diff options
| -rw-r--r-- | arch/arm/dts/rk3399-puma.dtsi | 6 | ||||
| -rw-r--r-- | configs/puma-rk3399_defconfig | 1 | ||||
| -rw-r--r-- | doc/device-tree-bindings/chosen.txt | 30 | ||||
| -rw-r--r-- | doc/device-tree-bindings/regulator/fan53555.txt | 23 | ||||
| -rw-r--r-- | drivers/bootcount/Kconfig | 28 | ||||
| -rw-r--r-- | drivers/bootcount/Makefile | 3 | ||||
| -rw-r--r-- | drivers/bootcount/bootcount-uclass.c | 93 | ||||
| -rw-r--r-- | drivers/bootcount/rtc.c | 89 | ||||
| -rw-r--r-- | drivers/power/pmic/Kconfig | 14 | ||||
| -rw-r--r-- | drivers/power/pmic/Makefile | 1 | ||||
| -rw-r--r-- | drivers/power/pmic/fan53555.c | 82 | ||||
| -rw-r--r-- | drivers/power/regulator/Kconfig | 16 | ||||
| -rw-r--r-- | drivers/power/regulator/Makefile | 1 | ||||
| -rw-r--r-- | drivers/power/regulator/fan53555.c | 222 | ||||
| -rw-r--r-- | drivers/ram/rockchip/sdram_rk322x.c | 12 | ||||
| -rw-r--r-- | include/bootcount.h | 48 | ||||
| -rw-r--r-- | include/dm/uclass-id.h | 1 |
17 files changed, 662 insertions, 8 deletions
diff --git a/arch/arm/dts/rk3399-puma.dtsi b/arch/arm/dts/rk3399-puma.dtsi index 11ffcb7177..ba9bb4c599 100644 --- a/arch/arm/dts/rk3399-puma.dtsi +++ b/arch/arm/dts/rk3399-puma.dtsi @@ -218,7 +218,8 @@ i2c-scl-falling-time-ns = <4>; clock-frequency = <400000>; - vdd_gpu: fan535555@60 { + vdd_gpu: vdd_gpu { + status = "okay"; compatible = "fcs,fan53555"; reg = <0x60>; vsel-gpios = <&gpio1 RK_PB6 GPIO_ACTIVE_HIGH>; @@ -420,7 +421,8 @@ status = "okay"; clock-frequency = <400000>; - vdd_cpu_b: fan53555@60 { + vdd_cpu_b: vdd_cpu_b { + status = "okay"; compatible = "fcs,fan53555"; reg = <0x60>; vsel-gpios = <&gpio1 RK_PA4 GPIO_ACTIVE_HIGH>; diff --git a/configs/puma-rk3399_defconfig b/configs/puma-rk3399_defconfig index 8e33e09cee..a45a34be31 100644 --- a/configs/puma-rk3399_defconfig +++ b/configs/puma-rk3399_defconfig @@ -76,6 +76,7 @@ CONFIG_PINCTRL=y CONFIG_SPL_PINCTRL=y CONFIG_PINCTRL_ROCKCHIP_RK3399=y CONFIG_DM_PMIC=y +CONFIG_DM_PMIC_FAN53555=y CONFIG_PMIC_RK8XX=y CONFIG_SPL_DM_REGULATOR=y CONFIG_DM_REGULATOR_FIXED=y diff --git a/doc/device-tree-bindings/chosen.txt b/doc/device-tree-bindings/chosen.txt index 86c533ad6d..395c9501e3 100644 --- a/doc/device-tree-bindings/chosen.txt +++ b/doc/device-tree-bindings/chosen.txt @@ -42,6 +42,36 @@ Example }; }; +u-boot,bootcount-device property +-------------------------------- + +In a DM-based system, the bootcount may be stored in a device known to +the DM framework (e.g. in a battery-backed SRAM area within a RTC +device) managed by a device conforming to UCLASS_BOOTCOUNT. If +multiple such devices are present in a system concurrently, then the +u-boot,bootcount-device property can select the preferred target. + +Example +------- +/ { + chosen { + u-boot,bootcount-device = &bootcount-rv3029; + }; + + bootcount-rv3029: bootcount@0 { + compatible = "u-boot,bootcount-rtc"; + rtc = &rv3029; + offset = <0x38>; + }; + + i2c2 { + rv3029: rtc@56 { + compatible = "mc,rv3029"; + reg = <0x56>; + }; + }; +}; + u-boot,spl-boot-order property ------------------------------ diff --git a/doc/device-tree-bindings/regulator/fan53555.txt b/doc/device-tree-bindings/regulator/fan53555.txt