s5pc210: universal: support 2nd pmic (MAX8952)

diff --git a/board/samsung/universal_c210/universal.c b/board/samsung/universal_c210/universal.c
index 6782a8c..f4388be 100644 (file)
--- a/board/samsung/universal_c210/universal.c
+++ b/board/samsung/universal_c210/universal.c
@@ -201,7 +201,21 @@ static int lp3974_probe(void)
        return 0;
 }
 
-static void init_pmic(void)
+static int max8952_probe(void)
+{
+       unsigned char addr = 0xC0 >> 1;
+
+       i2c_set_bus_num(I2C_5);
+
+       if (i2c_probe(addr)) {
+               puts("Cannot find MAX8952\n");
+               return 1;
+       }
+
+       return 0;
+}
+
+static void init_pmic_lp3974(void)
 {
        unsigned char addr;
        unsigned char val[2];
@@ -247,13 +261,49 @@ static void init_pmic(void)
        i2c_read(addr, LP3974_REG_ONOFF3, 1, val, 1);
 }
 
+static void init_pmic_max8952(void)
+{
+       unsigned char addr;
+       unsigned char val[2];
+       char buf[4];
+
+       addr = 0xC0 >> 1; /* MAX8952 */
+       if (max8952_probe())
+               return;
+
+       /* VARM_OUTPUT_SEL_A / VID_0 / XEINT_3 (GPX0[3]) = default 0 */
+       gpio_direction_output(&gpio2->gpio_x0, 3, 0);
+       /* VARM_OUTPUT_SEL_B / VID_1 / XEINT_4 (GPX0[4]) = default 0 */
+       gpio_direction_output(&gpio2->gpio_x0, 4, 0);
+
+       /* MODE0: 1.25V */
+       val[0] = 48;
+       i2c_write(addr, 0x00, 1, val, 1);
+       /* MODE1: 1.20V */
+       val[0] = 32;
+       i2c_write(addr, 0x01, 1, val, 1);
+       /* MODE2: 1.05V */
+       val[0] = 28;
+       i2c_write(addr, 0x02, 1, val, 1);
+       /* MODE3: 0.95V */
+       val[0] = 18;
+       i2c_write(addr, 0x03, 1, val, 1);
+
+       /* CONTROL: Disable PULL_DOWN */
+       val[0] = 0;
+       i2c_write(addr, 0x04, 1, val, 1);
+
+       /* SYNC: Do Nothing */
+       /* RAMP: As Fast As Possible: Default: Do Nothing */
+}
+
 #ifdef CONFIG_MISC_INIT_R
 int misc_init_r(void)
 {
        check_auto_burn();
 
-       /* check lp3974 */
-       init_pmic();
+       init_pmic_lp3974();
+       init_pmic_max8952();
 
        return 0;
 }