1 files changed, 74 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/clk/clk_bcm6345.c b/roms/u-boot/drivers/clk/clk_bcm6345.c
new file mode 100644
index 000000000..8c22ed2f4
--- /dev/null
+++ b/roms/u-boot/drivers/clk/clk_bcm6345.c
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2017 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * Derived from linux/arch/mips/bcm63xx/clk.c:
+ *	Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
+ */
+
+#include <common.h>
+#include <clk-uclass.h>
+#include <dm.h>
+#include <errno.h>
+#include <asm/io.h>
+#include <linux/bitops.h>
+
+#define MAX_CLKS	32
+
+struct bcm6345_clk_priv {
+	void __iomem *regs;
+};
+
+static int bcm6345_clk_enable(struct clk *clk)
+{
+	struct bcm6345_clk_priv *priv = dev_get_priv(clk->dev);
+
+	if (clk->id >= MAX_CLKS)
+		return -EINVAL;
+
+	setbits_be32(priv->regs, BIT(clk->id));
+
+	return 0;
+}
+
+static int bcm6345_clk_disable(struct clk *clk)
+{
+	struct bcm6345_clk_priv *priv = dev_get_priv(clk->dev);
+
+	if (clk->id >= MAX_CLKS)
+		return -EINVAL;
+
+	clrbits_be32(priv->regs, BIT(clk->id));
+
+	return 0;
+}
+
+static struct clk_ops bcm6345_clk_ops = {
+	.disable = bcm6345_clk_disable,
+	.enable = bcm6345_clk_enable,
+};
+
+static const struct udevice_id bcm6345_clk_ids[] = {
+	{ .compatible = "brcm,bcm6345-clk" },
+	{ /* sentinel */ }
+};
+
+static int bcm63xx_clk_probe(struct udevice *dev)
+{
+	struct bcm6345_clk_priv *priv = dev_get_priv(dev);
+
+	priv->regs = dev_remap_addr(dev);
+	if (!priv->regs)
+		return -EINVAL;
+
+	return 0;
+}
+
+U_BOOT_DRIVER(clk_bcm6345) = {
+	.name = "clk_bcm6345",
+	.id = UCLASS_CLK,
+	.of_match = bcm6345_clk_ids,
+	.ops = &bcm6345_clk_ops,
+	.probe = bcm63xx_clk_probe,
+	.priv_auto	= sizeof(struct bcm6345_clk_priv),
+};