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-rw-r--r--arch/arm/cpu/armv7/sunxi/cpu_info.c2
-rw-r--r--drivers/power/Kconfig8
-rw-r--r--drivers/power/axp221.c88
-rw-r--r--include/axp221.h4
4 files changed, 76 insertions, 26 deletions
diff --git a/arch/arm/cpu/armv7/sunxi/cpu_info.c b/arch/arm/cpu/armv7/sunxi/cpu_info.c
index 7a3a4ca..b6cb9de 100644
--- a/arch/arm/cpu/armv7/sunxi/cpu_info.c
+++ b/arch/arm/cpu/armv7/sunxi/cpu_info.c
@@ -76,7 +76,7 @@ int print_cpuinfo(void)
int sunxi_get_sid(unsigned int *sid)
{
-#ifdef CONFIG_MACH_SUN6I
+#if defined CONFIG_MACH_SUN6I || defined CONFIG_MACH_SUN8I
#ifdef CONFIG_AXP221_POWER
return axp221_get_sid(sid);
#else
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index 1ec7c0e..7373a79 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -1,10 +1,10 @@
config AXP221_POWER
- boolean "axp221 pmic support"
- depends on MACH_SUN6I
+ boolean "axp221 / axp223 pmic support"
+ depends on MACH_SUN6I || MACH_SUN8I
default y
---help---
- Say y here to enable support for the axp221 pmic found on most sun6i
- (A31) boards.
+ Say y here to enable support for the axp221 / axp223 pmic found on most
+ sun6i (A31) / sun8i (A23) boards.
config AXP221_DLDO1_VOLT
int "axp221 dldo1 voltage"
diff --git a/drivers/power/axp221.c b/drivers/power/axp221.c
index 826567a..4667579 100644
--- a/drivers/power/axp221.c
+++ b/drivers/power/axp221.c
@@ -1,4 +1,10 @@
/*
+ * AXP221 and AXP223 driver
+ *
+ * IMPORTANT when making changes to this file check that the registers
+ * used are the same for the axp221 and axp223.
+ *
+ * (C) Copyright 2014 Hans de Goede <hdegoede@redhat.com>
* (C) Copyright 2013 Oliver Schinagl <oliver@schinagl.nl>
*
* SPDX-License-Identifier: GPL-2.0+
@@ -7,8 +13,50 @@
#include <common.h>
#include <errno.h>
#include <asm/arch/p2wi.h>
+#include <asm/arch/rsb.h>
#include <axp221.h>
+/*
+ * The axp221 uses the p2wi bus, the axp223 is identical (for all registers
+ * used sofar) but uses the rsb bus. These functions abstract this.
+ */
+static int pmic_bus_init(void)
+{
+#ifdef CONFIG_MACH_SUN6I
+ p2wi_init();
+ return p2wi_change_to_p2wi_mode(AXP221_CHIP_ADDR, AXP221_CTRL_ADDR,
+ AXP221_INIT_DATA);
+#else
+ int ret;
+
+ rsb_init();
+
+ ret = rsb_set_device_mode(AXP223_DEVICE_MODE_DATA);
+ if (ret)
+ return ret;
+
+ return rsb_set_device_address(AXP223_DEVICE_ADDR, AXP223_RUNTIME_ADDR);
+#endif
+}
+
+static int pmic_bus_read(const u8 addr, u8 *data)
+{
+#ifdef CONFIG_MACH_SUN6I
+ return p2wi_read(addr, data);
+#else
+ return rsb_read(AXP223_RUNTIME_ADDR, addr, data);
+#endif
+}
+
+static int pmic_bus_write(const u8 addr, u8 data)
+{
+#ifdef CONFIG_MACH_SUN6I
+ return p2wi_write(addr, data);
+#else
+ return rsb_write(AXP223_RUNTIME_ADDR, addr, data);
+#endif
+}
+
static u8 axp221_mvolt_to_cfg(int mvolt, int min, int max, int div)
{
if (mvolt < min)
@@ -24,12 +72,12 @@ static int axp221_setbits(u8 reg, u8 bits)
int ret;
u8 val;
- ret = p2wi_read(reg, &val);
+ ret = pmic_bus_read(reg, &val);
if (ret)
return ret;
val |= bits;
- return p2wi_write(reg, val);
+ return pmic_bus_write(reg, val);
}
int axp221_set_dcdc1(unsigned int mvolt)
@@ -37,7 +85,7 @@ int axp221_set_dcdc1(unsigned int mvolt)
int ret;
u8 cfg = axp221_mvolt_to_cfg(mvolt, 1600, 3400, 100);
- ret = p2wi_write(AXP221_DCDC1_CTRL, cfg);
+ ret = pmic_bus_write(AXP221_DCDC1_CTRL, cfg);
if (ret)
return ret;
@@ -49,28 +97,28 @@ int axp221_set_dcdc2(unsigned int mvolt)
{
u8 cfg = axp221_mvolt_to_cfg(mvolt, 600, 1540, 20);
- return p2wi_write(AXP221_DCDC2_CTRL, cfg);
