From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/pinctrl/pxa/pinctrl-pxa2xx.h | 88 ++++++++++++++++++++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100644 drivers/pinctrl/pxa/pinctrl-pxa2xx.h (limited to 'drivers/pinctrl/pxa/pinctrl-pxa2xx.h') diff --git a/drivers/pinctrl/pxa/pinctrl-pxa2xx.h b/drivers/pinctrl/pxa/pinctrl-pxa2xx.h new file mode 100644 index 000000000..d86d47dbb --- /dev/null +++ b/drivers/pinctrl/pxa/pinctrl-pxa2xx.h @@ -0,0 +1,88 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Marvell PXA2xx family pin control + * + * Copyright (C) 2015 Robert Jarzmik + */ + +#ifndef __PINCTRL_PXA_H +#define __PINCTRL_PXA_H + +#define PXA_FUNCTION(_dir, _af, _name) \ + { \ + .name = _name, \ + .muxval = (_dir | (_af << 1)), \ + } + +#define PXA_PIN(_pin, funcs...) \ + { \ + .pin = _pin, \ + .functions = (struct pxa_desc_function[]){ \ + funcs, { } }, \ + } + +#define PXA_GPIO_PIN(_pin, funcs...) \ + { \ + .pin = _pin, \ + .functions = (struct pxa_desc_function[]){ \ + PXA_FUNCTION(0, 0, "gpio_in"), \ + PXA_FUNCTION(1, 0, "gpio_out"), \ + funcs, { } }, \ + } + +#define PXA_GPIO_ONLY_PIN(_pin) \ + { \ + .pin = _pin, \ + .functions = (struct pxa_desc_function[]){ \ + PXA_FUNCTION(0, 0, "gpio_in"), \ + PXA_FUNCTION(1, 0, "gpio_out"), \ + { } }, \ + } + +#define PXA_PINCTRL_PIN(pin) \ + PINCTRL_PIN(pin, "P" #pin) + +struct pxa_desc_function { + const char *name; + u8 muxval; +}; + +struct pxa_desc_pin { + struct pinctrl_pin_desc pin; + struct pxa_desc_function *functions; +}; + +struct pxa_pinctrl_group { + const char *name; + unsigned pin; +}; + +struct pxa_pinctrl_function { + const char *name; + const char **groups; + unsigned ngroups; +}; + +struct pxa_pinctrl { + spinlock_t lock; + void __iomem **base_gafr; + void __iomem **base_gpdr; + void __iomem **base_pgsr; + struct device *dev; + struct pinctrl_desc desc; + struct pinctrl_dev *pctl_dev; + unsigned npins; + const struct pxa_desc_pin *ppins; + unsigned ngroups; + struct pxa_pinctrl_group *groups; + unsigned nfuncs; + struct pxa_pinctrl_function *functions; + char *name; +}; + +int pxa2xx_pinctrl_init(struct platform_device *pdev, + const struct pxa_desc_pin *ppins, int npins, + void __iomem *base_gafr[], void __iomem *base_gpdr[], + void __iomem *base_gpsr[]); + +#endif /* __PINCTRL_PXA_H */ -- cgit v1.2.3