On Thu, Jan 3, 2013 at 9:38 PM, Rajeshwari Shinde rajeshwari.s@samsung.com wrote:
This patch adds fdt support to MAX77686.
Signed-off-by: Rajeshwari Shinde rajeshwari.s@samsung.com
Acked-by: Simon Glass sjg@chromium.org
Changes in V2: - Corrected indentation errors. Changes in V3: - Rebased on top of the latest implementation of PMIC Changes in V4: - Corrected PMIC register address drivers/power/pmic/pmic_max77686.c | 37 +++++++++++++++++++++++++++++++++-- 1 files changed, 34 insertions(+), 3 deletions(-)
diff --git a/drivers/power/pmic/pmic_max77686.c b/drivers/power/pmic/pmic_max77686.c index fce0183..a1ee04e 100644 --- a/drivers/power/pmic/pmic_max77686.c +++ b/drivers/power/pmic/pmic_max77686.c @@ -22,10 +22,14 @@ */
#include <common.h> +#include <fdtdec.h> +#include <i2c.h> #include <power/pmic.h> #include <power/max77686_pmic.h> #include <errno.h>
+DECLARE_GLOBAL_DATA_PTR;
int pmic_init(unsigned char bus) { static const char name[] = "MAX77686_PMIC"; @@ -36,13 +40,40 @@ int pmic_init(unsigned char bus) return -ENOMEM; }
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("PMIC: No node for PMIC Chip 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);if (p->bus < 0) {debug("%s: Cannot find I2C bus\n", __func__);return -1;}p->hw.i2c.addr = fdtdec_get_int(blob, node, "reg", 9);+#else
p->bus = bus;p->hw.i2c.addr = MAX77686_I2C_ADDR;+#endif
p->name = name; 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 = bus;
puts("Board PMIC init\n"); return 0;}
1.7.4.4