From 80da8e02d22caaef78a91f3834ed92455f19088b Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Tue, 23 Apr 2013 14:24:19 +0200 Subject: [PATCH] sh-pfc: r8a7740: Add bias (pull-up/down) pinconf support Signed-off-by: Laurent Pinchart Signed-off-by: Simon Horman --- drivers/pinctrl/sh-pfc/pfc-r8a7740.c | 365 ++++++++++++++++----------- 1 file changed, 220 insertions(+), 145 deletions(-) diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7740.c b/drivers/pinctrl/sh-pfc/pfc-r8a7740.c index 6af8fae412b6..e5ef587abe0f 100644 --- a/drivers/pinctrl/sh-pfc/pfc-r8a7740.c +++ b/drivers/pinctrl/sh-pfc/pfc-r8a7740.c @@ -18,10 +18,14 @@ * 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) \ @@ -66,16 +70,6 @@ enum { PORT_ALL(IN), PINMUX_INPUT_END, - /* PORT0_IN_PU -> PORT211_IN_PU */ - PINMUX_INPUT_PULLUP_BEGIN, - PORT_ALL(IN_PU), - PINMUX_INPUT_PULLUP_END, - - /* PORT0_IN_PD -> PORT211_IN_PD */ - PINMUX_INPUT_PULLDOWN_BEGIN, - PORT_ALL(IN_PD), - PINMUX_INPUT_PULLDOWN_END, - /* PORT0_OUT -> PORT211_OUT */ PINMUX_OUTPUT_BEGIN, PORT_ALL(OUT), @@ -596,137 +590,11 @@ enum { PINMUX_MARK_END, }; +#define _PORT_DATA(pfx, sfx) PORT_DATA_IO(pfx) +#define PINMUX_DATA_GP_ALL() CPU_ALL_PORT(_PORT_DATA, , unused) + static const pinmux_enum_t pinmux_data[] = { - /* specify valid pin states for each pin in GPIO mode */ - - /* I/O and Pull U/D */ - PORT_DATA_IO_PD(0), PORT_DATA_IO_PD(1), - PORT_DATA_IO_PD(2), PORT_DATA_IO_PD(3), - PORT_DATA_IO_PD(4), PORT_DATA_IO_PD(5), - PORT_DATA_IO_PD(6), PORT_DATA_IO(7), - PORT_DATA_IO(8), PORT_DATA_IO(9), - - PORT_DATA_IO_PD(10), PORT_DATA_IO_PD(11), - PORT_DATA_IO_PD(12), PORT_DATA_IO_PU_PD(13), - PORT_DATA_IO_PD(14), PORT_DATA_IO_PD(15), - PORT_DATA_IO_PD(16), PORT_DATA_IO_PD(17), - PORT_DATA_IO(18), PORT_DATA_IO_PU(19), - - PORT_DATA_IO_PU_PD(20), PORT_DATA_IO_PD(21), - PORT_DATA_IO_PU_PD(22), PORT_DATA_IO(23), - PORT_DATA_IO_PU(24), PORT_DATA_IO_PU(25), - PORT_DATA_IO_PU(26), PORT_DATA_IO_PU(27), - PORT_DATA_IO_PU(28), PORT_DATA_IO_PU(29), - - PORT_DATA_IO_PU(30), PORT_DATA_IO_PD(31), - PORT_DATA_IO_PD(32), PORT_DATA_IO_PD(33), - PORT_DATA_IO_PD(34), PORT_DATA_IO_PU(35), - PORT_DATA_IO_PU(36), PORT_DATA_IO_PD(37), - PORT_DATA_IO_PU(38), PORT_DATA_IO_PD(39), - - PORT_DATA_IO_PU_PD(40), PORT_DATA_IO_PD(41), - PORT_DATA_IO_PD(42), PORT_DATA_IO_PU_PD(43), - PORT_DATA_IO_PU_PD(44), PORT_DATA_IO_PU_PD(45), - PORT_DATA_IO_PU_PD(46), PORT_DATA_IO_PU_PD(47), - PORT_DATA_IO_PU_PD(48), PORT_DATA_IO_PU_PD(49), - - PORT_DATA_IO_PU_PD(50), PORT_DATA_IO_PD(51), - PORT_DATA_IO_PD(52), PORT_DATA_IO_PD(53), - PORT_DATA_IO_PD(54), PORT_DATA_IO_PU_PD(55), - PORT_DATA_