diff options
Diffstat (limited to 'drivers/pinctrl/spear/pinctrl-spear.h')
| -rw-r--r-- | drivers/pinctrl/spear/pinctrl-spear.h | 451 |
1 files changed, 451 insertions, 0 deletions
diff --git a/drivers/pinctrl/spear/pinctrl-spear.h b/drivers/pinctrl/spear/pinctrl-spear.h new file mode 100644 index 000000000..db029b148 --- /dev/null +++ b/drivers/pinctrl/spear/pinctrl-spear.h @@ -0,0 +1,451 @@ +/* + * Driver header file for the ST Microelectronics SPEAr pinmux + * + * Copyright (C) 2012 ST Microelectronics + * Viresh Kumar <vireshk@kernel.org> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#ifndef __PINMUX_SPEAR_H__ +#define __PINMUX_SPEAR_H__ + +#include <linux/gpio/driver.h> +#include <linux/io.h> +#include <linux/pinctrl/pinctrl.h> +#include <linux/types.h> + +struct platform_device; +struct device; +struct spear_pmx; + +/** + * struct spear_pmx_mode - SPEAr pmx mode + * @name: name of pmx mode + * @mode: mode id + * @reg: register for configuring this mode + * @mask: mask of this mode in reg + * @val: val to be configured at reg after doing (val & mask) + */ +struct spear_pmx_mode { + const char *const name; + u16 mode; + u16 reg; + u16 mask; + u32 val; +}; + +/** + * struct spear_muxreg - SPEAr mux reg configuration + * @reg: register offset + * @mask: mask bits + * @val: val to be written on mask bits + */ +struct spear_muxreg { + u16 reg; + u32 mask; + u32 val; +}; + +struct spear_gpio_pingroup { + const unsigned *pins; + unsigned npins; + struct spear_muxreg *muxregs; + u8 nmuxregs; +}; + +/* ste: set to enable */ +#define DEFINE_MUXREG(__pins, __muxreg, __mask, __ste) \ +static struct spear_muxreg __pins##_muxregs[] = { \ + { \ + .reg = __muxreg, \ + .mask = __mask, \ + .val = __ste ? __mask : 0, \ + }, \ +} + +#define DEFINE_2_MUXREG(__pins, __muxreg1, __muxreg2, __mask, __ste1, __ste2) \ +static struct spear_muxreg __pins##_muxregs[] = { \ + { \ + .reg = __muxreg1, \ + .mask = __mask, \ + .val = __ste1 ? __mask : 0, \ + }, { \ + .reg = __muxreg2, \ + .mask = __mask, \ + .val = __ste2 ? __mask : 0, \ + }, \ +} + +#define GPIO_PINGROUP(__pins) \ + { \ + .pins = __pins, \ + .npins = ARRAY_SIZE(__pins), \ + .muxregs = __pins##_muxregs, \ + .nmuxregs = ARRAY_SIZE(__pins##_muxregs), \ + } + +/** + * struct spear_modemux - SPEAr mode mux configuration + * @modes: mode ids supported by this group of muxregs + * @nmuxregs: number of muxreg configurations to be done for modes + * @muxregs: array of muxreg configurations to be done for modes + */ +struct spear_modemux { + u16 modes; + u8 nmuxregs; + struct spear_muxreg *muxregs; +}; + +/** + * struct spear_pingroup - SPEAr pin group configurations + * @name: name of pin group + * @pins: array containing pin numbers + * @npins: size of pins array + * @modemuxs: array of modemux configurations for this pin group + * @nmodemuxs: size of array modemuxs + * + * A representation of a group of pins in the SPEAr pin controller. Each group + * allows some parameter or parameters to be configured. + */ +struct spear_pingroup { + const char *name; + const unsigned *pins; + unsigned npins; + struct spear_modemux *modemuxs; + unsigned nmodemuxs; +}; + +/** + * struct spear_function - SPEAr pinctrl mux function + * @name: The name of the function, exported to pinctrl core. + * @groups: An array of pin groups that may select this function. + * @ngroups: The number of entries in @groups. + */ +struct spear_function { + const char *name; + const char *const *groups; + unsigned ngroups; +}; + +/** + * struct spear_pinctrl_machdata - SPEAr pin controller machine driver + * configuration + * @pins: An array describing all pins the pin controller affects. + * All pins which are also GPIOs must be listed first within the *array, + * and be numbered identically to the GPIO controller's *numbering. + * @npins: The numbmer of entries in @pins. + * @functions: An array describing all mux functions the SoC supports. + * @nfunctions: The numbmer of entries in @functions. + * @groups: An array describing all pin groups the pin SoC supports. + * @ngroups: The numbmer of entries in @groups. + * @gpio_pingroups: gpio pingroups + * @ngpio_pingroups: gpio pingroups count + * + * @modes_supported: Does SoC support modes + * @mode: mode configured from probe + * @pmx_modes: array of modes supported by SoC + * @npmx_modes: number of entries in pmx_modes. + */ +struct spear_pinctrl_machdata { + const struct pinctrl_pin_desc *pins; + unsigned npins; + struct spear_function **functions; + unsigned nfunctions; + struct spear_pingroup **groups; + unsigned ngroups; + struct spear_gpio_pingroup *gpio_pingroups; + void (*gpio_request_endisable)(struct spear_pmx *pmx, int offset, + bool enable); + unsigned ngpio_pingroups; + + bool modes_supported; + u16 mode; + struct spear_pmx_mode **pmx_modes; + unsigned npmx_modes; +}; + +/** + * struct spear_pmx - SPEAr pinctrl mux + * @dev: pointer to struct dev of platform_device registered + * @pctl: pointer to struct pinctrl_dev + * @machdata: pointer to SoC or machine specific structure + * @vbase: virtual base address of pinmux controller + */ +struct spear_pmx { + struct device *dev; + struct pinctrl_dev *pctl; + struct spear_pinctrl_machdata *machdata; + void __iomem *vbase; +}; + +/* exported routines */ +static inline u32 pmx_readl(struct spear_pmx *pmx, u32 reg) +{ + return readl_relaxed(pmx->vbase + reg); +} + +static inline void pmx_writel(struct spear_pmx *pmx, u32 val, u32 reg) +{ + writel_relaxed(val, pmx->vbase + reg); +} + +void pmx_init_addr(struct spear_pinctrl_machdata *machdata, u16 reg); +void pmx_init_gpio_pingroup_addr(struct spear_gpio_pingroup *gpio_pingroup, + unsigned count, u16 reg); +int spear_pinctrl_probe(struct