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-rw-r--r--drivers/power/domain/meson-ee-pwrc.c52
-rw-r--r--drivers/power/pmic/Kconfig15
-rw-r--r--drivers/power/pmic/Makefile1
-rw-r--r--drivers/power/pmic/mp5416.c98
-rw-r--r--drivers/power/regulator/Kconfig2
-rw-r--r--drivers/power/regulator/stm32-vrefbuf.c2
6 files changed, 167 insertions, 3 deletions
diff --git a/drivers/power/domain/meson-ee-pwrc.c b/drivers/power/domain/meson-ee-pwrc.c
index ef8274ce96..a4d50e701a 100644
--- a/drivers/power/domain/meson-ee-pwrc.c
+++ b/drivers/power/domain/meson-ee-pwrc.c
@@ -13,7 +13,9 @@
#include <syscon.h>
#include <reset.h>
#include <clk.h>
+#include <dt-bindings/power/meson-axg-power.h>
#include <dt-bindings/power/meson-g12a-power.h>
+#include <dt-bindings/power/meson-gxbb-power.h>
#include <dt-bindings/power/meson-sm1-power.h>
#include <linux/bitops.h>
#include <linux/delay.h>
@@ -68,7 +70,7 @@ struct meson_ee_pwrc_domain_data {
/* TOP Power Domains */
-static struct meson_ee_pwrc_top_domain g12a_pwrc_vpu = {
+static struct meson_ee_pwrc_top_domain gx_pwrc_vpu = {
.sleep_reg = AO_RTI_GEN_PWR_SLEEP0,
.sleep_mask = BIT(8),
.iso_reg = AO_RTI_GEN_PWR_SLEEP0,
@@ -126,6 +128,17 @@ static struct meson_ee_pwrc_mem_domain g12a_pwrc_mem_vpu[] = {
VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
};
+static struct meson_ee_pwrc_mem_domain axg_pwrc_mem_vpu[] = {
+ VPU_MEMPD(HHI_VPU_MEM_PD_REG0),
+ VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
+};
+
+static struct meson_ee_pwrc_mem_domain gxbb_pwrc_mem_vpu[] = {
+ VPU_MEMPD(HHI_VPU_MEM_PD_REG0),
+ VPU_MEMPD(HHI_VPU_MEM_PD_REG1),
+ VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
+};
+
static struct meson_ee_pwrc_mem_domain g12a_pwrc_mem_eth[] = {
{ HHI_MEM_PD_REG0, GENMASK(3, 2) },
};
@@ -159,6 +172,10 @@ static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_ge2d[] = {
{ HHI_MEM_PD_REG0, GENMASK(25, 18) },
};
+static struct meson_ee_pwrc_mem_domain axg_pwrc_mem_audio[] = {
+ { HHI_MEM_PD_REG0, GENMASK(5, 4) },
+};
+
static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_audio[] = {
{ HHI_MEM_PD_REG0, GENMASK(5, 4) },
{ HHI_AUDIO_MEM_PD_REG0, GENMASK(1, 0) },
@@ -201,11 +218,24 @@ static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_audio[] = {
static bool pwrc_ee_get_power(struct power_domain *power_domain);
static struct meson_ee_pwrc_domain_desc g12a_pwrc_domains[] = {
- [PWRC_G12A_VPU_ID] = VPU_PD("VPU", &g12a_pwrc_vpu, g12a_pwrc_mem_vpu,
+ [PWRC_G12A_VPU_ID] = VPU_PD("VPU", &gx_pwrc_vpu, g12a_pwrc_mem_vpu,
pwrc_ee_get_power, 11, 2),