new file mode 100644 index 0000000000..b183738d6c --- /dev/null +++ b/doc/device-tree-bindings/regulator/fan53555.txt @@ -0,0 +1,23 @@ +Binding for Fairchild FAN53555 regulators + +Required properties: + - compatible: "fcs,fan53555" + - reg: I2C address + +Optional properties: + - fcs,suspend-voltage-selector: declare which of the two available + voltage selector registers should be used for the suspend + voltage. The other one is used for the runtime voltage setting + Possible values are either <0> or <1> + - vin-supply: regulator supplying the vin pin + +Example: + + regulator@40 { + compatible = "fcs,fan53555"; + regulator-name = "fan53555"; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1800000>; + vin-supply = <&parent_reg>; + fcs,suspend-voltage-selector = <1>; + }; diff --git a/drivers/bootcount/Kconfig b/drivers/bootcount/Kconfig index 67033637c0..b7c29f2fd3 100644 --- a/drivers/bootcount/Kconfig +++ b/drivers/bootcount/Kconfig @@ -70,8 +70,36 @@ config BOOTCOUNT_AT91 bool "Boot counter for Atmel AT91SAM9XE" depends on AT91SAM9XE +config DM_BOOTCOUNT + bool "Boot counter in a device-model device" + help + Enables reading/writing the bootcount in a device-model based + backing store. If an entry in /chosen/u-boot,bootcount-device + exists, this will be the preferred bootcount device; otherwise + the first available bootcount device will be used. + endchoice +if DM_BOOTCOUNT + +menu "Backing stores for device-model backed bootcount" +config DM_BOOTCOUNT_RTC + bool "Support RTC devices as a backing store for bootcount" + depends on DM_RTC + help + Enabled reading/writing the bootcount in a DM RTC device. + The wrapper device is to be specified with the compatible string + 'u-boot,bootcount-rtc' and the 'rtc'-property (a phandle pointing + to the underlying RTC device) and an optional 'offset' property + are supported. + + Accesses to the backing store are performed using the write16 + and read16 ops of DM RTC devices. + +endmenu + +endif + config BOOTCOUNT_BOOTLIMIT int "Maximum number of reboot cycles allowed" default 0 diff --git a/drivers/bootcount/Makefile b/drivers/bootcount/Makefile index 68bc006b75..f9841d8615 100644 --- a/drivers/bootcount/Makefile +++ b/drivers/bootcount/Makefile @@ -7,3 +7,6 @@ obj-$(CONFIG_BOOTCOUNT_RAM) += bootcount_ram.o obj-$(CONFIG_BOOTCOUNT_ENV) += bootcount_env.o obj-$(CONFIG_BOOTCOUNT_I2C) += bootcount_i2c.o obj-$(CONFIG_BOOTCOUNT_EXT) += bootcount_ext.o + +obj-$(CONFIG_DM_BOOTCOUNT) += bootcount-uclass.o +obj-$(CONFIG_DM_BOOTCOUNT_RTC) += rtc.o diff --git a/drivers/bootcount/bootcount-uclass.c b/drivers/bootcount/bootcount-uclass.c new file mode 100644 index 0000000000..0689db7a5b --- /dev/null +++ b/drivers/bootcount/bootcount-uclass.c @@ -0,0 +1,93 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2018 Theobroma Systems Design und Consulting GmbH + */ + +#include <common.h> +#include <dm.h> +#include <errno.h> +#include <bootcount.h> + +int dm_bootcount_get(struct udevice *dev, u32 *bootcount) +{ + struct bootcount_ops *ops = bootcount_get_ops(dev); + + assert(ops); + if (!ops->get) + return -ENOSYS; + return ops->get(dev, bootcount); +} + +int dm_bootcount_set(struct