power: stpmu1: rename files to stpmic1

Prepare file modification for kernel alignment and
rename driver to stpmic1.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>

1 files changed, 95 insertions, 0 deletions

diff --git a/drivers/power/pmic/stpmic1.c b/drivers/power/pmic/stpmic1.c
new file mode 100644
index 0000000000..157ce8bfb6
--- /dev/null
+++ b/drivers/power/pmic/stpmic1.c
@@ -0,0 +1,95 @@
+// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
+/*
+ * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <i2c.h>
+#include <power/pmic.h>
+#include <power/stpmic1.h>
+
+#define STMPU1_NUM_OF_REGS 0x100
+
+#ifndef CONFIG_SPL_BUILD
+static const struct pmic_child_info stpmu1_children_info[] = {
+	{ .prefix = "ldo", .driver = "stpmu1_ldo" },
+	{ .prefix = "buck", .driver = "stpmu1_buck" },
+	{ .prefix = "vref_ddr", .driver = "stpmu1_vref_ddr" },
+	{ .prefix = "pwr_sw", .driver = "stpmu1_pwr_sw" },
+	{ .prefix = "boost", .driver = "stpmu1_boost" },
+	{ },
+};
+#endif /* CONFIG_SPL_BUILD */
+
+static int stpmu1_reg_count(struct udevice *dev)
+{
+	return STMPU1_NUM_OF_REGS;
+}
+
+static int stpmu1_write(struct udevice *dev, uint reg, const uint8_t *buff,
+			int len)
+{
+	int ret;
+
+	ret = dm_i2c_write(dev, reg, buff, len);
+	if (ret)
+		dev_err(dev, "%s: failed to write register %#x :%d",
+			__func__, reg, ret);
+
+	return ret;
+}
+
+static int stpmu1_read(struct udevice *dev, uint reg, uint8_t *buff, int len)
+{
+	int ret;
+
+	ret = dm_i2c_read(dev, reg, buff, len);
+	if (ret)
+		dev_err(dev, "%s: failed to read register %#x : %d",
+			__func__, reg, ret);
+
+	return ret;
+}
+
+static int stpmu1_bind(struct udevice *dev)
+{
+#ifndef CONFIG_SPL_BUILD
+	ofnode regulators_node;
+	int children;
+
+	regulators_node = dev_read_subnode(dev, "regulators");
+	if (!ofnode_valid(regulators_node)) {
+		dev_dbg(dev, "regulators subnode not found!\n");
+		return -ENXIO;
+	}
+	dev_dbg(dev, "found regulators subnode\n");
+
+	children = pmic_bind_children(dev, regulators_node,
+				      stpmu1_children_info);
+	if (!children)
+		dev_dbg(dev, "no child found\n");
+#endif /* CONFIG_SPL_BUILD */
+
+	return 0;
+}
+
+static struct dm_pmic_ops stpmu1_ops = {
+	.reg_count = stpmu1_reg_count,
+	.read = stpmu1_read,
+	.write = stpmu1_write,
+};
+
+static const struct udevice_id stpmu1_ids[] = {
+	{ .compatible = "st,stpmu1" },
+	{ }
+};
+
+U_BOOT_DRIVER(pmic_stpmu1) = {
+	.name = "stpmu1_pmic",
+	.id = UCLASS_PMIC,
+	.of_match = stpmu1_ids,
+	.bind = stpmu1_bind,
+	.ops = &stpmu1_ops,
+};