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Message-ID: <20230302175259.GB2303077@google.com>
Date: Thu, 2 Mar 2023 17:52:59 +0000
From: Lee Jones <lee@...nel.org>
To: Sebastian Reichel <sebastian.reichel@...labora.com>
Cc: Heiko Stuebner <heiko@...ech.de>, Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Linus Walleij <linus.walleij@...aro.org>,
Mark Brown <broonie@...nel.org>,
Liam Girdwood <lgirdwood@...il.com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Alessandro Zummo <a.zummo@...ertech.it>,
linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, kernel@...labora.com
Subject: Re: [PATCHv6 08/11] mfd: rk8xx: add rk806 support
On Fri, 27 Jan 2023, Sebastian Reichel wrote:
> Add support for SPI connected rk806, which is used by the RK3588
> evaluation boards. The PMIC is advertised to support I2C and SPI,
> but the evaluation boards all use SPI. Thus only SPI support is
> added here.
>
> Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
> ---
> drivers/mfd/Kconfig | 14 ++
> drivers/mfd/Makefile | 1 +
> drivers/mfd/rk8xx-core.c | 69 ++++++-
> drivers/mfd/rk8xx-spi.c | 129 ++++++++++++
> include/linux/mfd/rk808.h | 409 ++++++++++++++++++++++++++++++++++++++
> 5 files changed, 619 insertions(+), 3 deletions(-)
> create mode 100644 drivers/mfd/rk8xx-spi.c
Few nits, nothing bad ...
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index 692e38283bda..13582ea5cb44 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -1222,6 +1222,20 @@ config MFD_RK8XX_I2C
> through I2C interface. The device supports multiple sub-devices
> including interrupts, RTC, LDO & DCDC regulators, and onkey.
>
> +config MFD_RK8XX_SPI
> + tristate "Rockchip RK806 Power Management Chip"
> + depends on SPI && OF
> + select MFD_CORE
> + select REGMAP_SPI
> + select REGMAP_IRQ
> + select MFD_RK8XX
> + help
> + If you say yes here you get support for the RK806 Power Management
> + chip.
> + This driver provides common support for accessing the device
> + through an SPI interface. The device supports multiple sub-devices
> + including interrupts, LDO & DCDC regulators, and power on-key.
> +
> config MFD_RN5T618
> tristate "Ricoh RN5T567/618 PMIC"
> depends on I2C
> diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
> index f65ef1bd0810..a88f27cd837b 100644
> --- a/drivers/mfd/Makefile
> +++ b/drivers/mfd/Makefile
> @@ -222,6 +222,7 @@ obj-$(CONFIG_MFD_NTXEC) += ntxec.o
> obj-$(CONFIG_MFD_RC5T583) += rc5t583.o rc5t583-irq.o
> obj-$(CONFIG_MFD_RK8XX) += rk8xx-core.o
> obj-$(CONFIG_MFD_RK8XX_I2C) += rk8xx-i2c.o
> +obj-$(CONFIG_MFD_RK8XX_SPI) += rk8xx-spi.o
> obj-$(CONFIG_MFD_RN5T618) += rn5t618.o
> obj-$(CONFIG_MFD_SEC_CORE) += sec-core.o sec-irq.o
> obj-$(CONFIG_MFD_SYSCON) += syscon.o
> diff --git a/drivers/mfd/rk8xx-core.c b/drivers/mfd/rk8xx-core.c
> index 21c6484a951c..252030b9be4c 100644
> --- a/drivers/mfd/rk8xx-core.c
> +++ b/drivers/mfd/rk8xx-core.c
> @@ -37,6 +37,11 @@ static const struct resource rk805_key_resources[] = {
> 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),
> @@ -64,6 +69,17 @@ static const struct mfd_cell rk805s[] = {
> },
> };
>
> +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, },
> @@ -122,6 +138,12 @@ static const struct rk808_reg_data rk805_pre_init_reg[] = {
> {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 },
> @@ -272,6 +294,27 @@ static const struct regmap_irq rk805_irqs[] = {
> },
> };
>
> +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] = {
> @@ -422,6 +465,18 @@ static struct regmap_irq_chip rk805_irq_chip = {
> .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,
> @@ -548,6 +603,7 @@ int rk8xx_probe(struct device *dev, int variant, unsigned int irq, struct 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;
> @@ -569,6 +625,14 @@ int rk8xx_probe(struct device *dev, int variant, unsigned int irq, struct regmap
> 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;
> @@ -600,7 +664,7 @@ int rk8xx_probe(struct device *dev, int variant, unsigned int irq, struct regmap
> 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, -1,
> + 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");
> @@ -615,8 +679,7 @@ int rk8xx_probe(struct device *dev, int variant, unsigned int irq, struct regmap
> pre_init_reg[i].addr);
> }
>
> - ret = devm_mfd_add_devices(dev, PLATFORM_DEVID_NONE,
> - cells, nr_cells, NULL, 0,
> + 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");
> diff --git a/drivers/mfd/rk8xx-spi.c b/drivers/mfd/rk8xx-spi.c
> new file mode 100644
> index 000000000000..3f6c5b1334f7
> --- /dev/null
> +++ b/drivers/mfd/rk8xx-spi.c
> @@ -0,0 +1,129 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Rockchip RK806 Core (SPI) driver
> + *
> + * Copyright (c) 2021 Rockchip Electronics Co., Ltd.
