mfd: pcF50633-gpio: Remove unused driver

The pcf50633 was used as part of the OpenMoko devices but
the support for its main chip was recently removed in:
commit 61b7f8920b17 ("ARM: s3c: remove all s3c24xx support")

See https://lore.kernel.org/all/Z8z236h4B5A6Ki3D@gallifrey/

Remove it.

Signed-off-by: "Dr. David Alan Gilbert" <linux@treblig.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20250311014959.743322-4-linux@treblig.org
Signed-off-by: Lee Jones <lee@kernel.org>

3 files changed, 0 insertions, 100 deletions

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index cd55ef1027e0..4bd31f6a6b4c 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -1142,13 +1142,6 @@ config MFD_PCF50633
 	  facilities, and registers devices for the various functions
 	  so that function-specific drivers can bind to them.
 
-config PCF50633_GPIO
-	tristate "NXP PCF50633 GPIO"
-	depends on MFD_PCF50633
-	help
-	  Say yes here if you want to include support GPIO for pins on
-	  the PCF50633 chip.
-
 config MFD_PM8XXX
 	tristate "Qualcomm PM8xxx PMIC chips driver"
 	depends on ARM || HEXAGON || COMPILE_TEST
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 481e4c7e1e2d..e3e78ad1ee4b 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -185,7 +185,6 @@ obj-$(CONFIG_MFD_MT6397)	+= mt6397.o
 
 pcf50633-objs			:= pcf50633-core.o pcf50633-irq.o
 obj-$(CONFIG_MFD_PCF50633)	+= pcf50633.o
-obj-$(CONFIG_PCF50633_GPIO)	+= pcf50633-gpio.o
 obj-$(CONFIG_RZ_MTU3)		+= rz-mtu3.o
 obj-$(CONFIG_ABX500_CORE)	+= abx500-core.o
 obj-$(CONFIG_MFD_DB8500_PRCMU)	+= db8500-prcmu.o
diff --git a/drivers/mfd/pcf50633-gpio.c b/drivers/mfd/pcf50633-gpio.c
deleted file mode 100644
index 3e368219479a..000000000000
--- a/drivers/mfd/pcf50633-gpio.c
+++ /dev/null
@@ -1,92 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/* NXP PCF50633 GPIO Driver
- *
- * (C) 2006-2008 by Openmoko, Inc.
- * Author: Balaji Rao <balajirrao@openmoko.org>
- * All rights reserved.
- *
- * Broken down from monstrous PCF50633 driver mainly by
- * Harald Welte, Andy Green and Werner Almesberger
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-
-#include <linux/mfd/pcf50633/core.h>
-#include <linux/mfd/pcf50633/gpio.h>
-#include <linux/mfd/pcf50633/pmic.h>
-
-static const u8 pcf50633_regulator_registers[PCF50633_NUM_REGULATORS] = {
-	[PCF50633_REGULATOR_AUTO]	= PCF50633_REG_AUTOOUT,
-	[PCF50633_REGULATOR_DOWN1]	= PCF50633_REG_DOWN1OUT,
-	[PCF50633_REGULATOR_DOWN2]	= PCF50633_REG_DOWN2OUT,
-	[PCF50633_REGULATOR_MEMLDO]	= PCF50633_REG_MEMLDOOUT,
-	[PCF50633_REGULATOR_LDO1]	= PCF50633_REG_LDO1OUT,
-	[PCF50633_REGULATOR_LDO2]	= PCF50633_REG_LDO2OUT,
-	[PCF50633_REGULATOR_LDO3]	= PCF50633_REG_LDO3OUT,
-	[PCF50633_REGULATOR_LDO4]	= PCF50633_REG_LDO4OUT,
-	[PCF50633_REGULATOR_LDO5]	= PCF50633_REG_LDO5OUT,
-	[PCF50633_REGULATOR_LDO6]	= PCF50633_REG_LDO6OUT,
-	[PCF50633_REGULATOR_HCLDO]	= PCF50633_REG_HCLDOOUT,
-};
-
-int pcf50633_gpio_set(struct pcf50633 *pcf, int gpio, u8 val)
-{
-	u8 reg;
-
-	reg = gpio - PCF50633_GPIO1 + PCF50633_REG_GPIO1CFG;
-
-	return pcf50633_reg_set_bit_mask(pcf, reg, 0x07, val);
-}
-EXPORT_SYMBOL_GPL(pcf50633_gpio_set);
-
-u8 pcf50633_gpio_get(struct pcf50633 *pcf, int gpio)
-{
-	u8 reg, val;
-
-	reg = gpio - PCF50633_GPIO1 + PCF50633_REG_GPIO1CFG;
-	val = pcf50633_reg_read(pcf, reg) & 0x07;
-
-	return val;
-}
-EXPORT_SYMBOL_GPL(pcf50633_gpio_get);
-
-int pcf50633_gpio_invert_set(struct pcf50633 *pcf, int gpio, int invert)
-{
-	u8 val, reg;
-
-	reg = gpio - PCF50633_GPIO1 + PCF50633_REG_GPIO1CFG;
-	val = !!invert << 3;
-
-	return pcf50633_reg_set_bit_mask(pcf, reg, 1 << 3, val);
-}
-EXPORT_SYMBOL_GPL(pcf50633_gpio_invert_set);
-
-int pcf50633_gpio_invert_get(struct pcf50633 *pcf, int gpio)
-{
-	u8 reg, val;
-
-	reg = gpio - PCF50633_GPIO1 + PCF50633_REG_GPIO1CFG;
-	val = pcf50633_reg_read(pcf, reg);
-
-	return val & (1 << 3);
-}
-EXPORT_SYMBOL_GPL(pcf50633_gpio_invert_get);
-
-int pcf50633_gpio_power_supply_set(struct pcf50633 *pcf,
-					int gpio, int regulator, int on)
-{
-	u8 reg, val, mask;
-
-	/* the *ENA register is always one after the *OUT register */
-	reg = pcf50633_regulator_registers[regulator] + 1;
-
-	val = !!on << (gpio - PCF50633_GPIO1);
-	mask = 1 << (gpio - PCF50633_GPIO1);
-
-	return pcf50633_reg_set_bit_mask(pcf, reg, mask, val);
-}
-EXPORT_SYMBOL_GPL(pcf50633_gpio_power_supply_set);
-
-MODULE_DESCRIPTION("NXP PCF50633 GPIO Driver");
-MODULE_LICENSE("GPL");