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linux/drivers/mfd/rk8xx-core.c
Ondrej Jirman b0227e7081 mfd: rk8xx: Add support for RK806 power off 
Use DEV_OFF bit to power off the RK806 PMIC, when system-power-controller
is used in DTS.

Signed-off-by: Ondrej Jirman <megi@xff.cz>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20231019165732.3818789-5-megi@xff.cz
Signed-off-by: Lee Jones <lee@kernel.org>
2023-11-01 10:02:17 +00:00

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21 KiB
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// SPDX-License-Identifier: GPL-2.0-only
/*
* MFD core driver for Rockchip RK8XX
*
* Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
* Copyright (C) 2016 PHYTEC Messtechnik GmbH
*
* Author: Chris Zhong <zyw@rock-chips.com>
* Author: Zhang Qing <zhangqing@rock-chips.com>
* Author: Wadim Egorov <w.egorov@phytec.de>
*/
#include <linux/interrupt.h>
#include <linux/mfd/rk808.h>
#include <linux/mfd/core.h>
#include <linux/module.h>
#include <linux/property.h>
#include <linux/regmap.h>
#include <linux/reboot.h>
struct rk808_reg_data {
int addr;
int mask;
int value;
};
static const struct resource rtc_resources[] = {
DEFINE_RES_IRQ(RK808_IRQ_RTC_ALARM),
};
static const struct resource rk817_rtc_resources[] = {
DEFINE_RES_IRQ(RK817_IRQ_RTC_ALARM),
};
static const struct resource rk805_key_resources[] = {
DEFINE_RES_IRQ(RK805_IRQ_PWRON_RISE),
DEFINE_RES_IRQ(RK805_IRQ_PWRON_FALL),
};
static struct resource rk806_pwrkey_resources[] = {
DEFINE_RES_IRQ(RK806_IRQ_PWRON_FALL),
DEFINE_RES_IRQ(RK806_IRQ_PWRON_RISE),
};
static const struct resource rk817_pwrkey_resources[] = {
DEFINE_RES_IRQ(RK817_IRQ_PWRON_RISE),
DEFINE_RES_IRQ(RK817_IRQ_PWRON_FALL),
};
static const struct resource rk817_charger_resources[] = {
DEFINE_RES_IRQ(RK817_IRQ_PLUG_IN),
DEFINE_RES_IRQ(RK817_IRQ_PLUG_OUT),
};
static const struct mfd_cell rk805s[] = {
{ .name = "rk808-clkout", .id = PLATFORM_DEVID_NONE, },
{ .name = "rk808-regulator", .id = PLATFORM_DEVID_NONE, },
{ .name = "rk805-pinctrl", .id = PLATFORM_DEVID_NONE, },
{
.name = "rk808-rtc",
.num_resources = ARRAY_SIZE(rtc_resources),
.resources = &rtc_resources[0],
.id = PLATFORM_DEVID_NONE,
},
{ .name = "rk805-pwrkey",
.num_resources = ARRAY_SIZE(rk805_key_resources),
.resources = &rk805_key_resources[0],
.id = PLATFORM_DEVID_NONE,
},
};
static const struct mfd_cell rk806s[] = {
{ .name = "rk805-pinctrl", .id = PLATFORM_DEVID_AUTO, },
{ .name = "rk808-regulator", .id = PLATFORM_DEVID_AUTO, },
{
.name = "rk805-pwrkey",
.resources = rk806_pwrkey_resources,
.num_resources = ARRAY_SIZE(rk806_pwrkey_resources),
.id = PLATFORM_DEVID_AUTO,
