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authorTom Rini <trini@konsulko.com>2017-12-14 15:46:07 -0500
committerTom Rini <trini@konsulko.com>2017-12-14 15:46:07 -0500
commit15616a0aa58173bce1efe47569bf2e10d023ae9c (patch)
tree57a9d4613a8534360816344cd0a331fd15649e80 /drivers
parent7ef548e6008d4225e0ae7c9af35cb76558756a62 (diff)
parent854dfbf99b89c114ba100905e1500b8ace60e0f9 (diff)
downloadu-boot-15616a0aa58173bce1efe47569bf2e10d023ae9c.zip
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Merge git://git.denx.de/u-boot-dm
Diffstat (limited to 'drivers')
-rw-r--r--drivers/block/blk-uclass.c7
-rw-r--r--drivers/power/pmic/Kconfig8
-rw-r--r--drivers/power/pmic/Makefile1
-rw-r--r--drivers/power/pmic/pmic-uclass.c11
-rw-r--r--drivers/power/pmic/pmic_tps65910_dm.c98
-rw-r--r--drivers/power/regulator/Kconfig8
-rw-r--r--drivers/power/regulator/Makefile1
-rw-r--r--drivers/power/regulator/tps65910_regulator.c459
-rw-r--r--drivers/sysreset/sysreset-uclass.c2
9 files changed, 589 insertions, 6 deletions
diff --git a/drivers/block/blk-uclass.c b/drivers/block/blk-uclass.c
index 537cf5f..010ed32 100644
--- a/drivers/block/blk-uclass.c
+++ b/drivers/block/blk-uclass.c
@@ -10,6 +10,7 @@
#include <dm.h>
#include <dm/device-internal.h>
#include <dm/lists.h>
+#include <dm/uclass-internal.h>
static const char *if_typename_str[IF_TYPE_COUNT] = {
[IF_TYPE_IDE] = "ide",
@@ -331,7 +332,7 @@ int blk_first_device(int if_type, struct udevice **devp)
struct blk_desc *desc;
int ret;
- ret = uclass_first_device(UCLASS_BLK, devp);
+ ret = uclass_find_first_device(UCLASS_BLK, devp);
if (ret)
return ret;
if (!*devp)
@@ -340,7 +341,7 @@ int blk_first_device(int if_type, struct udevice **devp)
desc = dev_get_uclass_platdata(*devp);
if (desc->if_type == if_type)
return 0;
- ret = uclass_next_device(devp);
+ ret = uclass_find_next_device(devp);
if (ret)
return ret;
} while (*devp);
@@ -356,7 +357,7 @@ int blk_next_device(struct udevice **devp)
desc = dev_get_uclass_platdata(*devp);
if_type = desc->if_type;
do {
- ret = uclass_next_device(devp);
+ ret = uclass_find_next_device(devp);
if (ret)
return ret;
if (!*devp)
diff --git a/drivers/power/pmic/Kconfig b/drivers/power/pmic/Kconfig
index e3f9e4d..5d49c93 100644
--- a/drivers/power/pmic/Kconfig
+++ b/drivers/power/pmic/Kconfig
@@ -201,3 +201,11 @@ config POWER_MC34VR500
The MC34VR500 is used in conjunction with the FSL T1 and LS1 series
SoC. It provides 4 buck DC-DC convertors and 5 LDOs, and it is accessed
via an I2C interface.
+
+config DM_PMIC_TPS65910
+ bool "Enable driver for Texas Instruments TPS65910 PMIC"
+ depends on DM_PMIC
+ ---help---
+ The TPS65910 is a PMIC containing 3 buck DC-DC converters, one boost
+ DC-DC converter, 8 LDOs and a RTC. This driver binds the SMPS and LDO
+ pmic children.
