diff options
Diffstat (limited to 'drivers/pinctrl')
-rw-r--r-- | drivers/pinctrl/Kconfig | 1 | ||||
-rw-r--r-- | drivers/pinctrl/Makefile | 1 | ||||
-rw-r--r-- | drivers/pinctrl/mscc/Kconfig | 22 | ||||
-rw-r--r-- | drivers/pinctrl/mscc/Makefile | 5 | ||||
-rw-r--r-- | drivers/pinctrl/mscc/mscc-common.c | 236 | ||||
-rw-r--r-- | drivers/pinctrl/mscc/mscc-common.h | 51 | ||||
-rw-r--r-- | drivers/pinctrl/mscc/pinctrl-luton.c | 172 | ||||
-rw-r--r-- | drivers/pinctrl/mscc/pinctrl-ocelot.c | 188 |
8 files changed, 676 insertions, 0 deletions
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index 7e6fad305a..1dbe2b104b 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -306,6 +306,7 @@ source "drivers/pinctrl/nxp/Kconfig" source "drivers/pinctrl/renesas/Kconfig" source "drivers/pinctrl/uniphier/Kconfig" source "drivers/pinctrl/exynos/Kconfig" +source "drivers/pinctrl/mscc/Kconfig" source "drivers/pinctrl/mvebu/Kconfig" source "drivers/pinctrl/broadcom/Kconfig" diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile index 293bad3a95..66d36b99d1 100644 --- a/drivers/pinctrl/Makefile +++ b/drivers/pinctrl/Makefile @@ -17,6 +17,7 @@ obj-$(CONFIG_PINCTRL_PIC32) += pinctrl_pic32.o obj-$(CONFIG_PINCTRL_EXYNOS) += exynos/ obj-$(CONFIG_PINCTRL_MESON) += meson/ obj-$(CONFIG_PINCTRL_MTK) += mediatek/ +obj-$(CONFIG_PINCTRL_MSCC) += mscc/ obj-$(CONFIG_ARCH_MVEBU) += mvebu/ obj-$(CONFIG_PINCTRL_SINGLE) += pinctrl-single.o obj-$(CONFIG_PINCTRL_STI) += pinctrl-sti.o diff --git a/drivers/pinctrl/mscc/Kconfig b/drivers/pinctrl/mscc/Kconfig new file mode 100644 index 0000000000..cfc6c06076 --- /dev/null +++ b/drivers/pinctrl/mscc/Kconfig @@ -0,0 +1,22 @@ +# SPDX-License-Identifier: (GPL-2.0+ OR MIT) + +config PINCTRL_MSCC + bool + +config PINCTRL_MSCC_OCELOT + depends on SOC_OCELOT && PINCTRL_FULL && OF_CONTROL + select PINCTRL_MSCC + default y + bool "Microsemi ocelot family pin control driver" + help + Support pin multiplexing and pin configuration control on + Microsemi ocelot SoCs. + +config PINCTRL_MSCC_LUTON + depends on SOC_LUTON && PINCTRL_FULL && OF_CONTROL + select PINCTRL_MSCC + default y + bool "Microsemi luton family pin control driver" + help + Support pin multiplexing and pin configuration control on + Microsemi luton SoCs. diff --git a/drivers/pinctrl/mscc/Makefile b/drivers/pinctrl/mscc/Makefile new file mode 100644 index 0000000000..6910671728 --- /dev/null +++ b/drivers/pinctrl/mscc/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: (GPL-2.0+ OR MIT) + +obj-y += mscc-common.o +obj-$(CONFIG_PINCTRL_MSCC_OCELOT) += pinctrl-ocelot.o +obj-$(CONFIG_PINCTRL_MSCC_LUTON) += pinctrl-luton.o diff --git a/drivers/pinctrl/mscc/mscc-common.c b/drivers/pinctrl/mscc/mscc-common.c new file mode 100644 index 0000000000..d74b8a6649 --- /dev/null +++ b/drivers/pinctrl/mscc/mscc-common.c @@ -0,0 +1,236 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Microsemi SoCs pinctrl driver + * + * Author: <alexandre.belloni@free-electrons.com> + * Author: <gregory.clement@bootlin.com> + * License: Dual MIT/GPL + * Copyright (c) 2017 Microsemi Corporation + */ + +#include <asm/gpio.h> +#include <asm/system.h> +#include <common.h> +#include <config.h> +#include <dm.h> +#include <dm/device-internal.h> +#include <dm/lists.h> +#include <dm/pinctrl.h> +#include <dm/root.h> +#include <errno.h> +#include <fdtdec.h> +#include <linux/io.h> +#include "mscc-common.h" + +#define MSCC_GPIO_OUT_SET 0x0 +#define MSCC_GPIO_OUT_CLR 0x4 +#define MSCC_GPIO_OUT 0x8 +#define MSCC_GPIO_IN 0xc +#define MSCC_GPIO_OE 0x10 +#define MSCC_GPIO_INTR 0x14 +#define MSCC_GPIO_INTR_ENA 0x18 +#define MSCC_GPIO_INTR_IDENT 0x1c +#define MSCC_GPIO_ALT0 0x20 +#define MSCC_GPIO_ALT1 0x24 + +static int mscc_get_functions_count(struct udevice *dev) +{ + struct mscc_pinctrl *info = dev_get_priv(dev); + + return info->num_func; +} + +static const char *mscc_get_function_name(struct udevice *dev, + unsigned int function) +{ + struct mscc_pinctrl *info = dev_get_priv(dev); + + return info->function_names[function]; +} + +static int mscc_pin_function_idx(unsigned int pin, unsigned int function, + const struct mscc_pin_data *mscc_pins) +{ + struct mscc_pin_caps *p = mscc_pins[pin].drv_data; + int i; + + for (i = 0; i < MSCC_FUNC_PER_PIN; i++) { + if (function == p->functions[i]) + return i; + } + + return -1; +} + +static int mscc_pinmux_set_mux(struct udevice *dev, + unsigned int pin_selector, unsigned int selector) +{ + struct mscc_pinctrl *info = dev_get_priv(dev); + struct mscc_pin_caps *pin = info->mscc_pins[pin_selector].drv_data; + int f; + + f = mscc_pin_function_idx(pin_selector, selector, info->mscc_pins); + if (f < 0) + return -EINVAL; + /* + * f is encoded on two bits. + * bit 0 of f goes in BIT(pin) of ALT0, bit 1 of f goes in BIT(pin) of + * ALT1 + * This is racy because both registers can't be updated at the same time + * but it doesn't matter much for now. + */ + if (f & BIT(0)) + setbits_le32(info->regs + MSCC_GPIO_ALT0, BIT(pin->pin)); + else + clrbits_le32(info->regs + MSCC_GPIO_ALT0, BIT(pin->pin)); + + if (f & BIT(1)) + setbits_le32(info->regs + MSCC_GPIO_ALT1, BIT(pin->pin - 1)); + else + clrbits_le32(info->regs + MSCC_GPIO_ALT1, BIT(pin->pin - 1)); + + return 0; +} + +static int mscc_pctl_get_groups_count(struct udevice *dev) +{ + struct mscc_pinctrl *info = dev_get_priv(dev); + + return info->num_pins; +} + +static const char *mscc_pctl_get_group_name(struct udevice *dev, + unsigned int group) +{ + struct mscc_pinctrl *info = dev_get_priv(dev); + + return info->mscc_pins[group].name; +} + +static int mscc_create_group_func_map(struct udevice *dev, + struct mscc_pinctrl *info) +{ + u16 pins[info->num_pins]; + int f, npins, i; + + for (f = 0; f < info->num_func; f++) { + for (npins = 0, i = 0; i < info->num_pins; i++) { + if (mscc_pin_function_idx(i, f, info->mscc_pins) >= 0) + pins[npins++] = i; + } + + info->func[f].ngroups = npins; + info->func[f].groups = devm_kzalloc(dev, npins * + sizeof(char *), GFP_KERNEL); + if (!info->func[f].groups) + return -ENOMEM; + + for (i = 0; i < npins; i++) + info->func[f].groups[i] = info->mscc_pins[pins[i]].name; + } + + return 0; +} + +static int mscc_pinctrl_register(struct udevice *dev, struct mscc_pinctrl *info) +{ + int ret; + + ret = mscc_create_group_func_map(dev, info); + if (ret) { + dev_err(dev, "Unable to create group func map.