},
};
static const struct mfd_cell rk808s[] = {
{ .name = "rk808-clkout", .id = PLATFORM_DEVID_NONE, },
{ .name = "rk808-regulator", .id = PLATFORM_DEVID_NONE, },
{
.name = "rk808-rtc",
.num_resources = ARRAY_SIZE(rtc_resources),
.resources = rtc_resources,
.id = PLATFORM_DEVID_NONE,
},
};
static const struct mfd_cell rk817s[] = {
{ .name = "rk808-clkout", .id = PLATFORM_DEVID_NONE, },
{ .name = "rk808-regulator", .id = PLATFORM_DEVID_NONE, },
{
.name = "rk805-pwrkey",
.num_resources = ARRAY_SIZE(rk817_pwrkey_resources),
.resources = &rk817_pwrkey_resources[0],
.id = PLATFORM_DEVID_NONE,
},
{
.name = "rk808-rtc",
.num_resources = ARRAY_SIZE(rk817_rtc_resources),
.resources = &rk817_rtc_resources[0],
.id = PLATFORM_DEVID_NONE,
},
{ .name = "rk817-codec", .id = PLATFORM_DEVID_NONE, },
{
.name = "rk817-charger",
.num_resources = ARRAY_SIZE(rk817_charger_resources),
.resources = &rk817_charger_resources[0],
.id = PLATFORM_DEVID_NONE,
},
};
static const struct mfd_cell rk818s[] = {
{ .name = "rk808-clkout", .id = PLATFORM_DEVID_NONE, },
{ .name = "rk808-regulator", .id = PLATFORM_DEVID_NONE, },
{
.name = "rk808-rtc",
.num_resources = ARRAY_SIZE(rtc_resources),
.resources = rtc_resources,
.id = PLATFORM_DEVID_NONE,
},
};
static const struct rk808_reg_data rk805_pre_init_reg[] = {
{RK805_BUCK1_CONFIG_REG, RK805_BUCK1_2_ILMAX_MASK,
RK805_BUCK1_2_ILMAX_4000MA},
{RK805_BUCK2_CONFIG_REG, RK805_BUCK1_2_ILMAX_MASK,
RK805_BUCK1_2_ILMAX_4000MA},
{RK805_BUCK3_CONFIG_REG, RK805_BUCK3_4_ILMAX_MASK,
RK805_BUCK3_ILMAX_3000MA},
{RK805_BUCK4_CONFIG_REG, RK805_BUCK3_4_ILMAX_MASK,
RK805_BUCK4_ILMAX_3500MA},
{RK805_BUCK4_CONFIG_REG, BUCK_ILMIN_MASK, BUCK_ILMIN_400MA},
{RK805_THERMAL_REG, TEMP_HOTDIE_MSK, TEMP115C},
};
static const struct rk808_reg_data rk806_pre_init_reg[] = {
{ RK806_GPIO_INT_CONFIG, RK806_INT_POL_MSK, RK806_INT_POL_L },
{ RK806_SYS_CFG3, RK806_SLAVE_RESTART_FUN_MSK, RK806_SLAVE_RESTART_FUN_EN },
{ RK806_SYS_OPTION, RK806_SYS_ENB2_2M_MSK, RK806_SYS_ENB2_2M_EN },
};
static const struct rk808_reg_data rk808_pre_init_reg[] = {
{ RK808_BUCK3_CONFIG_REG, BUCK_ILMIN_MASK, BUCK_ILMIN_150MA },
{ RK808_BUCK4_CONFIG_REG, BUCK_ILMIN_MASK, BUCK_ILMIN_200MA },
{ RK808_BOOST_CONFIG_REG, BOOST_ILMIN_MASK, BOOST_ILMIN_100MA },
{ RK808_BUCK1_CONFIG_REG, BUCK1_RATE_MASK, BUCK_ILMIN_200MA },
{ RK808_BUCK2_CONFIG_REG, BUCK2_RATE_MASK, BUCK_ILMIN_200MA },
{ RK808_DCDC_UV_ACT_REG, BUCK_UV_ACT_MASK, BUCK_UV_ACT_DISABLE},
{ RK808_VB_MON_REG, MASK_ALL, VB_LO_ACT |
VB_LO_SEL_3500MV },
};
static const struct rk808_reg_data rk817_pre_init_reg[] = {
{RK817_RTC_CTRL_REG, RTC_STOP, RTC_STOP},
/* Codec specific registers */
