Add support for the axp152 and axp209 PMICs to the pmic register access
helpers. This is a preparation patch for moving the axp gpio code to a
separate gpio driver.
Signed-off-by: Hans de Goede
---
arch/arm/cpu/armv7/sunxi/Makefile | 2 ++
arch/arm/cpu/armv7/sunxi/pmic_bus.c | 35 +++
2 files changed, 29 insertions(+), 8 deletions(-)
diff --git a/arch/arm/cpu/armv7/sunxi/Makefile
b/arch/arm/cpu/armv7/sunxi/Makefile
index 50791e0..5221902 100644
--- a/arch/arm/cpu/armv7/sunxi/Makefile
+++ b/arch/arm/cpu/armv7/sunxi/Makefile
@@ -32,6 +32,8 @@ obj-$(CONFIG_MACH_SUN8I_A23) += clock_sun6i.o
obj-$(CONFIG_MACH_SUN8I_A33) += clock_sun6i.o
obj-$(CONFIG_MACH_SUN9I) += clock_sun9i.o
+obj-$(CONFIG_AXP152_POWER) += pmic_bus.o
+obj-$(CONFIG_AXP209_POWER) += pmic_bus.o
obj-$(CONFIG_AXP221_POWER) += pmic_bus.o
ifndef CONFIG_SPL_BUILD
diff --git a/arch/arm/cpu/armv7/sunxi/pmic_bus.c
b/arch/arm/cpu/armv7/sunxi/pmic_bus.c
index 389144b..9e05127 100644
--- a/arch/arm/cpu/armv7/sunxi/pmic_bus.c
+++ b/arch/arm/cpu/armv7/sunxi/pmic_bus.c
@@ -12,8 +12,13 @@
#include
#include
#include
+#include
#include
+#define AXP152_I2C_ADDR0x30
+
+#define AXP209_I2C_ADDR0x34
+
#define AXP221_CHIP_ADDR 0x68
#define AXP221_CTRL_ADDR 0x3e
#define AXP221_INIT_DATA 0x3e
@@ -25,24 +30,26 @@ int pmic_bus_init(void)
{
/* This cannot be 0 because it is used in SPL before BSS is ready */
static int needs_init = 1;
- int ret;
+ __maybe_unused int ret;
if (!needs_init)
return 0;
-#ifdef CONFIG_MACH_SUN6I
+#ifdef CONFIG_AXP221_POWER
+# ifdef CONFIG_MACH_SUN6I
p2wi_init();
ret = p2wi_change_to_p2wi_mode(AXP221_CHIP_ADDR, AXP221_CTRL_ADDR,
AXP221_INIT_DATA);
-#else
+# else
ret = rsb_init();
if (ret)
return ret;
ret = rsb_set_device_address(AXP223_DEVICE_ADDR, AXP223_RUNTIME_ADDR);
-#endif
+# endif
if (ret)
return ret;
+#endif
needs_init = 0;
return 0;
@@ -50,19 +57,31 @@ int pmic_bus_init(void)
int pmic_bus_read(u8 reg, u8 *data)
{
-#ifdef CONFIG_MACH_SUN6I
+#ifdef CONFIG_AXP152_POWER
+ return i2c_read(AXP152_I2C_ADDR, reg, 1, data, 1);
+#elif defined CONFIG_AXP209_POWER
+ return i2c_read(AXP209_I2C_ADDR, reg, 1, data, 1);
+#elif defined CONFIG_AXP221_POWER
+# ifdef CONFIG_MACH_SUN6I
return p2wi_read(reg, data);
-#else
+# else
return rsb_read(AXP223_RUNTIME_ADDR, reg, data);
+# endif
#endif
}
int pmic_bus_write(u8 reg, u8 data)
{
-#ifdef CONFIG_MACH_SUN6I
+#ifdef CONFIG_AXP152_POWER
+ return i2c_write(AXP152_I2C_ADDR, reg, 1, &data, 1);
+#elif defined CONFIG_AXP209_POWER
+ return i2c_write(AXP209_I2C_ADDR, reg, 1, &data, 1);
+#elif defined CONFIG_AXP221_POWER
+# ifdef CONFIG_MACH_SUN6I
return p2wi_write(reg, data);
-#else
+# else
return rsb_write(AXP223_RUNTIME_ADDR, reg, data);
+# endif
#endif
}
--
2.3.5
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