[PWRC_G12A_ETH_ID] = MEM_PD("ETH", g12a_pwrc_mem_eth),
};
+static struct meson_ee_pwrc_domain_desc axg_pwrc_domains[] = {
+ [PWRC_AXG_VPU_ID] = VPU_PD("VPU", &gx_pwrc_vpu, axg_pwrc_mem_vpu,
+ pwrc_ee_get_power, 5, 2),
+ [PWRC_AXG_ETHERNET_MEM_ID] = MEM_PD("ETH", g12a_pwrc_mem_eth),
+ [PWRC_AXG_AUDIO_ID] = MEM_PD("AUDIO", axg_pwrc_mem_audio),
+};
+
+static struct meson_ee_pwrc_domain_desc gxbb_pwrc_domains[] = {
+ [PWRC_GXBB_VPU_ID] = VPU_PD("VPU", &gx_pwrc_vpu, gxbb_pwrc_mem_vpu,
+ pwrc_ee_get_power, 12, 2),
+ [PWRC_GXBB_ETHERNET_MEM_ID] = MEM_PD("ETH", g12a_pwrc_mem_eth),
+};
+
static struct meson_ee_pwrc_domain_desc sm1_pwrc_domains[] = {
[PWRC_SM1_VPU_ID] = VPU_PD("VPU", &sm1_pwrc_vpu, sm1_pwrc_mem_vpu,
pwrc_ee_get_power, 11, 2),
@@ -369,6 +399,16 @@ static struct meson_ee_pwrc_domain_data meson_ee_g12a_pwrc_data = {
.domains = g12a_pwrc_domains,
};
+static struct meson_ee_pwrc_domain_data meson_ee_axg_pwrc_data = {
+ .count = ARRAY_SIZE(axg_pwrc_domains),
+ .domains = axg_pwrc_domains,
+};
+
+static struct meson_ee_pwrc_domain_data meson_ee_gxbb_pwrc_data = {
+ .count = ARRAY_SIZE(gxbb_pwrc_domains),
+ .domains = gxbb_pwrc_domains,
+};
+
static struct meson_ee_pwrc_domain_data meson_ee_sm1_pwrc_data = {
.count = ARRAY_SIZE(sm1_pwrc_domains),
.domains = sm1_pwrc_domains,
@@ -380,6 +420,14 @@ static const struct udevice_id meson_ee_pwrc_ids[] = {
.data = (unsigned long)&meson_ee_g12a_pwrc_data,
},
{
+ .compatible = "amlogic,meson-gxbb-pwrc",
+ .data = (unsigned long)&meson_ee_gxbb_pwrc_data,
+ },
+ {
+ .compatible = "amlogic,meson-axg-pwrc",
+ .data = (unsigned long)&meson_ee_axg_pwrc_data,
+ },
+ {
.compatible = "amlogic,meson-sm1-pwrc",
.data = (unsigned long)&meson_ee_sm1_pwrc_data,
},
diff --git a/drivers/power/pmic/Kconfig b/drivers/power/pmic/Kconfig
index 7d51510d1b..583fd3ddcd 100644
--- a/drivers/power/pmic/Kconfig
+++ b/drivers/power/pmic/Kconfig
@@ -91,6 +91,21 @@ config DM_PMIC_FAN53555
The driver implements read/write operations for use with the FAN53555
regulator driver and binds the regulator driver to its node.
+config DM_PMIC_MP5416
+ bool "Enable Driver Model for PMIC MP5416"
+ depends on DM_PMIC
+ help
+ This config enables implementation of driver-model pmic uclass features
+ for PMIC MP5416. The driver implements read/write operations.
+
+config SPL_DM_PMIC_MP5416
+ bool "Enable Driver Model for PMIC MP5416 in SPL stage"
+ depends on DM_PMIC
+ help
+ This config enables implementation of driver-model pmic uclass
+ features for PMIC MP5416. The driver implements read/write
+ operations.
