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authorPatrice Chotard <patrice.chotard@st.com>2017-12-12 09:49:40 +0100
committerTom Rini <trini@konsulko.com>2018-01-10 08:05:46 -0500
commitc8f787760ede974ec24407cc66966571384db606 (patch)
tree7f2602a0b622703e73e9a23b69efdf575bc97396 /drivers/gpio
parent4a56fd484a2e4a02ab372d299d0231002035f3ff (diff)
board: stm32f429-disco: switch to DM STM32 pinctrl and gpio driver
Use available DM stm32f7_gpio.c and pinctrl_stm32.c drivers instead of board GPIO initialization. Remove stm32_gpio.c which is no more used and migrate structs stm32_gpio_regs and stm32_gpio_priv into arch-stm32f4/gpio.h to not break compilation. Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/Makefile1
-rw-r--r--drivers/gpio/stm32_gpio.c182
2 files changed, 0 insertions, 183 deletions
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 201d7bfff9..8525679091 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -48,7 +48,6 @@ obj-$(CONFIG_ADI_GPIO2) += adi_gpio2.o
obj-$(CONFIG_TCA642X) += tca642x.o
obj-$(CONFIG_SUNXI_GPIO) += sunxi_gpio.o
obj-$(CONFIG_LPC32XX_GPIO) += lpc32xx_gpio.o
-obj-$(CONFIG_STM32_GPIO) += stm32_gpio.o
obj-$(CONFIG_STM32F7_GPIO) += stm32f7_gpio.o
obj-$(CONFIG_GPIO_UNIPHIER) += gpio-uniphier.o
obj-$(CONFIG_ZYNQ_GPIO) += zynq_gpio.o
diff --git a/drivers/gpio/stm32_gpio.c b/drivers/gpio/stm32_gpio.c
deleted file mode 100644
index c04cef4cb9..0000000000
--- a/drivers/gpio/stm32_gpio.c
+++ /dev/null
@@ -1,182 +0,0 @@
-/*
- * (C) Copyright 2011
- * Yuri Tikhonov, Emcraft Systems, yur@emcraft.com
- *
- * (C) Copyright 2015
- * Kamil Lulko, <kamil.lulko@gmail.com>
- *
- * Copyright 2015 ATS Advanced Telematics Systems GmbH
- * Copyright 2015 Konsulko Group, Matt Porter <mporter@konsulko.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <linux/errno.h>
-#include <asm/arch/stm32.h>
-#include <asm/arch/gpio.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-static const unsigned long io_base[] = {
- STM32_GPIOA_BASE, STM32_GPIOB_BASE, STM32_GPIOC_BASE,
- STM32_GPIOD_BASE, STM32_GPIOE_BASE, STM32_GPIOF_BASE,
- STM32_GPIOG_BASE, STM32_GPIOH_BASE, STM32_GPIOI_BASE
-};
-
-struct stm32_gpio_regs {
- u32 moder; /* GPIO port mode */
- u32 otyper; /* GPIO port output type */
- u32 ospeedr; /* GPIO port output speed */
- u32 pupdr; /* GPIO port pull-up/pull-down */
- u32 idr; /* GPIO port input data */
- u32 odr; /* GPIO port output data */
- u32 bsrr; /* GPIO port bit set/reset */
- u32 lckr; /* GPIO port configuration lock */
- u32 afr[2]; /* GPIO alternate function */
-};
-
-#define CHECK_DSC(x) (!x || x->port > 8 || x->pin > 15)
-#define CHECK_CTL(x) (!x || x->af > 15 || x->mode > 3 || x->otype > 1 || \
- x->pupd > 2 || x->speed > 3)
-
-int stm32_gpio_config(const struct stm32_gpio_dsc *dsc,