{ RK817_CODEC_DTOP_VUCTL, MASK_ALL, 0x03 },
{ RK817_CODEC_DTOP_VUCTIME, MASK_ALL, 0x00 },
{ RK817_CODEC_DTOP_LPT_SRST, MASK_ALL, 0x00 },
{ RK817_CODEC_DTOP_DIGEN_CLKE, MASK_ALL, 0x00 },
/* from vendor driver, CODEC_AREF_RTCFG0 not defined in data sheet */
{ RK817_CODEC_AREF_RTCFG0, MASK_ALL, 0x00 },
{ RK817_CODEC_AREF_RTCFG1, MASK_ALL, 0x06 },
{ RK817_CODEC_AADC_CFG0, MASK_ALL, 0xc8 },
/* from vendor driver, CODEC_AADC_CFG1 not defined in data sheet */
{ RK817_CODEC_AADC_CFG1, MASK_ALL, 0x00 },
{ RK817_CODEC_DADC_VOLL, MASK_ALL, 0x00 },
{ RK817_CODEC_DADC_VOLR, MASK_ALL, 0x00 },
{ RK817_CODEC_DADC_SR_ACL0, MASK_ALL, 0x00 },
{ RK817_CODEC_DADC_ALC1, MASK_ALL, 0x00 },
{ RK817_CODEC_DADC_ALC2, MASK_ALL, 0x00 },
{ RK817_CODEC_DADC_NG, MASK_ALL, 0x00 },
{ RK817_CODEC_DADC_HPF, MASK_ALL, 0x00 },
{ RK817_CODEC_DADC_RVOLL, MASK_ALL, 0xff },
{ RK817_CODEC_DADC_RVOLR, MASK_ALL, 0xff },
{ RK817_CODEC_AMIC_CFG0, MASK_ALL, 0x70 },
{ RK817_CODEC_AMIC_CFG1, MASK_ALL, 0x00 },
{ RK817_CODEC_DMIC_PGA_GAIN, MASK_ALL, 0x66 },
{ RK817_CODEC_DMIC_LMT1, MASK_ALL, 0x00 },
{ RK817_CODEC_DMIC_LMT2, MASK_ALL, 0x00 },
{ RK817_CODEC_DMIC_NG1, MASK_ALL, 0x00 },
{ RK817_CODEC_DMIC_NG2, MASK_ALL, 0x00 },
/* from vendor driver, CODEC_ADAC_CFG0 not defined in data sheet */
{ RK817_CODEC_ADAC_CFG0, MASK_ALL, 0x00 },
{ RK817_CODEC_ADAC_CFG1, MASK_ALL, 0x07 },
{ RK817_CODEC_DDAC_POPD_DACST, MASK_ALL, 0x82 },
{ RK817_CODEC_DDAC_VOLL, MASK_ALL, 0x00 },
{ RK817_CODEC_DDAC_VOLR, MASK_ALL, 0x00 },
{ RK817_CODEC_DDAC_SR_LMT0, MASK_ALL, 0x00 },
{ RK817_CODEC_DDAC_LMT1, MASK_ALL, 0x00 },
{ RK817_CODEC_DDAC_LMT2, MASK_ALL, 0x00 },
{ RK817_CODEC_DDAC_MUTE_MIXCTL, MASK_ALL, 0xa0 },
{ RK817_CODEC_DDAC_RVOLL, MASK_ALL, 0xff },
{ RK817_CODEC_DADC_RVOLR, MASK_ALL, 0xff },
{ RK817_CODEC_AMIC_CFG0, MASK_ALL, 0x70 },
{ RK817_CODEC_AMIC_CFG1, MASK_ALL, 0x00 },
{ RK817_CODEC_DMIC_PGA_GAIN, MASK_ALL, 0x66 },
{ RK817_CODEC_DMIC_LMT1, MASK_ALL, 0x00 },
{ RK817_CODEC_DMIC_LMT2, MASK_ALL, 0x00 },
{ RK817_CODEC_DMIC_NG1, MASK_ALL, 0x00 },
{ RK817_CODEC_DMIC_NG2, MASK_ALL, 0x00 },
/* from vendor driver, CODEC_ADAC_CFG0 not defined in data sheet */
{ RK817_CODEC_ADAC_CFG0, MASK_ALL, 0x00 },
{ RK817_CODEC_ADAC_CFG1, MASK_ALL, 0x07 },
{ RK817_CODEC_DDAC_POPD_DACST, MASK_ALL, 0x82 },
{ RK817_CODEC_DDAC_VOLL, MASK_ALL, 0x00 },
{ RK817_CODEC_DDAC_VOLR, MASK_ALL, 0x00 },
{ RK817_CODEC_DDAC_SR_LMT0, MASK_ALL, 0x00 },
{ RK817_CODEC_DDAC_LMT1, MASK_ALL, 0x00 },
{ RK817_CODEC_DDAC_LMT2, MASK_ALL, 0x00 },
{ RK817_CODEC_DDAC_MUTE_MIXCTL, MASK_ALL, 0xa0 },
{ RK817_CODEC_DDAC_RVOLL, MASK_ALL, 0xff },
{ RK817_CODEC_DDAC_RVOLR, MASK_ALL, 0xff },
{ RK817_CODEC_AHP_ANTI0, MASK_ALL, 0x00 },