> + * Copyright (c) 2023 Collabora Ltd.
> + *
> + * Author: Xu Shengfei <xsf@...k-chips.com>
> + * Author: Sebastian Reichel <sebastian.reichel@...labora.com>
> + */
> +
> +#include <linux/interrupt.h>
> +#include <linux/mfd/core.h>
> +#include <linux/mfd/rk808.h>
> +#include <linux/module.h>
> +#include <linux/regmap.h>
> +#include <linux/spi/spi.h>
> +
> +#define RK806_CMD 0
> +#define RK806_REG_ADDR_L 1
> +#define RK806_REG_ADDR_H 2
> +#define RK806_CMD_WITH_SIZE(CMD, VALUE_BYTES) \
> + (RK806_CMD_ ## CMD | (VALUE_BYTES-1))
Nit: Spaces around the '-' please.
Spaces around the ## look odd to me too.
> +static const struct regmap_range rk80g6_volatile_ranges[] = {
> + regmap_reg_range(RK806_POWER_EN0, RK806_POWER_EN5),
> + regmap_reg_range(RK806_DVS_START_CTRL, RK806_INT_MSK1),
> +};
> +
> +static const struct regmap_access_table rk806_volatile_table = {
> + .yes_ranges = rk806_volatile_ranges,
> + .n_yes_ranges = ARRAY_SIZE(rk806_volatile_ranges),
> +};
> +
> +static const struct regmap_config rk806_regmap_config_spi = {
> + .reg_bits = 8,
> + .val_bits = 8,
> + .cache_type = REGCACHE_RBTREE,
> + .volatile_table = &rk806_volatile_table,
> +};
> +
> +static int rk806_spi_bus_write(void *context, const void *vdata, size_t count)
> +{
> + struct device *dev = context;
> + struct spi_device *spi = to_spi_device(dev);
> + const char *data = vdata;
> + char buffer[3] = { 0 };
> + struct spi_transfer xfer[2] = { 0 };
> + /* count includes the register size */
> + size_t val_size = count - 1;
> +
> + if (val_size < 1 || val_size > 128)
> + return -EINVAL;
> +
> + buffer[RK806_CMD] = RK806_CMD_WITH_SIZE(WRITE, val_size);
> + buffer[RK806_REG_ADDR_L] = data[0];
> + buffer[RK806_REG_ADDR_H] = RK806_REG_H;
> +
> + xfer[0].tx_buf = buffer;
> + xfer[0].len = sizeof(buffer);
> + xfer[1].tx_buf = data + 1;
Why, what's at [0]? Clearer with a define?
> + xfer[1].len = count - 1;
Isn't this val_size?
> + return spi_sync_transfer(spi, xfer, ARRAY_SIZE(xfer));
> +}
> +
> +static int rk806_spi_bus_read(void *context, const void *vreg, size_t reg_size,
> + void *val, size_t val_size)
> +{
> + struct device *dev = context;
> + struct spi_device *spi = to_spi_device(dev);
> + const char *reg = vreg;
> + char txbuf[3] = { 0 };
> +
> + if (reg_size != sizeof(char) || val_size < 1 || val_size > 128)
#define MAX_BUFFER_SIZE 128?
