power: Add new PMIC PCA9450 driver
PCA9450 PMIC series is used to support iMX8MM (PCA9450A) and
iMX8MN (PCA9450B). Add the PMIC driver for both PCA9450A and PCA9450B.
Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/drivers/power/pmic/pmic_pca9450.c b/drivers/power/pmic/pmic_pca9450.c
new file mode 100644
index 0000000..67a9090
--- /dev/null
+++ b/drivers/power/pmic/pmic_pca9450.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2019 NXP
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <i2c.h>
+#include <power/pmic.h>
+#include <power/pca9450.h>
+
+static const char pca9450_name[] = "PCA9450";
+
+int power_pca9450a_init(unsigned char bus)
+{
+ struct pmic *p = pmic_alloc();
+
+ if (!p) {
+ printf("%s: POWER allocation error!\n", __func__);
+ return -ENOMEM;
+ }
+
+ p->name = pca9450_name;
+ p->interface = PMIC_I2C;
+ p->number_of_regs = PCA9450_REG_NUM;
+ p->hw.i2c.addr = 0x35;
+ p->hw.i2c.tx_num = 1;
+ p->bus = bus;
+
+ return 0;
+}
+
+int power_pca9450b_init(unsigned char bus)
+{
+ struct pmic *p = pmic_alloc();
+
+ if (!p) {
+ printf("%s: POWER allocation error!\n", __func__);
+ return -ENOMEM;
+ }
+
+ p->name = pca9450_name;
+ p->interface = PMIC_I2C;
+ p->number_of_regs = PCA9450_REG_NUM;
+ p->hw.i2c.addr = 0x25;
+ p->hw.i2c.tx_num = 1;
+ p->bus = bus;
+
+ return 0;
+}