udevice *dev, const u32 bootcount) +{ + struct bootcount_ops *ops = bootcount_get_ops(dev); + + assert(ops); + if (!ops->set) + return -ENOSYS; + return ops->set(dev, bootcount); +} + +/* Now implement the generic default functions */ +void bootcount_store(ulong val) +{ + struct udevice *dev = NULL; + ofnode node; + const char *propname = "u-boot,bootcount-device"; + int ret = -ENODEV; + + /* + * If there's a preferred bootcount device selected by the user (by + * setting '/chosen/u-boot,bootcount-device' in the DTS), try to use + * it if available. + */ + node = ofnode_get_chosen_node(propname); + if (ofnode_valid(node)) + ret = uclass_get_device_by_ofnode(UCLASS_BOOTCOUNT, node, &dev); + + /* If there was no user-selected device, use the first available one */ + if (ret) + ret = uclass_get_device(UCLASS_BOOTCOUNT, 0, &dev); + + if (dev) + ret = dm_bootcount_set(dev, val); + + if (ret) + pr_debug("%s: failed to store 0x%lx\n", __func__, val); +} + +ulong bootcount_load(void) +{ + struct udevice *dev = NULL; + ofnode node; + const char *propname = "u-boot,bootcount-device"; + int ret = -ENODEV; + u32 val; + + /* + * If there's a preferred bootcount device selected by the user (by + * setting '/chosen/u-boot,bootcount-device' in the DTS), try to use + * it if available. + */ + node = ofnode_get_chosen_node(propname); + if (ofnode_valid(node)) + ret = uclass_get_device_by_ofnode(UCLASS_BOOTCOUNT, node, &dev); + + /* If there was no user-selected device, use the first available one */ + if (ret) + ret = uclass_get_device(UCLASS_BOOTCOUNT, 0, &dev); + + if (dev) + ret = dm_bootcount_get(dev, &val); + + if (ret) + pr_debug("%s: failed to load bootcount\n", __func__); + + /* Return the 0, if the call to dm_bootcount_get failed */ + return ret ? 0 : val; +} + +UCLASS_DRIVER(bootcount) = { + .name = "bootcount", + .id = UCLASS_BOOTCOUNT, +}; diff --git a/drivers/bootcount/rtc.c b/drivers/bootcount/rtc.c new file mode 100644 index 0000000000..db89fa3a35 --- /dev/null +++ b/drivers/bootcount/rtc.c @@ -0,0 +1,89 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2018 Theobroma Systems Design und Consulting GmbH + */ + +#include <common.h> +#include <bootcount.h> +#include <dm.h> +#include <rtc.h> + +static const u8 bootcount_magic = 0xbc; + +struct bootcount_rtc_priv { + struct udevice *rtc; + u32 offset; +}; + +static int bootcount_rtc_set(struct udevice *dev, const u32 a) +{ + struct bootcount_rtc_priv *priv = dev_get_priv(dev); + const u16 val = bootcount_magic << 8 | (a & 0xff); + + if (rtc_write16(priv->rtc, priv->offset, val) < 0) { + debug("%s: rtc_write16 failed\n", __func__); + return -EIO; + } + + return 0; +} + +static int bootcount_rtc_get(struct udevice *dev, u32 *a) +{ + struct bootcount_rtc_priv *priv = dev_get_priv(dev); + u16 val; + + if (rtc_read16(priv->rtc, priv->offset, &val) < 0) { + debug("%s: rtc_write16 failed\n", __func__); + return -EIO; + } + + if (val >> 8 == bootcount_magic) { + *a = val & 0xff; + return 0; + } + + debug("%s: bootcount magic does not match on %04x\n", __func__, val); + return -EIO; +} + +static int bootcount_rtc_probe(struct udevice *dev) +{ + struct ofnode_phandle_args phandle_args; + struct