> + return -EINVAL;
> +
> + txbuf[RK806_CMD] = RK806_CMD_WITH_SIZE(READ, val_size);
> + txbuf[RK806_REG_ADDR_L] = *reg;
> + txbuf[RK806_REG_ADDR_H] = RK806_REG_H;
> +
> + return spi_write_then_read(spi, txbuf, sizeof(txbuf), val, val_size);
> +}
> +
> +static const struct regmap_bus rk806_regmap_bus_spi = {
> + .write = rk806_spi_bus_write,
> + .read = rk806_spi_bus_read,
> + .reg_format_endian_default = REGMAP_ENDIAN_NATIVE,
> + .val_format_endian_default = REGMAP_ENDIAN_NATIVE,
> +};
> +
> +static int rk8xx_spi_probe(struct spi_device *spi)
> +{
> + struct regmap *regmap;
> +
> + regmap = devm_regmap_init(&spi->dev, &rk806_regmap_bus_spi,
> + &spi->dev, &rk806_regmap_config_spi);
> + if (IS_ERR(regmap))
> + return dev_err_probe(&spi->dev, PTR_ERR(regmap),
> + "Failed to initialize register map\n");
It's more widely known as regmap.
> + return rk8xx_probe(&spi->dev, RK806_ID, spi->irq, regmap);
> +}
> +
> +static const struct of_device_id rk8xx_spi_of_match[] = {
> + { .compatible = "rockchip,rk806", },
> + { }
> +};
> +MODULE_DEVICE_TABLE(of, rk8xx_spi_of_match);
> +
> +static const struct spi_device_id rk8xx_spi_id_table[] = {
> + { "rk806", 0 },
> + { }
> +};
> +MODULE_DEVICE_TABLE(spi, rk8xx_spi_id_table);
> +
> +static struct spi_driver rk8xx_spi_driver = {
> + .driver = {
> + .name = "rk8xx-spi",
> + .of_match_table = rk8xx_spi_of_match,
> + },
> + .probe = rk8xx_spi_probe,
> + .id_table = rk8xx_spi_id_table,
> +};
> +module_spi_driver(rk8xx_spi_driver);
> +
> +MODULE_AUTHOR("Xu Shengfei <xsf@...k-chips.com>");
> +MODULE_DESCRIPTION("RK8xx SPI PMIC driver");
> +MODULE_LICENSE("GPL v2");
> diff --git a/include/linux/mfd/rk808.h b/include/linux/mfd/rk808.h
> index 4183427a80fe..78e167a92483 100644
> --- a/include/linux/mfd/rk808.h
> +++ b/include/linux/mfd/rk808.h
> @@ -289,6 +289,414 @@ enum rk805_reg {
> #define RK805_INT_ALARM_EN (1 << 3)
> #define RK805_INT_TIMER_EN (1 << 2)
>
> +/* RK806 */
> +#define RK806_POWER_EN0 0x0
> +#define RK806_POWER_EN1 0x1
> +#define RK806_POWER_EN2 0x2
> +#define RK806_POWER_EN3 0x3
> +#define RK806_POWER_EN4 0x4
> +#define RK806_POWER_EN5 0x5
> +#define RK806_POWER_SLP_EN0 0x6
> +#define RK806_POWER_SLP_EN1 0x7
> +#define RK806_POWER_SLP_EN2 0x8
> +#define RK806_POWER_DISCHRG_EN0 0x9
> +#define RK806_POWER_DISCHRG_EN1 0xA
> +#define RK806_POWER_DISCHRG_EN2 0xB
> +#define RK806_BUCK_FB_CONFIG 0xC
> +#define RK806_SLP_LP_CONFIG 0xD
> +#define RK806_POWER_FPWM_EN0 0xE
