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-rw-r--r--drivers/clk/clk-ast2600.c7
-rw-r--r--drivers/clk/clk-fixed-factor.c103
-rw-r--r--drivers/clk/keystone/sci-clk.c10
-rw-r--r--drivers/clk/sunxi/clk-a20-gmac.c21
-rw-r--r--drivers/clk/sunxi/clk-sun9i-cpus.c7
-rw-r--r--drivers/clk/sunxi/clk-usb.c9
6 files changed, 123 insertions, 34 deletions
diff --git a/drivers/clk/clk-ast2600.c b/drivers/clk/clk-ast2600.c
index 909c3137c428..faf88324f7b1 100644
--- a/drivers/clk/clk-ast2600.c
+++ b/drivers/clk/clk-ast2600.c
@@ -19,7 +19,7 @@
* This includes the gates (configured from aspeed_g6_gates), plus the
* explicitly-configured clocks (ASPEED_CLK_HPLL and up).
*/
-#define ASPEED_G6_NUM_CLKS 72
+#define ASPEED_G6_NUM_CLKS 73
#define ASPEED_G6_SILICON_REV 0x014
#define CHIP_REVISION_ID GENMASK(23, 16)
@@ -157,7 +157,7 @@ static const struct aspeed_gate_data aspeed_g6_gates[] = {
[ASPEED_CLK_GATE_UART11CLK] = { 59, -1, "uart11clk-gate", "uartx", 0 }, /* UART11 */
[ASPEED_CLK_GATE_UART12CLK] = { 60, -1, "uart12clk-gate", "uartx", 0 }, /* UART12 */
[ASPEED_CLK_GATE_UART13CLK] = { 61, -1, "uart13clk-gate", "uartx", 0 }, /* UART13 */
- [ASPEED_CLK_GATE_FSICLK] = { 62, 59, "fsiclk-gate", NULL, 0 }, /* FSI */
+ [ASPEED_CLK_GATE_FSICLK] = { 62, 59, "fsiclk-gate", "fsiclk", 0 }, /* FSI */
};
static const struct clk_div_table ast2600_eclk_div_table[] = {
@@ -821,6 +821,9 @@ static void __init aspeed_g6_cc(struct regmap *map)
hw = clk_hw_register_fixed_factor(NULL, "i3cclk", "apll", 0, 1, 8);
aspeed_g6_clk_data->hws[ASPEED_CLK_I3C] = hw;
+
+ hw = clk_hw_register_fixed_factor(NULL, "fsiclk", "apll", 0, 1, 4);
+ aspeed_g6_clk_data->hws[ASPEED_CLK_FSI] = hw;
};
static void __init aspeed_g6_cc_init(struct device_node *np)
diff --git a/drivers/clk/clk-fixed-factor.c b/drivers/clk/clk-fixed-factor.c
index b3e66202b942..fe0500a1af3e 100644
--- a/drivers/clk/clk-fixed-factor.c
+++ b/drivers/clk/clk-fixed-factor.c
@@ -57,10 +57,22 @@ static int clk_factor_set_rate(struct clk_hw *hw, unsigned long rate,
return 0;
}
+static unsigned long clk_factor_recalc_accuracy(struct clk_hw *hw,
+ unsigned long parent_accuracy)
+{
+ struct clk_fixed_factor *fix = to_clk_fixed_factor(hw);
+
+ if (fix->flags & CLK_FIXED_FACTOR_FIXED_ACCURACY)
+ return fix->acc;
+
+ return parent_accuracy;
+}
+
const struct clk_ops clk_fixed_factor_ops = {
.round_rate = clk_factor_round_rate,
.set_rate = clk_factor_set_rate,
.recalc_rate = clk_factor_recalc_rate,
+ .recalc_accuracy = clk_factor_recalc_accuracy,
};
EXPORT_SYMBOL_GPL(clk_fixed_factor_ops);
@@ -79,13 +91,12 @@ static void devm_clk_hw_register_fixed_factor_release(struct device *dev, void *
static struct clk_hw *
__clk_hw_register_fixed_factor(struct device *dev, struct device_node *np,
const char *name, const char *parent_name,
- const struct clk_hw *parent_hw, int index,
+ const struct clk_hw *parent_hw, const struct clk_parent_data *pdata,
unsigned long flags, unsigned int mult, unsigned int div,
- bool devm)
+ unsigned long acc, unsigned int fixflags, bool devm)
{
struct clk_fixed_factor *fix;
struct clk_init_data init = { };
- struct clk_parent_data pdata = { .index = index };
struct clk_hw *hw;
int ret;
