From 7cacd755594ea9347fb83dcb23d2f44c371747dd Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Tue, 23 Apr 2013 14:24:19 +0200 Subject: [PATCH] sh-pfc: sh7372: Add bias (pull-up/down) pinconf support Signed-off-by: Laurent Pinchart Signed-off-by: Simon Horman --- drivers/pinctrl/sh-pfc/pfc-sh7372.c | 341 +++++++++++++++++----------- 1 file changed, 211 insertions(+), 130 deletions(-) diff --git a/drivers/pinctrl/sh-pfc/pfc-sh7372.c b/drivers/pinctrl/sh-pfc/pfc-sh7372.c index 94960670ef6..6dfb1877257 100644 --- a/drivers/pinctrl/sh-pfc/pfc-sh7372.c +++ b/drivers/pinctrl/sh-pfc/pfc-sh7372.c @@ -20,10 +20,14 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ +#include #include +#include + #include #include +#include "core.h" #include "sh_pfc.h" #define CPU_ALL_PORT(fn, pfx, sfx) \ @@ -76,16 +80,6 @@ enum { PORT_ALL(IN), PINMUX_INPUT_END, - /* PORT0_IN_PU -> PORT190_IN_PU */ - PINMUX_INPUT_PULLUP_BEGIN, - PORT_ALL(IN_PU), - PINMUX_INPUT_PULLUP_END, - - /* PORT0_IN_PD -> PORT190_IN_PD */ - PINMUX_INPUT_PULLDOWN_BEGIN, - PORT_ALL(IN_PD), - PINMUX_INPUT_PULLDOWN_END, - /* PORT0_OUT -> PORT190_OUT */ PINMUX_OUTPUT_BEGIN, PORT_ALL(OUT), @@ -397,124 +391,11 @@ enum { PINMUX_MARK_END, }; -static const pinmux_enum_t pinmux_data[] = { +#define _PORT_DATA(pfx, sfx) PORT_DATA_IO(pfx) +#define PINMUX_DATA_GP_ALL() CPU_ALL_PORT(_PORT_DATA, , unused) - /* specify valid pin states for each pin in GPIO mode */ - PORT_DATA_IO_PD(0), PORT_DATA_IO_PD(1), - PORT_DATA_O(2), PORT_DATA_I_PD(3), - PORT_DATA_I_PD(4), PORT_DATA_I_PD(5), - PORT_DATA_IO_PU_PD(6), PORT_DATA_I_PD(7), - PORT_DATA_IO_PD(8), PORT_DATA_O(9), - - PORT_DATA_O(10), PORT_DATA_O(11), - PORT_DATA_IO_PU_PD(12), PORT_DATA_IO_PD(13), - PORT_DATA_IO_PD(14), PORT_DATA_O(15), - PORT_DATA_IO_PD(16), PORT_DATA_IO_PD(17), - PORT_DATA_I_PD(18), PORT_DATA_IO(19), - - PORT_DATA_IO(20), PORT_DATA_IO(21), - PORT_DATA_IO(22), PORT_DATA_IO(23), - PORT_DATA_IO(24), PORT_DATA_IO(25), - PORT_DATA_IO(26), PORT_DATA_IO(27), - PORT_DATA_IO(28), PORT_DATA_IO(29), - - PORT_DATA_IO(30), PORT_DATA_IO(31), - PORT_DATA_IO(32), PORT_DATA_IO(33), - PORT_DATA_IO(34), PORT_DATA_IO(35), - PORT_DATA_IO(36), PORT_DATA_IO(37), - PORT_DATA_IO(38), PORT_DATA_IO(39), - - PORT_DATA_IO(40), PORT_DATA_IO(41), - PORT_DATA_IO(42), PORT_DATA_IO(43), - PORT_DATA_IO(44), PORT_DATA_IO(45), - PORT_DATA_IO_PU(46), PORT_DATA_IO_PU(47), - PORT_DATA_IO_PU(48), PORT_