-struct clk *s10_register_cnt_periph(const struct stratix10_perip_cnt_clock *clks,
+struct clk_hw *s10_register_cnt_periph(const struct stratix10_perip_cnt_clock *clks,
void __iomem *regbase)
{
- struct clk *clk;
+ struct clk_hw *hw_clk;
struct socfpga_periph_clk *periph_clk;
struct clk_init_data init;
const char *name = clks->name;
const char *parent_name = clks->parent_name;
+ int ret;
periph_clk = kzalloc(sizeof(*periph_clk), GFP_KERNEL);
if (WARN_ON(!periph_clk))
@@ -195,11 +200,12 @@ struct clk *s10_register_cnt_periph(const struct stratix10_perip_cnt_clock *clks
init.parent_data = clks->parent_data;
periph_clk->hw.hw.init = &init;
+ hw_clk = &periph_clk->hw.hw;
- clk = clk_register(NULL, &periph_clk->hw.hw);
- if (WARN_ON(IS_ERR(clk))) {
+ ret = clk_hw_register(NULL, hw_clk);
+ if (ret) {
kfree(periph_clk);
- return NULL;
+ return ERR_PTR(ret);
}
- return clk;
+ return hw_clk;
}
diff --git a/drivers/clk/socfpga/clk-periph.c b/drivers/clk/socfpga/clk-periph.c
index 5e0c4b45f77f..43707e2d7248 100644
--- a/drivers/clk/socfpga/clk-periph.c
+++ b/drivers/clk/socfpga/clk-periph.c
@@ -51,7 +51,7 @@ static __init void __socfpga_periph_init(struct device_node *node,
const struct clk_ops *ops)
{
u32 reg;
- struct clk *clk;
+ struct clk_hw *hw_clk;
struct socfpga_periph_clk *periph_clk;
const char *clk_name = node->name;
const char *parent_name[SOCFPGA_MAX_PARENTS];
@@ -94,13 +94,13 @@ static __init void __socfpga_periph_init(struct device_node *node,
init.parent_names = parent_name;
periph_clk->hw.hw.init = &init;
+ hw_clk = &periph_clk->hw.hw;
- clk = clk_register(NULL, &periph_clk->hw.hw);
- if (WARN_ON(IS_ERR(clk))) {
+ if (clk_hw_register(NULL, hw_clk)) {
kfree(periph_clk);
return;
}
- rc = of_clk_add_provider(node, of_clk_src_simple_get, clk);
+ rc = of_clk_add_provider(node, of_clk_src_simple_get, hw_clk);
}
void __init socfpga_periph_init(struct device_node *node)
diff --git a/drivers/clk/socfpga/clk-pll-a10.c b/drivers/clk/socfpga/clk-pll-a10.c
index 3338f054fe98..bee0f7da5b6e 100644
--- a/drivers/clk/socfpga/clk-pll-a10.c
+++ b/drivers/clk/socfpga/clk-pll-a10.c
@@ -63,11 +63,11 @@ static const struct clk_ops clk_pll_ops = {
.get_parent = clk_pll_get_parent,
};
-static struct clk * __init __socfpga_pll_init(struct device_node *node,
+static struct clk_hw * __init __socfpga_pll_init(struct device_node *node,
const struct clk_ops *ops)
{
u32 reg;
- struct clk *clk;
+ struct clk_hw *hw_clk;
struct socfpga_pll *pll_clk;
const char *clk_name = node->name;
const char *parent_name[SOCFGPA_MAX_PARENTS];
@@ -101,14 +101,14 @@ static struct clk * __init __socfpga_pll_init(struct device_node *node,
pll_clk->hw.hw.init = &init;
pll_clk->hw.bit_idx = SOCFPGA_PLL_EXT_ENA;
+ hw_clk = &pll_clk->hw.hw;
- clk = clk_register(NULL, &pll_clk->hw.hw);
- if (WARN_ON(IS_ERR(clk))) {
+ if (clk_hw_register(NULL, hw_clk)) {
kfree(pll_clk);
return NULL;
}
- of_clk_add_provider(node, of_clk_src_simple_get, clk);
- return clk;
+ of_clk_add_provider(node, of_clk_src_simple_get, hw_clk);
+ return hw_clk;
}
void __init socfpga_a10_pll_init(struct device_node *node)
diff --git a/drivers/clk/socfpga/clk-pll-s10.c b/drivers/clk/socfpga/clk-pll-s10.c
index f6f66e08e1f4..70076a80149d 100644
--- a/drivers/clk/socfpga/clk-pll-s10.c
+++ b/drivers/clk/socfpga/clk-pll-s10.c
@@ -107,7 +107,7 @@ static unsigned long clk_boot_clk_recalc_rate(struct clk_hw *hwclk,
unsigned long parent_rate)
{
