clk: sandbox: Create a special fixed-rate driver
Create a version of this driver for sandbox so that it can use the
of-platdata struct.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/clk/clk_sandbox.c b/drivers/clk/clk_sandbox.c
index e1313f6..57acf7d 100644
--- a/drivers/clk/clk_sandbox.c
+++ b/drivers/clk/clk_sandbox.c
@@ -9,6 +9,7 @@
#include <errno.h>
#include <malloc.h>
#include <asm/clk.h>
+#include <linux/clk-provider.h>
static ulong sandbox_clk_get_rate(struct clk *clk)
{
@@ -171,3 +172,35 @@
return -EINVAL;
return priv->requested[id];
}
+
+int clk_fixed_rate_of_to_plat(struct udevice *dev)
+{
+ struct clk_fixed_rate *cplat;
+
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+ struct sandbox_clk_fixed_rate_plat *plat = dev_get_plat(dev);
+
+ cplat = &plat->fixed;
+ cplat->fixed_rate = plat->dtplat.clock_frequency;
+#else
+ cplat = to_clk_fixed_rate(dev);
+#endif
+ clk_fixed_rate_ofdata_to_plat_(dev, cplat);
+
+ return 0;
+}
+
+static const struct udevice_id sandbox_clk_fixed_rate_match[] = {
+ { .compatible = "sandbox,fixed-clock" },
+ { /* sentinel */ }
+};
+
+U_BOOT_DRIVER(sandbox_fixed_clock) = {
+ .name = "sandbox_fixed_clock",
+ .id = UCLASS_CLK,
+ .of_match = sandbox_clk_fixed_rate_match,
+ .of_to_plat = clk_fixed_rate_of_to_plat,
+ .plat_auto = sizeof(struct sandbox_clk_fixed_rate_plat),
+ .ops = &clk_fixed_rate_ops,
+ .flags = DM_FLAG_PRE_RELOC,
+};