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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (C) 2015 Google, Inc
- * Written by Simon Glass <sjg@chromium.org>
- *
- * Based on Rockchip's drivers/power/pmic/pmic_rk808.c:
- * Copyright (C) 2012 rockchips
- * zyw <zyw@rock-chips.com>
- */
- #include <common.h>
- #include <dm.h>
- #include <errno.h>
- #include <log.h>
- #include <power/rk8xx_pmic.h>
- #include <power/pmic.h>
- #include <power/regulator.h>
- #ifndef CONFIG_SPL_BUILD
- #define ENABLE_DRIVER
- #endif
- /* Not used or exisit register and configure */
- #define NA 0xff
- /* Field Definitions */
- #define RK808_BUCK_VSEL_MASK 0x3f
- #define RK808_BUCK4_VSEL_MASK 0xf
- #define RK808_LDO_VSEL_MASK 0x1f
- /* RK809 BUCK5 */
- #define RK809_BUCK5_CONFIG(n) (0xde + (n) * 1)
- #define RK809_BUCK5_VSEL_MASK 0x07
- /* RK817 BUCK */
- #define RK817_BUCK_ON_VSEL(n) (0xbb + 3 * ((n) - 1))
- #define RK817_BUCK_SLP_VSEL(n) (0xbc + 3 * ((n) - 1))
- #define RK817_BUCK_VSEL_MASK 0x7f
- #define RK817_BUCK_CONFIG(i) (0xba + (i) * 3)
- /* RK817 LDO */
- #define RK817_LDO_ON_VSEL(n) (0xcc + 2 * ((n) - 1))
- #define RK817_LDO_SLP_VSEL(n) (0xcd + 2 * ((n) - 1))
- #define RK817_LDO_VSEL_MASK 0x7f
- /* RK817 ENABLE */
- #define RK817_POWER_EN(n) (0xb1 + (n))
- #define RK817_POWER_SLP_EN(n) (0xb5 + (n))
- #define RK818_BUCK_VSEL_MASK 0x3f
- #define RK818_BUCK4_VSEL_MASK 0x1f
- #define RK818_LDO_VSEL_MASK 0x1f
- #define RK818_LDO3_ON_VSEL_MASK 0xf
- #define RK818_BOOST_ON_VSEL_MASK 0xe0
- #define RK818_USB_ILIM_SEL_MASK 0x0f
- #define RK818_USB_CHG_SD_VSEL_MASK 0x70
- /*
- * Ramp delay
- */
- #define RK805_RAMP_RATE_OFFSET 3
- #define RK805_RAMP_RATE_MASK (3 << RK805_RAMP_RATE_OFFSET)
- #define RK805_RAMP_RATE_3MV_PER_US (0 << RK805_RAMP_RATE_OFFSET)
- #define RK805_RAMP_RATE_6MV_PER_US (1 << RK805_RAMP_RATE_OFFSET)
- #define RK805_RAMP_RATE_12_5MV_PER_US (2 << RK805_RAMP_RATE_OFFSET)
- #define RK805_RAMP_RATE_25MV_PER_US (3 << RK805_RAMP_RATE_OFFSET)
- #define RK808_RAMP_RATE_OFFSET 3
- #define RK808_RAMP_RATE_MASK (3 << RK808_RAMP_RATE_OFFSET)
- #define RK808_RAMP_RATE_2MV_PER_US (0 << RK808_RAMP_RATE_OFFSET)
- #define RK808_RAMP_RATE_4MV_PER_US (1 << RK808_RAMP_RATE_OFFSET)
- #define RK808_RAMP_RATE_6MV_PER_US (2 << RK808_RAMP_RATE_OFFSET)
- #define RK808_RAMP_RATE_10MV_PER_US (3 << RK808_RAMP_RATE_OFFSET)
- #define RK817_RAMP_RATE_OFFSET 6
- #define RK817_RAMP_RATE_MASK (0x3 << RK817_RAMP_RATE_OFFSET)
- #define RK817_RAMP_RATE_3MV_PER_US (0x0 << RK817_RAMP_RATE_OFFSET)
- #define RK817_RAMP_RATE_6_3MV_PER_US (0x1 << RK817_RAMP_RATE_OFFSET)
- #define RK817_RAMP_RATE_12_5MV_PER_US (0x2 << RK817_RAMP_RATE_OFFSET)
- #define RK817_RAMP_RATE_25MV_PER_US (0x3 << RK817_RAMP_RATE_OFFSET)
- struct rk8xx_reg_info {
- uint min_uv;
- uint step_uv;
- u8 vsel_reg;
- u8 vsel_sleep_reg;
- u8 config_reg;
- u8 vsel_mask;
- u8 min_sel;
- };
- static const struct rk8xx_reg_info rk808_buck[] = {
- { 712500, 12500, REG_BUCK1_ON_VSEL, REG_BUCK1_SLP_VSEL, REG_BUCK1_CONFIG, RK808_BUCK_VSEL_MASK, },
- { 712500, 12500, REG_BUCK2_ON_VSEL, REG_BUCK2_SLP_VSEL, REG_BUCK2_CONFIG, RK808_BUCK_VSEL_MASK, },
- { 712500, 12500, NA, NA, REG_BUCK3_CONFIG, RK808_BUCK_VSEL_MASK, },
- { 1800000, 100000, REG_BUCK4_ON_VSEL, REG_BUCK4_SLP_VSEL, REG_BUCK4_CONFIG, RK808_BUCK4_VSEL_MASK, },
- };
- static const struct rk8xx_reg_info rk816_buck[] = {
- /* buck 1 */
- { 712500, 12500, REG_BUCK1_ON_VSEL, REG_BUCK1_SLP_VSEL, REG_BUCK1_CONFIG, RK818_BUCK_VSEL_MASK, 0x00, },
- { 1800000, 200000, REG_BUCK1_ON_VSEL, REG_BUCK1_SLP_VSEL, REG_BUCK1_CONFIG, RK818_BUCK_VSEL_MASK, 0x3c, },
- { 2300000, 0, REG_BUCK1_ON_VSEL, REG_BUCK1_SLP_VSEL, REG_BUCK1_CONFIG, RK818_BUCK_VSEL_MASK, 0x3f, },
- /* buck 2 */
- { 712500, 12500, REG_BUCK2_ON_VSEL, REG_BUCK2_SLP_VSEL, REG_BUCK2_CONFIG, RK818_BUCK_VSEL_MASK, 0x00, },
- { 1800000, 200000, REG_BUCK2_ON_VSEL, REG_BUCK2_SLP_VSEL, REG_BUCK2_CONFIG, RK818_BUCK_VSEL_MASK, 0x3c, },
- { 2300000, 0, REG_BUCK2_ON_VSEL, REG_BUCK2_SLP_VSEL, REG_BUCK2_CONFIG, RK818_BUCK_VSEL_MASK, 0x3f, },
- /* buck 3 */
- { 712500, 12500, NA, NA, REG_BUCK3_CONFIG, RK818_BUCK_VSEL_MASK, },
- /* buck 4 */