bootcount_rtc_priv *priv = dev_get_priv(dev); + struct udevice *rtc; + + if (dev_read_phandle_with_args(dev, "rtc", NULL, 0, 0, &phandle_args)) { + debug("%s: rtc backing device not specified\n", dev->name); + return -ENOENT; + } + + if (uclass_get_device_by_ofnode(UCLASS_RTC, phandle_args.node, &rtc)) { + debug("%s: could not get backing device\n", dev->name); + return -ENODEV; + } + + priv->rtc = rtc; + priv->offset = dev_read_u32_default(dev, "offset", 0); + + return 0; +} + +static const struct bootcount_ops bootcount_rtc_ops = { + .get = bootcount_rtc_get, + .set = bootcount_rtc_set, +}; + +static const struct udevice_id bootcount_rtc_ids[] = { + { .compatible = "u-boot,bootcount-rtc" }, + { } +}; + +U_BOOT_DRIVER(bootcount_rtc) = { + .name = "bootcount-rtc", + .id = UCLASS_BOOTCOUNT, + .priv_auto_alloc_size = sizeof(struct bootcount_rtc_priv), + .probe = bootcount_rtc_probe, + .of_match = bootcount_rtc_ids, + .ops = &bootcount_rtc_ops, +}; diff --git a/drivers/power/pmic/Kconfig b/drivers/power/pmic/Kconfig index cba48e12da..8cf60ebcf3 100644 --- a/drivers/power/pmic/Kconfig +++ b/drivers/power/pmic/Kconfig @@ -48,6 +48,20 @@ config PMIC_AS3722 interface and is designs to cover most of the power managementment required for a tablets or laptop. +config DM_PMIC_FAN53555 + bool "Enable support for OnSemi FAN53555" + depends on DM_PMIC && DM_REGULATOR && DM_I2C + select DM_REGULATOR_FAN53555 + help + This config enables implementation of driver-model PMIC + uclass features for the FAN53555 regulator. The FAN53555 is + a (family of) single-output regulators that supports + transitioning between two different output voltages based on + an voltage selection pin. + + The driver implements read/write operations for use with the FAN53555 + regulator driver and binds the regulator driver to its node. + config DM_PMIC_PFUZE100 bool "Enable Driver Model for PMIC PFUZE100" depends on DM_PMIC diff --git a/drivers/power/pmic/Makefile b/drivers/power/pmic/Makefile index 29ca442933..637352ab2b 100644 --- a/drivers/power/pmic/Makefile +++ b/drivers/power/pmic/Makefile @@ -4,6 +4,7 @@ # Lukasz Majewski <l.majewski@samsung.com> obj-$(CONFIG_DM_PMIC) += pmic-uclass.o +obj-$(CONFIG_DM_PMIC_FAN53555) += fan53555.o obj-$(CONFIG_DM_PMIC_MAX77686) += max77686.o obj-$(CONFIG_DM_PMIC_MAX8998) += max8998.o obj-$(CONFIG_DM_PMIC_MC34708) += mc34708.o diff --git a/drivers/power/pmic/fan53555.c b/drivers/power/pmic/fan53555.c new file mode 100644 index 0000000000..1ca59c5f0c --- /dev/null +++ b/drivers/power/pmic/fan53555.c @@ -0,0 +1,82 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) 2018 Theobroma Systems Design und Consulting GmbH + */ + +#include <common.h> +#include <dm.h> +#include <dm/device-internal.h> +#include <dm/lists.h> +#include <i2c.h> +#include <power/pmic.h> +#include <power/regulator.h> + +static int pmic_fan53555_reg_count(struct udevice *dev) +{ + return 1; +}; + +static int pmic_fan53555_read(struct udevice *dev, uint reg, + u8 *buff, int len) +{ + if (dm_i2c_read(dev, reg, buff, len)) { + pr_err("%s: read error for register: %#x!", dev->name, reg); + return -EIO; + } + + return 0; +} + +static int