#include <common.h>
#include <i2c.h>
+#include "../common/karo.h"
#include "pmic.h"
-#define RN5T567_NOETIMSET 0x11
-#define RN5T567_LDORTC1_SLOT 0x2a
-#define RN5T567_DC1CTL 0x2c
-#define RN5T567_DC1CTL2 0x2d
-#define RN5T567_DC2CTL 0x2e
-#define RN5T567_DC2CTL2 0x2f
-#define RN5T567_DC3CTL 0x30
-#define RN5T567_DC3CTL2 0x31
-#define RN5T567_DC1DAC 0x36 /* CORE */
-#define RN5T567_DC2DAC 0x37 /* SOC */
-#define RN5T567_DC3DAC 0x38 /* DDR */
-#define RN5T567_DC1DAC_SLP 0x3b
-#define RN5T567_DC2DAC_SLP 0x3c
-#define RN5T567_DC3DAC_SLP 0x3d
-#define RN5T567_LDOEN1 0x44
-#define RN5T567_LDODIS 0x46
-#define RN5T567_LDOEN2 0x48
-#define RN5T567_LDO3DAC 0x4e /* IO */
-#define RN5T567_LDORTC1DAC 0x56 /* VBACKUP */
-
-#define NOETIMSET_DIS_OFF_NOE_TIM (1 << 3)
-
-#define VDD_RTC_VAL mV_to_regval_rtc(3000 * 10)
-#define VDD_HIGH_VAL mV_to_regval3(3000 * 10)
-#define VDD_HIGH_VAL_LP mV_to_regval3(3000 * 10)
-#define VDD_CORE_VAL mV_to_regval(1425 * 10)
-#define VDD_CORE_VAL_LP mV_to_regval(900 * 10)
-#define VDD_SOC_VAL mV_to_regval(1425 * 10)
-#define VDD_SOC_VAL_LP mV_to_regval(900 * 10)
-#define VDD_DDR_VAL mV_to_regval(1500 * 10)
-#define VDD_DDR_VAL_LP mV_to_regval(1500 * 10)
-
-/* calculate voltages in 10mV */
-/* DCDC1-3 */
-#define mV_to_regval(mV) DIV_ROUND(((((mV) < 6000) ? 6000 : (mV)) - 6000), 125)
-#define regval_to_mV(v) (((v) * 125 + 6000))
-
-/* LDO1-2 */
-#define mV_to_regval2(mV) DIV_ROUND(((((mV) < 9000) ? 9000 : (mV)) - 9000), 250)
-#define regval2_to_mV(v) (((v) * 250 + 9000))
-
-/* LDO3 */
-#define mV_to_regval3(mV) DIV_ROUND(((((mV) < 6000) ? 6000 : (mV)) - 6000), 250)
-#define regval3_to_mV(v) (((v) * 250 + 6000))
-
-/* LDORTC */
-#define mV_to_regval_rtc(mV) DIV_ROUND(((((mV) < 17000) ? 17000 : (mV)) - 17000), 250)
-#define regval_rtc_to_mV(v) (((v) * 250 + 17000))
-
-static struct rn5t567_regs {
- u8 addr;
- u8 val;
- u8 mask;
-} rn5t567_regs[] = {
- { RN5T567_NOETIMSET, NOETIMSET_DIS_OFF_NOE_TIM | 0x5, },
-#if 0
- { RN5T567_DC1DAC, VDD_CORE_VAL, },
- { RN5T567_DC2DAC, VDD_SOC_VAL, },
- { RN5T567_DC3DAC, VDD_DDR_VAL, },
- { RN5T567_DC1DAC_SLP, VDD_CORE_VAL_LP, },
- { RN5T567_DC2DAC_SLP, VDD_SOC_VAL_LP, },
- { RN5T567_DC3DAC_SLP, VDD_DDR_VAL_LP, },
- { RN5T567_LDOEN1, 0x01f, ~0x1f, },
- { RN5T567_LDOEN2, 0x10, ~0x30, },
- { RN5T567_LDODIS, 0x00, },
- { RN5T567_LDO3DAC, VDD_HIGH_VAL, },
- { RN5T567_LDORTCDAC, VDD_RTC_VAL, },
- { RN5T567_LDORTC1_SLOT, 0x0f, ~0x3f, },
-#endif
-};
-
-static struct rn5t567_regs debug_regs[] __maybe_unused = {
- { 0x00, 4, },
- { 0x09, 4, },
- { 0x10, 16, },
- { 0x25, 26, },
- { 0x44, 3, },
- { 0x4c, 5, },
- { 0x56, 1, },
- { 0x58, 5, },
- { 0x97, 2, },
- { 0xb0, 1, },
- { 0xbc, 1, },
-};
-
-static int rn5t567_setup_regs(struct rn5t567_regs *r, size_t count)
+static int rn5t567_setup_regs(uchar slave_addr, struct pmic_regs *r,