- { 800000, 100000, REG_BUCK4_ON_VSEL, REG_BUCK4_SLP_VSEL, REG_BUCK4_CONFIG, RK818_BUCK4_VSEL_MASK, },
- };
- static const struct rk8xx_reg_info rk809_buck5[] = {
- /* buck 5 */
- { 1500000, 0, RK809_BUCK5_CONFIG(0), RK809_BUCK5_CONFIG(1), NA, RK809_BUCK5_VSEL_MASK, 0x00, },
- { 1800000, 200000, RK809_BUCK5_CONFIG(0), RK809_BUCK5_CONFIG(1), NA, RK809_BUCK5_VSEL_MASK, 0x01, },
- { 2800000, 200000, RK809_BUCK5_CONFIG(0), RK809_BUCK5_CONFIG(1), NA, RK809_BUCK5_VSEL_MASK, 0x04, },
- { 3300000, 300000, RK809_BUCK5_CONFIG(0), RK809_BUCK5_CONFIG(1), NA, RK809_BUCK5_VSEL_MASK, 0x06, },
- };
- static const struct rk8xx_reg_info rk817_buck[] = {
- /* buck 1 */
- { 500000, 12500, RK817_BUCK_ON_VSEL(1), RK817_BUCK_SLP_VSEL(1), RK817_BUCK_CONFIG(1), RK817_BUCK_VSEL_MASK, 0x00, },
- { 1500000, 100000, RK817_BUCK_ON_VSEL(1), RK817_BUCK_SLP_VSEL(1), RK817_BUCK_CONFIG(1), RK817_BUCK_VSEL_MASK, 0x50, },
- { 2400000, 0, RK817_BUCK_ON_VSEL(1), RK817_BUCK_SLP_VSEL(1), RK817_BUCK_CONFIG(1), RK817_BUCK_VSEL_MASK, 0x59, },
- /* buck 2 */
- { 500000, 12500, RK817_BUCK_ON_VSEL(2), RK817_BUCK_SLP_VSEL(2), RK817_BUCK_CONFIG(2), RK817_BUCK_VSEL_MASK, 0x00, },
- { 1500000, 100000, RK817_BUCK_ON_VSEL(2), RK817_BUCK_SLP_VSEL(2), RK817_BUCK_CONFIG(2), RK817_BUCK_VSEL_MASK, 0x50, },
- { 2400000, 0, RK817_BUCK_ON_VSEL(2), RK817_BUCK_SLP_VSEL(2), RK817_BUCK_CONFIG(2), RK817_BUCK_VSEL_MASK, 0x59, },
- /* buck 3 */
- { 500000, 12500, RK817_BUCK_ON_VSEL(3), RK817_BUCK_SLP_VSEL(3), RK817_BUCK_CONFIG(3), RK817_BUCK_VSEL_MASK, 0x00, },
- { 1500000, 100000, RK817_BUCK_ON_VSEL(3), RK817_BUCK_SLP_VSEL(3), RK817_BUCK_CONFIG(3), RK817_BUCK_VSEL_MASK, 0x50, },
- { 2400000, 0, RK817_BUCK_ON_VSEL(3), RK817_BUCK_SLP_VSEL(3), RK817_BUCK_CONFIG(3), RK817_BUCK_VSEL_MASK, 0x59, },
- /* buck 4 */
- { 500000, 12500, RK817_BUCK_ON_VSEL(4), RK817_BUCK_SLP_VSEL(4), RK817_BUCK_CONFIG(4), RK817_BUCK_VSEL_MASK, 0x00, },
- { 1500000, 100000, RK817_BUCK_ON_VSEL(4), RK817_BUCK_SLP_VSEL(4), RK817_BUCK_CONFIG(4), RK817_BUCK_VSEL_MASK, 0x50, },
- { 3400000, 0, RK817_BUCK_ON_VSEL(4), RK817_BUCK_SLP_VSEL(4), RK817_BUCK_CONFIG(4), RK817_BUCK_VSEL_MASK, 0x63, },
- };
- static const struct rk8xx_reg_info rk818_buck[] = {
- { 712500, 12500, REG_BUCK1_ON_VSEL, REG_BUCK1_SLP_VSEL, REG_BUCK1_CONFIG, RK818_BUCK_VSEL_MASK, },
- { 712500, 12500, REG_BUCK2_ON_VSEL, REG_BUCK2_SLP_VSEL, REG_BUCK2_CONFIG, RK818_BUCK_VSEL_MASK, },
- { 712500, 12500, NA, NA, REG_BUCK3_CONFIG, RK818_BUCK_VSEL_MASK, },
- { 1800000, 100000, REG_BUCK4_ON_VSEL, REG_BUCK4_SLP_VSEL, REG_BUCK4_CONFIG, RK818_BUCK4_VSEL_MASK, },
- };
- #ifdef ENABLE_DRIVER
- static const struct rk8xx_reg_info rk808_ldo[] = {
- { 1800000, 100000, REG_LDO1_ON_VSEL, REG_LDO1_SLP_VSEL, NA, RK808_LDO_VSEL_MASK, },
- { 1800000, 100000, REG_LDO2_ON_VSEL, REG_LDO2_SLP_VSEL, NA, RK808_LDO_VSEL_MASK, },
- { 800000, 100000, REG_LDO3_ON_VSEL, REG_LDO3_SLP_VSEL, NA, RK808_BUCK4_VSEL_MASK, },
- { 1800000, 100000, REG_LDO4_ON_VSEL, REG_LDO4_SLP_VSEL, NA, RK808_LDO_VSEL_MASK, },
- { 1800000, 100000, REG_LDO5_ON_VSEL, REG_LDO5_SLP_VSEL, NA, RK808_LDO_VSEL_MASK, },
- { 800000, 100000, REG_LDO6_ON_VSEL, REG_LDO6_SLP_VSEL, NA, RK808_LDO_VSEL_MASK, },
- { 800000, 100000, REG_LDO7_ON_VSEL, REG_LDO7_SLP_VSEL, NA, RK808_LDO_VSEL_MASK, },
- { 1800000, 100000, REG_LDO8_ON_VSEL, REG_LDO8_SLP_VSEL, NA, RK808_LDO_VSEL_MASK, },
- };
- static const struct rk8xx_reg_info rk816_ldo[] = {
- { 800000, 100000, REG_LDO1_ON_VSEL, REG_LDO1_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
- { 800000, 100000, REG_LDO2_ON_VSEL, REG_LDO2_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
- { 800000, 100000, REG_LDO3_ON_VSEL, REG_LDO3_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
- { 800000, 100000, REG_LDO4_ON_VSEL, REG_LDO4_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
- { 800000, 100000, REG_LDO5_ON_VSEL, REG_LDO5_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
- { 800000, 100000, REG_LDO6_ON_VSEL, REG_LDO6_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
- };
- static const struct rk8xx_reg_info rk817_ldo[] = {
- /* ldo1 */
- { 600000, 25000, RK817_LDO_ON_VSEL(1), RK817_LDO_SLP_VSEL(1), NA, RK817_LDO_VSEL_MASK, 0x00, },
