This patch adds fdt support to MAX77686.
Signed-off-by: Rajeshwari Shinde rajeshwari.s@samsung.com --- drivers/misc/pmic_max77686.c | 34 +++++++++++++++++++++++++++++----- 1 files changed, 29 insertions(+), 5 deletions(-)
diff --git a/drivers/misc/pmic_max77686.c b/drivers/misc/pmic_max77686.c index 36f7f4d..113d038 100644 --- a/drivers/misc/pmic_max77686.c +++ b/drivers/misc/pmic_max77686.c @@ -22,21 +22,45 @@ */
#include <common.h> +#include <fdtdec.h> +#include <i2c.h> #include <pmic.h> #include <max77686_pmic.h>
+DECLARE_GLOBAL_DATA_PTR; + int pmic_init(void) { struct pmic *p = get_pmic(); static const char name[] = "MAX77686_PMIC";
- puts("Board PMIC init\n"); + #ifdef CONFIG_OF_CONTROL + const void *blob = gd->fdt_blob; + int node, parent; + + node = fdtdec_next_compatible(blob, 0, COMPAT_MAXIM_MAX77686_PMIC); + if (node <= 0) { + debug("EXYNOS_SOUND: No node for codec in device tree\n"); + debug("node = %d\n", node); + return -1; + } + parent = fdt_parent_offset(blob, node); + if (parent < 0) { + debug("%s: Cannot find node parent\n", __func__); + return -1; + } + p->bus = i2c_get_bus_num_fdt(parent); + p->hw.i2c.addr = fdtdec_get_int(blob, node, + "reg", 0); + #else + p->bus = I2C_PMIC; + p->hw.i2c.addr = MAX77686_I2C_ADDR; + #endif + p->name = name; + p->hw.i2c.tx_num = 1; p->interface = PMIC_I2C; p->number_of_regs = PMIC_NUM_OF_REGS; - p->hw.i2c.addr = MAX77686_I2C_ADDR; - p->hw.i2c.tx_num = 1; - p->bus = I2C_PMIC; - + puts("Board PMIC init MAX77686\n"); return 0; }