diff --git a/drivers/power/pmic/Makefile b/drivers/power/pmic/Makefile
index f7bdfa5..7d6c583 100644
--- a/drivers/power/pmic/Makefile
+++ b/drivers/power/pmic/Makefile
@@ -19,6 +19,7 @@ obj-$(CONFIG_PMIC_RK8XX) += rk8xx.o
obj-$(CONFIG_PMIC_RN5T567) += rn5t567.o
obj-$(CONFIG_PMIC_TPS65090) += tps65090.o
obj-$(CONFIG_PMIC_S5M8767) += s5m8767.o
+obj-$(CONFIG_DM_PMIC_TPS65910) += pmic_tps65910_dm.o
obj-$(CONFIG_$(SPL_)PMIC_PALMAS) += palmas.o
obj-$(CONFIG_$(SPL_)PMIC_LP873X) += lp873x.o
obj-$(CONFIG_$(SPL_)PMIC_LP87565) += lp87565.o
diff --git a/drivers/power/pmic/pmic-uclass.c b/drivers/power/pmic/pmic-uclass.c
index 64964e4..9347b40 100644
--- a/drivers/power/pmic/pmic-uclass.c
+++ b/drivers/power/pmic/pmic-uclass.c
@@ -26,6 +26,7 @@ int pmic_bind_children(struct udevice *pmic, ofnode parent,
struct driver *drv;
struct udevice *child;
const char *node_name;
+ const char *reg_name;
int bind_count = 0;
ofnode node;
int prefix_len;
@@ -44,8 +45,14 @@ int pmic_bind_children(struct udevice *pmic, ofnode parent,
debug(" - compatible prefix: '%s'\n", info->prefix);
prefix_len = strlen(info->prefix);
- if (strncmp(info->prefix, node_name, prefix_len))
- continue;
+ if (strncmp(info->prefix, node_name, prefix_len)) {
+ reg_name = ofnode_read_string(node,
+ "regulator-name");
+ if (!reg_name)
+ continue;
+ if (strncmp(info->prefix, reg_name, prefix_len))
+ continue;
+ }
drv = lists_driver_lookup_name(info->driver);
if (!drv) {
diff --git a/drivers/power/pmic/pmic_tps65910_dm.c b/drivers/power/pmic/pmic_tps65910_dm.c
new file mode 100644
index 0000000..0127ce3
--- /dev/null
+++ b/drivers/power/pmic/pmic_tps65910_dm.c
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) EETS GmbH, 2017, Felix Brack <f.brack@eets.ch>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <i2c.h>
+#include <power/pmic.h>
+#include <power/regulator.h>
+#include <power/tps65910_pmic.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static const struct pmic_child_info pmic_children_info[] = {
+ { .prefix = "ldo_", .driver = TPS65910_LDO_DRIVER },
+ { .prefix = "buck_", .driver = TPS65910_BUCK_DRIVER },
+ { .prefix = "boost_", .driver = TPS65910_BOOST_DRIVER },
+ { },
+};
+
+static int pmic_tps65910_reg_count(struct udevice *dev)
+{
+ return TPS65910_NUM_REGS;
+}
+
+static int pmic_tps65910_write(struct udevice *dev, uint reg, const u8 *buffer,
+ int len)
+{
+ int ret;
+
+ ret = dm_i2c_write(dev, reg, buffer, len);
+ if (ret)
+ error("%s write error on register %02x\n", dev->name, reg);
+
+ return ret;
+}
+
+static int pmic_tps65910_read(struct udevice *dev, uint reg, u8 *buffer,
+ int len)
+{
+ int ret;
+
+ ret = dm_i2c_read(dev, reg, buffer, len);
+ if (ret)
+ error("%s read error on register %02x\n", dev->name, reg);
+
+ return ret;
+}
+
+static int pmic_tps65910_bind(struct udevice *dev)
+{
+ ofnode regulators_node;
+ int children;
+
+ regulators_node = dev_read_subnode(dev, "regulators");
+ if (!ofnode_valid(regulators_node)) {
+ debug("%s regulators subnode not found\n", dev->name);
+ return -EINVAL;
+ }
+
+ children = pmic_bind_children(dev, regulators_node, pmic_children_info);
+ if (!children)
+ debug("%s has no children (regulators)\n", dev->name);
+
+ return 0;
+}
+
+static int pmic_tps65910_probe(struct udevice *dev)
+{
+ /* use I2C control interface instead of I2C smartreflex interface to
+ * access smartrefelex registers VDD1_OP_REG, VDD1_SR_REG, VDD2_OP_REG
+ * and VDD2_SR_REG
+ */
+ return pmic_clrsetbits(dev, TPS65910_REG_DEVICE_CTRL, 0,
+ TPS65910_I2C_SEL_MASK);
+}
+
+static struct dm_pmic_ops pmic_tps65910_ops = {
+ .reg_count = pmic_tps65910_reg_count,
+ .read = pmic_tps65910_read,
+ .write = pmic_tps65910_write,
+};
+
+static const struct udevice_id pmic_tps65910_match[] = {
+ { .compatible = "ti,tps65910" },
+ { /* sentinel */ }
+};
+
+U_BOOT_DRIVER(pmic_tps65910) = {
+ .name = "pmic_tps65910",
+ .id = UCLASS_PMIC,
+ .of_match = pmic_tps65910_match,
+ .bind = pmic_tps65910_bind,
+ .probe = pmic_tps65910_probe,
+ .ops = &pmic_tps65910_ops,
+};
diff --git a/drivers/power/regulator/Kconfig b/drivers/power/regulator/Kconfig
index 8892fa1..26fb936 100644
--- a/drivers/power/regulator/Kconfig
+++ b/drivers/power/regulator/Kconfig
@@ -188,3 +188,11 @@ config DM_REGULATOR_LP87565
LP87565 series of PMICs have 4 single phase BUCKs that can also
be configured in multi phase modes. The driver implements
get/set api for value and enable.