- { 3400000, 0, RK817_LDO_ON_VSEL(1), RK817_LDO_SLP_VSEL(1), NA, RK817_LDO_VSEL_MASK, 0x70, },
- /* ldo2 */
- { 600000, 25000, RK817_LDO_ON_VSEL(2), RK817_LDO_SLP_VSEL(2), NA, RK817_LDO_VSEL_MASK, 0x00, },
- { 3400000, 0, RK817_LDO_ON_VSEL(2), RK817_LDO_SLP_VSEL(2), NA, RK817_LDO_VSEL_MASK, 0x70, },
- /* ldo3 */
- { 600000, 25000, RK817_LDO_ON_VSEL(3), RK817_LDO_SLP_VSEL(3), NA, RK817_LDO_VSEL_MASK, 0x00, },
- { 3400000, 0, RK817_LDO_ON_VSEL(3), RK817_LDO_SLP_VSEL(3), NA, RK817_LDO_VSEL_MASK, 0x70, },
- /* ldo4 */
- { 600000, 25000, RK817_LDO_ON_VSEL(4), RK817_LDO_SLP_VSEL(4), NA, RK817_LDO_VSEL_MASK, 0x00, },
- { 3400000, 0, RK817_LDO_ON_VSEL(4), RK817_LDO_SLP_VSEL(4), NA, RK817_LDO_VSEL_MASK, 0x70, },
- /* ldo5 */
- { 600000, 25000, RK817_LDO_ON_VSEL(5), RK817_LDO_SLP_VSEL(5), NA, RK817_LDO_VSEL_MASK, 0x00, },
- { 3400000, 0, RK817_LDO_ON_VSEL(5), RK817_LDO_SLP_VSEL(5), NA, RK817_LDO_VSEL_MASK, 0x70, },
- /* ldo6 */
- { 600000, 25000, RK817_LDO_ON_VSEL(6), RK817_LDO_SLP_VSEL(6), NA, RK817_LDO_VSEL_MASK, 0x00, },
- { 3400000, 0, RK817_LDO_ON_VSEL(6), RK817_LDO_SLP_VSEL(6), NA, RK817_LDO_VSEL_MASK, 0x70, },
- /* ldo7 */
- { 600000, 25000, RK817_LDO_ON_VSEL(7), RK817_LDO_SLP_VSEL(7), NA, RK817_LDO_VSEL_MASK, 0x00, },
- { 3400000, 0, RK817_LDO_ON_VSEL(7), RK817_LDO_SLP_VSEL(7), NA, RK817_LDO_VSEL_MASK, 0x70, },
- /* ldo8 */
- { 600000, 25000, RK817_LDO_ON_VSEL(8), RK817_LDO_SLP_VSEL(8), NA, RK817_LDO_VSEL_MASK, 0x00, },
- { 3400000, 0, RK817_LDO_ON_VSEL(8), RK817_LDO_SLP_VSEL(8), NA, RK817_LDO_VSEL_MASK, 0x70, },
- /* ldo9 */
- { 600000, 25000, RK817_LDO_ON_VSEL(9), RK817_LDO_SLP_VSEL(9), NA, RK817_LDO_VSEL_MASK, 0x00, },
- { 3400000, 0, RK817_LDO_ON_VSEL(9), RK817_LDO_SLP_VSEL(9), NA, RK817_LDO_VSEL_MASK, 0x70, },
- };
- static const struct rk8xx_reg_info rk818_ldo[] = {
- { 1800000, 100000, REG_LDO1_ON_VSEL, REG_LDO1_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
- { 1800000, 100000, REG_LDO2_ON_VSEL, REG_LDO2_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
- { 800000, 100000, REG_LDO3_ON_VSEL, REG_LDO3_SLP_VSEL, NA, RK818_LDO3_ON_VSEL_MASK, },
- { 1800000, 100000, REG_LDO4_ON_VSEL, REG_LDO4_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
- { 1800000, 100000, REG_LDO5_ON_VSEL, REG_LDO5_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
- { 800000, 100000, REG_LDO6_ON_VSEL, REG_LDO6_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
- { 800000, 100000, REG_LDO7_ON_VSEL, REG_LDO7_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
- { 1800000, 100000, REG_LDO8_ON_VSEL, REG_LDO8_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
- };
- #endif
- static const u16 rk818_chrg_cur_input_array[] = {
- 450, 800, 850, 1000, 1250, 1500, 1750, 2000, 2250, 2500, 2750, 3000
- };
- static const uint rk818_chrg_shutdown_vsel_array[] = {
- 2780000, 2850000, 2920000, 2990000, 3060000, 3130000, 3190000, 3260000
- };
- static const struct rk8xx_reg_info *get_buck_reg(struct udevice *pmic,
- int num, int uvolt)
- {
- struct rk8xx_priv *priv = dev_get_priv(pmic);
- switch (priv->variant) {
- case RK805_ID:
- case RK816_ID:
- switch (num) {
- case 0:
- case 1:
- if (uvolt <= 1450000)
- return &rk816_buck[num * 3 + 0];
- else if (uvolt <= 2200000)
- return &rk816_buck[num * 3 + 1];
- else
- return &rk816_buck[num * 3 + 2];
- default:
- return &rk816_buck[num + 4];
- }
- case RK809_ID:
- case RK817_ID:
- switch (num) {
- case 0 ... 2:
- if (uvolt < 1500000)
- return &rk817_buck[num * 3 + 0];
- else if (uvolt < 2400000)
- return &rk817_buck[num * 3 + 1];
- else
- return &rk817_buck[num * 3 + 2];
- case 3:
- if (uvolt < 1500000)
- return &rk817_buck[num * 3 + 0];
- else if (uvolt < 3400000)
- return &rk817_buck[num * 3 + 1];
- else
- return &rk817_buck[num * 3 + 2];
- /* BUCK5 for RK809 */
- default:
- if (uvolt < 1800000)
- return &rk809_buck5[0];
- else if (uvolt < 2800000)
- return &rk809_buck5[1];
- else if (uvolt < 3300000)
- return &rk809_buck5[2];
- else
- return &rk809_buck5[3];
- }
- case RK818_ID:
- return &rk818_buck[num];
- default:
- return &rk808_buck[num];
- }
- }
- static int _buck_set_value(struct udevice *pmic, int buck, int uvolt)
- {