+
config DM_PMIC_PCA9450
bool "Enable Driver Model for PMIC PCA9450"
depends on DM_PMIC
diff --git a/drivers/power/pmic/Makefile b/drivers/power/pmic/Makefile
index 9cd6c375c0..2b2a6ddb56 100644
--- a/drivers/power/pmic/Makefile
+++ b/drivers/power/pmic/Makefile
@@ -10,6 +10,7 @@ obj-$(CONFIG_DM_PMIC_MAX77686) += max77686.o
obj-$(CONFIG_DM_PMIC_MAX8998) += max8998.o
obj-$(CONFIG_DM_PMIC_MC34708) += mc34708.o
obj-$(CONFIG_$(SPL_)DM_PMIC_BD71837) += bd71837.o
+obj-$(CONFIG_$(SPL_)DM_PMIC_MP5416) += mp5416.o
obj-$(CONFIG_$(SPL_)DM_PMIC_PFUZE100) += pfuze100.o
obj-$(CONFIG_$(SPL_)DM_PMIC_PCA9450) += pca9450.o
obj-$(CONFIG_PMIC_S2MPS11) += s2mps11.o
diff --git a/drivers/power/pmic/mp5416.c b/drivers/power/pmic/mp5416.c
new file mode 100644
index 0000000000..458c4df688
--- /dev/null
+++ b/drivers/power/pmic/mp5416.c
@@ -0,0 +1,98 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2020 Gateworks Corporation
+ */
+#include <common.h>
+#include <errno.h>
+#include <dm.h>
+#include <i2c.h>
+#include <log.h>
+#include <power/pmic.h>
+#include <power/regulator.h>
+#include <power/mp5416.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static const struct pmic_child_info pmic_children_info[] = {
+ /* buck */
+ { .prefix = "b", .driver = MP6416_REGULATOR_DRIVER },
+ /* ldo */
+ { .prefix = "l", .driver = MP6416_REGULATOR_DRIVER },
+ { },
+};
+
+static int mp5416_reg_count(struct udevice *dev)
+{
+ return MP5416_NUM_OF_REGS - 1;
+}
+
+static int mp5416_write(struct udevice *dev, uint reg, const uint8_t *buff,
+ int len)
+{
+ if (dm_i2c_write(dev, reg, buff, len)) {
+ pr_err("write error to device: %p register: %#x!", dev, reg);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static int mp5416_read(struct udevice *dev, uint reg, uint8_t *buff, int len)
+{
+ if (dm_i2c_read(dev, reg, buff, len)) {
+ pr_err("read error from device: %p register: %#x!", dev, reg);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static int mp5416_bind(struct udevice *dev)
+{
+ int children;
+ ofnode regulators_node;
+
+ debug("%s %s\n", __func__, dev->name);
+ regulators_node = dev_read_subnode(dev, "regulators");
+ if (!ofnode_valid(regulators_node)) {
+ debug("%s: %s regulators subnode not found!\n", __func__,
+ dev->name);
+ return -ENXIO;
+ }
+
+ debug("%s: '%s' - found regulators subnode\n", __func__, dev->name);
+
+ children = pmic_bind_children(dev, regulators_node, pmic_children_info);
+ if (!children)
+ debug("%s: %s - no child found\n", __func__, dev->name);
+
+ /* Always return success for this device */
+ return 0;
+}
+
+static int mp5416_probe(struct udevice *dev)
+{
+ debug("%s %s\n", __func__, dev->name);
+
+ return 0;
+}
+
+static struct dm_pmic_ops mp5416_ops = {
+ .reg_count = mp5416_reg_count,
+ .read = mp5416_read,
+ .write = mp5416_write,
+};
+
+static const struct udevice_id mp5416_ids[] = {
+ { .compatible = "mps,mp5416", },
+ { }
+};
+
+U_BOOT_DRIVER(pmic_mp5416) = {
+ .name = "mp5416 pmic",
+ .id = UCLASS_PMIC,
+ .of_match = mp5416_ids,
+ .bind = mp5416_bind,
+ .probe = mp5416_probe,
+ .ops = &mp5416_ops,
+};
diff --git a/drivers/power/regulator/Kconfig b/drivers/power/regulator/Kconfig
index d431102462..fbbea18c7d 100644
--- a/drivers/power/regulator/Kconfig
+++ b/drivers/power/regulator/Kconfig
@@ -18,7 +18,7 @@ config DM_REGULATOR
config SPL_DM_REGULATOR
bool "Enable regulators for SPL"
- depends on DM_REGULATOR
+ depends on DM_REGULATOR && SPL_POWER_SUPPORT
---help---
Regulators are seldom needed in SPL. Even if they are accessed, some
code space can be saved by accessing the PMIC registers directly.
diff --git a/drivers/power/regulator/stm32-vrefbuf.c b/drivers/power/regulator/stm32-vrefbuf.c
index c2c5770fa5..c37998a4ba 100644
--- a/drivers/power/regulator/stm32-vrefbuf.c
+++ b/drivers/power/regulator/stm32-vrefbuf.c
@@ -6,6 +6,8 @@
* Originally based on the Linux kernel v4.16 drivers/regulator/stm32-vrefbuf.c
*/
+#define LOG_CATEGORY UCLASS_REGULATOR
+
#include <common.h>
#include <clk.h>
#include <dm.h>