+
+config DM_REGULATOR_TPS65910
+ bool "Enable driver for TPS65910 PMIC regulators"
+ depends on DM_PMIC_TPS65910
+ ---help---
+ The TPS65910 PMIC provides 4 SMPSs and 8 LDOs. This driver supports all
+ regulator types of the TPS65910 (BUCK, BOOST and LDO). It implements
+ the get/set api for value and enable.
diff --git a/drivers/power/regulator/Makefile b/drivers/power/regulator/Makefile
index 6c149a9..7a2e76d 100644
--- a/drivers/power/regulator/Makefile
+++ b/drivers/power/regulator/Makefile
@@ -21,3 +21,4 @@ obj-$(CONFIG_$(SPL_)DM_REGULATOR_PALMAS) += palmas_regulator.o
obj-$(CONFIG_$(SPL_)DM_REGULATOR_PBIAS) += pbias_regulator.o
obj-$(CONFIG_$(SPL_)DM_REGULATOR_LP873X) += lp873x_regulator.o
obj-$(CONFIG_$(SPL_)DM_REGULATOR_LP87565) += lp87565_regulator.o
+obj-$(CONFIG_DM_REGULATOR_TPS65910) += tps65910_regulator.o
diff --git a/drivers/power/regulator/tps65910_regulator.c b/drivers/power/regulator/tps65910_regulator.c
new file mode 100644
index 0000000..5e2ec8f
--- /dev/null
+++ b/drivers/power/regulator/tps65910_regulator.c
@@ -0,0 +1,459 @@
+/*
+ * Copyright (C) EETS GmbH, 2017, Felix Brack <f.brack@eets.ch>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <power/pmic.h>
+#include <power/regulator.h>
+#include <power/tps65910_pmic.h>
+
+#define VOUT_CHOICE_COUNT 4
+
+/*
+ * struct regulator_props - Properties of a LDO and VIO SMPS regulator
+ *
+ * All of these regulators allow setting one out of four output voltages.
+ * These output voltages are only achievable when supplying the regulator
+ * with a minimum input voltage.