pmic_fan53555_write(struct udevice *dev, uint reg, + const u8 *buff, int len) +{ + if (dm_i2c_write(dev, reg, buff, len)) { + pr_err("%s: write error for register: %#x!", dev->name, reg); + return -EIO; + } + + return 0; +} + +static int pmic_fan53555_bind(struct udevice *dev) +{ + /* + * The FAN53555 has only a single regulator and therefore doesn't + * have a subnode. So we have to rebind a child device (the one + * regulator) here. + */ + + const char *regulator_driver_name = "fan53555_regulator"; + struct udevice *child; + struct driver *drv; + + debug("%s\n", __func__); + + drv = lists_driver_lookup_name(regulator_driver_name); + if (!drv) { + dev_err(dev, "no driver '%s'\n", regulator_driver_name); + return -ENOENT; + } + + return device_bind_with_driver_data(dev, drv, "SW", 0, + dev_ofnode(dev), &child); +}; + +static struct dm_pmic_ops pmic_fan53555_ops = { + .reg_count = pmic_fan53555_reg_count, + .read = pmic_fan53555_read, + .write = pmic_fan53555_write, +}; + +static const struct udevice_id pmic_fan53555_match[] = { + { .compatible = "fcs,fan53555" }, + { }, +}; + +U_BOOT_DRIVER(pmic_fan53555) = { + .name = "pmic_fan53555", + .id = UCLASS_PMIC, + .of_match = pmic_fan53555_match, + .bind = pmic_fan53555_bind, + .ops = &pmic_fan53555_ops, +}; diff --git a/drivers/power/regulator/Kconfig b/drivers/power/regulator/Kconfig index 2561a8a856..09b311de8b 100644 --- a/drivers/power/regulator/Kconfig +++ b/drivers/power/regulator/Kconfig @@ -69,6 +69,22 @@ config DM_REGULATOR_MAX77686 features for REGULATOR MAX77686. The driver implements get/set api for: value, enable and mode. +config DM_REGULATOR_FAN53555 + bool "Enable Driver Model for REGULATOR FAN53555" + depends on DM_PMIC_FAN53555 + help + This config enables implementation of driver-model regulator + uclass features for the FAN53555 regulator. The FAN53555 is + a (family of) single-output regulators that supports + transitioning between two different output voltages based on + an voltage selection pin. + + The driver implements a get/set api for the voltage of the + 'normal mode' voltage only. Switching to 'suspend mode' + (i.e. the alternate voltage), disabling output via software, + or switching the mode is not supported by this driver (at + this time). + config DM_REGULATOR_FIXED bool "Enable Driver Model for REGULATOR Fixed value" depends on DM_REGULATOR diff --git a/drivers/power/regulator/Makefile b/drivers/power/regulator/Makefile index a5f5683d6e..8017045d54 100644 --- a/drivers/power/regulator/Makefile +++ b/drivers/power/regulator/Makefile @@ -10,6 +10,7 @@ obj-$(CONFIG_REGULATOR_AS3722) += as3722_regulator.o obj-$(CONFIG_DM_REGULATOR_MAX77686) += max77686.o obj-$(CONFIG_$(SPL_)DM_PMIC_PFUZE100) += pfuze100.o obj-$(CONFIG_REGULATOR_PWM) += pwm_regulator.o +obj-$(CONFIG_$(SPL_)DM_REGULATOR_FAN53555) += fan53555.o obj-$(CONFIG_$(SPL_)DM_REGULATOR_FIXED) += fixed.o obj-$(CONFIG_$(SPL_)DM_REGULATOR_GPIO) += gpio-regulator.o obj-$(CONFIG_REGULATOR_RK8XX) += rk8xx.o diff --git a/drivers/power/regulator/fan53555.c b/drivers/power/regulator/fan53555.c new file mode 100644 index 0000000000..dbd5502377 --- /dev/null +++ b/drivers/power/regulator/fan53555.c @@ -0,0 +1,222 