{ RK817_CODEC_AHP_ANTI1, MASK_ALL, 0x00 },
{ RK817_CODEC_AHP_CFG0, MASK_ALL, 0xe0 },
{ RK817_CODEC_AHP_CFG1, MASK_ALL, 0x1f },
{ RK817_CODEC_AHP_CP, MASK_ALL, 0x09 },
{ RK817_CODEC_ACLASSD_CFG1, MASK_ALL, 0x69 },
{ RK817_CODEC_ACLASSD_CFG2, MASK_ALL, 0x44 },
{ RK817_CODEC_APLL_CFG0, MASK_ALL, 0x04 },
{ RK817_CODEC_APLL_CFG1, MASK_ALL, 0x00 },
{ RK817_CODEC_APLL_CFG2, MASK_ALL, 0x30 },
{ RK817_CODEC_APLL_CFG3, MASK_ALL, 0x19 },
{ RK817_CODEC_APLL_CFG4, MASK_ALL, 0x65 },
{ RK817_CODEC_APLL_CFG5, MASK_ALL, 0x01 },
{ RK817_CODEC_DI2S_CKM, MASK_ALL, 0x01 },
{ RK817_CODEC_DI2S_RSD, MASK_ALL, 0x00 },
{ RK817_CODEC_DI2S_RXCR1, MASK_ALL, 0x00 },
{ RK817_CODEC_DI2S_RXCR2, MASK_ALL, 0x17 },
{ RK817_CODEC_DI2S_RXCMD_TSD, MASK_ALL, 0x00 },
{ RK817_CODEC_DI2S_TXCR1, MASK_ALL, 0x00 },
{ RK817_CODEC_DI2S_TXCR2, MASK_ALL, 0x17 },
{ RK817_CODEC_DI2S_TXCR3_TXCMD, MASK_ALL, 0x00 },
{RK817_GPIO_INT_CFG, RK817_INT_POL_MSK, RK817_INT_POL_L},
{RK817_SYS_CFG(1), RK817_HOTDIE_TEMP_MSK | RK817_TSD_TEMP_MSK,
RK817_HOTDIE_105 | RK817_TSD_140},
};
static const struct rk808_reg_data rk818_pre_init_reg[] = {
/* improve efficiency */
{ RK818_BUCK2_CONFIG_REG, BUCK2_RATE_MASK, BUCK_ILMIN_250MA },
{ RK818_BUCK4_CONFIG_REG, BUCK_ILMIN_MASK, BUCK_ILMIN_250MA },
{ RK818_BOOST_CONFIG_REG, BOOST_ILMIN_MASK, BOOST_ILMIN_100MA },
{ RK818_USB_CTRL_REG, RK818_USB_ILIM_SEL_MASK,
RK818_USB_ILMIN_2000MA },
/* close charger when usb lower then 3.4V */
{ RK818_USB_CTRL_REG, RK818_USB_CHG_SD_VSEL_MASK,
(0x7 << 4) },
/* no action when vref */
{ RK818_H5V_EN_REG, BIT(1), RK818_REF_RDY_CTRL },
/* enable HDMI 5V */
{ RK818_H5V_EN_REG, BIT(0), RK818_H5V_EN },
{ RK808_VB_MON_REG, MASK_ALL, VB_LO_ACT |
VB_LO_SEL_3500MV },
};
static const struct regmap_irq rk805_irqs[] = {
[RK805_IRQ_PWRON_RISE] = {
.mask = RK805_IRQ_PWRON_RISE_MSK,
.reg_offset = 0,
},
[RK805_IRQ_VB_LOW] = {
.mask = RK805_IRQ_VB_LOW_MSK,
.reg_offset = 0,
},
[RK805_IRQ_PWRON] = {
.mask = RK805_IRQ_PWRON_MSK,
.reg_offset = 0,
},
[RK805_IRQ_PWRON_LP] = {
.mask = RK805_IRQ_PWRON_LP_MSK,
.reg_offset = 0,
},
[RK805_IRQ_HOTDIE] = {
.mask = RK805_IRQ_HOTDIE_MSK,
.reg_offset = 0,
},
[RK805_IRQ_RTC_ALARM] = {
.mask = RK805_IRQ_RTC_ALARM_MSK,
.reg_offset = 0,
},
[RK805_IRQ_RTC_PERIOD] = {
.mask = RK805_IRQ_RTC_PERIOD_MSK,
.reg_offset = 0,
},
[RK805_IRQ_PWRON_FALL] = {
.mask = RK805_IRQ_PWRON_FALL_MSK,
.reg_offset = 0,
},
};
static const struct regmap_irq rk806_irqs[] = {
/* INT_STS0 IRQs */
REGMAP_IRQ_REG(RK806_IRQ_PWRON_FALL, 0, RK806_INT_STS_PWRON_FALL),
REGMAP_IRQ_REG(RK806_IRQ_PWRON_RISE, 0, RK806_INT_STS_PWRON_RISE),
REGMAP_IRQ_REG(RK806_IRQ_PWRON, 0, RK806_INT_STS_PWRON),