+ return pmic_bus_write(AXP221_DCDC2_CTRL, cfg);
}
int axp221_set_dcdc3(unsigned int mvolt)
{
u8 cfg = axp221_mvolt_to_cfg(mvolt, 600, 1860, 20);
- return p2wi_write(AXP221_DCDC3_CTRL, cfg);
+ return pmic_bus_write(AXP221_DCDC3_CTRL, cfg);
}
int axp221_set_dcdc4(unsigned int mvolt)
{
u8 cfg = axp221_mvolt_to_cfg(mvolt, 600, 1540, 20);
- return p2wi_write(AXP221_DCDC4_CTRL, cfg);
+ return pmic_bus_write(AXP221_DCDC4_CTRL, cfg);
}
int axp221_set_dcdc5(unsigned int mvolt)
{
u8 cfg = axp221_mvolt_to_cfg(mvolt, 1000, 2550, 50);
- return p2wi_write(AXP221_DCDC5_CTRL, cfg);
+ return pmic_bus_write(AXP221_DCDC5_CTRL, cfg);
}
int axp221_set_dldo1(unsigned int mvolt)
@@ -78,7 +126,7 @@ int axp221_set_dldo1(unsigned int mvolt)
int ret;
u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
- ret = p2wi_write(AXP221_DLDO1_CTRL, cfg);
+ ret = pmic_bus_write(AXP221_DLDO1_CTRL, cfg);
if (ret)
return ret;
@@ -91,7 +139,7 @@ int axp221_set_dldo2(unsigned int mvolt)
int ret;
u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
- ret = p2wi_write(AXP221_DLDO2_CTRL, cfg);
+ ret = pmic_bus_write(AXP221_DLDO2_CTRL, cfg);
if (ret)
return ret;
@@ -104,7 +152,7 @@ int axp221_set_dldo3(unsigned int mvolt)
int ret;
u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
- ret = p2wi_write(AXP221_DLDO3_CTRL, cfg);
+ ret = pmic_bus_write(AXP221_DLDO3_CTRL, cfg);
if (ret)
return ret;
@@ -117,7 +165,7 @@ int axp221_set_dldo4(unsigned int mvolt)
int ret;
u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
- ret = p2wi_write(AXP221_DLDO4_CTRL, cfg);
+ ret = pmic_bus_write(AXP221_DLDO4_CTRL, cfg);
if (ret)
return ret;
@@ -130,7 +178,7 @@ int axp221_set_aldo1(unsigned int mvolt)
int ret;
u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
- ret = p2wi_write(AXP221_ALDO1_CTRL, cfg);
+ ret = pmic_bus_write(AXP221_ALDO1_CTRL, cfg);
if (ret)
return ret;
@@ -143,7 +191,7 @@ int axp221_set_aldo2(unsigned int mvolt)
int ret;
u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
- ret = p2wi_write(AXP221_ALDO2_CTRL, cfg);
+ ret = pmic_bus_write(AXP221_ALDO2_CTRL, cfg);
if (ret)
return ret;
@@ -156,7 +204,7 @@ int axp221_set_aldo3(unsigned int mvolt)
int ret;
u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
- ret = p2wi_write(AXP221_ALDO3_CTRL, cfg);
+ ret = pmic_bus_write(AXP221_ALDO3_CTRL, cfg);
if (ret)
return ret;
@@ -169,13 +217,11 @@ int axp221_init(void)
u8 axp_chip_id;
int ret;
- p2wi_init();
- ret = p2wi_change_to_p2wi_mode(AXP221_CHIP_ADDR, AXP221_CTRL_ADDR,
- AXP221_INIT_DATA);
+ ret = pmic_bus_init();
if (ret)
return ret;
- ret = p2wi_read(AXP221_CHIP_ID, &axp_chip_id);
+ ret = pmic_bus_read(AXP221_CHIP_ID, &axp_chip_id);
if (ret)
return ret;
@@ -194,17 +240,17 @@ int axp221_get_sid(unsigned int *sid)
if (ret)
return ret;
- ret = p2wi_write(AXP221_PAGE, 1);
+ ret = pmic_bus_write(AXP221_PAGE, 1);
if (ret)
return ret;
for (i = 0; i < 16; i++) {
- ret = p2wi_read(AXP221_SID + i, &dest[i]);
+ ret = pmic_bus_read(AXP221_SID + i, &dest[i]);
if (ret)
return ret;
}
- p2wi_write(AXP221_PAGE, 0);
+ pmic_bus_write(AXP221_PAGE, 0);
for (i = 0; i < 4; i++)
sid[i] = be32_to_cpu(sid[i]);
diff --git a/include/axp221.h b/include/axp221.h
index ade9066..8df811a 100644
--- a/include/axp221.h
+++ b/include/axp221.h
@@ -10,6 +10,10 @@
#define AXP221_CTRL_ADDR 0x3e
#define AXP221_INIT_DATA 0x3e
+#define AXP223_DEVICE_ADDR 0x3a3
+#define AXP223_RUNTIME_ADDR 0x2d
+#define AXP223_DEVICE_MODE_DATA 0x7c3e00
+
/* Page 0 addresses */
#define AXP221_CHIP_ID 0x03
#define AXP221_OUTPUT_CTRL1 0x10
generated by cgit v1.1 at 2024-12-28 03:25:10 +0000