mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-28 15:41:40 +00:00
gpio: Drop unused pca9698 driver
This is not used. Drop the driver and Kconfig option. Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
Tom Rini
parent
dc1756a4a9
commit
408296aad9
5 changed files with 1 additions and 188 deletions
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@ -30,9 +30,6 @@
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#ifdef CONFIG_PCF857X
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#include <pcf857x.h>
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#endif
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#ifdef CONFIG_PCA9698
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#include <pca9698.h>
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#endif
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#ifdef CONFIG_PCA9554
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#include <pca9554.h>
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#endif
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@ -59,13 +56,6 @@ static const char * const pca9555_gpio_list[] = {
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};
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#endif
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#ifdef CONFIG_PCA9698
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/** List of compatible strings supported by pca9698 driver */
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static const char * const pca9698_gpio_list[] = {
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"nxp,pca9505", "pca9505", "nxp,pca9698", "pca9698", NULL,
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};
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#endif
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#ifdef CONFIG_PCA953X
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/** List of compatible strings supported by pca953x driver */
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static const char * const pca953x_gpio_list[] = {
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@ -807,19 +797,6 @@ int octeon_fdt_read_gpio(const void *fdt, int phandle, int pin)
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}
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value = (value >> pin) & 1;
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break;
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#endif
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#ifdef CONFIG_PCA9698
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case CVMX_GPIO_PIN_PCA9698:
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node = fdt_node_offset_by_phandle(fdt, phandle);
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if (octeon_fdt_get_i2c_bus_addr(fdt, node, &bus, &addr)) {
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printf("%s: Could not get gpio bus and/or address\n", __func__);
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return -1;
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}
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old_bus = i2c_get_bus_num();
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i2c_set_bus_num(bus);
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value = pca9698_get_value(addr, pin);
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i2c_set_bus_num(old_bus);
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break;
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#endif
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case CVMX_GPIO_PIN_OCTEON:
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value = gpio_get_value(pin);
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@ -880,18 +857,6 @@ int octeon_fdt_set_gpio(const void *fdt, int phandle, int pin, int val)
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return -1;
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}
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return pcf957x_set_val(bus, addr, 1 << pin, val << pin);
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#endif
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#ifdef CONFIG_PCA9698
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case CVMX_GPIO_PIN_PCA9698:
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if (octeon_fdt_get_i2c_bus_addr(fdt, node, &bus, &addr)) {
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printf("%s: Could not get gpio bus and/or address\n", __func__);
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return -1;
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}
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old_bus = i2c_get_bus_num();
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i2c_set_bus_num(bus);
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rc = pca9698_set_value(addr, pin, val);
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i2c_set_bus_num(old_bus);
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return rc;
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#endif
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case CVMX_GPIO_PIN_OCTEON:
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return gpio_set_value(pin, val);
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@ -951,13 +916,7 @@ int octeon_fdt_get_gpio_info(int fdt_node, enum octeon_gpio_type *type,
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*type = GPIO_TYPE_PCA953X;
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}
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#endif
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#ifdef CONFIG_PCA9698
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if (!octeon_fdt_node_check_compatible(fdt, fdt_node, pca9698_gpio_list)) {
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debug("%s: Found PCA9698 compatible GPIO", __func__);
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*type = GPIO_TYPE_PCA9698;
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}
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#endif
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#if defined(CONFIG_PCA953X) || defined(CONFIG_PCA9698) || \
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#if defined(CONFIG_PCA953X) || \
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defined(CONFIG_PCA9555) || defined(CONFIG_PCA9554)
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if (!i2c_addr || !i2c_bus) {
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printf("%s: Error: i2c_addr or i2c_bus is NULL\n", __func__);
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@ -15,7 +15,6 @@
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#include <u-boot/sha1.h>
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#include <asm/byteorder.h>
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#include <asm/unaligned.h>
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#include <pca9698.h>
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#include "hre.h"
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@ -28,7 +28,6 @@ obj-$(CONFIG_MXC_GPIO) += mxc_gpio.o
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obj-$(CONFIG_MXS_GPIO) += mxs_gpio.o
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obj-$(CONFIG_NPCM_GPIO) += npcm_gpio.o
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obj-$(CONFIG_PCA953X) += pca953x.o
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obj-$(CONFIG_PCA9698) += pca9698.o
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obj-$(CONFIG_ROCKCHIP_GPIO) += rk_gpio.o
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obj-$(CONFIG_RCAR_GPIO) += gpio-rcar.o
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obj-$(CONFIG_RZA1_GPIO) += gpio-rza1.o
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@ -1,127 +0,0 @@
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2011
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* Dirk Eibach, Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
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*/
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/*
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* Driver for NXP's pca9698 40 bit I2C gpio expander