REGMAP_IRQ_REG(RK806_IRQ_PWRON_LP, 0, RK806_INT_STS_PWRON_LP),
REGMAP_IRQ_REG(RK806_IRQ_HOTDIE, 0, RK806_INT_STS_HOTDIE),
REGMAP_IRQ_REG(RK806_IRQ_VDC_RISE, 0, RK806_INT_STS_VDC_RISE),
REGMAP_IRQ_REG(RK806_IRQ_VDC_FALL, 0, RK806_INT_STS_VDC_FALL),
REGMAP_IRQ_REG(RK806_IRQ_VB_LO, 0, RK806_INT_STS_VB_LO),
/* INT_STS1 IRQs */
REGMAP_IRQ_REG(RK806_IRQ_REV0, 1, RK806_INT_STS_REV0),
REGMAP_IRQ_REG(RK806_IRQ_REV1, 1, RK806_INT_STS_REV1),
REGMAP_IRQ_REG(RK806_IRQ_REV2, 1, RK806_INT_STS_REV2),
REGMAP_IRQ_REG(RK806_IRQ_CRC_ERROR, 1, RK806_INT_STS_CRC_ERROR),
REGMAP_IRQ_REG(RK806_IRQ_SLP3_GPIO, 1, RK806_INT_STS_SLP3_GPIO),
REGMAP_IRQ_REG(RK806_IRQ_SLP2_GPIO, 1, RK806_INT_STS_SLP2_GPIO),
REGMAP_IRQ_REG(RK806_IRQ_SLP1_GPIO, 1, RK806_INT_STS_SLP1_GPIO),
REGMAP_IRQ_REG(RK806_IRQ_WDT, 1, RK806_INT_STS_WDT),
};
static const struct regmap_irq rk808_irqs[] = {
/* INT_STS */
[RK808_IRQ_VOUT_LO] = {
.mask = RK808_IRQ_VOUT_LO_MSK,
.reg_offset = 0,
},
[RK808_IRQ_VB_LO] = {
.mask = RK808_IRQ_VB_LO_MSK,
.reg_offset = 0,
},
[RK808_IRQ_PWRON] = {
.mask = RK808_IRQ_PWRON_MSK,
.reg_offset = 0,
},
[RK808_IRQ_PWRON_LP] = {
.mask = RK808_IRQ_PWRON_LP_MSK,
.reg_offset = 0,
},
[RK808_IRQ_HOTDIE] = {
.mask = RK808_IRQ_HOTDIE_MSK,
.reg_offset = 0,
},
[RK808_IRQ_RTC_ALARM] = {
.mask = RK808_IRQ_RTC_ALARM_MSK,
.reg_offset = 0,
},
[RK808_IRQ_RTC_PERIOD] = {
.mask = RK808_IRQ_RTC_PERIOD_MSK,
.reg_offset = 0,
},
/* INT_STS2 */
[RK808_IRQ_PLUG_IN_INT] = {
.mask = RK808_IRQ_PLUG_IN_INT_MSK,
.reg_offset = 1,
},
[RK808_IRQ_PLUG_OUT_INT] = {
.mask = RK808_IRQ_PLUG_OUT_INT_MSK,
.reg_offset = 1,
},
};
static const struct regmap_irq rk818_irqs[] = {
/* INT_STS */
[RK818_IRQ_VOUT_LO] = {
.mask = RK818_IRQ_VOUT_LO_MSK,
.reg_offset = 0,
},
[RK818_IRQ_VB_LO] = {
.mask = RK818_IRQ_VB_LO_MSK,
.reg_offset = 0,
},
[RK818_IRQ_PWRON] = {
.mask = RK818_IRQ_PWRON_MSK,
.reg_offset = 0,
},
[RK818_IRQ_PWRON_LP] = {
.mask = RK818_IRQ_PWRON_LP_MSK,
.reg_offset = 0,
},
[RK818_IRQ_HOTDIE] = {
.mask = RK818_IRQ_HOTDIE_MSK,
.reg_offset = 0,
},
[RK818_IRQ_RTC_ALARM] = {
.mask = RK818_IRQ_RTC_ALARM_MSK,
.reg_offset = 0,
},
[RK818_IRQ_RTC_PERIOD] = {
.mask = RK818_IRQ_RTC_PERIOD_MSK,
.reg_offset = 0,
},
[RK818_IRQ_USB_OV] = {
.mask = RK818_IRQ_USB_OV_MSK,
.reg_offset = 0,
},
/* INT_STS2 */
[RK818_IRQ_PLUG_IN] = {
.mask = RK818_IRQ_PLUG_IN_MSK,
.reg_offset = 1,
},
[RK818_IRQ_PLUG_OUT] = {
.mask = RK818_IRQ_PLUG_OUT_MSK,
.reg_offset = 1,
},
[RK818_IRQ_CHG_OK] = {
.mask = RK818_IRQ_CHG_OK_MSK,
.reg_offset = 1,
},
[RK818_IRQ_CHG_TE] = {
.mask = RK818_IRQ_CHG_TE_MSK,
.reg_offset = 1,
},
[RK818_IRQ_CHG_TS1] = {
.mask = RK818_IRQ_CHG_TS1_MSK,
.reg_offset = 1,
},
[RK818_IRQ_TS2] = {