\n"); + return ret; + } + + return 0; +} + +static int mscc_gpio_get(struct udevice *dev, unsigned int offset) +{ + struct mscc_pinctrl *info = dev_get_priv(dev->parent); + unsigned int val; + + val = readl(info->regs + MSCC_GPIO_IN); + + return !!(val & BIT(offset)); +} + +static int mscc_gpio_set(struct udevice *dev, unsigned int offset, int value) +{ + struct mscc_pinctrl *info = dev_get_priv(dev->parent); + + if (value) + writel(BIT(offset), info->regs + MSCC_GPIO_OUT_SET); + else + writel(BIT(offset), info->regs + MSCC_GPIO_OUT_CLR); + + return 0; +} + +static int mscc_gpio_get_direction(struct udevice *dev, unsigned int offset) +{ + struct mscc_pinctrl *info = dev_get_priv(dev->parent); + unsigned int val; + + val = readl(info->regs + MSCC_GPIO_OE); + + return (val & BIT(offset)) ? GPIOF_OUTPUT : GPIOF_INPUT; +} + +static int mscc_gpio_direction_input(struct udevice *dev, unsigned int offset) +{ + struct mscc_pinctrl *info = dev_get_priv(dev->parent); + + clrbits_le32(info->regs + MSCC_GPIO_OE, BIT(offset)); + + return 0; +} + +static int mscc_gpio_direction_output(struct udevice *dev, + unsigned int offset, int value) +{ + struct mscc_pinctrl *info = dev_get_priv(dev->parent); + + setbits_le32(info->regs + MSCC_GPIO_OE, BIT(offset)); + + return mscc_gpio_set(dev, offset, value); +} + +const struct dm_gpio_ops mscc_gpio_ops = { + .set_value = mscc_gpio_set, + .get_value = mscc_gpio_get, + .get_function = mscc_gpio_get_direction, + .direction_input = mscc_gpio_direction_input, + .direction_output = mscc_gpio_direction_output, +}; + +const struct pinctrl_ops mscc_pinctrl_ops = { + .get_pins_count = mscc_pctl_get_groups_count, + .get_pin_name = mscc_pctl_get_group_name, + .get_functions_count = mscc_get_functions_count, + .get_function_name = mscc_get_function_name, + .pinmux_set = mscc_pinmux_set_mux, + .set_state = pinctrl_generic_set_state, +}; + +int mscc_pinctrl_probe(struct udevice *dev, int num_func, + const struct mscc_pin_data *mscc_pins, int num_pins, + char *const *function_names) +{ + struct mscc_pinctrl *priv = dev_get_priv(dev); + int ret; + + priv->regs = dev_remap_addr(dev); + if (!priv->regs) + return -EINVAL; + + priv->func = devm_kzalloc(dev, num_func * sizeof(struct mscc_pmx_func), + GFP_KERNEL); + priv->num_func = num_func; + priv->mscc_pins = mscc_pins; + priv->num_pins = num_pins; + priv->function_names = function_names; + ret = mscc_pinctrl_register(dev, priv); + + return ret; +} diff --git a/drivers/pinctrl/mscc/mscc-common.h b/drivers/pinctrl/mscc/mscc-common.h new file mode 100644 index 0000000000..b0001db44c --- /dev/null +++ b/drivers/pinctrl/mscc/mscc-common.h @@ -0,0 +1,51 @@ +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ +/* + * Microsemi SoCs pinctrl driver + * + * Author: <alexandre.belloni@free-electrons.com> + * License: Dual MIT/GPL + * Copyright (c) 2017 Microsemi Corporation + */ + +#define MSCC_FUNC_PER_PIN 4 + +struct mscc_pin_caps { + unsigned int pin; + unsigned char functions[MSCC_FUNC_PER_PIN]; +}; + +struct mscc_pin_data { + const char *name; + struct mscc_pin_caps *drv_data; +}; + +#define MSCC_P(p, f0, f1, f2) \ +static struct mscc_pin_caps mscc_pin_##p = { \ + .pin = p, \ + .functions = { \ + FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_##f2, \ + }, \ +} + +struct mscc_pmx_func { + const char **groups; + unsigned int ngroups; +}; + +struct mscc_pinctrl { + struct udevice *dev; + struct pinctrl_dev *pctl; + void __iomem *regs; + struct mscc_pmx_func *func; + int num_func; + const struct mscc_pin_data *mscc_pins; + int num_pins; + char * const *function_names; +}; + +int mscc_pinctrl_probe(struct udevice *dev, int num_func, + const struct mscc_pin_data *mscc_pins, int num_pins, + char * const *function_names); +const struct pinctrl_ops mscc_pinctrl_ops; + +const struct dm_gpio_ops mscc_gpio_ops; diff --git a/drivers/pinctrl/mscc/pinctrl-luton.c b/drivers/pinctrl/mscc/pinctrl-luton.c new file mode 100644 index 0000000000..7166588e3c --- /dev/null +++ b/drivers/pinctrl/mscc/pinctrl-luton.c @@ -0,0 +1,172 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Microsemi SoCs pinctrl driver + * + * Author: <gregory.clement@bootlin.com> + * License: Dual MIT/GPL + * Copyright (c) 2018 Microsemi Corporation + */ + +#include <common.h> +#include <config.h> +#include <dm.h> +#include <dm/device-internal.h> +#include <dm/lists.h> +#include <dm/pinctrl.h> +#include <dm/root.h> +#include <errno.h> +#include <fdtdec.h> +#include <linux/io.h> +#include <asm/gpio.h> +#include <asm/system.h> +#include "mscc-common.h" + +enum { + FUNC_NONE, + FUNC_GPIO, + FUNC_SIO, + FUNC_TACHO, + FUNC_TWI, + FUNC_PHY_LED, + FUNC_EXT_IRQ, + FUNC_SFP, + FUNC_SI, + FUNC_PWM, + FUNC_UART, + FUNC_MAX +}; + +static char * const luton_function_names[] = { + [FUNC_NONE] = "none", + [FUNC_GPIO] = "gpio", + [FUNC_SIO] = "sio", + [FUNC_TACHO] = "tacho", + [FUNC_TWI] = "twi", + [FUNC_PHY_LED] = "phy_led", + [FUNC_EXT_IRQ] = "ext_irq", + [FUNC_SFP] = "sfp", + [FUNC_SI] = "si", + [FUNC_PWM] = "pwm", + [FUNC_UART] = "uart", +}; + +MSCC_P(0, SIO, NONE, NONE); +MSCC_P(1, SIO, NONE, NONE); +MSCC_P(2, SIO, NONE, NONE); +MSCC_P(3, SIO, NONE, NONE); +MSCC_P(4, TACHO, NONE, NONE); +MSCC_P(5, TWI, PHY_LED, NONE); +MSCC_P(6, TWI, PHY_LED, NONE); +MSCC_P(7, NONE, PHY_LED, NONE); +MSCC_P(8, EXT_IRQ, PHY_LED, NONE); +MSCC_P(9, EXT_IRQ, PHY_LED, NONE); +MSCC_P(10, SFP, PHY_LED, NONE); +MSCC_P(11, SFP, PHY_LED, NONE); +MSCC_P(12, SFP, PHY_LED, NONE); +MSCC_P(13, SFP, PHY_LED, NONE); +MSCC_P(14, SI, PHY_LED, NONE); +MSCC_P(15, SI, PHY_LED, NONE); +MSCC_P(16, SI, PHY_LED, NONE); +MSCC_P(17, SFP, PHY_LED, NONE); +MSCC_P(18, SFP, PHY_LED, NONE); +MSCC_P(19, SFP, PHY_LED, NONE); +MSCC_P(20, SFP, PHY_LED, NONE); +MSCC_P(21, SFP, PHY_LED, NONE); +MSCC_P(22, SFP, PHY_LED, NONE); +MSCC_P(23, SFP, PHY_LED, NONE); +MSCC_P(24, SFP, PHY_LED, NONE); +MSCC_P(25, SFP, PHY_LED, NONE); +MSCC_P(26, SFP, PHY_LED, NONE); +MSCC_P(27, SFP, PHY_LED, NONE); +MSCC_P(28, SFP, PHY_LED, NONE); +MSCC_P(29, PWM, NONE, NONE); +MSCC_P(30, UART, NONE, NONE); +MSCC_P(31, UART, NONE, NONE); + +#define