@@ -105,6 +116,8 @@ __clk_hw_register_fixed_factor(struct device *dev, struct device_node *np,
fix->mult = mult;
fix->div = div;
fix->hw.init = &init;
+ fix->acc = acc;
+ fix->flags = fixflags;
init.name = name;
init.ops = &clk_fixed_factor_ops;
@@ -114,7 +127,7 @@ __clk_hw_register_fixed_factor(struct device *dev, struct device_node *np,
else if (parent_hw)
init.parent_hws = &parent_hw;
else
- init.parent_data = &pdata;
+ init.parent_data = pdata;
init.num_parents = 1;
hw = &fix->hw;
@@ -151,8 +164,10 @@ struct clk_hw *devm_clk_hw_register_fixed_factor_index(struct device *dev,
const char *name, unsigned int index, unsigned long flags,
unsigned int mult, unsigned int div)
{
- return __clk_hw_register_fixed_factor(dev, NULL, name, NULL, NULL, index,
- flags, mult, div, true);
+ const struct clk_parent_data pdata = { .index = index };
+
+ return __clk_hw_register_fixed_factor(dev, NULL, name, NULL, NULL, &pdata,
+ flags, mult, div, 0, 0, true);
}
EXPORT_SYMBOL_GPL(devm_clk_hw_register_fixed_factor_index);
@@ -173,8 +188,10 @@ struct clk_hw *devm_clk_hw_register_fixed_factor_parent_hw(struct device *dev,
const char *name, const struct clk_hw *parent_hw,
unsigned long flags, unsigned int mult, unsigned int div)
{
+ const struct clk_parent_data pdata = { .index = -1 };
+
return __clk_hw_register_fixed_factor(dev, NULL, name, NULL, parent_hw,
- -1, flags, mult, div, true);
+ &pdata, flags, mult, div, 0, 0, true);
}
EXPORT_SYMBOL_GPL(devm_clk_hw_register_fixed_factor_parent_hw);
@@ -182,9 +199,10 @@ struct clk_hw *clk_hw_register_fixed_factor_parent_hw(struct device *dev,
const char *name, const struct clk_hw *parent_hw,
unsigned long flags, unsigned int mult, unsigned int div)
{
- return __clk_hw_register_fixed_factor(dev, NULL, name, NULL,
- parent_hw, -1, flags, mult, div,
- false);
+ const struct clk_parent_data pdata = { .index = -1 };
+
+ return __clk_hw_register_fixed_factor(dev, NULL, name, NULL, parent_hw,
+ &pdata, flags, mult, div, 0, 0, false);
}
EXPORT_SYMBOL_GPL(clk_hw_register_fixed_factor_parent_hw);
@@ -192,11 +210,37 @@ struct clk_hw *clk_hw_register_fixed_factor(struct device *dev,
const char *name, const char *parent_name, unsigned long flags,
unsigned int mult, unsigned int div)
{
- return __clk_hw_register_fixed_factor(dev, NULL, name, parent_name, NULL, -1,
- flags, mult, div, false);
+ const struct clk_parent_data pdata = { .index = -1 };
+
+ return __clk_hw_register_fixed_factor(dev, NULL, name, parent_name, NULL,
+ &pdata, flags, mult, div, 0, 0, false);
}
EXPORT_SYMBOL_GPL(clk_hw_register_fixed_factor);
+struct clk_hw *clk_hw_register_fixed_factor_fwname(struct device *dev,
+ struct device_node *np, const char *name, const char *fw_name,
+ unsigned long flags, unsigned int mult, unsigned int div)
+{
+ const struct clk_parent_data pdata = { .index = -1, .fw_name = fw_name };
+
+ return __clk_hw_register_fixed_factor(dev, np, name, NULL, NULL,
+ &pdata, flags, mult, div, 0, 0, false);
+}
+EXPORT_SYMBOL_GPL(clk_hw_register_fixed_factor_fwname);
+
+struct clk_hw *clk_hw_register_fixed_factor_with_accuracy_fwname(struct device *dev,
+ struct device_node *np, const char *name, const char *fw_name,