struct socfpga_pll *socfpgaclk = to_socfpga_clk(hwclk);
- u32 div = 1;
+ u32 div;
div = ((readl(socfpgaclk->hw.reg) &
SWCTRLBTCLKSEL_MASK) >>
@@ -187,13 +187,14 @@ static const struct clk_ops clk_boot_ops = {
.prepare = clk_pll_prepare,
};
-struct clk *s10_register_pll(const struct stratix10_pll_clock *clks,
+struct clk_hw *s10_register_pll(const struct stratix10_pll_clock *clks,
void __iomem *reg)
{
- struct clk *clk;
+ struct clk_hw *hw_clk;
struct socfpga_pll *pll_clk;
struct clk_init_data init;
const char *name = clks->name;
+ int ret;
pll_clk = kzalloc(sizeof(*pll_clk), GFP_KERNEL);
if (WARN_ON(!pll_clk))
@@ -216,21 +217,24 @@ struct clk *s10_register_pll(const struct stratix10_pll_clock *clks,
pll_clk->hw.bit_idx = SOCFPGA_PLL_POWER;
- clk = clk_register(NULL, &pll_clk->hw.hw);
- if (WARN_ON(IS_ERR(clk))) {
+ hw_clk = &pll_clk->hw.hw;
+
+ ret = clk_hw_register(NULL, hw_clk);
+ if (ret) {
kfree(pll_clk);
- return NULL;
+ return ERR_PTR(ret);
}
- return clk;
+ return hw_clk;
}
-struct clk *agilex_register_pll(const struct stratix10_pll_clock *clks,
+struct clk_hw *agilex_register_pll(const struct stratix10_pll_clock *clks,
void __iomem *reg)
{
- struct clk *clk;
+ struct clk_hw *hw_clk;
struct socfpga_pll *pll_clk;
struct clk_init_data init;
const char *name = clks->name;
+ int ret;
pll_clk = kzalloc(sizeof(*pll_clk), GFP_KERNEL);
if (WARN_ON(!pll_clk))
@@ -252,22 +256,24 @@ struct clk *agilex_register_pll(const struct stratix10_pll_clock *clks,
pll_clk->hw.hw.init = &init;
pll_clk->hw.bit_idx = SOCFPGA_PLL_POWER;
+ hw_clk = &pll_clk->hw.hw;
- clk = clk_register(NULL, &pll_clk->hw.hw);
- if (WARN_ON(IS_ERR(clk))) {
+ ret = clk_hw_register(NULL, hw_clk);
+ if (ret) {
kfree(pll_clk);
- return NULL;
+ return ERR_PTR(ret);
}
- return clk;
+ return hw_clk;
}
-struct clk *n5x_register_pll(const struct stratix10_pll_clock *clks,
+struct clk_hw *n5x_register_pll(const struct stratix10_pll_clock *clks,
void __iomem *reg)
{
- struct clk *clk;
+ struct clk_hw *hw_clk;
struct socfpga_pll *pll_clk;
struct clk_init_data init;
const char *name = clks->name;
+ int ret;
pll_clk = kzalloc(sizeof(*pll_clk), GFP_KERNEL);
if (WARN_ON(!pll_clk))
@@ -289,11 +295,12 @@ struct clk *n5x_register_pll(const struct stratix10_pll_clock *clks,
pll_clk->hw.hw.init = &init;
pll_clk->hw.bit_idx = SOCFPGA_PLL_POWER;
+ hw_clk = &pll_clk->hw.hw;
- clk = clk_register(NULL, &pll_clk->hw.hw);
- if (WARN_ON(IS_ERR(clk))) {
+ ret = clk_hw_register(NULL, hw_clk);
+ if (ret) {
kfree(pll_clk);
- return NULL;
+ return ERR_PTR(ret);
}
- return clk;
+ return hw_clk;
}
diff --git a/drivers/clk/socfpga/clk-pll.c b/drivers/clk/socfpga/clk-pll.c
index 3cf99df7d005..dcb573d44034 100644
--- a/drivers/clk/socfpga/clk-pll.c
+++ b/drivers/clk/socfpga/clk-pll.c
@@ -70,16 +70,18 @@ static const struct clk_ops clk_pll_ops = {
.get_parent = clk_pll_get_parent,
};
-static __init struct clk *__socfpga_pll_init(struct device_node *node,
+static __init struct clk_hw *__socfpga_pll_init(struct device_node *node,
const struct clk_ops *ops)
{
u32 reg;
- struct clk *clk;
+ struct clk_hw *hw_clk;
struct socfpga_pll *pll_clk;
const char *clk_name = node->name;
const char *parent_name[SOCFPGA_MAX_PARENTS];
struct clk_init_data init;
struct device_node *clkmgr_np;
+ int rc;
+ int err;
of_property_read_u32(node, "reg", &reg);
@@ -105,13 +107,15 @@ static __init struct clk *__socfpga_pll_init(struct device_node *node,