LUTON_PIN(n) { \ + .name = "GPIO_"#n, \ + .drv_data = &mscc_pin_##n \ +} + +static const struct mscc_pin_data luton_pins[] = { + LUTON_PIN(0), + LUTON_PIN(1), + LUTON_PIN(2), + LUTON_PIN(3), + LUTON_PIN(4), + LUTON_PIN(5), + LUTON_PIN(6), + LUTON_PIN(7), + LUTON_PIN(8), + LUTON_PIN(9), + LUTON_PIN(10), + LUTON_PIN(11), + LUTON_PIN(12), + LUTON_PIN(13), + LUTON_PIN(14), + LUTON_PIN(15), + LUTON_PIN(16), + LUTON_PIN(17), + LUTON_PIN(18), + LUTON_PIN(19), + LUTON_PIN(20), + LUTON_PIN(21), + LUTON_PIN(22), + LUTON_PIN(23), + LUTON_PIN(24), + LUTON_PIN(25), + LUTON_PIN(26), + LUTON_PIN(27), + LUTON_PIN(28), + LUTON_PIN(29), + LUTON_PIN(30), + LUTON_PIN(31), +}; + +static int luton_gpio_probe(struct udevice *dev) +{ + struct gpio_dev_priv *uc_priv; + + uc_priv = dev_get_uclass_priv(dev); + uc_priv->bank_name = "luton-gpio"; + uc_priv->gpio_count = ARRAY_SIZE(luton_pins); + + return 0; +} + +static struct driver luton_gpio_driver = { + .name = "luton-gpio", + .id = UCLASS_GPIO, + .probe = luton_gpio_probe, + .ops = &mscc_gpio_ops, +}; + +int luton_pinctrl_probe(struct udevice *dev) +{ + int ret; + + ret = mscc_pinctrl_probe(dev, FUNC_MAX, luton_pins, + ARRAY_SIZE(luton_pins), luton_function_names); + + if (ret) + return ret; + + ret = device_bind(dev, &luton_gpio_driver, "luton-gpio", NULL, + dev_of_offset(dev), NULL); + + return 0; +} + +static const struct udevice_id luton_pinctrl_of_match[] = { + {.compatible = "mscc,luton-pinctrl"}, + {}, +}; + +U_BOOT_DRIVER(luton_pinctrl) = { + .name = "luton-pinctrl", + .id = UCLASS_PINCTRL, + .of_match = of_match_ptr(luton_pinctrl_of_match), + .probe = luton_pinctrl_probe, + .priv_auto_alloc_size = sizeof(struct mscc_pinctrl), + .ops = &mscc_pinctrl_ops, +}; diff --git a/drivers/pinctrl/mscc/pinctrl-ocelot.c b/drivers/pinctrl/mscc/pinctrl-ocelot.c new file mode 100644 index 0000000000..10f9b90aad --- /dev/null +++ b/drivers/pinctrl/mscc/pinctrl-ocelot.c @@ -0,0 +1,188 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Microsemi SoCs pinctrl driver + * + * Author: <alexandre.belloni@free-electrons.com> + * Author: <gregory.clement@bootlin.com> + * License: Dual MIT/GPL + * Copyright (c) 2017 Microsemi Corporation + */ + +#include <asm/gpio.h> +#include <asm/system.h> +#include <common.h> +#include <config.h> +#include <dm.h> +#include <dm/device-internal.h> +#include <dm/lists.h> +#include <dm/pinctrl.h> +#include <dm/root.h> +#include <errno.h> +#include <fdtdec.h> +#include <linux/io.h> +#include "mscc-common.h" + +enum { + FUNC_NONE, + FUNC_GPIO, + FUNC_IRQ0_IN, + FUNC_IRQ0_OUT, + FUNC_IRQ1_IN, + FUNC_IRQ1_OUT, + FUNC_MIIM1, + FUNC_PCI_WAKE, + FUNC_PTP0, + FUNC_PTP1, + FUNC_PTP2, + FUNC_PTP3, + FUNC_PWM, + FUNC_RECO_CLK0, + FUNC_RECO_CLK1, + FUNC_SFP0, + FUNC_SFP1, + FUNC_SFP2, + FUNC_SFP3, + FUNC_SFP4, + FUNC_SFP5, + FUNC_SG0, + FUNC_SI, + FUNC_TACHO, + FUNC_TWI, + FUNC_TWI_SCL_M, + FUNC_UART, + FUNC_UART2, + FUNC_MAX +}; + +static char * const