> +#define RK806_POWER_FPWM_EN1 0xF
> +#define RK806_BUCK1_CONFIG 0x10
> +#define RK806_BUCK2_CONFIG 0x11
> +#define RK806_BUCK3_CONFIG 0x12
> +#define RK806_BUCK4_CONFIG 0x13
> +#define RK806_BUCK5_CONFIG 0x14
> +#define RK806_BUCK6_CONFIG 0x15
> +#define RK806_BUCK7_CONFIG 0x16
> +#define RK806_BUCK8_CONFIG 0x17
> +#define RK806_BUCK9_CONFIG 0x18
> +#define RK806_BUCK10_CONFIG 0x19
> +#define RK806_BUCK1_ON_VSEL 0x1A
> +#define RK806_BUCK2_ON_VSEL 0x1B
> +#define RK806_BUCK3_ON_VSEL 0x1C
> +#define RK806_BUCK4_ON_VSEL 0x1D
> +#define RK806_BUCK5_ON_VSEL 0x1E
> +#define RK806_BUCK6_ON_VSEL 0x1F
> +#define RK806_BUCK7_ON_VSEL 0x20
> +#define RK806_BUCK8_ON_VSEL 0x21
> +#define RK806_BUCK9_ON_VSEL 0x22
> +#define RK806_BUCK10_ON_VSEL 0x23
> +#define RK806_BUCK1_SLP_VSEL 0x24
> +#define RK806_BUCK2_SLP_VSEL 0x25
> +#define RK806_BUCK3_SLP_VSEL 0x26
> +#define RK806_BUCK4_SLP_VSEL 0x27
> +#define RK806_BUCK5_SLP_VSEL 0x28
> +#define RK806_BUCK6_SLP_VSEL 0x29
> +#define RK806_BUCK7_SLP_VSEL 0x2A
> +#define RK806_BUCK8_SLP_VSEL 0x2B
> +#define RK806_BUCK9_SLP_VSEL 0x2D
> +#define RK806_BUCK10_SLP_VSEL 0x2E
> +#define RK806_BUCK_DEBUG1 0x30
> +#define RK806_BUCK_DEBUG2 0x31
> +#define RK806_BUCK_DEBUG3 0x32
> +#define RK806_BUCK_DEBUG4 0x33
> +#define RK806_BUCK_DEBUG5 0x34
> +#define RK806_BUCK_DEBUG6 0x35
> +#define RK806_BUCK_DEBUG7 0x36
> +#define RK806_BUCK_DEBUG8 0x37
> +#define RK806_BUCK_DEBUG9 0x38
> +#define RK806_BUCK_DEBUG10 0x39
> +#define RK806_BUCK_DEBUG11 0x3A
> +#define RK806_BUCK_DEBUG12 0x3B
> +#define RK806_BUCK_DEBUG13 0x3C
> +#define RK806_BUCK_DEBUG14 0x3D
> +#define RK806_BUCK_DEBUG15 0x3E
> +#define RK806_BUCK_DEBUG16 0x3F
> +#define RK806_BUCK_DEBUG17 0x40
> +#define RK806_BUCK_DEBUG18 0x41
> +#define RK806_NLDO_IMAX 0x42
> +#define RK806_NLDO1_ON_VSEL 0x43
> +#define RK806_NLDO2_ON_VSEL 0x44
> +#define RK806_NLDO3_ON_VSEL 0x45
> +#define RK806_NLDO4_ON_VSEL 0x46
> +#define RK806_NLDO5_ON_VSEL 0x47
> +#define RK806_NLDO1_SLP_VSEL 0x48
> +#define RK806_NLDO2_SLP_VSEL 0x49
> +#define RK806_NLDO3_SLP_VSEL 0x4A
> +#define RK806_NLDO4_SLP_VSEL 0x4B
> +#define RK806_NLDO5_SLP_VSEL 0x4C
> +#define RK806_PLDO_IMAX 0x4D
> +#define RK806_PLDO1_ON_VSEL 0x4E
> +#define RK806_PLDO2_ON_VSEL 0x4F
> +#define RK806_PLDO3_ON_VSEL 0x50
> +#define RK806_PLDO4_ON_VSEL 0x51
> +#define RK806_PLDO5_ON_VSEL 0x52
> +#define RK806_PLDO6_ON_VSEL 0x53
> +#define RK806_PLDO1_SLP_VSEL 0x54
