/**
* Decode TPM configuration.
*
* @param dev Returns a configuration of TPM device
* @return 0 if ok, -1 on error
*/
static int tpm_decode_config(struct tpm *dev)
{
#ifdef CONFIG_OF_CONTROL
const void *blob = gd->fdt_blob;
int node, parent;
int i2c_bus;
node = fdtdec_next_compatible(blob, 0, COMPAT_INFINEON_SLB9635_TPM);
if (node < 0) {
node = fdtdec_next_compatible(blob, 0,
COMPAT_INFINEON_SLB9645_TPM);
}
if (node < 0) {
debug("%s: Node not found\n", __func__);
return -1;
}
parent = fdt_parent_offset(blob, node);
if (parent < 0) {
debug("%s: Cannot find node parent\n", __func__);
return -1;
}
i2c_bus = i2c_get_bus_num_fdt(blob, parent);
if (i2c_bus < 0)
return -1;
dev->i2c_bus = i2c_bus;
dev->slave_addr = fdtdec_get_addr(blob, node, "reg");
#else
dev->i2c_bus = CONFIG_INFINEON_TPM_I2C_BUS;
dev->slave_addr = CONFIG_INFINEON_TPM_I2C_ADDR;
#endif
return 0;
}
static int tps65090_decode_config(struct tps65090_config *config)
{
#ifdef CONFIG_OF_CONTROL
const void *blob = gd->fdt_blob;
int node, parent;
int i2c_bus;
node = fdtdec_next_compatible(blob, 0, COMPAT_TI_TPS65090);
if (node < 0) {
debug("%s: Node not found\n", __func__);
return -1;
}
parent = fdt_parent_offset(blob, node);
if (parent < 0) {
debug("%s: Cannot find node parent\n", __func__);
return -1;
}
i2c_bus = i2c_get_bus_num_fdt(blob, parent);
if (i2c_bus < 0)
return -1;
config->bus = i2c_bus;
config->addr = fdtdec_get_addr(blob, node, "reg");
#else
config->bus = CONFIG_TPS65090_I2C_BUS;
config->addr = TPS65090_I2C_ADDR;
#endif
return 0;
}
static int rk808_parse_dt(const void* blob)
{
int node, parent, nd;
u32 i2c_bus_addr, bus;
int ret;
fdt_addr_t addr;
struct fdt_gpio_state gpios[2];
node = fdt_node_offset_by_compatible(blob,
0, COMPAT_ROCKCHIP_RK808);
if (node < 0) {
printf("can't find dts node for rk808\n");
return -ENODEV;
}
if (!fdt_device_is_available(blob,node)) {
debug("device rk808 is disabled\n");
return -1;
}
addr = fdtdec_get_addr(blob, node, "reg");
fdtdec_decode_gpios(blob, node, "gpios", gpios, 2);
parent = fdt_parent_offset(blob, node);
if (parent < 0) {
debug("%s: Cannot find node parent\n", __func__);
return -1;
}
i2c_bus_addr = fdtdec_get_addr(blob, parent, "reg");
bus = i2c_get_bus_num_fdt(i2c_bus_addr);
ret = rk808_i2c_probe(bus, addr);
if (ret < 0) {
debug("pmic rk808 i2c probe failed\n");
return ret;
}
nd = fdt_get_regulator_node(blob, node);
if (nd < 0)
printf("%s: Cannot find regulators\n", __func__);
else
fdt_regulator_match(blob, nd, rk808_reg_matches,
RK808_NUM_REGULATORS);
rk808.pmic = pmic_alloc();
rk808.node = node;
rk808.pmic->hw.i2c.addr = addr;
rk808.pmic->bus = bus;
rk808.pwr_hold.gpio = rk_gpio_base_to_bank(gpios[1].gpio & RK_GPIO_BANK_MASK) |
(gpios[1].gpio & RK_GPIO_PIN_MASK);
rk808.pwr_hold.flags = !(gpios[1].flags & OF_GPIO_ACTIVE_LOW);
debug("rk808 i2c_bus:%d addr:0x%02x\n", rk808.pmic->bus,
rk808.pmic->hw.i2c.addr);
return 0;
}
int pmic_init(unsigned char bus)
{
static const char name[] = "MAX77686_PMIC";
//struct pmic *p = pmic_alloc();
#ifdef CONFIG_OF_CONTROL
const void *blob = gd->fdt_blob;
int node, parent, tmp;
#endif
//if (!p) {
// printf("%s: POWER allocation error!\n", __func__);
// return -ENOMEM;
//}
#ifdef CONFIG_OF_CONTROL
node = fdtdec_next_compatible(blob, 0, COMPAT_MAXIM_MAX77686_PMIC);
