This driver is not used anymore. Drop it.
Signed-off-by: Simon Glass sjg@chromium.org ---
(no changes since v1)
drivers/misc/Kconfig | 13 --- drivers/misc/Makefile | 1 - drivers/misc/pca9551_led.c | 170 ------------------------------------- 3 files changed, 184 deletions(-) delete mode 100644 drivers/misc/pca9551_led.c
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 6009d55f400..23eb509d974 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -446,19 +446,6 @@ config SPL_PWRSEQ device. When the device is started up, its power sequence can be initiated.
-config PCA9551_LED - bool "Enable PCA9551 LED driver" - help - Enable driver for PCA9551 LED controller. This controller - is connected via I2C. So I2C needs to be enabled. - -config PCA9551_I2C_ADDR - hex "I2C address of PCA9551 LED controller" - depends on PCA9551_LED - default 0x60 - help - The I2C address of the PCA9551 LED controller. - config STM32MP_FUSE bool "Enable STM32MP fuse wrapper providing the fuse API" depends on ARCH_STM32MP && MISC diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index b7332587faa..e8f48228084 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -57,7 +57,6 @@ obj-$(CONFIG_NPCM_OTP) += npcm_otp.o obj-$(CONFIG_NPCM_HOST) += npcm_host_intf.o obj-$(CONFIG_NUVOTON_NCT6102D) += nuvoton_nct6102d.o obj-$(CONFIG_P2SB) += p2sb-uclass.o -obj-$(CONFIG_PCA9551_LED) += pca9551_led.o obj-$(CONFIG_$(XPL_)PWRSEQ) += pwrseq-uclass.o ifdef CONFIG_QFW obj-y += qfw.o diff --git a/drivers/misc/pca9551_led.c b/drivers/misc/pca9551_led.c deleted file mode 100644 index 040d0d5cf48..00000000000 --- a/drivers/misc/pca9551_led.c +++ /dev/null @@ -1,170 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright (C) 2015 Stefan Roese sr@denx.de - */ - -#include <errno.h> -#include <i2c.h> -#include <status_led.h> - -#ifndef CONFIG_PCA9551_I2C_ADDR -#error "CONFIG_PCA9551_I2C_ADDR not defined!" -#endif - -#define PCA9551_REG_INPUT 0x00 /* Input register (read only) */ -#define PCA9551_REG_PSC0 0x01 /* Frequency prescaler 0 */ -#define PCA9551_REG_PWM0 0x02 /* PWM0 */ -#define PCA9551_REG_PSC1 0x03 /* Frequency prescaler 1 */ -#define PCA9551_REG_PWM1 0x04 /* PWM1 */ -#define PCA9551_REG_LS0 0x05 /* LED0 to LED3 selector */ -#define PCA9551_REG_LS1 0x06 /* LED4 to LED7 selector */ - -#define PCA9551_CTRL_AI (1 << 4) /* Auto-increment flag */ - -#define PCA9551_LED_STATE_ON 0x00 -#define PCA9551_LED_STATE_OFF 0x01 -#define PCA9551_LED_STATE_BLINK0 0x02 -#define PCA9551_LED_STATE_BLINK1 0x03 - -struct pca9551_blink_rate { - u8 psc; /* Frequency preescaler, see PCA9551_7.pdf p. 6 */ - u8 pwm; /* Pulse width modulation, see PCA9551_7.pdf p. 6 */ -}; - -static int freq_last = -1; -static int mask_last = -1; -static int idx_last = -1; -static int mode_last; - -static int pca9551_led_get_state(int led, int *state) -{ - unsigned int reg; - u8 shift, buf; - int ret; - - if (led < 0 || led > 7) { - return -EINVAL; - } else if (led < 4) { - reg = PCA9551_REG_LS0; - shift = led << 1; - } else { - reg = PCA9551_REG_LS1; - shift = (led - 4) << 1; - } - - ret = i2c_read(CONFIG_PCA9551_I2C_ADDR, reg, 1, &buf, 1); - if (ret) - return ret; - - *state = (buf >> shift) & 0x03; - return 0; -} - -static int pca9551_led_set_state(int led, int state) -{ - unsigned int reg; - u8 shift, buf, mask; - int ret; - - if (led < 0 || led > 7) { - return -EINVAL; - } else if (led < 4) { - reg = PCA9551_REG_LS0; - shift = led << 1; - } else { - reg = PCA9551_REG_LS1; - shift = (led - 4) << 1; - } - mask = 0x03 << shift; - - ret = i2c_read(CONFIG_PCA9551_I2C_ADDR, reg, 1, &buf, 1); - if (ret) - return ret; - - buf = (buf & ~mask) | ((state & 0x03) << shift); - - ret = i2c_write(CONFIG_PCA9551_I2C_ADDR, reg, 1, &buf, 1); - if (ret) - return ret; - - return 0; -} - -static int pca9551_led_set_blink_rate(int idx, struct pca9551_blink_rate rate) -{ - unsigned int reg; - int ret; - - switch (idx) { - case 0: - reg = PCA9551_REG_PSC0; - break; - case 1: - reg = PCA9551_REG_PSC1; - break; - default: - return -EINVAL; - } - reg |= PCA9551_CTRL_AI; - - ret = i2c_write(CONFIG_PCA9551_I2C_ADDR, reg, 1, (u8 *)&rate, 2); - if (ret) - return ret; - - return 0; -} - -/* - * Functions referenced by cmd_led.c or status_led.c - */ -void __led_init(led_id_t id, int state) -{ -} - -void __led_set(led_id_t mask, int state) -{ - if (state == CONFIG_LED_STATUS_OFF) - pca9551_led_set_state(mask, PCA9551_LED_STATE_OFF); - else - pca9551_led_set_state(mask, PCA9551_LED_STATE_ON); -} - -void __led_toggle(led_id_t mask) -{ - int state = 0; - - pca9551_led_get_state(mask, &state); - pca9551_led_set_state(mask, !state); -} - -void __led_blink(led_id_t mask, int freq) -{ - struct pca9551_blink_rate rate; - int mode; - int idx; - - if ((freq == freq_last) || (mask == mask_last)) { - idx = idx_last; - mode = mode_last; - } else { - /* Toggle blink index */ - if (idx_last == 0) { - idx = 1; - mode = PCA9551_LED_STATE_BLINK1; - } else { - idx = 0; - mode = PCA9551_LED_STATE_BLINK0; - } - - idx_last = idx; - mode_last = mode; - } - freq_last = freq; - mask_last = mask; - - rate.psc = ((freq * 38) / 1000) - 1; - rate.pwm = 128; /* 50% duty cycle */ - - pca9551_led_set_blink_rate(idx, rate); - pca9551_led_set_state(mask, mode); -}