36#include <sys/kernel.h>
37#include <sys/reboot.h>
38#include <sys/module.h>
43#include <dev/ofw/ofw_bus.h>
44#include <dev/ofw/ofw_bus_subr.h>
46#include <dev/extres/regulator/regulator.h>
54#define VSEL_BUCK_EN (1 << 7)
55#define VSEL_NSEL_MASK 0x3F
56#define VSEL_VOLTAGE_BASE 712500
57#define VSEL_VOLTAGE_STEP 12500
60#define ID1_VENDOR_MASK 0xE0
61#define ID1_VENDOR_SHIFT 5
62#define ID1_DIE_MASK 0xF
65#define ID2_DIE_REV_MASK 0xF
68 {
"silergy,syr827", 1 },
76 struct regnode_std_param *
param;
114 sc = regnode_get_softc(
regnode);
118 val &= ~VSEL_BUCK_EN;
123 *udelay = sc->
param->ramp_delay;
130 int max_uvolt,
int *udelay)
136 sc = regnode_get_softc(
regnode);
144 val &= ~VSEL_NSEL_MASK;
149 *udelay = sc->
param->ramp_delay *
161 sc = regnode_get_softc(
regnode);
185 struct regnode_init_def initdef;
186 struct regnode *regnode;
189 memset(&initdef, 0,
sizeof(initdef));
190 regulator_parse_ofw_stdparam(
dev, node, &initdef);
192 initdef.ofw_node = node;
193 regnode = regnode_create(
dev, &syr827_regnode_class, &initdef);
194 if (regnode == NULL) {
195 device_printf(
dev,
"cannot create regulator\n");
199 reg_sc = regnode_get_softc(regnode);
202 reg_sc->
xref = OF_xref_from_node(node);
203 reg_sc->
param = regnode_get_stdparam(regnode);
205 if (OF_getencprop(node,
"fcs,suspend-voltage-selector", &suspend_reg,
206 sizeof(uint32_t)) <= 0)
209 switch (suspend_reg) {
220 regnode_register(regnode);
231 sc = device_get_softc(
dev);
244 if (!ofw_bus_status_okay(
dev))
250 device_set_desc(
dev,
"Silergy SYR827 regulator");
252 return (BUS_PROBE_DEFAULT);
263 sc = device_get_softc(
dev);
267 device_printf(
dev,
"Vendor ID: %x, DIE ID: %x\n",
274 config_intrhook_disestablish(&sc->
intr_hook);
283 sc = device_get_softc(
dev);
284 node = ofw_bus_get_node(
dev);
286 sc->
addr = iicbus_get_addr(
dev);
291 if (config_intrhook_establish(&sc->
intr_hook) != 0)
295 if (sc->
reg == NULL) {
296 device_printf(
dev,
"cannot attach regulator\n");
int iicdev_readfrom(device_t slavedev, uint8_t regaddr, void *buffer, uint16_t buflen, int waithow)
int iicdev_writeto(device_t slavedev, uint8_t regaddr, void *buffer, uint16_t buflen, int waithow)
struct regnode_std_param * param
struct intr_config_hook intr_hook
struct syr827_reg_sc * reg
static int syr827_regnode_get_voltage(struct regnode *regnode, int *uvolt)
static int syr827_write(device_t dev, uint8_t reg, uint8_t val)
static int syr827_regnode_set_voltage(struct regnode *regnode, int min_uvolt, int max_uvolt, int *udelay)
static int syr827_regnode_init(struct regnode *regnode)
static int syr827_regnode_enable(struct regnode *regnode, bool enable, int *udelay)
static regnode_method_t syr827_regnode_methods[]
static device_method_t syr827_methods[]
#define VSEL_VOLTAGE_BASE
static int syr827_probe(device_t dev)
EARLY_DRIVER_MODULE(syr827, iicbus, syr827_driver, syr827_devclass, 0, 0, BUS_PASS_RESOURCE)
IICBUS_FDT_PNP_INFO(compat_data)
static void syr827_start(void *pdev)
static struct ofw_compat_data compat_data[]
DEFINE_CLASS_1(syr827_regnode, syr827_regnode_class, syr827_regnode_methods, sizeof(struct syr827_reg_sc), regnode_class)
static devclass_t syr827_devclass
static struct syr827_reg_sc * syr827_reg_attach(device_t dev, phandle_t node)
static int syr827_attach(device_t dev)
MODULE_DEPEND(syr827, iicbus, 1, 1, 1)
MODULE_VERSION(syr827, 1)
static int syr827_regdev_map(device_t dev, phandle_t xref, int ncells, pcell_t *cells, intptr_t *num)
static driver_t syr827_driver
static int syr827_read(device_t dev, uint8_t reg, uint8_t *data, uint8_t size)
#define VSEL_VOLTAGE_STEP