.mask = RK818_IRQ_TS2_MSK,
.reg_offset = 1,
},
[RK818_IRQ_CHG_CVTLIM] = {
.mask = RK818_IRQ_CHG_CVTLIM_MSK,
.reg_offset = 1,
},
[RK818_IRQ_DISCHG_ILIM] = {
.mask = RK818_IRQ_DISCHG_ILIM_MSK,
.reg_offset = 1,
},
};
static const struct regmap_irq rk817_irqs[RK817_IRQ_END] = {
REGMAP_IRQ_REG_LINE(0, 8),
REGMAP_IRQ_REG_LINE(1, 8),
REGMAP_IRQ_REG_LINE(2, 8),
REGMAP_IRQ_REG_LINE(3, 8),
REGMAP_IRQ_REG_LINE(4, 8),
REGMAP_IRQ_REG_LINE(5, 8),
REGMAP_IRQ_REG_LINE(6, 8),
REGMAP_IRQ_REG_LINE(7, 8),
REGMAP_IRQ_REG_LINE(8, 8),
REGMAP_IRQ_REG_LINE(9, 8),
REGMAP_IRQ_REG_LINE(10, 8),
REGMAP_IRQ_REG_LINE(11, 8),
REGMAP_IRQ_REG_LINE(12, 8),
REGMAP_IRQ_REG_LINE(13, 8),
REGMAP_IRQ_REG_LINE(14, 8),
REGMAP_IRQ_REG_LINE(15, 8),
REGMAP_IRQ_REG_LINE(16, 8),
REGMAP_IRQ_REG_LINE(17, 8),
REGMAP_IRQ_REG_LINE(18, 8),
REGMAP_IRQ_REG_LINE(19, 8),
REGMAP_IRQ_REG_LINE(20, 8),
REGMAP_IRQ_REG_LINE(21, 8),
REGMAP_IRQ_REG_LINE(22, 8),
REGMAP_IRQ_REG_LINE(23, 8)
};
static struct regmap_irq_chip rk805_irq_chip = {
.name = "rk805",
.irqs = rk805_irqs,
.num_irqs = ARRAY_SIZE(rk805_irqs),
.num_regs = 1,
.status_base = RK805_INT_STS_REG,
.mask_base = RK805_INT_STS_MSK_REG,
.ack_base = RK805_INT_STS_REG,
.init_ack_masked = true,
};
static struct regmap_irq_chip rk806_irq_chip = {
.name = "rk806",
.irqs = rk806_irqs,
.num_irqs = ARRAY_SIZE(rk806_irqs),
.num_regs = 2,
.irq_reg_stride = 2,
.mask_base = RK806_INT_MSK0,
.status_base = RK806_INT_STS0,
.ack_base = RK806_INT_STS0,
.init_ack_masked = true,
};
static const struct regmap_irq_chip rk808_irq_chip = {
.name = "rk808",
.irqs = rk808_irqs,
.num_irqs = ARRAY_SIZE(rk808_irqs),
.num_regs = 2,
.irq_reg_stride = 2,
.status_base = RK808_INT_STS_REG1,
.mask_base = RK808_INT_STS_MSK_REG1,
.ack_base = RK808_INT_STS_REG1,
.init_ack_masked = true,
};
static struct regmap_irq_chip rk817_irq_chip = {
.name = "rk817",
.irqs = rk817_irqs,
.num_irqs = ARRAY_SIZE(rk817_irqs),
.num_regs = 3,
.irq_reg_stride = 2,
.status_base = RK817_INT_STS_REG0,
.mask_base = RK817_INT_STS_MSK_REG0,
.ack_base = RK817_INT_STS_REG0,
.init_ack_masked = true,
};
static const struct regmap_irq_chip rk818_irq_chip = {
.name = "rk818",
.irqs = rk818_irqs,
.num_irqs = ARRAY_SIZE(rk818_irqs),
.num_regs = 2,
.irq_reg_stride = 2,
.status_base = RK818_INT_STS_REG1,
.mask_base = RK818_INT_STS_MSK_REG1,
.ack_base = RK818_INT_STS_REG1,
.init_ack_masked = true,
};
static int rk808_power_off(struct sys_off_data *data)
{
struct rk808 *rk808 = data->cb_data;
int ret;
unsigned int reg, bit;
switch (rk808->variant) {
case RK805_ID:
reg = RK805_DEV_CTRL_REG;
bit = DEV_OFF;
break;
case RK806_ID:
reg = RK806_SYS_CFG3;
bit = DEV_OFF;
break;