- const struct rk8xx_reg_info *info = get_buck_reg(pmic, buck, uvolt);
- struct rk8xx_priv *priv = dev_get_priv(pmic);
- int mask = info->vsel_mask;
- int val;
- if (info->vsel_reg == NA)
- return -ENOSYS;
- if (info->step_uv == 0) /* Fixed voltage */
- val = info->min_sel;
- else
- val = ((uvolt - info->min_uv) / info->step_uv) + info->min_sel;
- debug("%s: volt=%d, buck=%d, reg=0x%x, mask=0x%x, val=0x%x\n",
- __func__, uvolt, buck + 1, info->vsel_reg, mask, val);
- if (priv->variant == RK816_ID) {
- pmic_clrsetbits(pmic, info->vsel_reg, mask, val);
- return pmic_clrsetbits(pmic, RK816_REG_DCDC_EN2,
- 1 << 7, 1 << 7);
- } else {
- return pmic_clrsetbits(pmic, info->vsel_reg, mask, val);
- }
- }
- static int _buck_set_enable(struct udevice *pmic, int buck, bool enable)
- {
- uint mask, value, en_reg;
- int ret = 0;
- struct rk8xx_priv *priv = dev_get_priv(pmic);
- switch (priv->variant) {
- case RK805_ID:
- case RK816_ID:
- if (buck >= 4) {
- buck -= 4;
- en_reg = RK816_REG_DCDC_EN2;
- } else {
- en_reg = RK816_REG_DCDC_EN1;
- }
- if (enable)
- value = ((1 << buck) | (1 << (buck + 4)));
- else
- value = ((0 << buck) | (1 << (buck + 4)));
- ret = pmic_reg_write(pmic, en_reg, value);
- break;
- case RK808_ID:
- case RK818_ID:
- mask = 1 << buck;
- if (enable) {
- ret = pmic_clrsetbits(pmic, REG_DCDC_ILMAX,
- 0, 3 << (buck * 2));
- if (ret)
- return ret;
- }
- ret = pmic_clrsetbits(pmic, REG_DCDC_EN, mask,
- enable ? mask : 0);
- break;
- case RK809_ID:
- case RK817_ID:
- if (buck < 4) {
- if (enable)
- value = ((1 << buck) | (1 << (buck + 4)));
- else
- value = ((0 << buck) | (1 << (buck + 4)));
- ret = pmic_reg_write(pmic, RK817_POWER_EN(0), value);
- /* BUCK5 for RK809 */
- } else {
- if (enable)
- value = ((1 << 1) | (1 << 5));
- else
- value = ((0 << 1) | (1 << 5));
- ret = pmic_reg_write(pmic, RK817_POWER_EN(3), value);
- }
- break;
- default:
- ret = -EINVAL;
- }
- return ret;
- }
- #ifdef ENABLE_DRIVER
- static int _buck_set_suspend_value(struct udevice *pmic, int buck, int uvolt)
- {
- const struct rk8xx_reg_info *info = get_buck_reg(pmic, buck, uvolt);
- int mask = info->vsel_mask;
- int val;
- if (info->vsel_sleep_reg == NA)
- return -ENOSYS;
- if (info->step_uv == 0)
- val = info->min_sel;
- else
- val = ((uvolt - info->min_uv) / info->step_uv) + info->min_sel;
- debug("%s: volt=%d, buck=%d, reg=0x%x, mask=0x%x, val=0x%x\n",
- __func__, uvolt, buck + 1, info->vsel_sleep_reg, mask, val);
- return pmic_clrsetbits(pmic, info->vsel_sleep_reg, mask, val);
- }
- static int _buck_get_enable(struct udevice *pmic, int buck)
- {
- struct rk8xx_priv *priv = dev_get_priv(pmic);
- uint mask = 0;
- int ret = 0;
- switch (priv->variant) {
- case RK805_ID:
- case RK816_ID:
- if (buck >= 4) {
- mask = 1 << (buck - 4);
- ret = pmic_reg_read(pmic, RK816_REG_DCDC_EN2);
- } else {
- mask = 1 << buck;
- ret = pmic_reg_read(pmic, RK816_REG_DCDC_EN1);
- }
- break;
- case RK808_ID:
- case RK818_ID:
- mask = 1 << buck;
- ret = pmic_reg_read(pmic, REG_DCDC_EN);
- if (ret < 0)
- return ret;
- break;
- case RK809_ID:
- case RK817_ID:
- if (buck < 4) {
- mask = 1 << buck;
- ret = pmic_reg_read(pmic, RK817_POWER_EN(0));
- /* BUCK5 for RK809 */
- } else {
- mask = 1 << 1;
- ret = pmic_reg_read(pmic, RK817_POWER_EN(3));
- }
- break;
- }
- if (ret < 0)
- return ret;
- return ret & mask ? true : false;
- }
- static int _buck_set_suspend_enable(struct udevice *pmic, int buck, bool enable)
- {
- uint mask = 0;
- int ret;
- struct rk8xx_priv *priv = dev_get_priv(pmic);
- switch (priv->variant) {
- case RK805_ID:
- case RK816_ID:
- mask = 1 << buck;
- ret = pmic_clrsetbits(pmic, RK816_REG_DCDC_SLP_EN, mask,
- enable ? mask : 0);
- break;
- case RK808_ID:
- case RK818_ID:
- mask = 1 << buck;
- ret = pmic_clrsetbits(pmic, REG_SLEEP_SET_OFF1, mask,
- enable ? 0 : mask);
- break;
- case RK809_ID:
- case RK817_ID:
- if (buck < 4)
- mask = 1 << buck;
- else
- mask = 1 << 5; /* BUCK5 for RK809 */
- ret = pmic_clrsetbits(pmic, RK817_POWER_SLP_EN(0), mask,
- enable ? mask : 0);
- break;
- default:
- ret = -EINVAL;
- }
- return ret;
- }
- static int _buck_get_suspend_enable(struct udevice *pmic, int buck)
- {
