[PATCH v3 2/9] power: regulator: enable AWP318W SPL support

Yixun Lan
2026-01-13T04:03:07Z

Add the descriptions for the DC/DC regulators of the AXP318W, and enable
it when CONFIG_AXP318W_POWER is enabled.

Signed-off-by: Yixun Lan <dlan@gentoo.org>
---
drivers/power/Kconfig | 10 ++++++++++
drivers/power/Makefile | 1 +
drivers/power/axp_spl.c | 20 ++++++++++++++++++++
3 files changed, 31 insertions(+)

diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index d17337c0c3f..1b06d8a66c7 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -58,6 +58,7 @@ choice
default AXP209_POWER if MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
default AXP221_POWER if MACH_SUN6I || MACH_SUN8I_A23 || MACH_SUN8I_A33 || MACH_SUN8I_R40
default AXP818_POWER if MACH_SUN8I_A83T
+ default AXP318W_POWER if MACH_SUN60I_A733
default SUNXI_NO_PMIC if MACH_SUNXI_H3_H5 || MACH_SUN50I || MACH_SUN8I_V3S

config SUNXI_NO_PMIC
@@ -140,6 +141,14 @@ config AXP818_POWER
Say y here to enable support for the axp818 pmic found on
A83T dev board.

+config AXP318W_POWER
+ bool "axp318w pmic support"
+ select AXP_PMIC_BUS
+ select CMD_POWEROFF
+ ---help---
+ Select this to enable support for the AXP318W PMIC found on some
+ A733 boards.
+
config SY8106A_POWER
bool "SY8106A pmic support"
depends on MACH_SUNXI_H3_H5
@@ -154,6 +163,7 @@ config AXP_I2C_ADDRESS
depends on ARCH_SUNXI && !SUNXI_NO_PMIC
default 0x36 if AXP305_POWER
default 0x36 if AXP313_POWER
+ default 0x36 if AXP318W_POWER
default 0x30 if AXP152_POWER
default 0x34
---help---
diff --git a/drivers/power/Makefile b/drivers/power/Makefile
index 3363191fdc8..1a54898c874 100644
--- a/drivers/power/Makefile
+++ b/drivers/power/Makefile
@@ -14,6 +14,7 @@ obj-$(CONFIG_AXP152_POWER) += axp152.o
obj-$(CONFIG_AXP209_POWER) += axp209.o
obj-$(CONFIG_AXP305_POWER) += axp_spl.o
obj-$(CONFIG_AXP313_POWER) += axp_spl.o
+obj-$(CONFIG_AXP318W_POWER) += axp_spl.o
obj-$(CONFIG_AXP717_POWER) += axp_spl.o
obj-$(CONFIG_AXP809_POWER) += axp809.o
obj-$(CONFIG_AXP818_POWER) += axp818.o
diff --git a/drivers/power/axp_spl.c b/drivers/power/axp_spl.c
index 7c51a9b3dfb..b40f13c2261 100644
--- a/drivers/power/axp_spl.c
+++ b/drivers/power/axp_spl.c
@@ -67,6 +67,26 @@ static const struct axp_reg_desc_spl axp_spl_dcdc_regulators[] = {
#define AXP_SHUTDOWN_REG 0x1a
#define AXP_SHUTDOWN_MASK BIT(7)

+#elif defined(CONFIG_AXP318W_POWER) /* AXP318W */
+
+static const struct axp_reg_desc_spl axp_spl_dcdc_regulators[] = {
+ { 0x10, BIT(0), 0x12, 0x1f, 1000, 3400, 100, 0 },
+ { 0x10, BIT(1), 0x13, 0x7f, 500, 1540, 10, 70 },
+ { 0x10, BIT(2), 0x14, 0x7f, 500, 1540, 10, 70 },
+ { 0x10, BIT(3), 0x15, 0x7f, 500, 1540, 10, 70 },
+ { 0x10, BIT(4), 0x16, 0x7f, 500, 1540, 10, 70 },
+ { 0x10, BIT(5), 0x17, 0x7f, 500, 1540, 10, 70 },
+ { 0x10, BIT(6), 0x18, 0x7f, 500, 1840, 10, 70 },
+ { 0x10, BIT(7), 0x19, 0x7f, 500, 1840, 10, 70 },
+ { 0x11, BIT(0), 0x1a, 0x7f, 500, 1840, 10, 70 },
+};
+
+#define AXP_CHIP_VERSION 0
+#define AXP_CHIP_VERSION_MASK 0
+#define AXP_CHIP_ID 0
+#define AXP_SHUTDOWN_REG 0x55
+#define AXP_SHUTDOWN_MASK BIT(7)
+
#elif defined(CONFIG_AXP305_POWER) /* AXP305 */

static const struct axp_reg_desc_spl axp_spl_dcdc_regulators[] = {

--
2.52.0