+ unsigned long flags, unsigned int mult, unsigned int div,
+ unsigned long acc)
+{
+ const struct clk_parent_data pdata = { .index = -1, .fw_name = fw_name };
+
+ return __clk_hw_register_fixed_factor(dev, np, name, NULL, NULL,
+ &pdata, flags, mult, div, acc,
+ CLK_FIXED_FACTOR_FIXED_ACCURACY, false);
+}
+EXPORT_SYMBOL_GPL(clk_hw_register_fixed_factor_with_accuracy_fwname);
+
struct clk *clk_register_fixed_factor(struct device *dev, const char *name,
const char *parent_name, unsigned long flags,
unsigned int mult, unsigned int div)
@@ -239,16 +283,43 @@ struct clk_hw *devm_clk_hw_register_fixed_factor(struct device *dev,
const char *name, const char *parent_name, unsigned long flags,
unsigned int mult, unsigned int div)
{
- return __clk_hw_register_fixed_factor(dev, NULL, name, parent_name, NULL, -1,
- flags, mult, div, true);
+ const struct clk_parent_data pdata = { .index = -1 };
+
+ return __clk_hw_register_fixed_factor(dev, NULL, name, parent_name, NULL,
+ &pdata, flags, mult, div, 0, 0, true);
}
EXPORT_SYMBOL_GPL(devm_clk_hw_register_fixed_factor);
+struct clk_hw *devm_clk_hw_register_fixed_factor_fwname(struct device *dev,
+ struct device_node *np, const char *name, const char *fw_name,
+ unsigned long flags, unsigned int mult, unsigned int div)
+{
+ const struct clk_parent_data pdata = { .index = -1, .fw_name = fw_name };
+
+ return __clk_hw_register_fixed_factor(dev, np, name, NULL, NULL,
+ &pdata, flags, mult, div, 0, 0, true);
+}
+EXPORT_SYMBOL_GPL(devm_clk_hw_register_fixed_factor_fwname);
+
+struct clk_hw *devm_clk_hw_register_fixed_factor_with_accuracy_fwname(struct device *dev,
+ struct device_node *np, const char *name, const char *fw_name,
+ unsigned long flags, unsigned int mult, unsigned int div,
+ unsigned long acc)
+{
+ const struct clk_parent_data pdata = { .index = -1, .fw_name = fw_name };
+
+ return __clk_hw_register_fixed_factor(dev, np, name, NULL, NULL,
+ &pdata, flags, mult, div, acc,
+ CLK_FIXED_FACTOR_FIXED_ACCURACY, true);
+}
+EXPORT_SYMBOL_GPL(devm_clk_hw_register_fixed_factor_with_accuracy_fwname);
+
#ifdef CONFIG_OF
static struct clk_hw *_of_fixed_factor_clk_setup(struct device_node *node)
{
struct clk_hw *hw;
const char *clk_name = node->name;
+ const struct clk_parent_data pdata = { .index = 0 };
u32 div, mult;
int ret;
@@ -266,8 +337,8 @@ static struct clk_hw *_of_fixed_factor_clk_setup(struct device_node *node)
of_property_read_string(node, "clock-output-names", &clk_name);
- hw = __clk_hw_register_fixed_factor(NULL, node, clk_name, NULL, NULL, 0,
- 0, mult, div, false);
+ hw = __clk_hw_register_fixed_factor(NULL, node, clk_name, NULL, NULL,
+ &pdata, 0, mult, div, 0, 0, false);
if (IS_ERR(hw)) {
/*
* Clear OF_POPULATED flag so that clock registration can be
diff --git a/drivers/clk/keystone/sci-clk.c b/drivers/clk/keystone/sci-clk.c
index a96036dc0068..5cefc30a843e 100644
--- a/drivers/clk/keystone/sci-clk.c
+++ b/drivers/clk/keystone/sci-clk.c
@@ -516,6 +516,7 @@ static int ti_sci_scan_clocks_from_dt(struct sci_clk_provider *provider)
struct sci_clk *sci_clk, *prev;
int num_clks = 0;
int num_parents;
+ bool state;
int clk_id;
const char * const clk_names[] = {
