This patch adds fdt support to MAX77686.
Signed-off-by: Rajeshwari Shinde <rajeshwar...@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;
}
--
1.7.4.4
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