| /* |
| * 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.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__ */ |