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) 2018 Theobroma Systems Design und Consulting GmbH + */ + +#include <common.h> +#include <bitfield.h> +#include <errno.h> +#include <dm.h> +#include <fdtdec.h> +#include <i2c.h> +#include <asm/gpio.h> +#include <power/pmic.h> +#include <power/regulator.h> + +/** + * struct ic_types - definition of fan53555-family devices + * + * @die_id: Identifies the DIE_ID (lower nibble of the ID1 register) + * @die_rev: Identifies the DIE_REV (lower nibble of the ID2 register) + * @vsel_min: starting voltage (step 0) in uV + * @vsel_step: increment of the voltage in uV + * + * The voltage ramp (i.e. minimum voltage and step) is selected from the + * combination of 2 nibbles: DIE_ID and DIE_REV. + * + * See http://www.onsemi.com/pub/Collateral/FAN53555-D.pdf for details. + */ +static const struct { + u8 die_id; + u8 die_rev; + u32 vsel_min; + u32 vsel_step; +} ic_types[] = { + { 0x0, 0x3, 600000, 10000 }, /* Option 00 */ + { 0x0, 0xf, 800000, 10000 }, /* Option 13 */ + { 0x0, 0xc, 600000, 12500 }, /* Option 23 */ + { 0x1, 0x3, 600000, 10000 }, /* Option 01 */ + { 0x3, 0x3, 600000, 10000 }, /* Option 03 */ + { 0x4, 0xf, 603000, 12826 }, /* Option 04 */ + { 0x5, 0x3, 600000, 10000 }, /* Option 05 */ + { 0x8, 0x1, 600000, 10000 }, /* Option 08 */ + { 0x8, 0xf, 600000, 10000 }, /* Option 08 */ + { 0xc, 0xf, 603000, 12826 }, /* Option 09 */ +}; + +/* I2C-accessible byte-sized registers */ +enum { + /* Voltage setting */ + FAN53555_VSEL0 = 0x00, + FAN53555_VSEL1, + /* Control register */ + FAN53555_CONTROL, + /* IC Type */ + FAN53555_ID1, + /* IC mask version */ + FAN53555_ID2, + /* Monitor register */ + FAN53555_MONITOR, +}; + +struct fan53555_platdata { + /* Voltage setting register */ + unsigned int vol_reg; + unsigned int sleep_reg; + +}; + +struct fan53555_priv { + /* IC Vendor */ + unsigned int vendor; + /* IC Type and Rev */ + unsigned int die_id; + unsigned int die_rev; + /* Voltage range and step(linear) */ + unsigned int vsel_min; + unsigned int vsel_step; + /* Voltage slew rate limiting */ + unsigned int slew_rate; + /* Sleep voltage cache */ + unsigned int sleep_vol_cache; +}; + +static int fan53555_regulator_ofdata_to_platdata(struct udevice *dev) +{ + struct fan53555_platdata *dev_pdata = dev_get_platdata(dev); + struct dm_regulator_uclass_platdata *uc_pdata = + dev_get_uclass_platdata(dev); + u32 sleep_vsel; + + /* This is a buck regulator */ + uc_pdata->type = REGULATOR_TYPE_BUCK; + + sleep_vsel = dev_read_u32_default(dev, "fcs,suspend-voltage-selector", + FAN53555_VSEL1); + + /* + * Depending on the device-tree settings, the 'normal mode' + * voltage is either controlled by VSEL0 or VSEL1. + */ + switch (sleep_vsel) { + case FAN53555_VSEL0: + dev_pdata->sleep_reg = FAN53555_VSEL0; + dev_pdata->vol_reg = FAN53555_VSEL1; + break; + case FAN53555_VSEL1: + dev_pdata->sleep_reg = FAN53555_VSEL1; + dev_pdata->vol_reg = FAN53555_VSEL0; + break; + default: + pr_err("%s: invalid vsel id %d\n", dev->name, sleep_vsel); + return -EINVAL; + } + + return 0; +} + +static int fan53555_regulator_get_value(struct udevice *dev) +{ + struct fan53555_platdata *pdata = dev_get_platdata(dev); + struct fan53555_priv *priv = dev_get_priv(dev); + int reg; + int voltage; + + /* We only support a single voltage selector (i.e. 