This is not used. Drop the driver and Kconfig option.
Signed-off-by: Simon Glass sjg@chromium.org ---
arch/mips/mach-octeon/octeon_fdt.c | 43 +--------- board/gdsys/a38x/hre.c | 1 - drivers/gpio/Makefile | 1 - drivers/gpio/pca9698.c | 127 ----------------------------- include/pca9698.h | 17 ---- 5 files changed, 1 insertion(+), 188 deletions(-) delete mode 100644 drivers/gpio/pca9698.c delete mode 100644 include/pca9698.h
diff --git a/arch/mips/mach-octeon/octeon_fdt.c b/arch/mips/mach-octeon/octeon_fdt.c index 0ccfe149dcc..c74fe9d9fb8 100644 --- a/arch/mips/mach-octeon/octeon_fdt.c +++ b/arch/mips/mach-octeon/octeon_fdt.c @@ -30,9 +30,6 @@ #ifdef CONFIG_PCF857X #include <pcf857x.h> #endif -#ifdef CONFIG_PCA9698 -#include <pca9698.h> -#endif #ifdef CONFIG_PCA9554 #include <pca9554.h> #endif @@ -59,13 +56,6 @@ static const char * const pca9555_gpio_list[] = { }; #endif
-#ifdef CONFIG_PCA9698 -/** List of compatible strings supported by pca9698 driver */ -static const char * const pca9698_gpio_list[] = { - "nxp,pca9505", "pca9505", "nxp,pca9698", "pca9698", NULL, -}; -#endif - #ifdef CONFIG_PCA953X /** List of compatible strings supported by pca953x driver */ static const char * const pca953x_gpio_list[] = { @@ -807,19 +797,6 @@ int octeon_fdt_read_gpio(const void *fdt, int phandle, int pin) } value = (value >> pin) & 1; break; -#endif -#ifdef CONFIG_PCA9698 - case CVMX_GPIO_PIN_PCA9698: - node = fdt_node_offset_by_phandle(fdt, phandle); - if (octeon_fdt_get_i2c_bus_addr(fdt, node, &bus, &addr)) { - printf("%s: Could not get gpio bus and/or address\n", __func__); - return -1; - } - old_bus = i2c_get_bus_num(); - i2c_set_bus_num(bus); - value = pca9698_get_value(addr, pin); - i2c_set_bus_num(old_bus); - break; #endif case CVMX_GPIO_PIN_OCTEON: value = gpio_get_value(pin); @@ -880,18 +857,6 @@ int octeon_fdt_set_gpio(const void *fdt, int phandle, int pin, int val) return -1; } return pcf957x_set_val(bus, addr, 1 << pin, val << pin); -#endif -#ifdef CONFIG_PCA9698 - case CVMX_GPIO_PIN_PCA9698: - if (octeon_fdt_get_i2c_bus_addr(fdt, node, &bus, &addr)) { - printf("%s: Could not get gpio bus and/or address\n", __func__); - return -1; - } - old_bus = i2c_get_bus_num(); - i2c_set_bus_num(bus); - rc = pca9698_set_value(addr, pin, val); - i2c_set_bus_num(old_bus); - return rc; #endif case CVMX_GPIO_PIN_OCTEON: return gpio_set_value(pin, val); @@ -951,13 +916,7 @@ int octeon_fdt_get_gpio_info(int fdt_node, enum octeon_gpio_type *type, *type = GPIO_TYPE_PCA953X; } #endif -#ifdef CONFIG_PCA9698 - if (!octeon_fdt_node_check_compatible(fdt, fdt_node, pca9698_gpio_list)) { - debug("%s: Found PCA9698 compatible GPIO", __func__); - *type = GPIO_TYPE_PCA9698; - } -#endif -#if defined(CONFIG_PCA953X) || defined(CONFIG_PCA9698) || \ +#if defined(CONFIG_PCA953X) || \ defined(CONFIG_PCA9555) || defined(CONFIG_PCA9554) if (!i2c_addr || !i2c_bus) { printf("%s: Error: i2c_addr or i2c_bus is NULL\n", __func__); diff --git a/board/gdsys/a38x/hre.c b/board/gdsys/a38x/hre.c index 2f16a4d3e11..d16233ed78e 100644 --- a/board/gdsys/a38x/hre.c +++ b/board/gdsys/a38x/hre.c @@ -15,7 +15,6 @@ #include <u-boot/sha1.h> #include <asm/byteorder.h> #include <asm/unaligned.h> -#include <pca9698.h>
#include "hre.h"