+ *
+ * @vin_min[]: minimum supply input voltage in uV required to achieve the
+ * corresponding vout[] voltage
+ * @vout[]: regulator output voltage in uV
+ * @reg: I2C register used to set regulator voltage
+ */
+struct regulator_props {
+ int vin_min[VOUT_CHOICE_COUNT];
+ int vout[VOUT_CHOICE_COUNT];
+ int reg;
+};
+
+static const struct regulator_props ldo_props_vdig1 = {
+ .vin_min = { 1700000, 2100000, 2700000, 3200000 },
+ .vout = { 1200000, 1500000, 1800000, 2700000 },
+ .reg = TPS65910_REG_VDIG1
+};
+
+static const struct regulator_props ldo_props_vdig2 = {
+ .vin_min = { 1700000, 1700000, 1700000, 2700000 },
+ .vout = { 1000000, 1100000, 1200000, 1800000 },
+ .reg = TPS65910_REG_VDIG2
+};
+
+static const struct regulator_props ldo_props_vpll = {
+ .vin_min = { 2700000, 2700000, 2700000, 3000000 },
+ .vout = { 1000000, 1100000, 1800000, 2500000 },
+ .reg = TPS65910_REG_VPLL
+};
+
+static const struct regulator_props ldo_props_vdac = {
+ .vin_min = { 2700000, 3000000, 3200000, 3200000 },
+ .vout = { 1800000, 2600000, 2800000, 2850000 },
+ .reg = TPS65910_REG_VDAC
+};
+
+static const struct regulator_props ldo_props_vaux1 = {
+ .vin_min = { 2700000, 3200000, 3200000, 3200000 },
+ .vout = { 1800000, 2500000, 2800000, 2850000 },
+ .reg = TPS65910_REG_VAUX1
+};
+
+static const struct regulator_props ldo_props_vaux2 = {
+ .vin_min = { 2700000, 3200000, 3200000, 3600000 },
+ .vout = { 1800000, 2800000, 2900000, 3300000 },
+ .reg = TPS65910_REG_VAUX2
+};
+
+static const struct regulator_props ldo_props_vaux33 = {
+ .vin_min = { 2700000, 2700000, 3200000, 3600000 },
+ .vout = { 1800000, 2000000, 2800000, 3300000 },
+ .reg = TPS65910_REG_VAUX33
+};
+
+static const struct regulator_props ldo_props_vmmc = {
+ .vin_min = { 2700000, 3200000, 3200000, 3600000 },
+ .vout = { 1800000, 2800000, 3000000, 3300000 },
+ .reg = TPS65910_REG_VMMC
+};
+
+static const struct regulator_props smps_props_vio = {
+ .vin_min = { 3200000, 3200000, 4000000, 4400000 },
+ .vout = { 1500000, 1800000, 2500000, 3300000 },
+ .reg = TPS65910_REG_VIO
+};
+
+/* lookup table of control registers indexed by regulator unit number */
+static const int ctrl_regs[] = {
+ TPS65910_REG_VRTC,
+ TPS65910_REG_VIO,
+ TPS65910_REG_VDD1,
+ TPS65910_REG_VDD2,
+ TPS65910_REG_VDD3,
+ TPS65910_REG_VDIG1,
+ TPS65910_REG_VDIG2,
+ TPS65910_REG_VPLL,
+ TPS65910_REG_VDAC,
+ TPS65910_REG_VAUX1,
+ TPS65910_REG_VAUX2,
+ TPS65910_REG_VAUX33,
+ TPS65910_REG_VMMC
+};
+
+/* supply names as used in DT */
+static const char * const supply_names[] = {
+ "vccio-supply",
+ "vcc1-supply",
+ "vcc2-supply",
+ "vcc3-supply",
+ "vcc4-supply",
+ "vcc5-supply",
+ "vcc6-supply",
+ "vcc7-supply"
+};
+
+/* lookup table of regulator supplies indexed by regulator unit number */
+static const int regulator_supplies[] = {
+ TPS65910_SUPPLY_VCC7,
+ TPS65910_SUPPLY_VCCIO,
+ TPS65910_SUPPLY_VCC1,
+ TPS65910_SUPPLY_VCC2,
+ TPS65910_SUPPLY_VCC7,
+ TPS65910_SUPPLY_VCC6,
+ TPS65910_SUPPLY_VCC6,
+ TPS65910_SUPPLY_VCC5,
+ TPS65910_SUPPLY_VCC5,
+ TPS65910_SUPPLY_VCC4,
+ TPS65910_SUPPLY_VCC4,
+ TPS65910_SUPPLY_VCC3,
+ TPS65910_SUPPLY_VCC3
+};
+
+static int get_ctrl_reg_from_unit_addr(const uint unit_addr)
+{
+ if (unit_addr < ARRAY_SIZE(ctrl_regs))