DATA_IO_PU(49), - - PORT_DATA_IO_PU(50), PORT_DATA_IO_PU(51), - PORT_DATA_IO_PU(52), PORT_DATA_IO_PU(53), - PORT_DATA_IO_PU(54), PORT_DATA_IO_PU(55), - PORT_DATA_IO_PU(56), PORT_DATA_IO_PU(57), - PORT_DATA_IO_PU(58), PORT_DATA_IO_PU(59), - - PORT_DATA_IO_PU(60), PORT_DATA_IO_PU(61), - PORT_DATA_IO(62), PORT_DATA_O(63), - PORT_DATA_O(64), PORT_DATA_IO_PU(65), - PORT_DATA_O(66), PORT_DATA_IO_PU(67), /*66?*/ - PORT_DATA_O(68), PORT_DATA_IO(69), - - PORT_DATA_IO(70), PORT_DATA_IO(71), - PORT_DATA_O(72), PORT_DATA_I_PU(73), - PORT_DATA_I_PU_PD(74), PORT_DATA_IO_PU_PD(75), - PORT_DATA_IO_PU_PD(76), PORT_DATA_IO_PU_PD(77), - PORT_DATA_IO_PU_PD(78), PORT_DATA_IO_PU_PD(79), - - PORT_DATA_IO_PU_PD(80), PORT_DATA_IO_PU_PD(81), - PORT_DATA_IO_PU_PD(82), PORT_DATA_IO_PU_PD(83), - PORT_DATA_IO_PU_PD(84), PORT_DATA_IO_PU_PD(85), - PORT_DATA_IO_PU_PD(86), PORT_DATA_IO_PU_PD(87), - PORT_DATA_IO_PU_PD(88), PORT_DATA_IO_PU_PD(89), - - PORT_DATA_IO_PU_PD(90), PORT_DATA_IO_PU_PD(91), - PORT_DATA_IO_PU_PD(92), PORT_DATA_IO_PU_PD(93), - PORT_DATA_IO_PU_PD(94), PORT_DATA_IO_PU_PD(95), - PORT_DATA_IO_PU(96), PORT_DATA_IO_PU_PD(97), - PORT_DATA_IO_PU_PD(98), PORT_DATA_O(99), /*99?*/ - - PORT_DATA_IO_PD(100), PORT_DATA_IO_PD(101), - PORT_DATA_IO_PD(102), PORT_DATA_IO_PD(103), - PORT_DATA_IO_PD(104), PORT_DATA_IO_PD(105), - PORT_DATA_IO_PU(106), PORT_DATA_IO_PU(107), - PORT_DATA_IO_PU(108), PORT_DATA_IO_PU(109), - - PORT_DATA_IO_PU(110), PORT_DATA_IO_PU(111), - PORT_DATA_IO_PD(112), PORT_DATA_IO_PD(113), - PORT_DATA_IO_PU(114), PORT_DATA_IO_PU(115), - PORT_DATA_IO_PU(116), PORT_DATA_IO_PU(117), - PORT_DATA_IO_PU(118), PORT_DATA_IO_PU(119), - - PORT_DATA_IO_PU(120), PORT_DATA_IO_PD(121), - PORT_DATA_IO_PD(122), PORT_DATA_IO_PD(123), - PORT_DATA_IO_PD(124), PORT_DATA_IO_PD(125), - PORT_DATA_IO_PD(126), PORT_DATA_IO_PD(127), - PORT_DATA_IO_PD(128), PORT_DATA_IO_PU_PD(129), - - PORT_DATA_IO_PU_PD(130), PORT_DATA_IO_PU_PD(131), - PORT_DATA_IO_PU_PD(132), PORT_DATA_IO_PU_PD(133), - PORT_DATA_IO_PU_PD(134), PORT_DATA_IO_PU_PD(135), - PORT_DATA_IO_PD(136), PORT_DATA_IO_PD(137), - PORT_DATA_IO_PD(138), PORT_DATA_IO_PD(139), - - PORT_DATA_IO_PD(140), PORT_DATA_IO_PD(141), - PORT_DATA_IO_PD(142), PORT_DATA_IO_PU_PD(143), - PORT_DATA_IO_PD(144), PORT_DATA_IO_PD(145), - PORT_DATA_IO_PD(146), PORT_DATA_IO_PD(147), - PORT_DATA_IO_PD(148), PORT_DATA_IO_PD(149), - - PORT_DATA_IO_PD(150), PORT_DATA_IO_PD(