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authorTom Rini <trini@konsulko.com>2016-10-07 22:02:10 -0400
committerTom Rini <trini@konsulko.com>2016-10-08 09:33:37 -0400
commitf5fd45ff64e28a73499548358e3d1ceda0de7daf (patch)
treeec595a705a2ec1f256c5c83b4e4ee7427aec58f4 /drivers/power/pmic/rn5t567.c
parent1f957708072e153637718497f7a1a6e364220337 (diff)
parent3dddc793e0114eb7dfc68b98a4316644d4031fcb (diff)
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Merge branch 'master' of git://www.denx.de/git/u-boot-imx
Diffstat (limited to 'drivers/power/pmic/rn5t567.c')
-rw-r--r--drivers/power/pmic/rn5t567.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/power/pmic/rn5t567.c b/drivers/power/pmic/rn5t567.c
new file mode 100644
index 0000000..001e695
--- /dev/null
+++ b/drivers/power/pmic/rn5t567.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2016 Toradex AG
+ * Stefan Agner <stefan.agner@toradex.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <fdtdec.h>
+#include <libfdt.h>
+#include <power/rn5t567_pmic.h>
+#include <power/pmic.h>
+
+static int rn5t567_reg_count(struct udevice *dev)
+{
+ return RN5T567_NUM_OF_REGS;
+}
+
+static int rn5t567_write(struct udevice *dev, uint reg, const uint8_t *buff,
+ int len)
+{
+ int ret;
+
+ ret = dm_i2c_write(dev, reg, buff, len);
+ if (ret) {
+ debug("write error to device: %p register: %#x!", dev, reg);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int rn5t567_read(struct udevice *dev, uint reg, uint8_t *buff, int len)
+{
+ int ret;
+
+ ret = dm_i2c_read(dev, reg, buff, len);
+ if (ret) {
+ debug("read error from device: %p register: %#x!", dev, reg);
+ return ret;
+ }
+
+ return 0;
+}
+
+static struct dm_pmic_ops rn5t567_ops = {
+ .reg_count = rn5t567_reg_count,
+ .read = rn5t567_read,
+ .write = rn5t567_write,
+};
+
+static const struct udevice_id rn5t567_ids[] = {
+ { .compatible = "ricoh,rn5t567" },
+ { }
+};
+
+U_BOOT_DRIVER(pmic_rn5t567) = {
+ .name = "rn5t567 pmic",
+ .id = UCLASS_PMIC,
+ .of_match = rn5t567_ids,
+ .ops = &rn5t567_ops,
+};