This driver is not used in U-Boot. Drop it and its associated CONFIG
options.
Signed-off-by: Simon Glass <s...@chromium.org>
Reviewed-by: Bin Meng <bmeng...@gmail.com>
---
Changes in v2:
- Drop include/sx151x.h also
drivers/gpio/Makefile | 1 -
drivers/gpio/sx151x.c | 242 -------------------------------------------
include/sx151x.h | 17 ---
scripts/config_whitelist.txt | 3 -
4 files changed, 263 deletions(-)
delete mode 100644 drivers/gpio/sx151x.c
delete mode 100644 include/sx151x.h
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 8937e99b47..1396467ab6 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -45,7 +45,6 @@ obj-$(CONFIG_BCM2835_GPIO) += bcm2835_gpio.o
obj-$(CONFIG_XILINX_GPIO) += xilinx_gpio.o
obj-$(CONFIG_ADI_GPIO2) += adi_gpio2.o
obj-$(CONFIG_TCA642X) += tca642x.o
-oby-$(CONFIG_SX151X) += sx151x.o
obj-$(CONFIG_SUNXI_GPIO) += sunxi_gpio.o
obj-$(CONFIG_LPC32XX_GPIO) += lpc32xx_gpio.o
obj-$(CONFIG_STM32_GPIO) += stm32_gpio.o
diff --git a/drivers/gpio/sx151x.c b/drivers/gpio/sx151x.c
deleted file mode 100644
index 167cf40c71..0000000000
--- a/drivers/gpio/sx151x.c
+++ /dev/null
@@ -1,242 +0,0 @@
-/*
- * (C) Copyright 2013
- * Viktar Palstsiuk, Promwad, viktar.palsts...@promwad.com
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-/*
- * Driver for Semtech SX151x SPI GPIO Expanders
- */
-
-#include <common.h>
-#include <spi.h>
-#include <sx151x.h>
-
-#ifndef CONFIG_SX151X_SPI_BUS
-#define CONFIG_SX151X_SPI_BUS 0
-#endif
-
-/*
- * The SX151x registers
- */
-
-#ifdef CONFIG_SX151X_GPIO_COUNT_8
-/* 8bit: SX1511 */
-#define SX151X_REG_DIR 0x07
-#define SX151X_REG_DATA 0x08
-#else
-/* 16bit: SX1512 */
-#define SX151X_REG_DIR 0x0F
-#define SX151X_REG_DATA 0x11
-#endif
-#define SX151X_REG_RESET 0x7D
-
-static int sx151x_spi_write(int chip, unsigned char reg, unsigned char val)
-{
- struct spi_slave *slave;
- unsigned char buf[2];
- int ret;
-
- slave = spi_setup_slave(CONFIG_SX151X_SPI_BUS, chip, 1000000,
- SPI_MODE_0);
- if (!slave)
- return 0;
-
- spi_claim_bus(slave);
-
- buf[0] = reg;
- buf[1] = val;
-
- ret = spi_xfer(slave, 16, buf, NULL, SPI_XFER_BEGIN | SPI_XFER_END);
- if (ret < 0)
- printf("spi%d.%d write fail: can't write %02x to %02x: %d\n",
- CONFIG_SX151X_SPI_BUS, chip, val, reg, ret);
- else
- printf("spi%d.%d write 0x%02x to register 0x%02x\n",
- CONFIG_SX151X_SPI_BUS, chip, val, reg);
- spi_release_bus(slave);
- spi_free_slave(slave);
-
- return ret;
-}
-
-static int sx151x_spi_read(int chip, unsigned char reg)
-{
- struct spi_slave *slave;
- int ret;
-
- slave = spi_setup_slave(CONFIG_SX151X_SPI_BUS, chip, 1000000,
- SPI_MODE_0);
- if (!slave)
- return 0;
-
- spi_claim_bus(slave);
-
- ret = spi_w8r8(slave, reg | 0x80);
- if (ret < 0)
- printf("spi%d.%d read fail: can't read %02x: %d\n",
- CONFIG_SX151X_SPI_BUS, chip, reg, ret);
- else
- printf("spi%d.%d read register 0x%02x: 0x%02x\n",
- CONFIG_SX151X_SPI_BUS, chip, reg, ret);
-
- spi_release_bus(slave);
- spi_free_slave(slave);
-
- return ret;
-}
-
-static inline void sx151x_find_cfg(int gpio, unsigned char *reg, unsigned char
*mask)
-{
- *reg -= gpio / 8;
- *mask = 1 << (gpio % 8);
-}
-
-static int sx151x_write_cfg(int chip, unsigned char gpio, unsigned char reg,
int val)
-{
- unsigned char mask;
- unsigned char data;
- int ret;
-
- sx151x_find_cfg(gpio, ®, &mask);
- ret = sx151x_spi_read(chip, reg);
- if (ret < 0)
- return ret;
- else
- data = ret;
- data &= ~mask;
- data |= (val << (gpio % 8)) & mask;
- return sx151x_spi_write(chip, reg, data);
-}
-
-int sx151x_get_value(int chip, int gpio)
-{
- unsigned char reg = SX151X_REG_DATA;
- unsigned char mask;
- int ret;
-
- sx151x_find_cfg(gpio, ®, &mask);
- ret = sx151x_spi_read(chip, reg);
- if (ret >= 0)
- ret = (ret & mask) != 0 ? 1 : 0;
-
- return ret;
-}
-
-int sx151x_set_value(int chip, int gpio, int val)
-{