> +#define RK806_PLDO2_SLP_VSEL 0x55
> +#define RK806_PLDO3_SLP_VSEL 0x56
> +#define RK806_PLDO4_SLP_VSEL 0x57
> +#define RK806_PLDO5_SLP_VSEL 0x58
> +#define RK806_PLDO6_SLP_VSEL 0x59
> +#define RK806_CHIP_NAME 0x5A
> +#define RK806_CHIP_VER 0x5B
> +#define RK806_OTP_VER 0x5C
> +#define RK806_SYS_STS 0x5D
> +#define RK806_SYS_CFG0 0x5E
> +#define RK806_SYS_CFG1 0x5F
> +#define RK806_SYS_OPTION 0x61
> +#define RK806_SLEEP_CONFIG0 0x62
> +#define RK806_SLEEP_CONFIG1 0x63
> +#define RK806_SLEEP_CTR_SEL0 0x64
> +#define RK806_SLEEP_CTR_SEL1 0x65
> +#define RK806_SLEEP_CTR_SEL2 0x66
> +#define RK806_SLEEP_CTR_SEL3 0x67
> +#define RK806_SLEEP_CTR_SEL4 0x68
> +#define RK806_SLEEP_CTR_SEL5 0x69
> +#define RK806_DVS_CTRL_SEL0 0x6A
> +#define RK806_DVS_CTRL_SEL1 0x6B
> +#define RK806_DVS_CTRL_SEL2 0x6C
> +#define RK806_DVS_CTRL_SEL3 0x6D
> +#define RK806_DVS_CTRL_SEL4 0x6E
> +#define RK806_DVS_CTRL_SEL5 0x6F
> +#define RK806_DVS_START_CTRL 0x70
> +#define RK806_SLEEP_GPIO 0x71
> +#define RK806_SYS_CFG3 0x72
> +#define RK806_ON_SOURCE 0x74
> +#define RK806_OFF_SOURCE 0x75
> +#define RK806_PWRON_KEY 0x76
> +#define RK806_INT_STS0 0x77
> +#define RK806_INT_MSK0 0x78
> +#define RK806_INT_STS1 0x79
> +#define RK806_INT_MSK1 0x7A
> +#define RK806_GPIO_INT_CONFIG 0x7B
> +#define RK806_DATA_REG0 0x7C
> +#define RK806_DATA_REG1 0x7D
> +#define RK806_DATA_REG2 0x7E
> +#define RK806_DATA_REG3 0x7F
> +#define RK806_DATA_REG4 0x80
> +#define RK806_DATA_REG5 0x81
> +#define RK806_DATA_REG6 0x82
> +#define RK806_DATA_REG7 0x83
> +#define RK806_DATA_REG8 0x84
> +#define RK806_DATA_REG9 0x85
> +#define RK806_DATA_REG10 0x86
> +#define RK806_DATA_REG11 0x87
> +#define RK806_DATA_REG12 0x88
> +#define RK806_DATA_REG13 0x89
> +#define RK806_DATA_REG14 0x8A
> +#define RK806_DATA_REG15 0x8B
> +#define RK806_TM_REG 0x8C
> +#define RK806_OTP_EN_REG 0x8D
> +#define RK806_FUNC_OTP_EN_REG 0x8E
> +#define RK806_TEST_REG1 0x8F
> +#define RK806_TEST_REG2 0x90
> +#define RK806_TEST_REG3 0x91
> +#define RK806_TEST_REG4 0x92
> +#define RK806_TEST_REG5 0x93
> +#define RK806_BUCK_VSEL_OTP_REG0 0x94
> +#define RK806_BUCK_VSEL_OTP_REG1 0x95
> +#define RK806_BUCK_VSEL_OTP_REG2 0x96
> +#define RK806_BUCK_VSEL_OTP_REG3 0x97
> +#define RK806_BUCK_VSEL_OTP_REG4 0x98
> +#define RK806_BUCK_VSEL_OTP_REG5 0x99
> +#define RK806_BUCK_VSEL_OTP_REG6 0x9A
> +#define RK806_BUCK_VSEL_OTP_REG7 0x9B
> +#define RK806_BUCK_VSEL_OTP_REG8 0x9C
> +#define RK806_BUCK_VSEL_OTP_REG9 0x9D