+ return ctrl_regs[unit_addr];
+ return -ENXIO;
+}
+
+static int tps65910_regulator_get_value(struct udevice *dev,
+ const struct regulator_props *rgp)
+{
+ int sel, val, vout;
+ struct tps65910_regulator_pdata *pdata = dev_get_platdata(dev);
+ int vin = pdata->supply;
+
+ val = pmic_reg_read(dev->parent, rgp->reg);
+ if (val < 0)
+ return val;
+ sel = (val & TPS65910_SEL_MASK) >> 2;
+ vout = (vin >= *(rgp->vin_min + sel)) ? *(rgp->vout + sel) : 0;
+ vout = ((val & TPS65910_SUPPLY_STATE_MASK) == 1) ? vout : 0;
+
+ return vout;
+}
+
+static int tps65910_ldo_get_value(struct udevice *dev)
+{
+ struct tps65910_regulator_pdata *pdata = dev_get_platdata(dev);
+ int vin;
+
+ if (!pdata)
+ return 0;
+ vin = pdata->supply;
+
+ switch (pdata->unit) {
+ case TPS65910_UNIT_VRTC:
+ /* VRTC is fixed and can't be turned off */
+ return (vin >= 2500000) ? 1830000 : 0;
+ case TPS65910_UNIT_VDIG1:
+ return tps65910_regulator_get_value(dev, &ldo_props_vdig1);
+ case TPS65910_UNIT_VDIG2:
+ return tps65910_regulator_get_value(dev, &ldo_props_vdig2);
+ case TPS65910_UNIT_VPLL:
+ return tps65910_regulator_get_value(dev, &ldo_props_vpll);
+ case TPS65910_UNIT_VDAC:
+ return tps65910_regulator_get_value(dev, &ldo_props_vdac);
+ case TPS65910_UNIT_VAUX1:
+ return tps65910_regulator_get_value(dev, &ldo_props_vaux1);
+ case TPS65910_UNIT_VAUX2:
+ return tps65910_regulator_get_value(dev, &ldo_props_vaux2);
+ case TPS65910_UNIT_VAUX33:
+ return tps65910_regulator_get_value(dev, &ldo_props_vaux33);
+ case TPS65910_UNIT_VMMC:
+ return tps65910_regulator_get_value(dev, &ldo_props_vmmc);
+ default:
+ return 0;
+ }
+}
+
+static int tps65910_regulator_set_value(struct udevice *dev,
+ const struct regulator_props *ldo,
+ int uV)
+{
+ int val;
+ int sel = 0;
+ struct tps65910_regulator_pdata *pdata = dev_get_platdata(dev);
+
+ do {
+ /* we only allow exact voltage matches */
+ if (uV == *(ldo->vout + sel))
+ break;
+ } while (++sel < VOUT_CHOICE_COUNT);
+ if (sel == VOUT_CHOICE_COUNT)
+ return -EINVAL;
+ if (pdata->supply < *(ldo->vin_min + sel))
+ return -EINVAL;
+
+ val = pmic_reg_read(dev->parent, ldo->reg);
+ if (val < 0)
+ return val;
+ val &= ~TPS65910_SEL_MASK;
+ val |= sel << 2;
+ return pmic_reg_write(dev->parent, ldo->reg, val);
+}
+
+static int tps65910_ldo_set_value(struct udevice *dev, int uV)
+{
+ struct tps65910_regulator_pdata *pdata = dev_get_platdata(dev);
+ int vin = pdata->supply;
+
+ switch (pdata->unit) {
+ case TPS65910_UNIT_VRTC:
+ /* VRTC is fixed to 1.83V and can't be turned off */
+ if (vin < 2500000)
+ return -EINVAL;
+ return 0;
+ case TPS65910_UNIT_VDIG1:
+ return tps65910_regulator_set_value(dev, &ldo_props_vdig1, uV);
+ case TPS65910_UNIT_VDIG2:
+ return tps65910_regulator_set_value(dev, &ldo_props_vdig2, uV);
+ case TPS65910_UNIT_VPLL:
+ return tps65910_regulator_set_value(dev, &ldo_props_vpll, uV);
+ case TPS65910_UNIT_VDAC:
+ return tps65910_regulator_set_value(dev, &ldo_props_vdac, uV);
+ case TPS65910_UNIT_VAUX1:
+ return tps65910_regulator_set_value(dev, &ldo_props_vaux1, uV);
+ case TPS65910_UNIT_VAUX2:
+ return tps65910_regulator_set_value(dev, &ldo_props_vaux2, uV);
+ case TPS65910_UNIT_VAUX33:
+ return tps65910_regulator_set_value(dev, &ldo_props_vaux33, uV);