- struct rk8xx_priv *priv = dev_get_priv(pmic);
- int ret, val;
- uint mask = 0;
- switch (priv->variant) {
- case RK805_ID:
- case RK816_ID:
- mask = 1 << buck;
- val = pmic_reg_read(pmic, RK816_REG_DCDC_SLP_EN);
- if (val < 0)
- return val;
- ret = val & mask ? 1 : 0;
- break;
- case RK808_ID:
- case RK818_ID:
- mask = 1 << buck;
- val = pmic_reg_read(pmic, REG_SLEEP_SET_OFF1);
- if (val < 0)
- return val;
- ret = val & mask ? 0 : 1;
- break;
- case RK809_ID:
- case RK817_ID:
- if (buck < 4)
- mask = 1 << buck;
- else
- mask = 1 << 5; /* BUCK5 for RK809 */
- val = pmic_reg_read(pmic, RK817_POWER_SLP_EN(0));
- if (val < 0)
- return val;
- ret = val & mask ? 1 : 0;
- break;
- default:
- ret = -EINVAL;
- }
- return ret;
- }
- static const struct rk8xx_reg_info *get_ldo_reg(struct udevice *pmic,
- int num, int uvolt)
- {
- struct rk8xx_priv *priv = dev_get_priv(pmic);
- switch (priv->variant) {
- case RK805_ID:
- case RK816_ID:
- return &rk816_ldo[num];
- case RK809_ID:
- case RK817_ID:
- if (uvolt < 3400000)
- return &rk817_ldo[num * 2 + 0];
- else
- return &rk817_ldo[num * 2 + 1];
- case RK818_ID:
- return &rk818_ldo[num];
- default:
- return &rk808_ldo[num];
- }
- }
- static int _ldo_get_enable(struct udevice *pmic, int ldo)
- {
- struct rk8xx_priv *priv = dev_get_priv(pmic);
- uint mask = 0;
- int ret = 0;
- switch (priv->variant) {
- case RK805_ID:
- case RK816_ID:
- if (ldo >= 4) {
- mask = 1 << (ldo - 4);
- ret = pmic_reg_read(pmic, RK816_REG_LDO_EN2);
- } else {
- mask = 1 << ldo;
- ret = pmic_reg_read(pmic, RK816_REG_LDO_EN1);
- }
- break;
- case RK808_ID:
- case RK818_ID:
- mask = 1 << ldo;
- ret = pmic_reg_read(pmic, REG_LDO_EN);
- if (ret < 0)
- return ret;
- break;
- case RK809_ID:
- case RK817_ID:
- if (ldo < 4) {
- mask = 1 << ldo;
- ret = pmic_reg_read(pmic, RK817_POWER_EN(1));
- } else if (ldo < 8) {
- mask = 1 << (ldo - 4);
- ret = pmic_reg_read(pmic, RK817_POWER_EN(2));
- } else if (ldo == 8) {
- mask = 1 << 0;
- ret = pmic_reg_read(pmic, RK817_POWER_EN(3));
- } else {
- return false;
- }
- break;
- }
- if (ret < 0)
- return ret;
- return ret & mask ? true : false;
- }
- static int _ldo_set_enable(struct udevice *pmic, int ldo, bool enable)
- {
- struct rk8xx_priv *priv = dev_get_priv(pmic);
- uint mask, value, en_reg;
- int ret = 0;
- switch (priv->variant) {
- case RK805_ID:
- case RK816_ID:
- if (ldo >= 4) {
- ldo -= 4;
- en_reg = RK816_REG_LDO_EN2;
- } else {
- en_reg = RK816_REG_LDO_EN1;
- }
- if (enable)
- value = ((1 << ldo) | (1 << (ldo + 4)));
- else
- value = ((0 << ldo) | (1 << (ldo + 4)));
- ret = pmic_reg_write(pmic, en_reg, value);
- break;
- case RK808_ID:
- case RK818_ID:
- mask = 1 << ldo;
- ret = pmic_clrsetbits(pmic, REG_LDO_EN, mask,
- enable ? mask : 0);
- break;
- case RK809_ID:
- case RK817_ID:
- if (ldo < 4) {
- en_reg = RK817_POWER_EN(1);
- } else if (ldo < 8) {
- ldo -= 4;
- en_reg = RK817_POWER_EN(2);
- } else if (ldo == 8) {
- ldo = 0; /* BIT 0 */
- en_reg = RK817_POWER_EN(3);
- } else {
- return -EINVAL;
- }
- if (enable)
- value = ((1 << ldo) | (1 << (ldo + 4)));
- else
- value = ((0 << ldo) | (1 << (ldo + 4)));
- ret = pmic_reg_write(pmic, en_reg, value);
- break;
- }
- return ret;
- }
- static int _ldo_set_suspend_enable(struct udevice *pmic, int ldo, bool enable)
- {
- struct rk8xx_priv *priv = dev_get_priv(pmic);
- uint mask;
- int ret = 0;
- switch (priv->variant) {
- case RK805_ID:
- case RK816_ID:
- mask = 1 << ldo;
- ret = pmic_clrsetbits(pmic, RK816_REG_LDO_SLP_EN, mask,
- enable ? mask : 0);
- break;
- case RK808_ID:
- case RK818_ID:
- mask = 1 << ldo;
- ret = pmic_clrsetbits(pmic, REG_SLEEP_SET_OFF2, mask,
- enable ? 0 : mask);
- break;
- case RK809_ID:
- case RK817_ID:
- if (ldo == 8) {
- mask = 1 << 4; /* LDO9 */
- ret = pmic_clrsetbits(pmic, RK817_POWER_SLP_EN(0), mask,
- enable ? mask : 0);
- } else {
- mask = 1 << ldo;
- ret = pmic_clrsetbits(pmic, RK817_POWER_SLP_EN(1), mask,
- enable ? mask : 0);
- }
- break;
- }
- return ret;
- }
- static int _ldo_get_suspend_enable(struct udevice *pmic, int ldo)
- {
- struct rk8xx_priv *priv = dev_get_priv(pmic);
- int val, ret = 0;
- uint mask;
- switch (priv->variant) {
- case RK805_ID:
