mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-29 18:19:02 +00:00
d41d9befb9
Add u-boot bootloader based on 2023.01 to support D1-based boards, currently: - Dongshan Nezha STU - LicheePi RV Dock - MangoPi MQ-Pro - Nezha D1 Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
112 lines
3.4 KiB
Diff
112 lines
3.4 KiB
Diff
From 25434a394705d2de92c50981e31347db4074204a Mon Sep 17 00:00:00 2001
|
|
From: Samuel Holland <samuel@sholland.org>
|
|
Date: Thu, 26 Aug 2021 21:32:15 -0500
|
|
Subject: [PATCH 07/90] power: regulator: Add a driver for the AXP PMIC
|
|
drivevbus
|
|
|
|
The first AXP regulator converted to use the regulator uclass is the
|
|
drivevbus switch, since it is used by the USB PHY driver.
|
|
|
|
Signed-off-by: Samuel Holland <samuel@sholland.org>
|
|
---
|
|
drivers/power/regulator/Kconfig | 14 ++++++
|
|
drivers/power/regulator/Makefile | 1 +
|
|
drivers/power/regulator/axp_regulator.c | 58 +++++++++++++++++++++++++
|
|
3 files changed, 73 insertions(+)
|
|
create mode 100644 drivers/power/regulator/axp_regulator.c
|
|
|
|
--- a/drivers/power/regulator/Kconfig
|
|
+++ b/drivers/power/regulator/Kconfig
|
|
@@ -43,6 +43,20 @@ config REGULATOR_AS3722
|
|
but does not yet support change voltages. Currently this must be
|
|
done using direct register writes to the PMIC.
|
|
|
|
+config REGULATOR_AXP
|
|
+ bool "Enable driver for X-Powers AXP PMIC regulators"
|
|
+ depends on DM_REGULATOR && PMIC_AXP
|
|
+ help
|
|
+ Enable support for the regulators (DCDCs, LDOs) in the
|
|
+ X-Powers AXP152, AXP2xx, and AXP8xx PMICs.
|
|
+
|
|
+config SPL_REGULATOR_AXP
|
|
+ bool "Enable driver for X-Powers AXP PMIC regulators in SPL"
|
|
+ depends on SPL_DM_REGULATOR && SPL_PMIC_AXP
|
|
+ help
|
|
+ Enable support in SPL for the regulators (DCDCs, LDOs) in the
|
|
+ X-Powers AXP152, AXP2xx, and AXP8xx PMICs.
|
|
+
|
|
config REGULATOR_AXP_USB_POWER
|
|
bool "Enable driver for X-Powers AXP PMIC USB power supply"
|
|
depends on DM_REGULATOR && PMIC_AXP
|
|
--- a/drivers/power/regulator/Makefile
|
|
+++ b/drivers/power/regulator/Makefile
|
|
@@ -7,6 +7,7 @@
|
|
obj-$(CONFIG_$(SPL_)DM_REGULATOR) += regulator-uclass.o
|
|
obj-$(CONFIG_REGULATOR_ACT8846) += act8846.o
|
|
obj-$(CONFIG_REGULATOR_AS3722) += as3722_regulator.o
|
|
+obj-$(CONFIG_$(SPL_)REGULATOR_AXP) += axp_regulator.o
|
|
obj-$(CONFIG_$(SPL_)REGULATOR_AXP_USB_POWER) += axp_usb_power.o
|
|
obj-$(CONFIG_$(SPL_)DM_REGULATOR_DA9063) += da9063.o
|
|
obj-$(CONFIG_DM_REGULATOR_MAX77686) += max77686.o
|
|
--- /dev/null
|
|
+++ b/drivers/power/regulator/axp_regulator.c
|
|
@@ -0,0 +1,58 @@
|
|
+// SPDX-License-Identifier: GPL-2.0+
|
|
+
|
|
+#include <dm.h>
|
|
+#include <errno.h>
|
|
+#include <power/pmic.h>
|
|
+#include <power/regulator.h>
|
|
+
|
|
+#define AXP_VBUS_IPSOUT 0x30
|
|
+#define AXP_VBUS_IPSOUT_DRIVEBUS BIT(2)
|
|
+#define AXP_MISC_CTRL 0x8f
|
|
+#define AXP_MISC_CTRL_N_VBUSEN_FUNC BIT(4)
|
|
+
|
|
+static int axp_drivevbus_get_enable(struct udevice *dev)
|
|
+{
|
|
+ int ret;
|
|
+
|
|
+ ret = pmic_reg_read(dev->parent, AXP_VBUS_IPSOUT);
|
|
+ if (ret < 0)
|
|
+ return ret;
|
|
+
|
|
+ return !!(ret & AXP_VBUS_IPSOUT_DRIVEBUS);
|
|
+}
|
|
+
|
|
+static int axp_drivevbus_set_enable(struct udevice *dev, bool enable)
|
|
+{
|
|
+ return pmic_clrsetbits(dev->parent, AXP_VBUS_IPSOUT,
|
|
+ AXP_VBUS_IPSOUT_DRIVEBUS,
|
|
+ enable ? AXP_VBUS_IPSOUT_DRIVEBUS : 0);
|
|
+}
|
|
+
|
|
+static const struct dm_regulator_ops axp_drivevbus_ops = {
|
|
+ .get_enable = axp_drivevbus_get_enable,
|
|
+ .set_enable = axp_drivevbus_set_enable,
|
|
+};
|
|
+
|
|
+static int axp_drivevbus_probe(struct udevice *dev)
|
|
+{
|
|
+ struct dm_regulator_uclass_plat *uc_plat = dev_get_uclass_plat(dev);
|
|
+ int ret;
|
|
+
|
|
+ uc_plat->type = REGULATOR_TYPE_FIXED;
|
|
+
|
|
+ if (dev_read_bool(dev->parent, "x-powers,drive-vbus-en")) {
|
|
+ ret = pmic_clrsetbits(dev->parent, AXP_MISC_CTRL,
|
|
+ AXP_MISC_CTRL_N_VBUSEN_FUNC, 0);
|
|
+ if (ret)
|
|
+ return ret;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+U_BOOT_DRIVER(axp_drivevbus) = {
|
|
+ .name = "axp_drivevbus",
|
|
+ .id = UCLASS_REGULATOR,
|
|
+ .probe = axp_drivevbus_probe,
|
|
+ .ops = &axp_drivevbus_ops,
|
|
+};
|