151), - PORT_DATA_IO_PU_PD(152), PORT_DATA_I_PD(153), - PORT_DATA_IO_PU_PD(154), PORT_DATA_I_PD(155), - PORT_DATA_IO_PD(156), PORT_DATA_IO_PD(157), - PORT_DATA_I_PD(158), PORT_DATA_IO_PD(159), - - PORT_DATA_O(160), PORT_DATA_IO_PD(161), - PORT_DATA_IO_PD(162), PORT_DATA_IO_PD(163), - PORT_DATA_I_PD(164), PORT_DATA_IO_PD(165), - PORT_DATA_I_PD(166), PORT_DATA_I_PD(167), - PORT_DATA_I_PD(168), PORT_DATA_I_PD(169), - - PORT_DATA_I_PD(170), PORT_DATA_O(171), - PORT_DATA_IO_PU_PD(172), PORT_DATA_IO_PU_PD(173), - PORT_DATA_IO_PU_PD(174), PORT_DATA_IO_PU_PD(175), - PORT_DATA_IO_PU_PD(176), PORT_DATA_IO_PU_PD(177), - PORT_DATA_IO_PU_PD(178), PORT_DATA_O(179), - - PORT_DATA_IO_PU_PD(180), PORT_DATA_IO_PU_PD(181), - PORT_DATA_IO_PU_PD(182), PORT_DATA_IO_PU_PD(183), - PORT_DATA_IO_PU_PD(184), PORT_DATA_O(185), - PORT_DATA_IO_PU_PD(186), PORT_DATA_IO_PU_PD(187), - PORT_DATA_IO_PU_PD(188), PORT_DATA_IO_PU_PD(189), - - PORT_DATA_IO_PU_PD(190), +static const pinmux_enum_t pinmux_data[] = { + PINMUX_DATA_GP_ALL(), /* IRQ */ PINMUX_DATA(IRQ0_6_MARK, PORT6_FN0, MSEL1CR_0_0), @@ -958,8 +839,128 @@ static const pinmux_enum_t pinmux_data[] = { PINMUX_DATA(MFIv4_MARK, MSEL4CR_6_1), }; +#define SH7372_PIN(pin, cfgs) \ + { \ + .name = __stringify(PORT##pin), \ + .enum_id = PORT##pin##_DATA, \ + .configs = cfgs, \ + } + +#define __I (SH_PFC_PIN_CFG_INPUT) +#define __O (SH_PFC_PIN_CFG_OUTPUT) +#define __IO (SH_PFC_PIN_CFG_INPUT | SH_PFC_PIN_CFG_OUTPUT) +#define __PD (SH_PFC_PIN_CFG_PULL_DOWN) +#define __PU (SH_PFC_PIN_CFG_PULL_UP) +#define __PUD (SH_PFC_PIN_CFG_PULL_DOWN | SH_PFC_PIN_CFG_PULL_UP) + +#define SH7372_PIN_I_PD(pin) SH7372_PIN(pin, __I | __PD) +#define SH7372_PIN_I_PU(pin) SH7372_PIN(pin, __I | __PU) +#define SH7372_PIN_I_PU_PD(pin) SH7372_PIN(pin, __I | __PUD) +#define SH7372_PIN_IO(pin) SH7372_PIN(pin, __IO) +#define SH7372_PIN_IO_PD(pin) SH7372_PIN(pin, __IO | __PD) +#define SH7372_PIN_IO_PU(pin) SH7372_PIN(pin, __IO | __PU) +#define SH7372_PIN_IO_PU_PD(pin) SH7372_PIN(pin, __IO | __PUD) +#define SH7372_PIN_O(pin) SH7372_PIN(pin, __O) +#define SH7372_PIN_O_PU_PD(pin) SH7372_PIN(pin, __O | __PUD) + static struct sh_pfc_pin pinmux_pins[] = { - GPIO_PORT_ALL(), + /* Table 57-1 (I/O and Pull U/D) */ + SH7372_PIN_IO_PD(0), SH7372_PIN_IO_PD(1), + SH7372_PIN_O(2), SH7372_PIN_I_PD(3), + SH7372_PIN_I_PD(4), SH7372_PIN_I_PD(5), + SH7372_PIN_IO_PU_PD(6), SH7372_PIN_I_PD(7), + SH7372_PIN_IO_PD(8), SH7372_PIN_O(9), + SH7372_PIN_O(10), SH7372_PIN_O(11), + SH7372_PIN_IO_PU_PD(12), SH7372_PIN_IO_PD(13), + SH7372_PIN_IO_PD(14), SH7372_PIN_O(15), + SH7372_PIN_IO_PD(16), SH7372_PIN_IO_PD(17), + SH7372_PIN_I_PD(18), SH7372_PIN_IO(19), + SH7372_PIN_IO(20), SH7372_PIN_IO(21), + SH7372_PIN_IO(22), SH7372_PIN_IO(23), + SH7372_PIN_IO(24), SH7372_PIN_IO(25), + SH7372_PIN_IO(26), SH7372_PIN_IO(27), + SH7372_PIN_IO(28), SH7372_PIN_IO(29), + SH7372_PIN_IO(30), SH7372_PIN_IO(31), + SH7372_PIN_IO(32), SH7372_PIN_IO(33), + SH7372_PIN_IO(34), SH7372_PIN_IO(35), + SH7372_PIN_IO(36), SH7372_PIN_IO(37), + SH7372_PIN_IO(38), SH7372_PIN_IO(39), + SH7372_PIN_IO(40), SH7372_PIN_IO(41), + SH7372_PIN_IO(42), SH7372_PIN_IO(43), + SH7372_PIN_IO(44), SH7372_PIN_IO(45), + SH7372_PIN_IO_PU(46), SH7372_PIN_IO_PU(47), + SH7372_PIN_IO_PU(48), SH7372_PIN_IO_PU(49), + SH7372_PIN_IO_PU(50), SH7372_PIN_IO_PU(51), + SH7372_PIN_IO_PU(52), SH7372_PIN_IO_PU(53), + SH7372_PIN_IO_PU(54), SH7372_PIN_IO_PU(55), + SH7372_PIN_IO_PU(56), SH7372_PIN_IO_PU(57), + SH7372_PIN_IO_PU(58), SH7372_PIN_IO_PU(59), + SH7372_PIN_IO_PU(60), SH7372_PIN_IO_PU(61), + SH7372_PIN_IO(62), SH7372_PIN_O(63), + SH7372_PIN_O(64), SH7372_PIN_IO_PU(65), + SH7372_PIN_O_PU_PD(66), SH7372_PIN_IO_PU(67), + SH7372_PIN_O(68), SH7372_PIN_IO(69), + SH7372_PIN_IO(70), SH7372_PIN_IO(71), + SH7372_PIN_O(72), SH7372_PIN_I_PU(73), + SH7372_PIN_I_PU_PD(74), SH7372_PIN_IO_PU_PD(75), + SH7372_PIN_IO_PU_PD(76), SH7372_PIN_IO_PU_PD(77), + SH7372_PIN_IO_PU_PD(78), SH7372_PIN_IO_PU_PD(79), + SH7372_PIN_IO_PU_PD(80), SH7372_PIN_IO_PU_PD(81), + SH7372_PIN_IO_PU_PD(82), SH7372_PIN_IO_PU_PD(83), + SH7372_PIN_IO_PU_PD(84), SH7372_PIN_IO_PU_PD(85), + SH7372_PIN_IO_PU_PD(86), SH7372_PIN_IO_PU_PD(87), + SH7372_PIN_IO_PU_PD(88), SH7372_PIN_IO_PU_PD(89), + SH7372_PIN_IO_PU_PD(90), SH7372_PIN_IO_PU_PD(91), + SH7372_PIN_IO_PU_PD(92), SH7372_PIN_IO_PU_PD(93), + SH7372_PIN_IO_PU_PD(94), SH7372_PIN_IO_PU_PD(95), + SH7372_PIN_IO_PU(96), SH7372_PIN_IO_PU_PD(97), + SH7372_PIN_IO_PU_PD(98), SH7372_PIN_O_PU_PD(99), + SH7372_PIN_IO_PD(100), SH7372_PIN_IO_PD(101), + SH7372_PIN_IO_PD(102), SH7372_PIN_IO_PD(103), + SH7372_PIN_IO_PD(104), SH7372_PIN_IO_PD(105), + SH7372_PIN_IO_PU(106), SH7372_PIN_IO_PU(107), + SH7372_PIN_IO_PU(108), SH7372_PIN_IO_PU(109), + SH7372_PIN_IO_PU(110), SH7372_PIN_IO_PU(111), + SH7372_PIN_IO_PD(112), SH7372_PIN_IO_PD(113), + SH7372