Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / drivers / power / power_fsl.c

diff --git a/qemu/roms/u-boot/drivers/power/power_fsl.c b/qemu/roms/u-boot/drivers/power/power_fsl.c
new file mode 100644 (file)
index 0000000..ac0b541
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/power/power_fsl.c
@@ -0,0 +1,58 @@
+/*
+ *  Copyright (C) 2011 Samsung Electronics
+ *  Lukasz Majewski <l.majewski@samsung.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <spi.h>
+#include <power/pmic.h>
+#include <fsl_pmic.h>
+#include <errno.h>
+
+#if defined(CONFIG_PMIC_FSL_MC13892)
+#define FSL_PMIC_I2C_LENGTH    3
+#elif defined(CONFIG_PMIC_FSL_MC34704)
+#define FSL_PMIC_I2C_LENGTH    1
+#endif
+
+#if defined(CONFIG_POWER_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;
+       p->bus = bus;
+
+#if defined(CONFIG_POWER_SPI)
+       p->interface = PMIC_SPI;
+       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_POWER_I2C)
+       p->interface = PMIC_I2C;
+       p->hw.i2c.addr = CONFIG_SYS_FSL_PMIC_I2C_ADDR;
+       p->hw.i2c.tx_num = FSL_PMIC_I2C_LENGTH;
+#else
+#error "You must select CONFIG_POWER_SPI or CONFIG_PMIC_I2C"
+#endif
+
+       return 0;
+}