"clocks", "assigned-clocks", "assigned-clock-parents", NULL
@@ -586,6 +587,15 @@ static int ti_sci_scan_clocks_from_dt(struct sci_clk_provider *provider)
clk_id = args.args[1] + 1;
while (num_parents--) {
+ /* Check if this clock id is valid */
+ ret = provider->ops->is_auto(provider->sci,
+ sci_clk->dev_id, clk_id, &state);
+
+ if (ret) {
+ clk_id++;
+ continue;
+ }
+
sci_clk = devm_kzalloc(dev,
sizeof(*sci_clk),
GFP_KERNEL);
diff --git a/drivers/clk/sunxi/clk-a20-gmac.c b/drivers/clk/sunxi/clk-a20-gmac.c
index 0b09230a0d4e..43080c7d045b 100644
--- a/drivers/clk/sunxi/clk-a20-gmac.c
+++ b/drivers/clk/sunxi/clk-a20-gmac.c
@@ -15,8 +15,19 @@
static DEFINE_SPINLOCK(gmac_lock);
+
+#define SUN7I_A20_GMAC_GPIT 2
+#define SUN7I_A20_GMAC_MASK 0x3
+#define SUN7I_A20_GMAC_PARENTS 2
+
+static u32 sun7i_a20_gmac_mux_table[SUN7I_A20_GMAC_PARENTS] = {
+ 0x00, /* Select mii_phy_tx_clk */
+ 0x02, /* Select gmac_int_tx_clk */
+};
+
/**
* sun7i_a20_gmac_clk_setup - Setup function for A20/A31 GMAC clock module
+ * @node: &struct device_node for the clock
*
* This clock looks something like this
* ________________________
@@ -39,16 +50,6 @@ static DEFINE_SPINLOCK(gmac_lock);
* enable/disable this clock to configure the required state. The clock
* driver then responds by auto-reparenting the clock.
*/
-
-#define SUN7I_A20_GMAC_GPIT 2
-#define SUN7I_A20_GMAC_MASK 0x3
-#define SUN7I_A20_GMAC_PARENTS 2
-
-static u32 sun7i_a20_gmac_mux_table[SUN7I_A20_GMAC_PARENTS] = {
- 0x00, /* Select mii_phy_tx_clk */
- 0x02, /* Select gmac_int_tx_clk */
-};
-
static void __init sun7i_a20_gmac_clk_setup(struct device_node *node)
{
struct clk *clk;
diff --git a/drivers/clk/sunxi/clk-sun9i-cpus.c b/drivers/clk/sunxi/clk-sun9i-cpus.c
index 01255d827fc9..48bf899bb2bc 100644
--- a/drivers/clk/sunxi/clk-sun9i-cpus.c
+++ b/drivers/clk/sunxi/clk-sun9i-cpus.c
@@ -18,9 +18,6 @@
static DEFINE_SPINLOCK(sun9i_a80_cpus_lock);
-/**
- * sun9i_a80_cpus_clk_setup() - Setup function for a80 cpus composite clk
- */
#define SUN9I_CPUS_MAX_PARENTS 4
#define SUN9I_CPUS_MUX_PARENT_PLL4 3
@@ -180,6 +177,10 @@ static const struct clk_ops sun9i_a80_cpus_clk_ops = {
.set_rate = sun9i_a80_cpus_clk_set_rate,
};
+/**
+ * sun9i_a80_cpus_setup() - Setup function for a80 cpus composite clk
+ * @node: &struct device_node for the clock
+ */
static void sun9i_a80_cpus_setup(struct device_node *node)
{
const char *clk_name = node->name;
diff --git a/drivers/clk/sunxi/clk-usb.c b/drivers/clk/sunxi/clk-usb.c
index 5460218f3467..3c53f65002a2 100644
--- a/drivers/clk/sunxi/clk-usb.c
+++ b/drivers/clk/sunxi/clk-usb.c
@@ -73,9 +73,6 @@ static const struct reset_control_ops sunxi_usb_reset_ops = {
.deassert = sunxi_usb_reset_deassert,
};
-/**
- * sunxi_usb_clk_setup() - Setup function for usb gate clocks
- */
#define SUNXI_USB_MAX_SIZE 32
@@ -85,6 +82,12 @@ struct usb_clk_data {
bool reset_needs_clk;
};
+/**
+ * sunxi_usb_clk_setup() - Setup function for usb gate clocks
+ * @node: &struct device_node for the clock
+ * @data: &struct usb_clk_data for the clock
+ * @lock: spinlock for the clock
+ */
static void __init sunxi_usb_clk_setup(struct device_node *node,
const struct usb_clk_data *data,
spinlock_t *lock)