_PIN_IO_PU(114), SH7372_PIN_IO_PU(115), + SH7372_PIN_IO_PU(116), SH7372_PIN_IO_PU(117), + SH7372_PIN_IO_PU(118), SH7372_PIN_IO_PU(119), + SH7372_PIN_IO_PU(120), SH7372_PIN_IO_PD(121), + SH7372_PIN_IO_PD(122), SH7372_PIN_IO_PD(123), + SH7372_PIN_IO_PD(124), SH7372_PIN_IO_PD(125), + SH7372_PIN_IO_PD(126), SH7372_PIN_IO_PD(127), + SH7372_PIN_IO_PD(128), SH7372_PIN_IO_PU_PD(129), + SH7372_PIN_IO_PU_PD(130), SH7372_PIN_IO_PU_PD(131), + SH7372_PIN_IO_PU_PD(132), SH7372_PIN_IO_PU_PD(133), + SH7372_PIN_IO_PU_PD(134), SH7372_PIN_IO_PU_PD(135), + SH7372_PIN_IO_PD(136), SH7372_PIN_IO_PD(137), + SH7372_PIN_IO_PD(138), SH7372_PIN_IO_PD(139), + SH7372_PIN_IO_PD(140), SH7372_PIN_IO_PD(141), + SH7372_PIN_IO_PD(142), SH7372_PIN_IO_PU_PD(143), + SH7372_PIN_IO_PD(144), SH7372_PIN_IO_PD(145), + SH7372_PIN_IO_PD(146), SH7372_PIN_IO_PD(147), + SH7372_PIN_IO_PD(148), SH7372_PIN_IO_PD(149), + SH7372_PIN_IO_PD(150), SH7372_PIN_IO_PD(151), + SH7372_PIN_IO_PU_PD(152), SH7372_PIN_I_PD(153), + SH7372_PIN_IO_PU_PD(154), SH7372_PIN_I_PD(155), + SH7372_PIN_IO_PD(156), SH7372_PIN_IO_PD(157), + SH7372_PIN_I_PD(158), SH7372_PIN_IO_PD(159), + SH7372_PIN_O(160), SH7372_PIN_IO_PD(161), + SH7372_PIN_IO_PD(162), SH7372_PIN_IO_PD(163), + SH7372_PIN_I_PD(164), SH7372_PIN_IO_PD(165), + SH7372_PIN_I_PD(166), SH7372_PIN_I_PD(167), + SH7372_PIN_I_PD(168), SH7372_PIN_I_PD(169), + SH7372_PIN_I_PD(170), SH7372_PIN_O(171), + SH7372_PIN_IO_PU_PD(172), SH7372_PIN_IO_PU_PD(173), + SH7372_PIN_IO_PU_PD(174), SH7372_PIN_IO_PU_PD(175), + SH7372_PIN_IO_PU_PD(176), SH7372_PIN_IO_PU_PD(177), + SH7372_PIN_IO_PU_PD(178), SH7372_PIN_O(179), + SH7372_PIN_IO_PU_PD(180), SH7372_PIN_IO_PU_PD(181), + SH7372_PIN_IO_PU_PD(182), SH7372_PIN_IO_PU_PD(183), + SH7372_PIN_IO_PU_PD(184), SH7372_PIN_O(185), + SH7372_PIN_IO_PU_PD(186), SH7372_PIN_IO_PU_PD(187), + SH7372_PIN_IO_PU_PD(188), SH7372_PIN_IO_PU_PD(189), + SH7372_PIN_IO_PU_PD(190), }; /* - BSC -------------------------------------------------------------------- */ @@ -2136,6 +2137,17 @@ static const struct sh_pfc_function pinmux_functions[] = { SH_PFC_FUNCTION(usb1), }; +#undef PORTCR +#define PORTCR(nr, reg) \ + { \ + PINMUX_CFG_REG("PORT" nr "CR", reg, 8, 4) { \ + _PCRH(PORT##nr##_IN, 0, 0, PORT##nr##_OUT), \ + PORT##nr##_FN0, PORT##nr##_FN1, \ + PORT##nr##_FN2, PORT##nr##_FN3, \ + PORT##nr##_FN4, PORT##nr##_FN5, \ + PORT##nr##_FN6, PORT##nr##_FN7 } \ + } + static const struct