]> git.sur5r.net Git - u-boot/blobdiff - board/freescale/common/pfuze.c
Merge branch 'master' of git://git.denx.de/u-boot-tegra
[u-boot] / board / freescale / common / pfuze.c
index 2cd17944298b91b49d7b330e4b3c23af1786e0c2..4980bf7b0089528db6f0dc5a4c45d4db99d4eaa5 100644 (file)
@@ -5,9 +5,47 @@
  */
 
 #include <common.h>
+#include <errno.h>
 #include <power/pmic.h>
 #include <power/pfuze100_pmic.h>
 
+int pfuze_mode_init(struct pmic *p, u32 mode)
+{
+       unsigned char offset, i, switch_num;
+       u32 id, ret;
+
+       pmic_reg_read(p, PFUZE100_DEVICEID, &id);
+       id = id & 0xf;
+
+       if (id == 0) {
+               switch_num = 6;
+               offset = PFUZE100_SW1CMODE;
+       } else if (id == 1) {
+               switch_num = 4;
+               offset = PFUZE100_SW2MODE;
+       } else {
+               printf("Not supported, id=%d\n", id);
+               return -EINVAL;
+       }
+
+       ret = pmic_reg_write(p, PFUZE100_SW1ABMODE, mode);
+       if (ret < 0) {
+               printf("Set SW1AB mode error!\n");
+               return ret;
+       }
+
+       for (i = 0; i < switch_num - 1; i++) {
+               ret = pmic_reg_write(p, offset + i * SWITCH_SIZE, mode);
+               if (ret < 0) {
+                       printf("Set switch 0x%x mode error!\n",
+                              offset + i * SWITCH_SIZE);
+                       return ret;
+               }
+       }
+
+       return ret;
+}
+
 struct pmic *pfuze_common_init(unsigned char i2cbus)
 {
        struct pmic *p;