- return sx151x_write_cfg(chip, gpio, SX151X_REG_DATA, (val ? 1 : 0));
-}
-
-int sx151x_direction_input(int chip, int gpio)
-{
- return sx151x_write_cfg(chip, gpio, SX151X_REG_DIR, 1);
-}
-
-int sx151x_direction_output(int chip, int gpio)
-{
- return sx151x_write_cfg(chip, gpio, SX151X_REG_DIR, 0);
-}
-
-int sx151x_reset(int chip)
-{
- int err;
-
- err = sx151x_spi_write(chip, SX151X_REG_RESET, 0x12);
- if (err < 0)
- return err;
-
- err = sx151x_spi_write(chip, SX151X_REG_RESET, 0x34);
- return err;
-}
-
-#ifdef CONFIG_CMD_SX151X
-
-int do_sx151x(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
- int ret = CMD_RET_USAGE, chip = 0, gpio = 0, val = 0;
-
- if (argc < 3)
- return CMD_RET_USAGE;
-
- /* arg2 used as chip number */
- chip = simple_strtoul(argv[2], NULL, 10);
-
- if (strcmp(argv[1], "reset") == 0) {
- ret = sx151x_reset(chip);
- if (!ret) {
- printf("Device at spi%d.%d was reset\n",
- CONFIG_SX151X_SPI_BUS, chip);
- }
- return ret;
- }
-
- if (argc < 4)
- return CMD_RET_USAGE;
-
- /* arg3 used as gpio number */
- gpio = simple_strtoul(argv[3], NULL, 10);
-
- if (strcmp(argv[1], "get") == 0) {
- ret = sx151x_get_value(chip, gpio);
- if (ret < 0)
- printf("Failed to get value at spi%d.%d gpio %d\n",
- CONFIG_SX151X_SPI_BUS, chip, gpio);
- else {
- printf("Value at spi%d.%d gpio %d is %d\n",
- CONFIG_SX151X_SPI_BUS, chip, gpio, ret);
- ret = 0;
- }
- return ret;
- }
-
- if (argc < 5)
- return CMD_RET_USAGE;
-
- /* arg4 used as value or direction */
- val = simple_strtoul(argv[4], NULL, 10);
-
- if (strcmp(argv[1], "set") == 0) {
- ret = sx151x_set_value(chip, gpio, val);
- if (ret < 0)
- printf("Failed to set value at spi%d.%d gpio %d\n",
- CONFIG_SX151X_SPI_BUS, chip, gpio);
- else
- printf("New value at spi%d.%d gpio %d is %d\n",
- CONFIG_SX151X_SPI_BUS, chip, gpio, val);
- return ret;
- } else if (strcmp(argv[1], "dir") == 0) {
- if (val == 0)
- ret = sx151x_direction_output(chip, gpio);
- else
- ret = sx151x_direction_input(chip, gpio);
-
- if (ret < 0)
- printf("Failed to set direction of spi%d.%d gpio %d\n",
- CONFIG_SX151X_SPI_BUS, chip, gpio);
- else
- printf("New direction of spi%d.%d gpio %d is %d\n",
- CONFIG_SX151X_SPI_BUS, chip, gpio, val);
- return ret;
- }
-
- printf("Please see usage\n");
-
- return ret;
-}
-
-U_BOOT_CMD(
- sx151x, 5, 1, do_sx151x,
- "sx151x gpio access",
- "dir chip gpio 0|1\n"
- " - set gpio direction (0 for output, 1 for input)\n"
- "sx151x get chip gpio\n"
- " - get gpio value\n"
- "sx151x set chip gpio 0|1\n"
- " - set gpio value\n"
- "sx151x reset chip\n"
- " - reset chip"
-);
-
-#endif /* CONFIG_CMD_SX151X */
diff --git a/include/sx151x.h b/include/sx151x.h
deleted file mode 100644
index be42b0681b..0000000000
--- a/include/sx151x.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * (C) Copyright 2013
- * Viktar Palstsiuk, Promwad, viktar.palsts...@promwad.com
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#ifndef __SX151X_H_
-#define __SX151X_H_
-
-int sx151x_get_value(int chip, int gpio);
-int sx151x_set_value(int chip, int gpio, int val);
-int sx151x_direction_input(int chip, int gpio);
-int sx151x_direction_output(int chip, int gpio);
-int sx151x_reset(int chip);
-
-#endif /* __SX151X_H_ */
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index e89099472c..f5ec487668 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -296,7 +296,6 @@ CONFIG_CM922T_XA10
CONFIG_CMDLINE_EDITING
CONFIG_CMDLINE_PS_SUPPORT
CONFIG_CMDLINE_TAG
-CONFIG_CMD_SX151X
CONFIG_CMD_TCA642X
CONFIG_CMD_TERMINAL
CONFIG_CMD_TFTP
@@ -2338,8 +2337,6 @@ CONFIG_SUPPORT_EMMC_RPMB
CONFIG_SUPPORT_RAW_INITRD
CONFIG_SUPPORT_VFAT
CONFIG_SUVD3
-CONFIG_SX151X_GPIO_COUNT_8
-CONFIG_SX151X_SPI_BUS
CONFIG_SXNI855T
CONFIG_SYSCOUNTER_TIMER
CONFIG_SYSFLAGS_ADDR
--
2.14.0.rc1.383.gd1ce394fe2-goog
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