pinmux_cfg_reg pinmux_config_regs[] = { PORTCR(0, 0xE6051000), /* PORT0CR */ PORTCR(1, 0xE6051001), /* PORT1CR */ @@ -2568,11 +2580,80 @@ static const struct pinmux_irq pinmux_irqs[] = { PINMUX_IRQ(EXT_IRQ16H(31), 138, 184), }; +#define PORTnCR_PULMD_OFF (0 << 6) +#define PORTnCR_PULMD_DOWN (2 << 6) +#define PORTnCR_PULMD_UP (3 << 6) +#define PORTnCR_PULMD_MASK (3 << 6) + +struct sh7372_portcr_group { + unsigned int end_pin; + unsigned int offset; +}; + +static const struct sh7372_portcr_group sh7372_portcr_offsets[] = { + { 45, 0x1000 }, { 75, 0x2000 }, { 99, 0x0000 }, { 120, 0x3000 }, + { 151, 0x0000 }, { 155, 0x3000 }, { 166, 0x0000 }, { 190, 0x2000 }, +}; + +static void __iomem *sh7372_pinmux_portcr(struct sh_pfc *pfc, unsigned int pin) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(sh7372_portcr_offsets); ++i) { + const struct sh7372_portcr_group *group = + &sh7372_portcr_offsets[i]; + + if (i <= group->end_pin) + return pfc->window->virt + group->offset + pin; + } + + return NULL; +} + +static unsigned int sh7372_pinmux_get_bias(struct sh_pfc *pfc, unsigned int pin) +{ + void __iomem *addr = sh7372_pinmux_portcr(pfc, pin); + u32 value = ioread8(addr) & PORTnCR_PULMD_MASK; + + switch (value) { + case PORTnCR_PULMD_UP: + return PIN_CONFIG_BIAS_PULL_UP; + case PORTnCR_PULMD_DOWN: + return PIN_CONFIG_BIAS_PULL_DOWN; + case PORTnCR_PULMD_OFF: + default: + return PIN_CONFIG_BIAS_DISABLE; + } +} + +static void sh7372_pinmux_set_bias(struct sh_pfc *pfc, unsigned int pin, + unsigned int bias) +{ + void __iomem *addr = sh7372_pinmux_portcr(pfc, pin); + u32 value = ioread8(addr) & ~PORTnCR_PULMD_MASK; + + switch (bias) { + case PIN_CONFIG_BIAS_PULL_UP: + value |= PORTnCR_PULMD_UP; + break; + case PIN_CONFIG_BIAS_PULL_DOWN: + value |= PORTnCR_PULMD_DOWN; + break; + } + + iowrite8(value, addr); +} + +static const struct sh_pfc_soc_operations sh7372_pinmux_ops = { + .get_bias = sh7372_pinmux_get_bias, + .set_bias = sh7372_pinmux_set_bias, +}; + const struct sh_pfc_soc_info sh7372_pinmux_info = { .name = "sh7372_pfc", + .ops = &sh7372_pinmux_ops, + .input = { PINMUX_INPUT_BEGIN, PINMUX_INPUT_END }, - .input_pu = { PINMUX_INPUT_PULLUP_BEGIN, PINMUX_INPUT_PULLUP_END }, - .input_pd = { PINMUX_INPUT_PULLDOWN_BEGIN, PINMUX_INPUT_PULLDOWN_END }, .output = { PINMUX_OUTPUT_BEGIN, PINMUX_OUTPUT_END }, .function = { PINMUX_FUNCTION_BEGIN, PINMUX_FUNCTION_END }, -- 2.46.0