case RK808_ID:
reg = RK808_DEVCTRL_REG,
bit = DEV_OFF_RST;
break;
case RK809_ID:
case RK817_ID:
reg = RK817_SYS_CFG(3);
bit = DEV_OFF;
break;
case RK818_ID:
reg = RK818_DEVCTRL_REG;
bit = DEV_OFF;
break;
default:
return NOTIFY_DONE;
}
ret = regmap_update_bits(rk808->regmap, reg, bit, bit);
if (ret)
dev_err(rk808->dev, "Failed to shutdown device!\n");
return NOTIFY_DONE;
}
static int rk808_restart(struct sys_off_data *data)
{
struct rk808 *rk808 = data->cb_data;
unsigned int reg, bit;
int ret;
switch (rk808->variant) {
case RK809_ID:
case RK817_ID:
reg = RK817_SYS_CFG(3);
bit = DEV_RST;
break;
default:
return NOTIFY_DONE;
}
ret = regmap_update_bits(rk808->regmap, reg, bit, bit);
if (ret)
dev_err(rk808->dev, "Failed to restart device!\n");
return NOTIFY_DONE;
}
void rk8xx_shutdown(struct device *dev)
{
struct rk808 *rk808 = dev_get_drvdata(dev);
int ret;
switch (rk808->variant) {
case RK805_ID:
ret = regmap_update_bits(rk808->regmap,
RK805_GPIO_IO_POL_REG,
SLP_SD_MSK,
SHUTDOWN_FUN);
break;
case RK809_ID:
case RK817_ID:
ret = regmap_update_bits(rk808->regmap,
RK817_SYS_CFG(3),
RK817_SLPPIN_FUNC_MSK,
SLPPIN_DN_FUN);
break;
default:
return;
}
if (ret)
dev_warn(dev,
"Cannot switch to power down function\n");
}
EXPORT_SYMBOL_GPL(rk8xx_shutdown);
int rk8xx_probe(struct device *dev, int variant, unsigned int irq, struct regmap *regmap)
{
struct rk808 *rk808;
const struct rk808_reg_data *pre_init_reg;
const struct mfd_cell *cells;
int dual_support = 0;
int nr_pre_init_regs;
int nr_cells;
int ret;
int i;
rk808 = devm_kzalloc(dev, sizeof(*rk808), GFP_KERNEL);
if (!rk808)
return -ENOMEM;
rk808->dev = dev;
rk808->variant = variant;
rk808->regmap = regmap;
dev_set_drvdata(dev, rk808);
switch (rk808->variant) {
case RK805_ID:
rk808->regmap_irq_chip = &rk805_irq_chip;
pre_init_reg = rk805_pre_init_reg;
nr_pre_init_regs = ARRAY_SIZE(rk805_pre_init_reg);
cells = rk805s;
nr_cells = ARRAY_SIZE(rk805s);
break;
case RK806_ID:
rk808->regmap_irq_chip = &rk806_irq_chip;
pre_init_reg = rk806_pre_init_reg;
nr_pre_init_regs = ARRAY_SIZE(rk806_pre_init_reg);
cells = rk806s;
nr_cells = ARRAY_SIZE(rk806s);
dual_support = IRQF_SHARED;
break;
case RK808_ID:
rk808->regmap_irq_chip = &rk808_irq_chip;
pre_init_reg = rk808_pre_init_reg;
nr_pre_init_regs = ARRAY_SIZE(rk808_pre_init_reg);
cells = rk808s;
nr_cells = ARRAY_SIZE(rk808s);
break;
case RK818_ID:
rk808->regmap_irq_chip = &rk818_irq_chip;
pre_init_reg = rk818_pre_init_reg;
nr_pre_init_regs = ARRAY_SIZE(rk818_pre_init_reg);
cells = rk818s;
nr_cells = ARRAY_SIZE(rk818s);
break;
case RK809_ID:
case RK817_ID:
rk808->regmap_irq_chip = &rk817_irq_chip;
pre_init_reg = rk817_pre_init_reg;