ocelot_function_names[] = { + [FUNC_NONE] = "none", + [FUNC_GPIO] = "gpio", + [FUNC_IRQ0_IN] = "irq0_in", + [FUNC_IRQ0_OUT] = "irq0_out", + [FUNC_IRQ1_IN] = "irq1_in", + [FUNC_IRQ1_OUT] = "irq1_out", + [FUNC_MIIM1] = "miim1", + [FUNC_PCI_WAKE] = "pci_wake", + [FUNC_PTP0] = "ptp0", + [FUNC_PTP1] = "ptp1", + [FUNC_PTP2] = "ptp2", + [FUNC_PTP3] = "ptp3", + [FUNC_PWM] = "pwm", + [FUNC_RECO_CLK0] = "reco_clk0", + [FUNC_RECO_CLK1] = "reco_clk1", + [FUNC_SFP0] = "sfp0", + [FUNC_SFP1] = "sfp1", + [FUNC_SFP2] = "sfp2", + [FUNC_SFP3] = "sfp3", + [FUNC_SFP4] = "sfp4", + [FUNC_SFP5] = "sfp5", + [FUNC_SG0] = "sg0", + [FUNC_SI] = "si", + [FUNC_TACHO] = "tacho", + [FUNC_TWI] = "twi", + [FUNC_TWI_SCL_M] = "twi_scl_m", + [FUNC_UART] = "uart", + [FUNC_UART2] = "uart2", +}; + +MSCC_P(0, SG0, NONE, NONE); +MSCC_P(1, SG0, NONE, NONE); +MSCC_P(2, SG0, NONE, NONE); +MSCC_P(3, SG0, NONE, NONE); +MSCC_P(4, IRQ0_IN, IRQ0_OUT, TWI); +MSCC_P(5, IRQ1_IN, IRQ1_OUT, PCI_WAKE); +MSCC_P(6, UART, TWI_SCL_M, NONE); +MSCC_P(7, UART, TWI_SCL_M, NONE); +MSCC_P(8, SI, TWI_SCL_M, IRQ0_OUT); +MSCC_P(9, SI, TWI_SCL_M, IRQ1_OUT); +MSCC_P(10, PTP2, TWI_SCL_M, SFP0); +MSCC_P(11, PTP3, TWI_SCL_M, SFP1); +MSCC_P(12, UART2, TWI_SCL_M, SFP2); +MSCC_P(13, UART2, TWI_SCL_M, SFP3); +MSCC_P(14, MIIM1, TWI_SCL_M, SFP4); +MSCC_P(15, MIIM1, TWI_SCL_M, SFP5); +MSCC_P(16, TWI, NONE, SI); +MSCC_P(17, TWI, TWI_SCL_M, SI); +MSCC_P(18, PTP0, TWI_SCL_M, NONE); +MSCC_P(19, PTP1, TWI_SCL_M, NONE); +MSCC_P(20, RECO_CLK0, TACHO, NONE); +MSCC_P(21, RECO_CLK1, PWM, NONE); + +#define OCELOT_PIN(n) { \ + .name = "GPIO_"#n, \ + .drv_data = &mscc_pin_##n \ +} + +static const struct mscc_pin_data ocelot_pins[] = { + OCELOT_PIN(0), + OCELOT_PIN(1), + OCELOT_PIN(2), + OCELOT_PIN(3), + OCELOT_PIN(4), + OCELOT_PIN(5), + OCELOT_PIN(6), + OCELOT_PIN(7), + OCELOT_PIN(8), + OCELOT_PIN(9), + OCELOT_PIN(10), + OCELOT_PIN(11), + OCELOT_PIN(12), + OCELOT_PIN(13), + OCELOT_PIN(14), + OCELOT_PIN(15), + OCELOT_PIN(16), + OCELOT_PIN(17), + OCELOT_PIN(18), + OCELOT_PIN(19), + OCELOT_PIN(20), + OCELOT_PIN(21), +}; + +static int ocelot_gpio_probe(struct udevice *dev) +{ + struct gpio_dev_priv *uc_priv; + + uc_priv = dev_get_uclass_priv(dev); + uc_priv->bank_name = "ocelot-gpio"; + uc_priv->gpio_count = ARRAY_SIZE(ocelot_pins); + + return 0; +} + +static struct driver ocelot_gpio_driver = { + .name = "ocelot-gpio", + .id = UCLASS_GPIO, + .probe = ocelot_gpio_probe, + .ops = &mscc_gpio_ops, +}; + +int ocelot_pinctrl_probe(struct udevice *dev) +{ + int ret; + + ret = mscc_pinctrl_probe(dev, FUNC_MAX, ocelot_pins, + ARRAY_SIZE(ocelot_pins), + ocelot_function_names); + + if (ret) + return ret; + + ret = device_bind(dev, &ocelot_gpio_driver, "ocelot-gpio", NULL, + dev_of_offset(dev), NULL); + + return ret; +} + +static const struct udevice_id ocelot_pinctrl_of_match[] = { + {.compatible = "mscc,ocelot-pinctrl"}, + {}, +}; + +U_BOOT_DRIVER(ocelot_pinctrl) = { + .name = "ocelot-pinctrl", + .id = UCLASS_PINCTRL, + .of_match = of_match_ptr(ocelot_pinctrl_of_match), + .probe = ocelot_pinctrl_probe, + .priv_auto_alloc_size = sizeof(struct mscc_pinctrl), + .ops = &mscc_pinctrl_ops, +}; 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