+ size_t count)
{
int ret;
int i;
#ifdef DEBUG
unsigned char value;
- ret = i2c_read(CONFIG_SYS_I2C_SLAVE, r->addr, 1, &value, 1);
- if ((value & ~r->mask) != r->val) {
- printf("Changing PMIC reg %02x from %02x to %02x\n",
- r->addr, value, r->val);
- }
+ ret = i2c_read(slave_addr, r->addr, 1, &value, 1);
if (ret) {
printf("%s: failed to read PMIC register %02x: %d\n",
__func__, r->addr, ret);
return ret;
}
+ if ((value & ~r->mask) != r->val) {
+ printf("Changing PMIC reg %02x from %02x to %02x\n",
+ r->addr, value, r->val);
+ }
#endif
-// value = (value & ~r->mask) | r->val;
- ret = i2c_write(CONFIG_SYS_I2C_SLAVE,
- r->addr, 1, &r->val, 1);
+ ret = i2c_write(slave_addr, r->addr, 1, &r->val, 1);
if (ret) {
printf("%s: failed to write PMIC register %02x: %d\n",
__func__, r->addr, ret);
return ret;
}
#ifdef DEBUG
- ret = i2c_read(CONFIG_SYS_I2C_SLAVE, r->addr, 1, &value, 1);
- printf("PMIC reg %02x is %02x\n", r->addr, value);
-#endif
- }
-#if 0
- for (i = 0; i < ARRAY_SIZE(debug_regs); i++) {
- int j;
-
- r = &debug_regs[i];
- for (j = r->addr; j < r->addr + r->val; j++) {
- unsigned char value;
-
- ret = i2c_read(CONFIG_SYS_I2C_SLAVE, j, 1, &value, 1);
- printf("PMIC reg %02x = %02x\n",
- j, value);
+ ret = i2c_read(slave_addr, r->addr, 1, &value, 1);
+ if (ret) {
+ printf("%s: failed to read PMIC register %02x: %d\n",
+ __func__, r->addr, ret);
+ return ret;
+ }
+ if (value != r->val) {
+ printf("Failed to set PMIC reg %02x to %02x; actual value: %02x\n",
+ r->addr, r->val, value);
}
- }
#endif
- debug("%s() complete\n", __func__);
+ }
return 0;
}
-int setup_pmic_voltages(void)
+int rn5t567_pmic_setup(uchar slave_addr, struct pmic_regs *regs,
+ size_t count)
{
int ret;
unsigned char value;
- ret = i2c_probe(CONFIG_SYS_I2C_SLAVE);
- if (ret != 0) {
- printf("Failed to initialize I2C\n");
- return ret;
- }
-
- ret = i2c_read(CONFIG_SYS_I2C_SLAVE, 0x11, 1, &value, 1);
+ ret = i2c_read(slave_addr, 0x11, 1, &value, 1);
if (ret) {
printf("%s: i2c_read error: %d\n", __func__, ret);
return ret;
}
- ret = rn5t567_setup_regs(rn5t567_regs, ARRAY_SIZE(rn5t567_regs));
+ ret = rn5t567_setup_regs(slave_addr, regs, count);
if (ret)
return ret;
- printf("VDDCORE set to %umV\n",
- DIV_ROUND(regval_to_mV(VDD_CORE_VAL), 10));
- printf("VDDSOC set to %umV\n",
- DIV_ROUND(regval_to_mV(VDD_SOC_VAL), 10));
-
+ ret = i2c_read(slave_addr, RN5T567_DC1DAC, 1, &value, 1);
+ if (ret == 0) {
+ printf("VDDCORE set to %umV\n", rn5t_regval_to_mV(value));
+ } else {
+ printf("Failed to read VDDCORE register setting\n");
+ }
+#ifndef CONFIG_SOC_MX6UL
+ ret = i2c_read(slave_addr, RN5T567_DC2DAC, 1, &value, 1);
+ if (ret == 0) {
+ printf("VDDSOC set to %umV\n", rn5t_regval_to_mV(value));
+ } else {
+ printf("Failed to read VDDSOC register setting\n");
+ }
+#endif
return ret;
}