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Diffstat (limited to 'arch/arm/cpu/armv7/sunxi/pmic_bus.c')
-rw-r--r--arch/arm/cpu/armv7/sunxi/pmic_bus.c113
1 files changed, 0 insertions, 113 deletions
diff --git a/arch/arm/cpu/armv7/sunxi/pmic_bus.c b/arch/arm/cpu/armv7/sunxi/pmic_bus.c
deleted file mode 100644
index 5b81a8d..0000000
--- a/arch/arm/cpu/armv7/sunxi/pmic_bus.c
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * (C) Copyright 2015 Hans de Goede <hdegoede@redhat.com>
- *
- * Sunxi PMIC bus access helpers
- *
- * The axp152 & axp209 use an i2c bus, the axp221 uses the p2wi bus and the
- * axp223 uses the rsb bus, these functions abstract this.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/arch/p2wi.h>
-#include <asm/arch/rsb.h>
-#include <i2c.h>
-#include <asm/arch/pmic_bus.h>
-
-#define AXP152_I2C_ADDR 0x30
-
-#define AXP209_I2C_ADDR 0x34
-
-#define AXP221_CHIP_ADDR 0x68
-#define AXP221_CTRL_ADDR 0x3e
-#define AXP221_INIT_DATA 0x3e
-
-/* AXP818 device and runtime addresses are same as AXP223 */
-#define AXP223_DEVICE_ADDR 0x3a3
-#define AXP223_RUNTIME_ADDR 0x2d
-
-int pmic_bus_init(void)
-{
- /* This cannot be 0 because it is used in SPL before BSS is ready */
- static int needs_init = 1;
- __maybe_unused int ret;
-
- if (!needs_init)
- return 0;
-
-#if defined CONFIG_AXP221_POWER || defined CONFIG_AXP818_POWER
-# ifdef CONFIG_MACH_SUN6I
- p2wi_init();
- ret = p2wi_change_to_p2wi_mode(AXP221_CHIP_ADDR, AXP221_CTRL_ADDR,
- AXP221_INIT_DATA);
-# else
- ret = rsb_init();
- if (ret)
- return ret;
-
- ret = rsb_set_device_address(AXP223_DEVICE_ADDR, AXP223_RUNTIME_ADDR);
-# endif
- if (ret)
- return ret;
-#endif
-
- needs_init = 0;
- return 0;
-}
-
-int pmic_bus_read(u8 reg, u8 *data)
-{
-#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 || defined CONFIG_AXP818_POWER
-# ifdef CONFIG_MACH_SUN6I
- return p2wi_read(reg, data);
-# else
- return rsb_read(AXP223_RUNTIME_ADDR, reg, data);
-# endif
-#endif
-}
-
-int pmic_bus_write(u8 reg, u8 data)
-{
-#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 || defined CONFIG_AXP818_POWER
-# ifdef CONFIG_MACH_SUN6I
- return p2wi_write(reg, data);
-# else
- return rsb_write(AXP223_RUNTIME_ADDR, reg, data);
-# endif
-#endif
-}
-
-int pmic_bus_setbits(u8 reg, u8 bits)
-{
- int ret;
- u8 val;
-
- ret = pmic_bus_read(reg, &val);
- if (ret)
- return ret;
-
- val |= bits;
- return pmic_bus_write(reg, val);
-}
-
-int pmic_bus_clrbits(u8 reg, u8 bits)
-{
- int ret;
- u8 val;
-
- ret = pmic_bus_read(reg, &val);
- if (ret)
- return ret;
-
- val &= ~bits;
- return pmic_bus_write(reg, val);
-}