- case RK816_ID:
- mask = 1 << ldo;
- val = pmic_reg_read(pmic, RK816_REG_LDO_SLP_EN);
- if (val < 0)
- return val;
- ret = val & mask ? 1 : 0;
- break;
- case RK808_ID:
- case RK818_ID:
- mask = 1 << ldo;
- val = pmic_reg_read(pmic, REG_SLEEP_SET_OFF2);
- if (val < 0)
- return val;
- ret = val & mask ? 0 : 1;
- break;
- case RK809_ID:
- case RK817_ID:
- if (ldo == 8) {
- mask = 1 << 4; /* LDO9 */
- val = pmic_reg_read(pmic, RK817_POWER_SLP_EN(0));
- if (val < 0)
- return val;
- ret = val & mask ? 1 : 0;
- } else {
- mask = 1 << ldo;
- val = pmic_reg_read(pmic, RK817_POWER_SLP_EN(1));
- if (val < 0)
- return val;
- ret = val & mask ? 1 : 0;
- }
- break;
- }
- return ret;
- }
- static int buck_get_value(struct udevice *dev)
- {
- int buck = dev->driver_data - 1;
- /* We assume level-1 voltage is enough for usage in U-Boot */
- const struct rk8xx_reg_info *info = get_buck_reg(dev->parent, buck, 0);
- int mask = info->vsel_mask;
- int ret, val;
- if (info->vsel_reg == NA)
- return -ENOSYS;
- ret = pmic_reg_read(dev->parent, info->vsel_reg);
- if (ret < 0)
- return ret;
- val = ret & mask;
- return info->min_uv + val * info->step_uv;
- }
- static int buck_set_value(struct udevice *dev, int uvolt)
- {
- int buck = dev->driver_data - 1;
- return _buck_set_value(dev->parent, buck, uvolt);
- }
- static int buck_get_suspend_value(struct udevice *dev)
- {
- int buck = dev->driver_data - 1;
- /* We assume level-1 voltage is enough for usage in U-Boot */
- const struct rk8xx_reg_info *info = get_buck_reg(dev->parent, buck, 0);
- int mask = info->vsel_mask;
- int ret, val;
- if (info->vsel_sleep_reg == NA)
- return -ENOSYS;
- ret = pmic_reg_read(dev->parent, info->vsel_sleep_reg);
- if (ret < 0)
- return ret;
- val = ret & mask;
- return info->min_uv + val * info->step_uv;
- }
- static int buck_set_suspend_value(struct udevice *dev, int uvolt)
- {
- int buck = dev->driver_data - 1;
- return _buck_set_suspend_value(dev->parent, buck, uvolt);
- }
- static int buck_set_enable(struct udevice *dev, bool enable)
- {
- int buck = dev->driver_data - 1;
- return _buck_set_enable(dev->parent, buck, enable);
- }
- static int buck_set_suspend_enable(struct udevice *dev, bool enable)
- {
- int buck = dev->driver_data - 1;
- return _buck_set_suspend_enable(dev->parent, buck, enable);
- }
- static int buck_get_suspend_enable(struct udevice *dev)
- {
- int buck = dev->driver_data - 1;
- return _buck_get_suspend_enable(dev->parent, buck);
- }
- static int buck_get_enable(struct udevice *dev)
- {
- int buck = dev->driver_data - 1;
- return _buck_get_enable(dev->parent, buck);
- }
- static int ldo_get_value(struct udevice *dev)
- {
- int ldo = dev->driver_data - 1;
- const struct rk8xx_reg_info *info = get_ldo_reg(dev->parent, ldo, 0);
- int mask = info->vsel_mask;
- int ret, val;
- if (info->vsel_reg == NA)
- return -ENOSYS;
- ret = pmic_reg_read(dev->parent, info->vsel_reg);
- if (ret < 0)
- return ret;
- val = ret & mask;
- return info->min_uv + val * info->step_uv;
- }
- static int ldo_set_value(struct udevice *dev, int uvolt)
- {
- int ldo = dev->driver_data - 1;
- const struct rk8xx_reg_info *info = get_ldo_reg(dev->parent, ldo, uvolt);
- int mask = info->vsel_mask;
- int val;
- if (info->vsel_reg == NA)
- return -ENOSYS;
- if (info->step_uv == 0)
- val = info->min_sel;
- else
- val = ((uvolt - info->min_uv) / info->step_uv) + info->min_sel;
- debug("%s: volt=%d, ldo=%d, reg=0x%x, mask=0x%x, val=0x%x\n",
- __func__, uvolt, ldo + 1, info->vsel_reg, mask, val);
- return pmic_clrsetbits(dev->parent, info->vsel_reg, mask, val);
- }
- static int ldo_set_suspend_value(struct udevice *dev, int uvolt)
- {
- int ldo = dev->driver_data - 1;
- const struct rk8xx_reg_info *info = get_ldo_reg(dev->parent, ldo, uvolt);
- int mask = info->vsel_mask;
- int val;
- if (info->vsel_sleep_reg == NA)
- return -ENOSYS;
- if (info->step_uv == 0)
- val = info->min_sel;
- else
- val = ((uvolt - info->min_uv) / info->step_uv) + info->min_sel;
- debug("%s: volt=%d, ldo=%d, reg=0x%x, mask=0x%x, val=0x%x\n",
- __func__, uvolt, ldo + 1, info->vsel_sleep_reg, mask, val);
- return pmic_clrsetbits(dev->parent, info->vsel_sleep_reg, mask, val);