platform_device *pdev, + struct spear_pinctrl_machdata *machdata); + +#define SPEAR_PIN_0_TO_101 \ + PINCTRL_PIN(0, "PLGPIO0"), \ + PINCTRL_PIN(1, "PLGPIO1"), \ + PINCTRL_PIN(2, "PLGPIO2"), \ + PINCTRL_PIN(3, "PLGPIO3"), \ + PINCTRL_PIN(4, "PLGPIO4"), \ + PINCTRL_PIN(5, "PLGPIO5"), \ + PINCTRL_PIN(6, "PLGPIO6"), \ + PINCTRL_PIN(7, "PLGPIO7"), \ + PINCTRL_PIN(8, "PLGPIO8"), \ + PINCTRL_PIN(9, "PLGPIO9"), \ + PINCTRL_PIN(10, "PLGPIO10"), \ + PINCTRL_PIN(11, "PLGPIO11"), \ + PINCTRL_PIN(12, "PLGPIO12"), \ + PINCTRL_PIN(13, "PLGPIO13"), \ + PINCTRL_PIN(14, "PLGPIO14"), \ + PINCTRL_PIN(15, "PLGPIO15"), \ + PINCTRL_PIN(16, "PLGPIO16"), \ + PINCTRL_PIN(17, "PLGPIO17"), \ + PINCTRL_PIN(18, "PLGPIO18"), \ + PINCTRL_PIN(19, "PLGPIO19"), \ + PINCTRL_PIN(20, "PLGPIO20"), \ + PINCTRL_PIN(21, "PLGPIO21"), \ + PINCTRL_PIN(22, "PLGPIO22"), \ + PINCTRL_PIN(23, "PLGPIO23"), \ + PINCTRL_PIN(24, "PLGPIO24"), \ + PINCTRL_PIN(25, "PLGPIO25"), \ + PINCTRL_PIN(26, "PLGPIO26"), \ + PINCTRL_PIN(27, "PLGPIO27"), \ + PINCTRL_PIN(28, "PLGPIO28"), \ + PINCTRL_PIN(29, "PLGPIO29"), \ + PINCTRL_PIN(30, "PLGPIO30"), \ + PINCTRL_PIN(31, "PLGPIO31"), \ + PINCTRL_PIN(32, "PLGPIO32"), \ + PINCTRL_PIN(33, "PLGPIO33"), \ + PINCTRL_PIN(34, "PLGPIO34"), \ + PINCTRL_PIN(35, "PLGPIO35"), \ + PINCTRL_PIN(36, "PLGPIO36"), \ + PINCTRL_PIN(37, "PLGPIO37"), \ + PINCTRL_PIN(38, "PLGPIO38"), \ + PINCTRL_PIN(39, "PLGPIO39"), \ + PINCTRL_PIN(40, "PLGPIO40"), \ + PINCTRL_PIN(41, "PLGPIO41"), \ + PINCTRL_PIN(42, "PLGPIO42"), \ + PINCTRL_PIN(43, "PLGPIO43"), \ + PINCTRL_PIN(44, "PLGPIO44"), \ + PINCTRL_PIN(45, "PLGPIO45"), \ + PINCTRL_PIN(46, "PLGPIO46"), \ + PINCTRL_PIN(47, "PLGPIO47"), \ + PINCTRL_PIN(48, "PLGPIO48"), \ + PINCTRL_PIN(49, "PLGPIO49"), \ + PINCTRL_PIN(50, "PLGPIO50"), \ + PINCTRL_PIN(51, "PLGPIO51"), \ + PINCTRL_PIN(52, "PLGPIO52"), \ + PINCTRL_PIN(53, "PLGPIO53"), \ + PINCTRL_PIN(54, "PLGPIO54"), \ + PINCTRL_PIN(55, "PLGPIO55"), \ + PINCTRL_PIN(56, "PLGPIO56"), \ + PINCTRL_PIN(57, "PLGPIO57"), \ + PINCTRL_PIN(58, "PLGPIO58"), \ + PINCTRL_PIN(59, "PLGPIO59"), \ + PINCTRL_PIN(60, "PLGPIO60"), \ + PINCTRL_PIN(61, "PLGPIO61"), \ + PINCTRL_PIN(62, "PLGPIO62"), \ + PINCTRL_PIN(63, "PLGPIO63"), \ + PINCTRL_PIN(64, "PLGPIO64"), \ + PINCTRL_PIN(65, "PLGPIO65"), \ + PINCTRL_PIN(66, "PLGPIO66"), \ + PINCTRL_PIN(67, "PLGPIO67"), \ + PINCTRL_PIN(68, "PLGPIO68"), \ + PINCTRL_PIN(69, "PLGPIO69"), \ + PINCTRL_PIN(70, "PLGPIO70"), \ + PINCTRL_PIN(71, "PLGPIO71"), \ + PINCTRL_PIN(72, "PLGPIO72"), \ + PINCTRL_PIN(73, "PLGPIO73"), \ + PINCTRL_PIN(74, "PLGPIO74"), \ + PINCTRL_PIN(75, "PLGPIO75"), \ + PINCTRL_PIN(76, "PLGPIO76"), \ + PINCTRL_PIN(77, "PLGPIO77"), \ + PINCTRL_PIN(78, "PLGPIO78"), \ + PINCTRL_PIN(79, "PLGPIO79"), \ + PINCTRL_PIN(80, "PLGPIO80"), \ + PINCTRL_PIN(81, "PLGPIO81"), \ + PINCTRL_PIN(82, "PLGPIO82"), \ + PINCTRL_PIN(83, "PLGPIO83"), \ + PINCTRL_PIN(84, "PLGPIO84"), \ + PINCTRL_PIN(85, "PLGPIO85"), \ + PINCTRL_PIN(86, "PLGPIO86"), \ + PINCTRL_PIN(87, "PLGPIO87"), \ + PINCTRL_PIN(88, "PLGPIO88"), \ + PINCTRL_PIN(89, "PLGPIO89"), \ + PINCTRL_PIN(90, "PLGPIO90"), \ + PINCTRL_PIN(91, "PLGPIO91"), \ + PINCTRL_PIN(92, "PLGPIO92"), \ + PINCTRL_PIN(93, "PLGPIO93"), \ + PINCTRL_PIN(94, "PLGPIO94"), \ + PINCTRL_PIN(95, "PLGPIO95"), \ + PINCTRL_PIN(96, "PLGPIO96"), \ + PINCTRL_PIN(97, "PLGPIO97"), \ + PINCTRL_PIN(98, "PLGPIO98"), \ + PINCTRL_PIN(99, "PLGPIO99"), \ + PINCTRL_PIN(100, "PLGPIO100"), \ + PINCTRL_PIN(101, "PLGPIO101") + +#define SPEAR_PIN_102_TO_245 \ + PINCTRL_PIN(102, "PLGPIO102"), \ + PINCTRL_PIN(103, "PLGPIO103"), \ + PINCTRL_PIN(104, "PLGPIO104"), \ + PINCTRL_PIN(105, "PLGPIO105"), \ + PINCTRL_PIN(106, "PLGPIO106"), \ + PINCTRL_PIN(107, "PLGPIO107"), \ + PINCTRL_PIN(108, "PLGPIO108"), \ + PINCTRL_PIN(109, "PLGPIO109"), \ + PINCTRL_PIN(110, "PLGPIO110"), \ + PINCTRL_PIN(111, "PLGPIO111"), \ + PINCTRL_PIN(112, "PLGPIO112"), \ + PINCTRL_PIN(113, "PLGPIO113"), \ + PINCTRL_PIN(114, "PLGPIO114"), \ + PINCTRL_PIN(115, "PLGPIO115"), \ + PINCTRL_PIN(116, "PLGPIO116"), \ + PINCTRL_PIN(117, "PLGPIO117"), \ + PINCTRL_PIN(118, "PLGPIO118"), \ + PINCTRL_PIN(119, "PLGPIO119"), \ + PINCTRL_PIN(120, "PLGPIO120"), \ + PINCTRL_PIN(121, "PLGPIO121"), \ + PINCTRL_PIN(122, "PLGPIO122"), \ + PINCTRL_PIN(123, "PLGPIO123"), \ + PINCTRL_PIN(124, "PLGPIO124"), \ + PINCTRL_PIN(125, "PLGPIO125"), \ + PINCTRL_PIN(126, "PLGPIO126"), \ + PINCTRL_PIN(127, "PLGPIO127"), \ + PINCTRL_PIN(128, "PLGPIO128"), \ + PINCTRL_PIN(129, "PLGPIO129"), \ + PINCTRL_PIN(130, "PLGPIO130"), \ + PINCTRL_PIN(131, "PLGPIO131"), \ + PINCTRL_PIN(132, "PLGPIO132"), \ + PINCTRL_PIN(133, "PLGPIO133"), \ + PINCTRL_PIN(134, "PLGPIO134"), \ + PINCTRL_PIN(135, "PLGPIO135"), \ + PINCTRL_PIN(136, "PLGPIO136"), \ + PINCTRL_PIN(137, "PLGPIO137"), \ + PINCTRL_PIN(138, "PLGPIO138"), \ + PINCTRL_PIN(139, "PLGPIO139"), \ + PINCTRL_PIN(140, "PLGPIO140"), \ + PINCTRL_PIN(141, "PLGPIO141"), \ + PINCTRL_PIN(142, "PLGPIO142"), \ + PINCTRL_PIN(143, "PLGPIO143"), \ + PINCTRL_PIN(144, "PLGPIO144"), \ + PINCTRL_PIN(145, "PLGPIO145"), \ + PINCTRL_PIN(146, "PLGPIO146"), \ + PINCTRL_PIN(147, "PLGPIO147"), \ + PINCTRL_PIN(148, "PLGPIO148"), \ + PINCTRL_PIN(149, "PLGPIO149"), \ + PINCTRL_PIN(150, "PLGPIO150"), \ + PINCTRL_PIN(151, "PLGPIO151"), \ + PINCTRL_PIN(152, "PLGPIO152"), \ + PINCTRL_PIN(153, "PLGPIO153"), \ + PINCTRL_PIN(154, "PLGPIO154"), \ + PINCTRL_PIN(155, "PLGPIO155"), \ + PINCTRL_PIN(156, "PLGPIO156"), \ + PINCTRL_PIN(157, "PLGPIO157"), \ + PINCTRL_PIN(158, "PLGPIO158"), \ + PINCTRL_PIN(159, "PLGPIO159"), \ + PINCTRL_PIN(160, "PLGPIO160"), \ + PINCTRL_PIN(161, "PLGPIO161"), \ + PINCTRL_PIN(162, "PLGPIO162"), \ + PINCTRL_PIN(163, "PLGPIO163"), \ + PINCTRL_PIN(164, "PLGPIO164"), \ + PINCTRL_PIN(165, "PLGPIO165"), \ + PINCTRL_PIN(166, "PLGPIO166"), \ + PINCTRL_PIN(167, "PLGPIO167"), \ + PINCTRL_PIN(168, "PLGPIO168"), \ + PINCTRL_PIN(169, "PLGPIO169"), \ + PINCTRL_PIN(170, "PLGPIO170"), \ + PINCTRL_PIN(171, "PLGPIO171"), \ + PINCTRL_PIN(172, "PLGPIO172"), \ + PINCTRL_PIN(173, "PLGPIO173"), \ + PINCTRL_PIN(174, "PLGPIO174"), \ + PINCTRL_PIN(175, "PLGPIO175"), \ + PINCTRL_PIN(176, "PLGPIO176"), \ + PINCTRL_PIN(177, "PLGPIO177"), \ + PINCTRL_PIN(178, "PLGPIO178"), \ + PINCTRL_PIN(179, "PLGPIO179"), \ + PINCTRL_PIN(180, "PLGPIO180"), \ + PINCTRL_PIN(181, "PLGPIO181"), \ + PINCTRL_PIN(182, "PLGPIO182"), \ + PINCTRL_PIN(183, "PLGPIO183"), \ + PINCTRL_PIN(184, "PLGPIO184"), \ + PINCTRL_PIN(185, "PLGPIO185"), \ + PINCTRL_PIN(186, "PLGPIO186"), \ + PINCTRL_PIN(187, "PLGPIO187"), \ + PINCTRL_PIN(188, "PLGPIO188"), \ + PINCTRL_PIN(189, "PLGPIO189"), \ + PINCTRL_PIN(190, "PLGPIO190"), \ + PINCTRL_PIN(191, "PLGPIO191"), \ + PINCTRL_PIN(192, "PLGPIO192"), \ + PINCTRL_PIN(193, "PLGPIO193"), \ + PINCTRL_PIN(194, "PLGPIO194"), \ + PINCTRL_PIN(195, "PLGPIO195"), \ + PINCTRL_PIN(196, "PLGPIO196"), \ + PINCTRL_PIN(197, "PLGPIO197"), \ + PINCTRL_PIN(198, "PLGPIO198"), \ + PINCTRL_PIN(199, "PLGPIO199"), \ + PINCTRL_PIN(200, "PLGPIO200"), \ + PINCTRL_PIN(201, "PLGPIO201"), \ + PINCTRL_PIN(202, "PLGPIO202"), \ + PINCTRL_PIN(203, "PLGPIO203"), \ + PINCTRL_PIN(204, "PLGPIO204"), \ + PINCTRL_PIN(205, "PLGPIO205"), \ + PINCTRL_PIN(206, "PLGPIO206"), \ + PINCTRL_PIN(207, "PLGPIO207"), \ + PINCTRL_PIN(208, "PLGPIO208"), \ + PINCTRL_PIN(209, "PLGPIO209"), \ + PINCTRL_PIN(210, "PLGPIO210"), \ + PINCTRL_PIN(211, "PLGPIO211"), \ + PINCTRL_PIN(212, "PLGPIO212"), \ + PINCTRL_PIN(213, "PLGPIO213"), \ + PINCTRL_PIN(214, "PLGPIO214"), \ + PINCTRL_PIN(215, "PLGPIO215"), \ + PINCTRL_PIN(216, "PLGPIO216"), \ + PINCTRL_PIN(217, "PLGPIO217"), \ + PINCTRL_PIN(218, "PLGPIO218"), \ + PINCTRL_PIN(219, "PLGPIO219"), \ + PINCTRL_PIN(220, "PLGPIO220"), \ + PINCTRL_PIN(221, "PLGPIO221"), \ + PINCTRL_PIN(222, "PLGPIO222"), \ + PINCTRL_PIN(223, "PLGPIO223"), \ + PINCTRL_PIN(224, "PLGPIO224"), \ + PINCTRL_PIN(225, "PLGPIO225"), \ + PINCTRL_PIN(226, "PLGPIO226"), \ + PINCTRL_PIN(227, "PLGPIO227"), \ + PINCTRL_PIN(228, "PLGPIO228"), \ + PINCTRL_PIN(229, "PLGPIO229"), \ + PINCTRL_PIN(230, "PLGPIO230"), \ + PINCTRL_PIN(231, "PLGPIO231"), \ + PINCTRL_PIN(232, "PLGPIO232"), \ + PINCTRL_PIN(233, "PLGPIO233"), \ + PINCTRL_PIN(234, "PLGPIO234"), \ + PINCTRL_PIN(235, "PLGPIO235"), \ + PINCTRL_PIN(236, "PLGPIO236"), \ + PINCTRL_PIN(237, "PLGPIO237"), \ + PINCTRL_PIN(238, "PLGPIO238"), \ + PINCTRL_PIN(239, "PLGPIO239"), \ + PINCTRL_PIN(240, "PLGPIO240"), \ + PINCTRL_PIN(241, "PLGPIO241"), \ + PINCTRL_PIN(242, "PLGPIO242"), \ + PINCTRL_PIN(243, "PLGPIO243"), \ + PINCTRL_PIN(244, "PLGPIO244"), \ + PINCTRL_PIN(245, "PLGPIO245") + +#endif /* __PINMUX_SPEAR_H__ */ |