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*/
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#include <common.h>
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#include <i2c.h>
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#include <malloc.h>
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#include <linux/errno.h>
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#include <pca9698.h>
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/*
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* The pca9698 registers
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*/
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#define PCA9698_REG_INPUT 0x00
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#define PCA9698_REG_OUTPUT 0x08
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#define PCA9698_REG_POLARITY 0x10
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#define PCA9698_REG_CONFIG 0x18
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#define PCA9698_BUFFER_SIZE 5
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#define PCA9698_GPIO_COUNT 40
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static int pca9698_read40(u8 addr, u8 offset, u8 *buffer)
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{
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u8 command = offset | 0x80; /* autoincrement */
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return i2c_read(addr, command, 1, buffer, PCA9698_BUFFER_SIZE);
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}
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static int pca9698_write40(u8 addr, u8 offset, u8 *buffer)
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{
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u8 command = offset | 0x80; /* autoincrement */
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return i2c_write(addr, command, 1, buffer, PCA9698_BUFFER_SIZE);
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}
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static void pca9698_set_bit(unsigned gpio, u8 *buffer, unsigned value)
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{
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unsigned byte = gpio / 8;
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unsigned bit = gpio % 8;
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if (value)
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buffer[byte] |= (1 << bit);
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else
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buffer[byte] &= ~(1 << bit);
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}
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int pca9698_request(unsigned gpio, const char *label)
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{
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if (gpio >= PCA9698_GPIO_COUNT)
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return -EINVAL;
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return 0;
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}
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void pca9698_free(unsigned gpio)
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{
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}
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int pca9698_direction_input(u8 addr, unsigned gpio)
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{
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u8 data[PCA9698_BUFFER_SIZE];
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int res;
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res = pca9698_read40(addr, PCA9698_REG_CONFIG, data);
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if (res)
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return res;
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pca9698_set_bit(gpio, data, 1);
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return pca9698_write40(addr, PCA9698_REG_CONFIG, data);
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}
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int pca9698_direction_output(u8 addr, unsigned gpio, int value)
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{
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u8 data[PCA9698_BUFFER_SIZE];
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int res;
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res = pca9698_set_value(addr, gpio, value);
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if (res)
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return res;
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res = pca9698_read40(addr, PCA9698_REG_CONFIG, data);
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if (res)
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return res;
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pca9698_set_bit(gpio, data, 0);
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return pca9698_write40(addr, PCA9698_REG_CONFIG, data);
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}
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int pca9698_get_value(u8 addr, unsigned gpio)
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{
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unsigned config_byte = gpio / 8;
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unsigned config_bit = gpio % 8;
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unsigned value;
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u8 data[PCA9698_BUFFER_SIZE];
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int res;
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res = pca9698_read40(addr, PCA9698_REG_INPUT, data);
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if (res)
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return -1;
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value = data[config_byte] & (1 << config_bit);
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return !!value;
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}
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int pca9698_set_value(u8 addr, unsigned gpio, int value)
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{
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u8 data[PCA9698_BUFFER_SIZE];
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int res;
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res = pca9698_read40(addr, PCA9698_REG_OUTPUT, data);
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if (res)
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return res;
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pca9698_set_bit(gpio, data, value);
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return pca9698_write40(addr, PCA9698_REG_OUTPUT, data);
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}
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@ -1,17 +0,0 @@
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/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2011
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* Dirk Eibach, Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
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*/
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#ifndef __PCA9698_H_
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#define __PCA9698_H_
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int pca9698_request(unsigned gpio, const char *label);
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void pca9698_free(unsigned gpio);
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int pca9698_direction_input(u8 addr, unsigned gpio);
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int pca9698_direction_output(u8 addr, unsigned gpio, int value);
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int pca9698_get_value(u8 addr, unsigned gpio);
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int pca9698_set_value(u8 addr, unsigned gpio, int value);
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#endif /* __PCA9698_H_ */
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