- }
- static int ldo_get_suspend_value(struct udevice *dev)
- {
- int ldo = dev->driver_data - 1;
- const struct rk8xx_reg_info *info = get_ldo_reg(dev->parent, ldo, 0);
- int mask = info->vsel_mask;
- int val, ret;
- if (info->vsel_sleep_reg == NA)
- return -ENOSYS;
- ret = pmic_reg_read(dev->parent, info->vsel_sleep_reg);
- if (ret < 0)
- return ret;
- val = ret & mask;
- return info->min_uv + val * info->step_uv;
- }
- static int ldo_set_enable(struct udevice *dev, bool enable)
- {
- int ldo = dev->driver_data - 1;
- return _ldo_set_enable(dev->parent, ldo, enable);
- }
- static int ldo_set_suspend_enable(struct udevice *dev, bool enable)
- {
- int ldo = dev->driver_data - 1;
- return _ldo_set_suspend_enable(dev->parent, ldo, enable);
- }
- static int ldo_get_suspend_enable(struct udevice *dev)
- {
- int ldo = dev->driver_data - 1;
- return _ldo_get_suspend_enable(dev->parent, ldo);
- }
- static int ldo_get_enable(struct udevice *dev)
- {
- int ldo = dev->driver_data - 1;
- return _ldo_get_enable(dev->parent, ldo);
- }
- static int switch_set_enable(struct udevice *dev, bool enable)
- {
- struct rk8xx_priv *priv = dev_get_priv(dev->parent);
- int ret = 0, sw = dev->driver_data - 1;
- uint mask = 0;
- switch (priv->variant) {
- case RK808_ID:
- mask = 1 << (sw + 5);
- ret = pmic_clrsetbits(dev->parent, REG_DCDC_EN, mask,
- enable ? mask : 0);
- break;
- case RK809_ID:
- mask = (1 << (sw + 2)) | (1 << (sw + 6));
- ret = pmic_clrsetbits(dev->parent, RK817_POWER_EN(3), mask,
- enable ? mask : 0);
- break;
- case RK818_ID:
- mask = 1 << 6;
- ret = pmic_clrsetbits(dev->parent, REG_DCDC_EN, mask,
- enable ? mask : 0);
- break;
- }
- debug("%s: switch%d, enable=%d, mask=0x%x\n",
- __func__, sw + 1, enable, mask);
- return ret;
- }
- static int switch_get_enable(struct udevice *dev)
- {
- struct rk8xx_priv *priv = dev_get_priv(dev->parent);
- int ret = 0, sw = dev->driver_data - 1;
- uint mask = 0;
- switch (priv->variant) {
- case RK808_ID:
- mask = 1 << (sw + 5);
- ret = pmic_reg_read(dev->parent, REG_DCDC_EN);
- break;
- case RK809_ID:
- mask = 1 << (sw + 2);
- ret = pmic_reg_read(dev->parent, RK817_POWER_EN(3));
- break;
- case RK818_ID:
- mask = 1 << 6;
- ret = pmic_reg_read(dev->parent, REG_DCDC_EN);
- break;
- }
- if (ret < 0)
- return ret;
- return ret & mask ? true : false;
- }
- static int switch_set_suspend_value(struct udevice *dev, int uvolt)
- {
- return 0;
- }
- static int switch_get_suspend_value(struct udevice *dev)
- {
- return 0;
- }
- static int switch_set_suspend_enable(struct udevice *dev, bool enable)
- {
- struct rk8xx_priv *priv = dev_get_priv(dev->parent);
- int ret = 0, sw = dev->driver_data - 1;
- uint mask = 0;
- switch (priv->variant) {
- case RK808_ID:
- mask = 1 << (sw + 5);
- ret = pmic_clrsetbits(dev->parent, REG_SLEEP_SET_OFF1, mask,
- enable ? 0 : mask);
- break;
- case RK809_ID:
- mask = 1 << (sw + 6);
- ret = pmic_clrsetbits(dev->parent, RK817_POWER_SLP_EN(0), mask,
- enable ? mask : 0);
- break;
- case RK818_ID:
- mask = 1 << 6;
- ret = pmic_clrsetbits(dev->parent, REG_SLEEP_SET_OFF1, mask,
- enable ? 0 : mask);
- break;
- }
- debug("%s: switch%d, enable=%d, mask=0x%x\n",
- __func__, sw + 1, enable, mask);
- return ret;
- }
- static int switch_get_suspend_enable(struct udevice *dev)
- {
- struct rk8xx_priv *priv = dev_get_priv(dev->parent);
- int val, ret = 0, sw = dev->driver_data - 1;
- uint mask = 0;
- switch (priv->variant) {
- case RK808_ID:
- mask = 1 << (sw + 5);
- val = pmic_reg_read(dev->parent, REG_SLEEP_SET_OFF1);
- if (val < 0)
- return val;
- ret = val & mask ? 0 : 1;
- break;
- case RK809_ID:
- mask = 1 << (sw + 6);
- val = pmic_reg_read(dev->parent, RK817_POWER_SLP_EN(0));
- if (val < 0)
- return val;
- ret = val & mask ? 1 : 0;
- break;
- case RK818_ID:
- mask = 1 << 6;
- val = pmic_reg_read(dev->parent, REG_SLEEP_SET_OFF1);
- if (val < 0)
- return val;
- ret = val & mask ? 0 : 1;
- break;
- }
- return ret;
- }
- /*
- * RK8xx switch does not need to set the voltage,
- * but if dts set regulator-min-microvolt/regulator-max-microvolt,
- * will cause regulator set value fail and not to enable this switch.