> +#define RK806_NLDO1_VSEL_OTP_REG0 0x9E
> +#define RK806_NLDO1_VSEL_OTP_REG1 0x9F
> +#define RK806_NLDO1_VSEL_OTP_REG2 0xA0
> +#define RK806_NLDO1_VSEL_OTP_REG3 0xA1
> +#define RK806_NLDO1_VSEL_OTP_REG4 0xA2
> +#define RK806_PLDO_VSEL_OTP_REG0 0xA3
> +#define RK806_PLDO_VSEL_OTP_REG1 0xA4
> +#define RK806_PLDO_VSEL_OTP_REG2 0xA5
> +#define RK806_PLDO_VSEL_OTP_REG3 0xA6
> +#define RK806_PLDO_VSEL_OTP_REG4 0xA7
> +#define RK806_PLDO_VSEL_OTP_REG5 0xA8
> +#define RK806_BUCK_EN_OTP_REG1 0xA9
> +#define RK806_NLDO_EN_OTP_REG1 0xAA
> +#define RK806_PLDO_EN_OTP_REG1 0xAB
> +#define RK806_BUCK_FB_RES_OTP_REG1 0xAC
> +#define RK806_OTP_RESEV_REG0 0xAD
> +#define RK806_OTP_RESEV_REG1 0xAE
> +#define RK806_OTP_RESEV_REG2 0xAF
> +#define RK806_OTP_RESEV_REG3 0xB0
> +#define RK806_OTP_RESEV_REG4 0xB1
> +#define RK806_BUCK_SEQ_REG0 0xB2
> +#define RK806_BUCK_SEQ_REG1 0xB3
> +#define RK806_BUCK_SEQ_REG2 0xB4
> +#define RK806_BUCK_SEQ_REG3 0xB5
> +#define RK806_BUCK_SEQ_REG4 0xB6
> +#define RK806_BUCK_SEQ_REG5 0xB7
> +#define RK806_BUCK_SEQ_REG6 0xB8
> +#define RK806_BUCK_SEQ_REG7 0xB9
> +#define RK806_BUCK_SEQ_REG8 0xBA
> +#define RK806_BUCK_SEQ_REG9 0xBB
> +#define RK806_BUCK_SEQ_REG10 0xBC
> +#define RK806_BUCK_SEQ_REG11 0xBD
> +#define RK806_BUCK_SEQ_REG12 0xBE
> +#define RK806_BUCK_SEQ_REG13 0xBF
> +#define RK806_BUCK_SEQ_REG14 0xC0
> +#define RK806_BUCK_SEQ_REG15 0xC1
> +#define RK806_BUCK_SEQ_REG16 0xC2
> +#define RK806_BUCK_SEQ_REG17 0xC3
> +#define RK806_HK_TRIM_REG1 0xC4
> +#define RK806_HK_TRIM_REG2 0xC5
> +#define RK806_BUCK_REF_TRIM_REG1 0xC6
> +#define RK806_BUCK_REF_TRIM_REG2 0xC7
> +#define RK806_BUCK_REF_TRIM_REG3 0xC8
> +#define RK806_BUCK_REF_TRIM_REG4 0xC9
> +#define RK806_BUCK_REF_TRIM_REG5 0xCA
> +#define RK806_BUCK_OSC_TRIM_REG1 0xCB
> +#define RK806_BUCK_OSC_TRIM_REG2 0xCC
> +#define RK806_BUCK_OSC_TRIM_REG3 0xCD
> +#define RK806_BUCK_OSC_TRIM_REG4 0xCE
> +#define RK806_BUCK_OSC_TRIM_REG5 0xCF
> +#define RK806_BUCK_TRIM_ZCDIOS_REG1 0xD0
> +#define RK806_BUCK_TRIM_ZCDIOS_REG2 0xD1
> +#define RK806_NLDO_TRIM_REG1 0xD2
> +#define RK806_NLDO_TRIM_REG2 0xD3
> +#define RK806_NLDO_TRIM_REG3 0xD4
> +#define RK806_PLDO_TRIM_REG1 0xD5
> +#define RK806_PLDO_TRIM_REG2 0xD6
> +#define RK806_PLDO_TRIM_REG3 0xD7
> +#define RK806_TRIM_ICOMP_REG1 0xD8
> +#define RK806_TRIM_ICOMP_REG2 0xD9
> +#define RK806_EFUSE_CONTROL_REGH 0xDA
> +#define RK806_FUSE_PROG_REG 0xDB
> +#define RK806_MAIN_FSM_STS_REG 0xDD