pll_clk->hw.bit_idx = SOCFPGA_PLL_EXT_ENA;
- clk = clk_register(NULL, &pll_clk->hw.hw);
- if (WARN_ON(IS_ERR(clk))) {
+ hw_clk = &pll_clk->hw.hw;
+
+ err = clk_hw_register(NULL, hw_clk);
+ if (err) {
kfree(pll_clk);
- return NULL;
+ return ERR_PTR(err);
}
- of_clk_add_provider(node, of_clk_src_simple_get, clk);
- return clk;
+ rc = of_clk_add_provider(node, of_clk_src_simple_get, hw_clk);
+ return hw_clk;
}
void __init socfpga_pll_init(struct device_node *node)
diff --git a/drivers/clk/socfpga/clk-s10.c b/drivers/clk/socfpga/clk-s10.c
index 661a8e9bfb9b..f0bd77138ecb 100644
--- a/drivers/clk/socfpga/clk-s10.c
+++ b/drivers/clk/socfpga/clk-s10.c
@@ -274,18 +274,18 @@ static const struct stratix10_gate_clock s10_gate_clks[] = {
static int s10_clk_register_c_perip(const struct stratix10_perip_c_clock *clks,
int nums, struct stratix10_clock_data *data)
{
- struct clk *clk;
+ struct clk_hw *hw_clk;
void __iomem *base = data->base;
int i;
for (i = 0; i < nums; i++) {
- clk = s10_register_periph(&clks[i], base);
- if (IS_ERR(clk)) {
+ hw_clk = s10_register_periph(&clks[i], base);
+ if (IS_ERR(hw_clk)) {
pr_err("%s: failed to register clock %s\n",
__func__, clks[i].name);
continue;
}
- data->clk_data.clks[clks[i].id] = clk;
+ data->clk_data.hws[clks[i].id] = hw_clk;
}
return 0;
}
@@ -293,18 +293,18 @@ static int s10_clk_register_c_perip(const struct stratix10_perip_c_clock *clks,
static int s10_clk_register_cnt_perip(const struct stratix10_perip_cnt_clock *clks,
int nums, struct stratix10_clock_data *data)
{
- struct clk *clk;
+ struct clk_hw *hw_clk;
void __iomem *base = data->base;
int i;
for (i = 0; i < nums; i++) {
- clk = s10_register_cnt_periph(&clks[i], base);
- if (IS_ERR(clk)) {
+ hw_clk = s10_register_cnt_periph(&clks[i], base);
+ if (IS_ERR(hw_clk)) {
pr_err("%s: failed to register clock %s\n",
__func__, clks[i].name);
continue;
}
- data->clk_data.clks[clks[i].id] = clk;
+ data->clk_data.hws[clks[i].id] = hw_clk;
}
return 0;
@@ -313,18 +313,18 @@ static int s10_clk_register_cnt_perip(const struct stratix10_perip_cnt_clock *cl
static int s10_clk_register_gate(const struct stratix10_gate_clock *clks,
int nums, struct stratix10_clock_data *data)
{
- struct clk *clk;
+ struct clk_hw *hw_clk;
void __iomem *base = data->base;
int i;
for (i = 0; i < nums; i++) {
- clk = s10_register_gate(&clks[i], base);
- if (IS_ERR(clk)) {
+ hw_clk = s10_register_gate(&clks[i], base);
+ if (IS_ERR(hw_clk)) {
pr_err("%s: failed to register clock %s\n",
__func__, clks[i].name);
continue;
}
- data->clk_data.clks[clks[i].id] = clk;
+ data->clk_data.hws[clks[i].id] = hw_clk;
}
return 0;
@@ -333,62 +333,50 @@ static int s10_clk_register_gate(const struct stratix10_gate_clock *clks,
static int s10_clk_register_pll(const struct stratix10_pll_clock *clks,
int nums, struct stratix10_clock_data *data)
{
- struct clk *clk;
+ struct clk_hw *hw_clk;
void __iomem *base = data->base;
int i;
for (i = 0; i < nums; i++) {
- clk = s10_register_pll(&clks[i], base);
- if (IS_ERR(clk)) {
+ hw_clk = s10_register_pll(&clks[i], base);
+ if (IS_ERR(hw_clk)) {
pr_err("%s: failed to register clock %s\n",
__func__, clks[i].name);
continue;
}
- data->clk_data.clks[clks[i].id] = clk;
+ data->clk_data.hws[clks[i].id] = hw_clk;
}
return 0;
}
-static struct stratix10_clock_data *__socfpga_s10_clk_init(struct platform_device *pdev,
- int nr_clks)
+static int s10_clkmgr_init(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