'normal' mode). */ + reg = pmic_reg_read(dev->parent, pdata->vol_reg); + if (reg < 0) + return reg; + voltage = priv->vsel_min + (reg & 0x3f) * priv->vsel_step; + + debug("%s: %d uV\n", __func__, voltage); + return voltage; +} + +static int fan53555_regulator_set_value(struct udevice *dev, int uV) +{ + struct fan53555_platdata *pdata = dev_get_platdata(dev); + struct fan53555_priv *priv = dev_get_priv(dev); + u8 vol; + + vol = (uV - priv->vsel_min) / priv->vsel_step; + debug("%s: uV=%d; writing volume %d: %02x\n", + __func__, uV, pdata->vol_reg, vol); + + return pmic_clrsetbits(dev, pdata->vol_reg, GENMASK(6, 0), vol); +} + +static int fan53555_voltages_setup(struct udevice *dev) +{ + struct fan53555_priv *priv = dev_get_priv(dev); + int i; + + /* Init voltage range and step */ + for (i = 0; i < ARRAY_SIZE(ic_types); ++i) { + if (ic_types[i].die_id != priv->die_id) + continue; + + if (ic_types[i].die_rev != priv->die_rev) + continue; + + priv->vsel_min = ic_types[i].vsel_min; + priv->vsel_step = ic_types[i].vsel_step; + + return 0; + } + + pr_err("%s: %s: die id %d rev %d not supported!\n", + dev->name, __func__, priv->die_id, priv->die_rev); + return -EINVAL; +} + +enum { + DIE_ID_SHIFT = 0, + DIE_ID_WIDTH = 4, + DIE_REV_SHIFT = 0, + DIE_REV_WIDTH = 4, +}; + +static int fan53555_probe(struct udevice *dev) +{ + struct fan53555_priv *priv = dev_get_priv(dev); + int ID1, ID2; + + debug("%s\n", __func__); + + /* read chip ID1 and ID2 (two registers, starting at ID1) */ + ID1 = pmic_reg_read(dev->parent, FAN53555_ID1); + if (ID1 < 0) + return ID1; + + ID2 = pmic_reg_read(dev->parent, FAN53555_ID2); + if (ID2 < 0) + return ID2; + + /* extract vendor, die_id and die_rev */ + priv->vendor = bitfield_extract(ID1, 5, 3); + priv->die_id = ID1 & GENMASK(3, 0); + priv->die_rev = ID2 & GENMASK(3, 0); + + if (fan53555_voltages_setup(dev) < 0) + return -ENODATA; + + debug("%s: FAN53555 option %d rev %d detected\n", + __func__, priv->die_id, priv->die_rev); + + return 0; +} + +static const struct dm_regulator_ops fan53555_regulator_ops = { + .get_value = fan53555_regulator_get_value, + .set_value = fan53555_regulator_set_value, +}; + +U_BOOT_DRIVER(fan53555_regulator) = { + .name = "fan53555_regulator", + .id = UCLASS_REGULATOR, + .ops = &fan53555_regulator_ops, + .ofdata_to_platdata = fan53555_regulator_ofdata_to_platdata, + .platdata_auto_alloc_size = sizeof(struct fan53555_platdata), + .priv_auto_alloc_size = sizeof(struct fan53555_priv), + .probe = fan53555_probe, +}; diff --git a/drivers/ram/rockchip/sdram_rk322x.c b/drivers/ram/rockchip/sdram_rk322x.c index 8bafd17f8f..e079ef7a70 100644 --- a/drivers/ram/rockchip/sdram_rk322x.c +++ b/drivers/ram/rockchip/sdram_rk322x.c @@ -49,7 +49,7 @@ struct rk322x_sdram_params { struct regmap *map; }; -#ifdef CONFIG_TPL_BUILD +#ifdef CONFIG_SPL_BUILD /* * [7:6] bank(n:n bit bank) * [5:4] row(13+n) @@ -750,7 +750,7 @@ static int rk322x_dmc_ofdata_to_platdata(struct udevice *dev) return 0; } -#endif /* CONFIG_TPL_BUILD */ +#endif /* CONFIG_SPL_BUILD */ #if