if (node < 0) {
debug("PMIC: No node for PMIC Chip in device tree\n");
debug("node = %d\n", node);
return -1;
}
parent = fdt_parent_offset(blob, node);
if (parent < 0) {
debug("%s: Cannot find node parent\n", __func__);
return -1;
}
/* tmp since p->bus is unsigned */
tmp = i2c_get_bus_num_fdt(parent);
if (tmp < 0) {
debug("%s: Cannot find I2C bus\n", __func__);
return -1;
}
//p->bus = tmp;
//p->hw.i2c.addr = fdtdec_get_int(blob, node, "reg", 9);
fdtdec_get_int(blob, node, "reg", 9);
#else
p->bus = bus;
p->hw.i2c.addr = MAX77686_I2C_ADDR;
#endif
//p->name = name;
//p->interface = PMIC_I2C;
//p->number_of_regs = PMIC_NUM_OF_REGS;
//p->hw.i2c.tx_num = 1;
puts("Board PMIC init\n");
return 0;
}
int ricoh619_parse_dt(const void* blob)
{
int node, parent, nd;
u32 i2c_bus_addr, bus;
int ret;
fdt_addr_t addr;
node = fdt_node_offset_by_compatible(blob, 0,
COMPAT_RICOH_RICOH619);
if (node < 0) {
printf("can't find dts node for ricoh619\n");
return -ENODEV;
}
if (!fdt_device_is_available(blob,node)) {
debug("device ricoh619 is disabled\n");
return -1;
}
addr = fdtdec_get_addr(blob, node, "reg");
parent = fdt_parent_offset(blob, node);
if (parent < 0) {
debug("%s: Cannot find node parent\n", __func__);
return -1;
}
i2c_bus_addr = fdtdec_get_addr(blob, parent, "reg");
bus = i2c_get_bus_num_fdt(i2c_bus_addr);
ret = ricoh619_i2c_probe(bus, addr);
if (ret < 0) {
debug("pmic ricoh619 i2c probe failed\n");
return ret;
}
nd = fdt_get_regulator_node(blob, node);
if (nd < 0)
printf("%s: Cannot find regulators\n", __func__);
else
fdt_regulator_match(blob, nd, ricoh619_regulator_matches,
RICOH619_NUM_REGULATORS);
ricoh619.pmic = pmic_alloc();
ricoh619.node = node;
ricoh619.pmic->hw.i2c.addr = addr;
ricoh619.pmic->bus = bus;
debug("ricoh619 i2c_bus:%d addr:0x%02x\n", ricoh619.pmic->bus,
ricoh619.pmic->hw.i2c.addr);
return 0;
}
int tps65090_init(void)
{
struct pmic *p;
int bus;
int addr;
const void *blob = gd->fdt_blob;
int node, parent;
node = fdtdec_next_compatible(blob, 0, COMPAT_TI_TPS65090);
if (node < 0) {
debug("PMIC: No node for PMIC Chip in device tree\n");
debug("node = %d\n", node);
return -ENODEV;
}
parent = fdt_parent_offset(blob, node);
if (parent < 0) {
debug("%s: Cannot find node parent\n", __func__);
return -EINVAL;
}
bus = i2c_get_bus_num_fdt(parent);
if (p->bus < 0) {
debug("%s: Cannot find I2C bus\n", __func__);
return -ENOENT;
}
addr = fdtdec_get_int(blob, node, "reg", TPS65090_I2C_ADDR);
p = pmic_alloc();
if (!p) {
printf("%s: POWER allocation error!\n", __func__);
return -ENOMEM;
}
p->name = TPS65090_NAME;
p->bus = bus;
p->interface = PMIC_I2C;
p->number_of_regs = TPS65090_NUM_REGS;
p->hw.i2c.addr = addr;
p->hw.i2c.tx_num = 1;
p->chrg = &power_chrg_pmic_ops;
puts("TPS65090 PMIC init\n");
return 0;
}
int cros_ec_i2c_decode_fdt(struct cros_ec_dev *dev, const void *blob)
{
/* Decode interface-specific FDT params */
dev->max_frequency = fdtdec_get_int(blob, dev->node,
"i2c-max-frequency", 100000);
dev->bus_num = i2c_get_bus_num_fdt(dev->parent_node);
if (dev->bus_num == -1) {
debug("%s: Failed to read bus number\n", __func__);
return -1;
}
dev->addr = fdtdec_get_int(blob, dev->node, "reg", -1);
if (dev->addr == -1) {
debug("%s: Failed to read device address\n", __func__);
return -1;
}
return 0;
}