> +#define RK806_FSM_REG 0xDE
> +#define RK806_TOP_RESEV_OFFR 0xEC
> +#define RK806_TOP_RESEV_POR 0xED
> +#define RK806_BUCK_VRSN_REG1 0xEE
> +#define RK806_BUCK_VRSN_REG2 0xEF
> +#define RK806_NLDO_RLOAD_SEL_REG1 0xF0
> +#define RK806_PLDO_RLOAD_SEL_REG1 0xF1
> +#define RK806_PLDO_RLOAD_SEL_REG2 0xF2
> +#define RK806_BUCK_CMIN_MX_REG1 0xF3
> +#define RK806_BUCK_CMIN_MX_REG2 0xF4
> +#define RK806_BUCK_FREQ_SET_REG1 0xF5
> +#define RK806_BUCK_FREQ_SET_REG2 0xF6
> +#define RK806_BUCK_RS_MEABS_REG1 0xF7
> +#define RK806_BUCK_RS_MEABS_REG2 0xF8
> +#define RK806_BUCK_RS_ZDLEB_REG1 0xF9
> +#define RK806_BUCK_RS_ZDLEB_REG2 0xFA
> +#define RK806_BUCK_RSERVE_REG1 0xFB
> +#define RK806_BUCK_RSERVE_REG2 0xFC
> +#define RK806_BUCK_RSERVE_REG3 0xFD
> +#define RK806_BUCK_RSERVE_REG4 0xFE
> +#define RK806_BUCK_RSERVE_REG5 0xFF
> +
> +/* INT_STS Register field definitions */
> +#define RK806_INT_STS_PWRON_FALL BIT(0)
> +#define RK806_INT_STS_PWRON_RISE BIT(1)
> +#define RK806_INT_STS_PWRON BIT(2)
> +#define RK806_INT_STS_PWRON_LP BIT(3)
> +#define RK806_INT_STS_HOTDIE BIT(4)
> +#define RK806_INT_STS_VDC_RISE BIT(5)
> +#define RK806_INT_STS_VDC_FALL BIT(6)
> +#define RK806_INT_STS_VB_LO BIT(7)
> +#define RK806_INT_STS_REV0 BIT(0)
> +#define RK806_INT_STS_REV1 BIT(1)
> +#define RK806_INT_STS_REV2 BIT(2)
> +#define RK806_INT_STS_CRC_ERROR BIT(3)
> +#define RK806_INT_STS_SLP3_GPIO BIT(4)
> +#define RK806_INT_STS_SLP2_GPIO BIT(5)
> +#define RK806_INT_STS_SLP1_GPIO BIT(6)
> +#define RK806_INT_STS_WDT BIT(7)
> +
> +/* SPI command */
> +#define RK806_CMD_READ 0
> +#define RK806_CMD_WRITE BIT(7)
> +#define RK806_CMD_CRC_EN BIT(6)
> +#define RK806_CMD_CRC_DIS 0
> +#define RK806_CMD_LEN_MSK 0x0f
> +#define RK806_REG_H 0x00
> +
> +#define VERSION_AB 0x01
> +
> +enum rk806_reg_id {
> + RK806_ID_DCDC1 = 0,
> + RK806_ID_DCDC2,
> + RK806_ID_DCDC3,
> + RK806_ID_DCDC4,
> + RK806_ID_DCDC5,
> + RK806_ID_DCDC6,
> + RK806_ID_DCDC7,
> + RK806_ID_DCDC8,
> + RK806_ID_DCDC9,
> + RK806_ID_DCDC10,
> +
> + RK806_ID_NLDO1,
> + RK806_ID_NLDO2,
> + RK806_ID_NLDO3,
> + RK806_ID_NLDO4,
> + RK806_ID_NLDO5,
> +
> + RK806_ID_PLDO1,
> + RK806_ID_PLDO2,
> + RK806_ID_PLDO3,
> + RK806_ID_PLDO4,
> + RK806_ID_PLDO5,
> + RK806_ID_PLDO6,
> + RK806_ID_END,
> +};
> +
> +/* Define the RK806 IRQ numbers */
> +enum rk806_irqs {
> + /* INT_STS0 registers */
> + RK806_IRQ_PWRON_FALL,
> + RK806_IRQ_PWRON_RISE,
> + RK806_IRQ_PWRON,
> + RK806_IRQ_PWRON_LP,