struct device *dev = &pdev->dev;
struct stratix10_clock_data *clk_data;
- struct clk **clk_table;
struct resource *res;
void __iomem *base;
+ int i, num_clks;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
base = devm_ioremap_resource(dev, res);
if (IS_ERR(base)) {
pr_err("%s: failed to map clock registers\n", __func__);
- return ERR_CAST(base);
+ return PTR_ERR(base);
}
- clk_data = devm_kzalloc(dev, sizeof(*clk_data), GFP_KERNEL);
+ num_clks = STRATIX10_NUM_CLKS;
+ clk_data = devm_kzalloc(dev, struct_size(clk_data, clk_data.hws,
+ num_clks), GFP_KERNEL);
if (!clk_data)
- return ERR_PTR(-ENOMEM);
+ return -ENOMEM;
- clk_data->base = base;
- clk_table = devm_kcalloc(dev, nr_clks, sizeof(*clk_table), GFP_KERNEL);
- if (!clk_table)
- return ERR_PTR(-ENOMEM);
-
- clk_data->clk_data.clks = clk_table;
- clk_data->clk_data.clk_num = nr_clks;
- of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data->clk_data);
- return clk_data;
-}
+ for (i = 0; i < num_clks; i++)
+ clk_data->clk_data.hws[i] = ERR_PTR(-ENOENT);
-static int s10_clkmgr_init(struct platform_device *pdev)
-{
- struct stratix10_clock_data *clk_data;
-
- clk_data = __socfpga_s10_clk_init(pdev, STRATIX10_NUM_CLKS);
- if (IS_ERR(clk_data))
- return PTR_ERR(clk_data);
+ clk_data->base = base;
+ clk_data->clk_data.num = num_clks;
s10_clk_register_pll(s10_pll_clks, ARRAY_SIZE(s10_pll_clks), clk_data);
@@ -401,6 +389,8 @@ static int s10_clkmgr_init(struct platform_device *pdev)
s10_clk_register_gate(s10_gate_clks, ARRAY_SIZE(s10_gate_clks),
clk_data);
+
+ of_clk_add_hw_provider(np, of_clk_hw_onecell_get, &clk_data->clk_data);
return 0;
}
diff --git a/drivers/clk/socfpga/stratix10-clk.h b/drivers/clk/socfpga/stratix10-clk.h
index 420deed677ce..61eaf3a41fbb 100644
--- a/drivers/clk/socfpga/stratix10-clk.h
+++ b/drivers/clk/socfpga/stratix10-clk.h
@@ -7,7 +7,7 @@
#define __STRATIX10_CLK_H
struct stratix10_clock_data {
- struct clk_onecell_data clk_data;
+ struct clk_hw_onecell_data clk_data;
void __iomem *base;
};
@@ -71,18 +71,18 @@ struct stratix10_gate_clock {
u8 fixed_div;
};
-struct clk *s10_register_pll(const struct stratix10_pll_clock *,
- void __iomem *);
-struct clk *agilex_register_pll(const struct stratix10_pll_clock *,
- void __iomem *);
-struct clk *n5x_register_pll(const struct stratix10_pll_clock *clks,
+struct clk_hw *s10_register_pll(const struct stratix10_pll_clock *clks,
void __iomem *reg);
-struct clk *s10_register_periph(const struct stratix10_perip_c_clock *,
+struct clk_hw *agilex_register_pll(const struct stratix10_pll_clock *clks,
void __iomem *reg);
-struct clk *n5x_register_periph(const struct n5x_perip_c_clock *clks,
+struct clk_hw *n5x_register_pll(const struct stratix10_pll_clock *clks,
+ void __iomem *reg);
+struct clk_hw *s10_register_periph(const struct stratix10_perip_c_clock *clks,
+ void __iomem *reg);
+struct clk_hw *n5x_register_periph(const struct n5x_perip_c_clock *clks,
void __iomem *reg);
-struct clk *s10_register_cnt_periph(const struct stratix10_perip_cnt_clock *,
- void __iomem *);
-struct clk *s10_register_gate(const struct stratix10_gate_clock *,
- void __iomem *);
+struct clk_hw *s10_register_cnt_periph(const struct stratix10_perip_cnt_clock *clks,
+ void __iomem *reg);
+struct clk_hw *s10_register_gate(const struct stratix10_gate_clock *clks,
+ void __iomem *reg);
#endif /* __STRATIX10_CLK_H */
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-02 10:54:46 +0300