1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/power/pmic_fsl.c b/drivers/power/pmic_fsl.c
new file mode 100644
index 0000000..0275fd9
--- /dev/null
+++ b/drivers/power/pmic_fsl.c
@@ -0,0 +1,69 @@
+/*
+ *  Copyright (C) 2011 Samsung Electronics
+ *  Lukasz Majewski <l.majewski@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <spi.h>
+#include <power/pmic.h>
+#include <fsl_pmic.h>
+#include <errno.h>
+
+#if defined(CONFIG_PMIC_SPI)
+static u32 pmic_spi_prepare_tx(u32 reg, u32 *val, u32 write)
+{
+	return (write << 31) | (reg << 25) | (*val & 0x00FFFFFF);
+}
+#endif
+
+int pmic_init(unsigned char bus)
+{
+	static const char name[] = "FSL_PMIC";
+	struct pmic *p = pmic_alloc();
+
+	if (!p) {
+		printf("%s: POWER allocation error!\n", __func__);
+		return -ENOMEM;
+	}
+
+	p->name = name;
+	p->number_of_regs = PMIC_NUM_OF_REGS;
+
+#if defined(CONFIG_PMIC_SPI)
+	p->interface = PMIC_SPI;
+	p->bus = CONFIG_FSL_PMIC_BUS;
+	p->hw.spi.cs = CONFIG_FSL_PMIC_CS;
+	p->hw.spi.clk = CONFIG_FSL_PMIC_CLK;
+	p->hw.spi.mode = CONFIG_FSL_PMIC_MODE;
+	p->hw.spi.bitlen = CONFIG_FSL_PMIC_BITLEN;
+	p->hw.spi.flags = SPI_XFER_BEGIN | SPI_XFER_END;
+	p->hw.spi.prepare_tx = pmic_spi_prepare_tx;
+#elif defined(CONFIG_PMIC_I2C)
+	p->interface = PMIC_I2C;
+	p->hw.i2c.addr = CONFIG_SYS_FSL_PMIC_I2C_ADDR;
+	p->hw.i2c.tx_num = 3;
+	p->bus = bus;
+#else
+#error "You must select CONFIG_PMIC_SPI or CONFIG_PMIC_I2C"
+#endif
+
+	return 0;
+}