> + RK806_IRQ_HOTDIE,
> + RK806_IRQ_VDC_RISE,
> + RK806_IRQ_VDC_FALL,
> + RK806_IRQ_VB_LO,
> +
> + /* INT_STS0 registers */
> + RK806_IRQ_REV0,
> + RK806_IRQ_REV1,
> + RK806_IRQ_REV2,
> + RK806_IRQ_CRC_ERROR,
> + RK806_IRQ_SLP3_GPIO,
> + RK806_IRQ_SLP2_GPIO,
> + RK806_IRQ_SLP1_GPIO,
> + RK806_IRQ_WDT,
> +};
> +
> +/* VCC1 Low Voltage Threshold */
> +enum rk806_lv_sel {
> + VB_LO_SEL_2800,
> + VB_LO_SEL_2900,
> + VB_LO_SEL_3000,
> + VB_LO_SEL_3100,
> + VB_LO_SEL_3200,
> + VB_LO_SEL_3300,
> + VB_LO_SEL_3400,
> + VB_LO_SEL_3500,
> +};
> +
> +/* System Shutdown Voltage Select */
> +enum rk806_uv_sel {
> + VB_UV_SEL_2700,
> + VB_UV_SEL_2800,
> + VB_UV_SEL_2900,
> + VB_UV_SEL_3000,
> + VB_UV_SEL_3100,
> + VB_UV_SEL_3200,
> + VB_UV_SEL_3300,
> + VB_UV_SEL_3400,
> +};
> +
> +/* Pin Function */
> +enum rk806_pwrctrl_fun {
> + PWRCTRL_NULL_FUN,
> + PWRCTRL_SLP_FUN,
> + PWRCTRL_POWOFF_FUN,
> + PWRCTRL_RST_FUN,
> + PWRCTRL_DVS_FUN,
> + PWRCTRL_GPIO_FUN,
> +};
> +
> +/* Pin Polarity */
> +enum rk806_pin_level {
> + POL_LOW,
> + POL_HIGH,
> +};
> +
> +enum rk806_vsel_ctr_sel {
> + CTR_BY_NO_EFFECT,
> + CTR_BY_PWRCTRL1,
> + CTR_BY_PWRCTRL2,
> + CTR_BY_PWRCTRL3,
> +};
> +
> +enum rk806_dvs_ctr_sel {
> + CTR_SEL_NO_EFFECT,
> + CTR_SEL_DVS_START1,
> + CTR_SEL_DVS_START2,
> + CTR_SEL_DVS_START3,
> +};
> +
> +enum rk806_pin_dr_sel {
> + RK806_PIN_INPUT,
> + RK806_PIN_OUTPUT,
> +};
> +
> +#define RK806_INT_POL_MSK BIT(1)
> +#define RK806_INT_POL_H BIT(1)
> +#define RK806_INT_POL_L 0
> +
> +#define RK806_SLAVE_RESTART_FUN_MSK BIT(1)
> +#define RK806_SLAVE_RESTART_FUN_EN BIT(1)
> +#define RK806_SLAVE_RESTART_FUN_OFF 0
> +
> +#define RK806_SYS_ENB2_2M_MSK BIT(1)
> +#define RK806_SYS_ENB2_2M_EN BIT(1)
> +#define RK806_SYS_ENB2_2M_OFF 0
> +
> +enum rk806_int_fun {
> + RK806_INT_ONLY,
> + RK806_INT_ADN_WKUP,
> +};
> +
> +enum rk806_dvs_mode {
> + RK806_DVS_NOT_SUPPORT,
> + RK806_DVS_START1,
> + RK806_DVS_START2,
> + RK806_DVS_START3,
> + RK806_DVS_PWRCTRL1,
> + RK806_DVS_PWRCTRL2,
> + RK806_DVS_PWRCTRL3,
> + RK806_DVS_START_PWRCTR1,
> + RK806_DVS_START_PWRCTR2,
> + RK806_DVS_START_PWRCTR3,
> + RK806_DVS_END,
> +};
> +
> /* RK808 IRQ Definitions */
> #define RK808_IRQ_VOUT_LO 0
> #define RK808_IRQ_VB_LO 1
> @@ -780,6 +1188,7 @@ enum {
>
> enum {
> RK805_ID = 0x8050,
> + RK806_ID = 0x8060,
> RK808_ID = 0x0000,
> RK809_ID = 0x8090,
> RK817_ID = 0x8170,
> --
> 2.39.0
>
--
Lee Jones [李琼斯]
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