CONFIG_IS_ENABLED(OF_PLATDATA) static int conv_of_platdata(struct udevice *dev) @@ -778,7 +778,7 @@ static int conv_of_platdata(struct udevice *dev) static int rk322x_dmc_probe(struct udevice *dev) { -#ifdef CONFIG_TPL_BUILD +#ifdef CONFIG_SPL_BUILD struct rk322x_sdram_params *plat = dev_get_platdata(dev); int ret; struct udevice *dev_clk; @@ -786,7 +786,7 @@ static int rk322x_dmc_probe(struct udevice *dev) struct dram_info *priv = dev_get_priv(dev); priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); -#ifdef CONFIG_TPL_BUILD +#ifdef CONFIG_SPL_BUILD #if CONFIG_IS_ENABLED(OF_PLATDATA) ret = conv_of_platdata(dev); if (ret) @@ -842,12 +842,12 @@ U_BOOT_DRIVER(dmc_rk322x) = { .id = UCLASS_RAM, .of_match = rk322x_dmc_ids, .ops = &rk322x_dmc_ops, -#ifdef CONFIG_TPL_BUILD +#ifdef CONFIG_SPL_BUILD .ofdata_to_platdata = rk322x_dmc_ofdata_to_platdata, #endif .probe = rk322x_dmc_probe, .priv_auto_alloc_size = sizeof(struct dram_info), -#ifdef CONFIG_TPL_BUILD +#ifdef CONFIG_SPL_BUILD .platdata_auto_alloc_size = sizeof(struct rk322x_sdram_params), #endif }; diff --git a/include/bootcount.h b/include/bootcount.h index 671adcc410..daee84316c 100644 --- a/include/bootcount.h +++ b/include/bootcount.h @@ -10,6 +10,54 @@ #include <asm/io.h> #include <asm/byteorder.h> +#ifdef CONFIG_DM_BOOTCOUNT + +struct bootcount_ops { + /** + * get() - get the current bootcount value + * + * Returns the current counter value of the bootcount backing + * store. + * + * @dev: Device to read from + * @bootcount: Address to put the current bootcount value + */ + int (*get)(struct udevice *dev, u32 *bootcount); + + /** + * set() - set a bootcount value (e.g. to reset or increment) + * + * Sets the value in the bootcount backing store. + * + * @dev: Device to read from + * @bootcount: New bootcount value to store + */ + int (*set)(struct udevice *dev, const u32 bootcount); +}; + +/* Access the operations for a bootcount device */ +#define bootcount_get_ops(dev) ((struct bootcount_ops *)(dev)->driver->ops) + +/** + * dm_bootcount_get() - Read the current value from a bootcount storage + * + * @dev: Device to read from + * @bootcount: Place to put the current bootcount + * @return 0 if OK, -ve on error + */ +int dm_bootcount_get(struct udevice *dev, u32 *bootcount); + +/** + * dm_bootcount_set() - Write a value to a bootcount storage + * + * @dev: Device to read from + * @bootcount: Value to be written to the backing storage + * @return 0 if OK, -ve on error + */ +int dm_bootcount_set(struct udevice *dev, u32 bootcount); + +#endif + #if defined(CONFIG_SPL_BOOTCOUNT_LIMIT) || defined(CONFIG_BOOTCOUNT_LIMIT) #if !defined(CONFIG_SYS_BOOTCOUNT_LE) && !defined(CONFIG_SYS_BOOTCOUNT_BE) diff --git a/include/dm/uclass-id.h b/include/dm/uclass-id.h index 5d4e207fd1..e960e48b85 100644 --- a/include/dm/uclass-id.h +++ b/include/dm/uclass-id.h @@ -32,6 +32,7 @@ enum uclass_id { UCLASS_AXI, /* AXI bus */ UCLASS_BLK, /* Block device */ UCLASS_BOARD, /* Device information from hardware */ + UCLASS_BOOTCOUNT, /* Bootcount backing store */ UCLASS_CLK, /* Clock source, e.g. used by peripherals */ UCLASS_CPU, /* CPU, typically part of an SoC */ UCLASS_CROS_EC, /* Chrome OS EC */ |