nr_pre_init_regs = ARRAY_SIZE(rk817_pre_init_reg);
cells = rk817s;
nr_cells = ARRAY_SIZE(rk817s);
break;
default:
dev_err(dev, "Unsupported RK8XX ID %lu\n", rk808->variant);
return -EINVAL;
}
if (!irq)
return dev_err_probe(dev, -EINVAL, "No interrupt support, no core IRQ\n");
ret = devm_regmap_add_irq_chip(dev, rk808->regmap, irq,
IRQF_ONESHOT | dual_support, -1,
rk808->regmap_irq_chip, &rk808->irq_data);
if (ret)
return dev_err_probe(dev, ret, "Failed to add irq_chip\n");
for (i = 0; i < nr_pre_init_regs; i++) {
ret = regmap_update_bits(rk808->regmap,
pre_init_reg[i].addr,
pre_init_reg[i].mask,
pre_init_reg[i].value);
if (ret)
return dev_err_probe(dev, ret, "0x%x write err\n",
pre_init_reg[i].addr);
}
ret = devm_mfd_add_devices(dev, 0, cells, nr_cells, NULL, 0,
regmap_irq_get_domain(rk808->irq_data));
if (ret)
return dev_err_probe(dev, ret, "failed to add MFD devices\n");
if (device_property_read_bool(dev, "rockchip,system-power-controller") ||
device_property_read_bool(dev, "system-power-controller")) {
ret = devm_register_sys_off_handler(dev,
SYS_OFF_MODE_POWER_OFF_PREPARE, SYS_OFF_PRIO_HIGH,
&rk808_power_off, rk808);
if (ret)
return dev_err_probe(dev, ret,
"failed to register poweroff handler\n");
switch (rk808->variant) {
case RK809_ID:
case RK817_ID:
ret = devm_register_sys_off_handler(dev,
SYS_OFF_MODE_RESTART, SYS_OFF_PRIO_HIGH,
&rk808_restart, rk808);
if (ret)
dev_warn(dev, "failed to register rst handler, %d\n", ret);
break;
default:
dev_dbg(dev, "pmic controlled board reset not supported\n");
break;
}
}
return 0;
}
EXPORT_SYMBOL_GPL(rk8xx_probe);
int rk8xx_suspend(struct device *dev)
{
struct rk808 *rk808 = dev_get_drvdata(dev);
int ret = 0;
switch (rk808->variant) {
case RK805_ID:
ret = regmap_update_bits(rk808->regmap,
RK805_GPIO_IO_POL_REG,
SLP_SD_MSK,
SLEEP_FUN);
break;
case RK809_ID:
case RK817_ID:
ret = regmap_update_bits(rk808->regmap,
RK817_SYS_CFG(3),
RK817_SLPPIN_FUNC_MSK,
SLPPIN_SLP_FUN);
break;
default:
break;
}
return ret;
}
EXPORT_SYMBOL_GPL(rk8xx_suspend);
int rk8xx_resume(struct device *dev)
{
struct rk808 *rk808 = dev_get_drvdata(dev);
int ret = 0;
switch (rk808->variant) {
case RK809_ID:
case RK817_ID:
ret = regmap_update_bits(rk808->regmap,
RK817_SYS_CFG(3),
RK817_SLPPIN_FUNC_MSK,
SLPPIN_NULL_FUN);
break;
default:
break;
}
return ret;
}
EXPORT_SYMBOL_GPL(rk8xx_resume);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Chris Zhong <zyw@rock-chips.com>");
MODULE_AUTHOR("Zhang Qing <zhangqing@rock-chips.com>");
MODULE_AUTHOR("Wadim Egorov <w.egorov@phytec.de>");
MODULE_DESCRIPTION("RK8xx PMIC core");
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