@@ -8,6 +8,9 @@
#include <dm.h>
#include <linux/clk-provider.h>
+#define UBOOT_DM_CLK_FIXED_RATE "fixed_rate_clock"
+#define UBOOT_DM_CLK_FIXED_RATE_RAW "fixed_rate_raw_clock"
+
static ulong clk_fixed_rate_get_rate(struct clk *clk)
{
return to_clk_fixed_rate(clk->dev)->fixed_rate;
@@ -24,6 +27,15 @@ const struct clk_ops clk_fixed_rate_ops = {
.enable = dummy_enable,
};
+static ulong clk_fixed_rate_raw_get_rate(struct clk *clk)
+{
+ return container_of(clk, struct clk_fixed_rate, clk)->fixed_rate;
+}
+
+const struct clk_ops clk_fixed_rate_raw_ops = {
+ .get_rate = clk_fixed_rate_raw_get_rate,
+};
+
static int clk_fixed_rate_ofdata_to_platdata(struct udevice *dev)
{
struct clk *clk = &to_clk_fixed_rate(dev)->clk;
@@ -39,6 +51,30 @@ static int clk_fixed_rate_ofdata_to_platdata(struct udevice *dev)
return 0;
}
+struct clk *clk_register_fixed_rate(struct device *dev, const char *name,
+ ulong rate)
+{
+ struct clk *clk;
+ struct clk_fixed_rate *fixed;
+ int ret;
+
+ fixed = kzalloc(sizeof(*fixed), GFP_KERNEL);
+ if (!fixed)
+ return ERR_PTR(-ENOMEM);
+
+ fixed->fixed_rate = rate;
+
+ clk = &fixed->clk;
+
+ ret = clk_register(clk, UBOOT_DM_CLK_FIXED_RATE_RAW, name, NULL);
+ if (ret) {
+ kfree(fixed);
+ return ERR_PTR(ret);
+ }
+
+ return clk;
+}
+
static const struct udevice_id clk_fixed_rate_match[] = {
{
.compatible = "fixed-clock",
@@ -47,7 +83,7 @@ static const struct udevice_id clk_fixed_rate_match[] = {
};
U_BOOT_DRIVER(clk_fixed_rate) = {
- .name = "fixed_rate_clock",
+ .name = UBOOT_DM_CLK_FIXED_RATE,
.id = UCLASS_CLK,
.of_match = clk_fixed_rate_match,
.ofdata_to_platdata = clk_fixed_rate_ofdata_to_platdata,
@@ -55,3 +91,10 @@ U_BOOT_DRIVER(clk_fixed_rate) = {
.ops = &clk_fixed_rate_ops,
.flags = DM_FLAG_PRE_RELOC,
};
+
+U_BOOT_DRIVER(clk_fixed_rate_raw) = {
+ .name = UBOOT_DM_CLK_FIXED_RATE_RAW,
+ .id = UCLASS_CLK,
+ .ops = &clk_fixed_rate_raw_ops,
+ .flags = DM_FLAG_PRE_RELOC,
+};
@@ -186,6 +186,9 @@ struct clk *clk_register_mux(struct device *dev, const char *name,
void __iomem *reg, u8 shift, u8 width,
u8 clk_mux_flags);
+struct clk *clk_register_fixed_rate(struct device *dev, const char *name,
+ ulong rate);
+
const char *clk_hw_get_name(const struct clk *hw);
ulong clk_generic_get_rate(struct clk *clk);