- const struct stm32_gpio_ctl *ctl)
-{
- struct stm32_gpio_regs *gpio_regs;
- u32 i;
- int rv;
-
- if (CHECK_DSC(dsc)) {
- rv = -EINVAL;
- goto out;
- }
- if (CHECK_CTL(ctl)) {
- rv = -EINVAL;
- goto out;
- }
-
- gpio_regs = (struct stm32_gpio_regs *)io_base[dsc->port];
-
- i = (dsc->pin & 0x07) * 4;
- clrsetbits_le32(&gpio_regs->afr[dsc->pin >> 3], 0xF << i, ctl->af << i);
-
- i = dsc->pin * 2;
-
- clrsetbits_le32(&gpio_regs->moder, 0x3 << i, ctl->mode << i);
- clrsetbits_le32(&gpio_regs->otyper, 0x3 << i, ctl->otype << i);
- clrsetbits_le32(&gpio_regs->ospeedr, 0x3 << i, ctl->speed << i);
- clrsetbits_le32(&gpio_regs->pupdr, 0x3 << i, ctl->pupd << i);
-
- rv = 0;
-out:
- return rv;
-}
-
-int stm32_gpout_set(const struct stm32_gpio_dsc *dsc, int state)
-{
- struct stm32_gpio_regs *gpio_regs;
- int rv;
-
- if (CHECK_DSC(dsc)) {
- rv = -EINVAL;
- goto out;
- }
-
- gpio_regs = (struct stm32_gpio_regs *)io_base[dsc->port];
-
- if (state)
- writel(1 << dsc->pin, &gpio_regs->bsrr);
- else
- writel(1 << (dsc->pin + 16), &gpio_regs->bsrr);
-
- rv = 0;
-out:
- return rv;
-}
-
-int stm32_gpin_get(const struct stm32_gpio_dsc *dsc)
-{
- struct stm32_gpio_regs *gpio_regs;
- int rv;
-
- if (CHECK_DSC(dsc)) {
- rv = -EINVAL;
- goto out;
- }
-
- gpio_regs = (struct stm32_gpio_regs *)io_base[dsc->port];
- rv = readl(&gpio_regs->idr) & (1 << dsc->pin);
-out:
- return rv;
-}
-
-/* Common GPIO API */
-
-int gpio_request(unsigned gpio, const char *label)
-{
- return 0;
-}
-
-int gpio_free(unsigned gpio)
-{
- return 0;
-}
-
-int gpio_direction_input(unsigned gpio)
-{
- struct stm32_gpio_dsc dsc;
- struct stm32_gpio_ctl ctl;
-
- dsc.port = stm32_gpio_to_port(gpio);
- dsc.pin = stm32_gpio_to_pin(gpio);
- ctl.af = STM32_GPIO_AF0;
- ctl.mode = STM32_GPIO_MODE_IN;
- ctl.otype = STM32_GPIO_OTYPE_PP;
- ctl.pupd = STM32_GPIO_PUPD_NO;
- ctl.speed = STM32_GPIO_SPEED_50M;
-
- return stm32_gpio_config(&dsc, &ctl);
-}
-
-int gpio_direction_output(unsigned gpio, int value)
-{
- struct stm32_gpio_dsc dsc;
- struct stm32_gpio_ctl ctl;
- int res;
-
- dsc.port = stm32_gpio_to_port(gpio);
- dsc.pin = stm32_gpio_to_pin(gpio);
- ctl.af = STM32_GPIO_AF0;
- ctl.mode = STM32_GPIO_MODE_OUT;
- ctl.pupd = STM32_GPIO_PUPD_NO;
- ctl.speed = STM32_GPIO_SPEED_50M;
-
- res = stm32_gpio_config(&dsc, &ctl);
- if (res < 0)
- goto out;
- res = stm32_gpout_set(&dsc, value);
-out:
- return res;
-}
-
-int gpio_get_value(unsigned gpio)
-{
- struct stm32_gpio_dsc dsc;
-
- dsc.port = stm32_gpio_to_port(gpio);
- dsc.pin = stm32_gpio_to_pin(gpio);
-
- return stm32_gpin_get(&dsc);
-}
-
-int gpio_set_value(unsigned gpio, int value)
-{
- struct stm32_gpio_dsc dsc;
-
- dsc.port = stm32_gpio_to_port(gpio);
- dsc.pin = stm32_gpio_to_pin(gpio);
-
- return stm32_gpout_set(&dsc, value);
-}