+ case TPS65910_UNIT_VMMC:
+ return tps65910_regulator_set_value(dev, &ldo_props_vmmc, uV);
+ default:
+ return 0;
+ }
+}
+
+static int tps65910_get_enable(struct udevice *dev)
+{
+ int reg, val;
+ struct tps65910_regulator_pdata *pdata = dev_get_platdata(dev);
+
+ reg = get_ctrl_reg_from_unit_addr(pdata->unit);
+ if (reg < 0)
+ return reg;
+
+ val = pmic_reg_read(dev->parent, reg);
+ if (val < 0)
+ return val;
+
+ /* bits 1:0 of regulator control register define state */
+ return ((val & TPS65910_SUPPLY_STATE_MASK) == 1);
+}
+
+static int tps65910_set_enable(struct udevice *dev, bool enable)
+{
+ int reg;
+ uint clr, set;
+ struct tps65910_regulator_pdata *pdata = dev_get_platdata(dev);
+
+ reg = get_ctrl_reg_from_unit_addr(pdata->unit);
+ if (reg < 0)
+ return reg;
+
+ if (enable) {
+ clr = TPS65910_SUPPLY_STATE_MASK & ~TPS65910_SUPPLY_STATE_ON;
+ set = TPS65910_SUPPLY_STATE_MASK & TPS65910_SUPPLY_STATE_ON;
+ } else {
+ clr = TPS65910_SUPPLY_STATE_MASK & ~TPS65910_SUPPLY_STATE_OFF;
+ set = TPS65910_SUPPLY_STATE_MASK & TPS65910_SUPPLY_STATE_OFF;
+ }
+ return pmic_clrsetbits(dev->parent, reg, clr, set);
+}
+
+static int buck_get_vdd1_vdd2_value(struct udevice *dev, int reg_vdd)
+{
+ int gain;
+ int val = pmic_reg_read(dev, reg_vdd);
+
+ if (val < 0)
+ return val;
+ gain = (val & TPS65910_GAIN_SEL_MASK) >> 6;
+ gain = (gain == 0) ? 1 : gain;
+ val = pmic_reg_read(dev, reg_vdd + 1);
+ if (val < 0)
+ return val;
+ if (val & TPS65910_VDD_SR_MASK)
+ /* use smart reflex value instead */
+ val = pmic_reg_read(dev, reg_vdd + 2);
+ if (val < 0)
+ return val;
+ return (562500 + (val & TPS65910_VDD_SEL_MASK) * 12500) * gain;
+}
+
+static int tps65910_buck_get_value(struct udevice *dev)
+{
+ struct tps65910_regulator_pdata *pdata = dev_get_platdata(dev);
+
+ switch (pdata->unit) {
+ case TPS65910_UNIT_VIO:
+ return tps65910_regulator_get_value(dev, &smps_props_vio);
+ case TPS65910_UNIT_VDD1:
+ return buck_get_vdd1_vdd2_value(dev->parent, TPS65910_REG_VDD1);
+ case TPS65910_UNIT_VDD2:
+ return buck_get_vdd1_vdd2_value(dev->parent, TPS65910_REG_VDD2);
+ default:
+ return 0;
+ }
+}
+
+static int buck_set_vdd1_vdd2_value(struct udevice *dev, int uV)
+{
+ int ret, reg_vdd, gain;
+ int val;
+ struct dm_regulator_uclass_platdata *uc_pdata;
+ struct tps65910_regulator_pdata *pdata = dev_get_platdata(dev);
+
+ switch (pdata->unit) {
+ case TPS65910_UNIT_VDD1:
+ reg_vdd = TPS65910_REG_VDD1;
+ break;
+ case TPS65910_UNIT_VDD2:
+ reg_vdd = TPS65910_REG_VDD2;
+ break;
+ default:
+ return -EINVAL;
+ }
+ uc_pdata = dev_get_uclass_platdata(dev);
+
+ /* check setpoint is within limits */
+ if (uV < uc_pdata->min_uV) {
+ error("voltage %duV for %s too low\n", uV, dev->name);
+ return -EINVAL;
+ }
+ if (uV > uc_pdata->max_uV) {
+ error("voltage %duV for %s too high\n", uV, dev->name);
+ return -EINVAL;
+ }
+
+ val = pmic_reg_read(dev->parent, reg_vdd);
+ if (val < 0)
+ return val;
+ gain = (val & TPS65910_GAIN_SEL_MASK) >> 6;
+ gain = (gain == 0) ? 1 : gain;
+ val = ((uV / gain) - 562500) / 12500;
+ if (val < TPS65910_VDD_SEL_MIN || val > TPS65910_VDD_SEL_MAX)
+ /*
+ * Neither do we change the gain, nor do we allow shutdown or
+ * any approximate value (for now)