- * So add an empty function to return success.
- */
- static int switch_get_value(struct udevice *dev)
- {
- return 0;
- }
- static int switch_set_value(struct udevice *dev, int uvolt)
- {
- return 0;
- }
- static int rk8xx_buck_probe(struct udevice *dev)
- {
- struct dm_regulator_uclass_plat *uc_pdata;
- uc_pdata = dev_get_uclass_plat(dev);
- uc_pdata->type = REGULATOR_TYPE_BUCK;
- uc_pdata->mode_count = 0;
- return 0;
- }
- static int rk8xx_ldo_probe(struct udevice *dev)
- {
- struct dm_regulator_uclass_plat *uc_pdata;
- uc_pdata = dev_get_uclass_plat(dev);
- uc_pdata->type = REGULATOR_TYPE_LDO;
- uc_pdata->mode_count = 0;
- return 0;
- }
- static int rk8xx_switch_probe(struct udevice *dev)
- {
- struct dm_regulator_uclass_plat *uc_pdata;
- uc_pdata = dev_get_uclass_plat(dev);
- uc_pdata->type = REGULATOR_TYPE_FIXED;
- uc_pdata->mode_count = 0;
- return 0;
- }
- static const struct dm_regulator_ops rk8xx_buck_ops = {
- .get_value = buck_get_value,
- .set_value = buck_set_value,
- .set_suspend_value = buck_set_suspend_value,
- .get_suspend_value = buck_get_suspend_value,
- .get_enable = buck_get_enable,
- .set_enable = buck_set_enable,
- .set_suspend_enable = buck_set_suspend_enable,
- .get_suspend_enable = buck_get_suspend_enable,
- };
- static const struct dm_regulator_ops rk8xx_ldo_ops = {
- .get_value = ldo_get_value,
- .set_value = ldo_set_value,
- .set_suspend_value = ldo_set_suspend_value,
- .get_suspend_value = ldo_get_suspend_value,
- .get_enable = ldo_get_enable,
- .set_enable = ldo_set_enable,
- .set_suspend_enable = ldo_set_suspend_enable,
- .get_suspend_enable = ldo_get_suspend_enable,
- };
- static const struct dm_regulator_ops rk8xx_switch_ops = {
- .get_value = switch_get_value,
- .set_value = switch_set_value,
- .get_enable = switch_get_enable,
- .set_enable = switch_set_enable,
- .set_suspend_enable = switch_set_suspend_enable,
- .get_suspend_enable = switch_get_suspend_enable,
- .set_suspend_value = switch_set_suspend_value,
- .get_suspend_value = switch_get_suspend_value,
- };
- U_BOOT_DRIVER(rk8xx_buck) = {
- .name = "rk8xx_buck",
- .id = UCLASS_REGULATOR,
- .ops = &rk8xx_buck_ops,
- .probe = rk8xx_buck_probe,
- };
- U_BOOT_DRIVER(rk8xx_ldo) = {
- .name = "rk8xx_ldo",
- .id = UCLASS_REGULATOR,
- .ops = &rk8xx_ldo_ops,
- .probe = rk8xx_ldo_probe,
- };
- U_BOOT_DRIVER(rk8xx_switch) = {
- .name = "rk8xx_switch",
- .id = UCLASS_REGULATOR,
- .ops = &rk8xx_switch_ops,
- .probe = rk8xx_switch_probe,
- };
- #endif
- int rk8xx_spl_configure_buck(struct udevice *pmic, int buck, int uvolt)
- {
- int ret;
- ret = _buck_set_value(pmic, buck, uvolt);
- if (ret)
- return ret;
- return _buck_set_enable(pmic, buck, true);
- }
- int rk818_spl_configure_usb_input_current(struct udevice *pmic, int current_ma)
- {
- uint i;
- for (i = 0; i < ARRAY_SIZE(rk818_chrg_cur_input_array); i++)
- if (current_ma <= rk818_chrg_cur_input_array[i])
- break;
- return pmic_clrsetbits(pmic, REG_USB_CTRL, RK818_USB_ILIM_SEL_MASK, i);
- }
- int rk818_spl_configure_usb_chrg_shutdown(struct udevice *pmic, int uvolt)
- {
- uint i;
- for (i = 0; i < ARRAY_SIZE(rk818_chrg_shutdown_vsel_array); i++)
- if (uvolt <= rk818_chrg_shutdown_vsel_array[i])
- break;
- return pmic_clrsetbits(pmic, REG_USB_CTRL, RK818_USB_CHG_SD_VSEL_MASK,
- i);
- }
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