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index 889a88dc885..fcd136367ac 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -28,7 +28,6 @@ obj-$(CONFIG_MXC_GPIO) += mxc_gpio.o obj-$(CONFIG_MXS_GPIO) += mxs_gpio.o obj-$(CONFIG_NPCM_GPIO) += npcm_gpio.o obj-$(CONFIG_PCA953X) += pca953x.o -obj-$(CONFIG_PCA9698) += pca9698.o obj-$(CONFIG_ROCKCHIP_GPIO) += rk_gpio.o obj-$(CONFIG_RCAR_GPIO) += gpio-rcar.o obj-$(CONFIG_RZA1_GPIO) += gpio-rza1.o diff --git a/drivers/gpio/pca9698.c b/drivers/gpio/pca9698.c deleted file mode 100644 index 11274c78101..00000000000 --- a/drivers/gpio/pca9698.c +++ /dev/null @@ -1,127 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2011 - * Dirk Eibach, Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc - */ - -/* - * Driver for NXP's pca9698 40 bit I2C gpio expander - */ - -#include <common.h> -#include <i2c.h> -#include <malloc.h> -#include <linux/errno.h> -#include <pca9698.h> - -/* - * The pca9698 registers - */ - -#define PCA9698_REG_INPUT 0x00 -#define PCA9698_REG_OUTPUT 0x08 -#define PCA9698_REG_POLARITY 0x10 -#define PCA9698_REG_CONFIG 0x18 - -#define PCA9698_BUFFER_SIZE 5 -#define PCA9698_GPIO_COUNT 40 - -static int pca9698_read40(u8 addr, u8 offset, u8 *buffer) -{ - u8 command = offset | 0x80; /* autoincrement */ - - return i2c_read(addr, command, 1, buffer, PCA9698_BUFFER_SIZE); -} - -static int pca9698_write40(u8 addr, u8 offset, u8 *buffer) -{ - u8 command = offset | 0x80; /* autoincrement */ - - return i2c_write(addr, command, 1, buffer, PCA9698_BUFFER_SIZE); -} - -static void pca9698_set_bit(unsigned gpio, u8 *buffer, unsigned value) -{ - unsigned byte = gpio / 8; - unsigned bit = gpio % 8; - - if (value) - buffer[byte] |= (1 << bit); - else - buffer[byte] &= ~(1 << bit); -} - -int pca9698_request(unsigned gpio, const char *label) -{ - if (gpio >= PCA9698_GPIO_COUNT) - return -EINVAL; - - return 0; -} - -void pca9698_free(unsigned gpio) -{ -} - -int pca9698_direction_input(u8 addr, unsigned gpio) -{ - u8 data[PCA9698_BUFFER_SIZE]; - int res; - - res = pca9698_read40(addr, PCA9698_REG_CONFIG, data); - if (res) - return res; - - pca9698_set_bit(gpio, data, 1); - - return pca9698_write40(addr, PCA9698_REG_CONFIG, data); -} - -int pca9698_direction_output(u8 addr, unsigned gpio, int value) -{ - u8 data[PCA9698_BUFFER_SIZE]; - int res; - - res = pca9698_set_value(addr, gpio, value); - if (res) - return res; - - res = pca9698_read40(addr, PCA9698_REG_CONFIG, data); - if (res) - return res; - - pca9698_set_bit(gpio, data, 0); - - return pca9698_write40(addr, PCA9698_REG_CONFIG, data); -} - -int pca9698_get_value(u8 addr, unsigned gpio) -{ - unsigned config_byte = gpio / 8; - unsigned config_bit = gpio % 8; - unsigned value; - u8 data[PCA9698_BUFFER_SIZE]; - int res; - - res = pca9698_read40(addr, PCA9698_REG_INPUT, data); - if (res) - return -1; - - value = data[config_byte] & (1 << config_bit); - - return !!value; -} - -int pca9698_set_value(u8 addr, unsigned gpio, int value) -{ - u8 data[PCA9698_BUFFER_SIZE]; - int res; - - res = pca9698_read40(addr, PCA9698_REG_OUTPUT, data); - if (res) - return res; - - pca9698_set_bit(gpio, data, value); - - return pca9698_write40(addr, PCA9698_REG_OUTPUT, data); -} diff --git a/include/pca9698.h b/include/pca9698.h deleted file mode 100644 index 48a5f756e28..00000000000 --- a/include/pca9698.h +++ /dev/null @@ -1,17 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * (C) Copyright 2011 - * Dirk Eibach, Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc - */ - -#ifndef __PCA9698_H_ -#define __PCA9698_H_ - -int pca9698_request(unsigned gpio, const char *label); -void pca9698_free(unsigned gpio); -int pca9698_direction_input(u8 addr, unsigned gpio); -int pca9698_direction_output(u8 addr, unsigned gpio, int value); -int pca9698_get_value(u8 addr, unsigned gpio); -int pca9698_set_value(u8 addr, unsigned gpio, int value); - -#endif /* __PCA9698_H_ */