+ */
+ return -EPERM;
+ val &= TPS65910_VDD_SEL_MASK;
+ ret = pmic_reg_write(dev->parent, reg_vdd + 1, val);
+ if (ret)
+ return ret;
+ return 0;
+}
+
+static int tps65910_buck_set_value(struct udevice *dev, int uV)
+{
+ struct tps65910_regulator_pdata *pdata = dev_get_platdata(dev);
+
+ if (pdata->unit == TPS65910_UNIT_VIO)
+ return tps65910_regulator_set_value(dev, &smps_props_vio, uV);
+
+ return buck_set_vdd1_vdd2_value(dev, uV);
+}
+
+static int tps65910_boost_get_value(struct udevice *dev)
+{
+ int vout;
+ struct tps65910_regulator_pdata *pdata = dev_get_platdata(dev);
+
+ vout = (pdata->supply >= 3000000) ? 5000000 : 0;
+ return vout;
+}
+
+static int tps65910_regulator_ofdata_to_platdata(struct udevice *dev)
+{
+ struct udevice *supply;
+ int ret;
+ const char *supply_name;
+ struct tps65910_regulator_pdata *pdata = dev_get_platdata(dev);
+
+ pdata->unit = dev_get_driver_data(dev);
+ if (pdata->unit > TPS65910_UNIT_VMMC)
+ return -EINVAL;
+ supply_name = supply_names[regulator_supplies[pdata->unit]];
+
+ debug("Looking up supply power %s\n", supply_name);
+ ret = device_get_supply_regulator(dev->parent, supply_name, &supply);
+ if (ret) {
+ debug(" missing supply power %s\n", supply_name);
+ return ret;
+ }
+ pdata->supply = regulator_get_value(supply);
+ if (pdata->supply < 0) {
+ debug(" invalid supply voltage for regulator %s\n",
+ supply->name);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static const struct dm_regulator_ops tps65910_boost_ops = {
+ .get_value = tps65910_boost_get_value,
+ .get_enable = tps65910_get_enable,
+ .set_enable = tps65910_set_enable,
+};
+
+U_BOOT_DRIVER(tps65910_boost) = {
+ .name = TPS65910_BOOST_DRIVER,
+ .id = UCLASS_REGULATOR,
+ .ops = &tps65910_boost_ops,
+ .platdata_auto_alloc_size = sizeof(struct tps65910_regulator_pdata),
+ .ofdata_to_platdata = tps65910_regulator_ofdata_to_platdata,
+};
+
+static const struct dm_regulator_ops tps65910_buck_ops = {
+ .get_value = tps65910_buck_get_value,
+ .set_value = tps65910_buck_set_value,
+ .get_enable = tps65910_get_enable,
+ .set_enable = tps65910_set_enable,
+};
+
+U_BOOT_DRIVER(tps65910_buck) = {
+ .name = TPS65910_BUCK_DRIVER,
+ .id = UCLASS_REGULATOR,
+ .ops = &tps65910_buck_ops,
+ .platdata_auto_alloc_size = sizeof(struct tps65910_regulator_pdata),
+ .ofdata_to_platdata = tps65910_regulator_ofdata_to_platdata,
+};
+
+static const struct dm_regulator_ops tps65910_ldo_ops = {
+ .get_value = tps65910_ldo_get_value,
+ .set_value = tps65910_ldo_set_value,
+ .get_enable = tps65910_get_enable,
+ .set_enable = tps65910_set_enable,
+};
+
+U_BOOT_DRIVER(tps65910_ldo) = {
+ .name = TPS65910_LDO_DRIVER,
+ .id = UCLASS_REGULATOR,
+ .ops = &tps65910_ldo_ops,
+ .platdata_auto_alloc_size = sizeof(struct tps65910_regulator_pdata),
+ .ofdata_to_platdata = tps65910_regulator_ofdata_to_platdata,
+};
diff --git a/drivers/sysreset/sysreset-uclass.c b/drivers/sysreset/sysreset-uclass.c
index 3566d17..0747c52 100644
--- a/drivers/sysreset/sysreset-uclass.c
+++ b/drivers/sysreset/sysreset-uclass.c
@@ -70,7 +70,7 @@ void reset_cpu(ulong addr)
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- sysreset_walk_halt(SYSRESET_WARM);
+ sysreset_walk_halt(SYSRESET_COLD);
return 0;
}