IO_PU_PD(56), PORT_DATA_IO_PU_PD(57), - PORT_DATA_IO_PU_PD(58), PORT_DATA_IO_PU_PD(59), - - PORT_DATA_IO_PU_PD(60), PORT_DATA_IO_PD(61), - PORT_DATA_IO_PD(62), PORT_DATA_IO_PD(63), - PORT_DATA_IO_PD(64), PORT_DATA_IO_PD(65), - PORT_DATA_IO_PU_PD(66), PORT_DATA_IO_PU_PD(67), - PORT_DATA_IO_PU_PD(68), PORT_DATA_IO_PU_PD(69), - - PORT_DATA_IO_PU_PD(70), PORT_DATA_IO_PU_PD(71), - PORT_DATA_IO_PU_PD(72), PORT_DATA_IO_PU_PD(73), - PORT_DATA_IO_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(82), PORT_DATA_IO_PU_PD(83), - PORT_DATA_IO(84), PORT_DATA_IO_PD(85), - PORT_DATA_IO_PD(86), PORT_DATA_IO_PD(87), - PORT_DATA_IO_PD(88), PORT_DATA_IO_PD(89), - - PORT_DATA_IO_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_PD(96), PORT_DATA_IO_PU_PD(97), - PORT_DATA_IO_PU_PD(98), PORT_DATA_IO_PU_PD(99), - - PORT_DATA_IO_PU_PD(100), PORT_DATA_IO(101), - PORT_DATA_IO_PU(102), PORT_DATA_IO_PU_PD(103), - PORT_DATA_IO_PU(104), PORT_DATA_IO_PU(105), - PORT_DATA_IO_PU_PD(106), PORT_DATA_IO(107), - PORT_DATA_IO(108), PORT_DATA_IO(109), - - PORT_DATA_IO(110), PORT_DATA_IO(111), - PORT_DATA_IO(112), PORT_DATA_IO(113), - PORT_DATA_IO_PU_PD(114), PORT_DATA_IO(115), - PORT_DATA_IO_PD(116), PORT_DATA_IO_PD(117), - PORT_DATA_IO_PD(118), PORT_DATA_IO_PD(119), - - PORT_DATA_IO_PD(120), PORT_DATA_IO_PD(121), - PORT_DATA_IO_PD(122), PORT_DATA_IO_PD(123), - PORT_DATA_IO_PD(124), PORT_DATA_IO(125), - PORT_DATA_IO(126), PORT_DATA_IO(127), - PORT_DATA_IO(128), PORT_DATA_IO(129), - - PORT_DATA_IO(130), PORT_DATA_IO(131), - PORT_DATA_IO(132), PORT_DATA_IO(133), - PORT_DATA_IO(134), PORT_DATA_IO(135), - PORT_DATA_IO(136), PORT_DATA_IO(137), - PORT_DATA_IO(138), PORT_DATA_IO(139), - - PORT_DATA_IO(140), PORT_DATA_IO(141), - PORT_DATA_IO_PU(142), PORT_DATA_IO_PU(143), - PORT_DATA_IO_PU(144), PORT_DATA_IO_PU(145), - PORT_DATA_IO_PU(146), PORT_DATA_IO_PU(147), - PORT_DATA_IO_PU(148), PORT_DATA_IO_PU(149), - - PORT_DATA_IO_PU(150), PORT_DATA_IO_PU(151), - PORT_DATA_IO_PU(152), PORT_DATA_IO_PU(153), - PORT_DATA_IO_PU(154), PORT_DATA_IO_PU(155), - PORT_DATA_IO_PU(156), PORT_DATA_IO_PU(157), - PORT_DATA_IO_PD(158), PORT_DATA_IO_PD(159), - - PORT_DATA_IO_PU_PD(160), PORT_DATA_IO_PD(161), - PORT_DATA_IO_PD(162), PORT_DATA_IO_PD(163), - PORT_DATA_IO_PD(164), PORT_DATA_IO_PD(165), - PORT_DATA_IO_PU(166), PORT_DATA_IO_PU(167), - PORT_DATA_IO_PU(168), PORT_DATA_IO_PU(169), - - PORT_DATA_IO_PU(170), PORT_DATA_IO_PU(171), - PORT_DATA_IO_PD(172), PORT_DATA_IO_PD(173), - PORT_DATA_IO_PD(174), PORT_DATA_IO_PD(175), - PORT_DATA_IO_PU(176), PORT_DATA_IO_PU_PD(177), - PORT_DATA_IO_PU(178), PORT_DATA_IO_PD(179), - - PORT_DATA_IO_PD(180), PORT_DATA_IO_PU(181), - PORT_DATA_IO_PU(182), PORT_DATA_IO(183), - PORT_DATA_IO_PD(184), PORT_DATA_IO_PD(185), - PORT_DATA_IO_PD(186), PORT_DATA_IO_PD(187), - PORT_DATA_IO_PD(188), PORT_DATA_IO_PD(189), - - PORT_DATA_IO_PD(190), PORT_DATA_IO_PD(191), - PORT_DATA_IO_PD(192), PORT_DATA_IO_PU_PD(193), - PORT_DATA_IO_PU_PD(194), PORT_DATA_IO_PD(195), - PORT_DATA_IO_PU_PD(196), PORT_DATA_IO_PD(197), - PORT_DATA_IO_PU_PD(198), PORT_DATA_IO_PU_PD(199), - - PORT_DATA_IO_PU_PD(200), PORT_DATA_IO_PU(201), - PORT_DATA_IO_PU_PD(202), PORT_DATA_IO(203), - PORT_DATA_IO_PU_PD(204), PORT_DATA_IO_PU_PD(205), - PORT_DATA_IO_PU_PD(206), PORT_DATA_IO_PU_PD(207), - PORT_DATA_IO_PU_PD(208), PORT_DATA_IO_PD(209), - - PORT_DATA_IO_PD(210), PORT_DATA_IO_PD(211), + PINMUX_DATA_GP_ALL(), /* Port0 */ PINMUX_DATA(DBGMDT2_MARK, PORT0_FN1), @@ -1669,8 +1537,138 @@ static const pinmux_enum_t pinmux_data[] = { PINMUX_DATA(TRACEAUD_FROM_MEMC_MARK, MSEL5CR_30_1, MSEL5CR_29_0), }; +#define R8A7740_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 R8A7740_PIN_I_PD(pin) R8A7740_PIN(pin, __I | __PD) +#define R8A7740_PIN_I_PU(pin) R8A7740_PIN(pin, __I | __PU) +#define R8A7740_PIN_I_PU_PD(pin) R8A7740_PIN(pin, __I | __PUD) +#define R8A7740_PIN_IO(pin) R8A7740_PIN(pin, __IO) +#define R8A7740_PIN_IO_PD(pin) R8A7740_PIN(pin, __IO | __PD) +#define R8A7740_PIN_IO_PU(pin) R8A7740_PIN(pin, __IO | __PU) +#define R8A7740_PIN_IO_PU_PD(pin) R8A7740_PIN(pin, __IO | __PUD) +#define R8A7740_PIN_O(pin) R8A7740_PIN(pin, __O) +#define R8A7740_PIN_O_PU_PD(pin) R8A7740_PIN(pin, __O | __PUD) + static struct sh_pfc_pin pinmux_pins[] = { - GPIO_PORT_ALL(), + /* Table 56-1 (I/O and Pull U/D) */ + R8A7740_PIN_IO_PD(0), R8A7740_PIN_IO_PD(1), + R8A7740_PIN_IO_PD(2), R8A7740_PIN_IO_PD(3), + R8A7740_PIN_IO_PD(4), R8A7740_PIN_IO_PD(5), + R8A7740_PIN_IO_PD(6), R8A7740_PIN_IO(7), + R8A7740_PIN_IO(8), R8A7740_PIN_IO(9), + R8A7740_PIN_IO_PD(10), R8A7740_PIN_IO_PD(11), + R8A7740_PIN_IO_PD(12), R8A7740_PIN_IO_PU_PD(13), + R8A7740_PIN_IO_PD(14), R8A7740_PIN_IO_PD(15), + R8A7740_PIN_IO_PD(16), R8A7740_PIN_IO_PD(17), + R8A7740_PIN_IO(18), R8A7740_PIN_IO_PU(19), + R8A7740_PIN_IO_PU_PD(20), R8A7740_PIN_IO_PD(21), + R8A7740_PIN_IO_PU_PD(22), R8A7740_PIN_IO(23), + R8A7740_PIN_IO_PU(24), R8A7740_PIN_IO_PU(25), + R8A7740_PIN_IO_PU(26), R8A7740_PIN_IO_PU(27), + R8A7740_PIN_IO_PU(28), R8A7740_PIN_IO_PU(29), + R8A7740_PIN_IO_PU(30), R8A7740_PIN_IO_PD(31), + R8A7740_PIN_IO_PD(32), R8A7740_PIN_IO_PD(33), + R8A7740_PIN_IO_PD(34), R8A7740_PIN_IO_PU(35), + R8A7740_PIN_IO_PU(36), R8A7740_PIN_IO_PD(37), + R8A7740_PIN_IO_PU(38), R8A7740_PIN_IO_PD(39), + R8A7740_PIN_IO_PU_PD(40), R8A7740_PIN_IO_PD(41), + R8A7740_PIN_IO_PD(42), R8A7740_PIN_IO_PU_PD(43), + R8A7740_PIN_IO_PU_PD(44), R8A7740_PIN_IO_PU_PD(45), + R8A7740_PIN_IO_PU_PD(46), R8A7740_PIN_IO_PU_PD(47), + R8A7740_PIN_IO_PU_PD(48), R8A7740_PIN_IO_PU_PD(49), + R8A7740_PIN_IO_PU_PD(50), R8A7740_PIN_IO_PD(51), + R8A7740_PIN_IO_PD(52), R8A7740_PIN_IO_PD(53), + R8A7740_PIN_IO_PD(54), R8A7740_PIN_IO_PU_PD(55), + R8A7740_PIN_IO_PU_PD(56), R8A7740_PIN_IO_PU_PD(57), + R8A7740_PIN_IO_PU_PD(58), R8A7740_PIN_IO_PU_PD(59), + R8A7740_PIN_IO_PU_PD(60), R8A7740_PIN_IO_PD(61), + R8A7740_PIN_IO_PD(62), R8A7740_PIN_IO_PD(63), + R8A7740_PIN_IO_PD(64), R8A7740_PIN_IO_PD(65), + R8A7740_PIN_IO_PU_PD(66), R8A7740_PIN_IO_PU_PD(67), + R8A7740_PIN_IO_PU_PD(68), R8A7740_PIN_IO_PU_PD(69), + R8A7740_PIN_IO_PU_PD(70), R8A7740_PIN_IO_PU_PD(71), + R8A7740_PIN_IO_PU_PD(72), R8A7740_PIN_IO_PU_PD(73), + R8A7740_PIN_IO_PU_PD(74), R8A7740_PIN_IO_PU_PD(75), + R8A7740_PIN_IO_PU_PD(76), R8A7740_PIN_IO_PU_PD(77), + R8A7740_PIN_IO_PU_PD(78), R8A7740_PIN_IO_PU_PD(79), + R8A7740_PIN_IO_PU_PD(80), R8A7740_PIN_IO_PU_PD(81), + R8A7740_PIN_IO(82), R8A7740_PIN_IO_PU_PD(83), + R8A7740_PIN_IO(84), R8A7740_PIN_IO_PD(85), + R8A7740_PIN_IO_PD(86), R8A7740_PIN_IO_PD(87), + R8A7740_PIN_IO_PD(88), R8A7740_PIN_IO_PD(89), + R8A7740_PIN_IO_PD(90), R8A7740_PIN_IO_PU_PD(91), + R8A7740_PIN_IO_PU_PD(92), R8A7740_PIN_IO_PU_PD(93), + R8A7740_PIN_IO_PU_PD(94), R8A7740_PIN_IO_PU_PD(95), + R8A7740_PIN_IO_PU_PD(96), R8A7740_PIN_IO_PU_PD(97), + R8A7740_PIN_IO_PU_PD(98), R8A7740_PIN_IO_PU_PD(99), + R8A7740_PIN_IO_PU_PD(100), R8A7740_PIN_IO(101), + R8A7740_PIN_IO_PU(102), R8A7740_PIN_IO_PU_PD(103), + R8A7740_PIN_IO_PU(104), R8A7740_PIN_IO_PU(105), + R8A7740_PIN_IO_PU_PD(106), R8A7740_PIN_IO(107), + R8A7740_PIN_IO(108), R8A7740_PIN_IO(109), + R8A7740_PIN_IO(110), R8A7740_PIN_IO(111), + R8A7740_PIN_IO(112), R8A7740_PIN_IO(113), + R8A7740_PIN_IO_PU_PD(114), R8A7740_PIN_IO(115), + R8A7740_PIN_IO_PD(116), R8A7740_PIN_IO_PD(117), + R8A7740_PIN_IO_PD(118), R8A7740_PIN_IO_PD(119), + R8A7740_PIN_IO_PD(120), R8A7740_PIN_IO_PD(121), + R8A7740_PIN_IO_PD(122), R8A7740_PIN_IO_PD(123), + R8A7740_PIN_IO_PD(124), R8A7740_PIN_IO(125), + R8A7740_PIN_IO(126), R8A7740_PIN_IO(127), + R8A7740_PIN_IO(128), R8A7740_PIN_IO(129), + R8A7740_PIN_IO(130), R8A7740_PIN_IO(131), + R8A7740_PIN_IO(132), R8A7740_PIN_IO(133), + R8A7740_PIN_IO(134), R8A7740_PIN_IO(135), + R8A7740_PIN_IO(136), R8A7740_PIN_IO(137), + R8A7740_PIN_IO(138), R8A7740_PIN_IO(139), + R8A7740_PIN_IO(140), R8A7740_PIN_IO(141), + R8A7740_PIN_IO_PU(142), R8A7740_PIN_IO_PU(143), + R8A7740_PIN_IO_PU(144), R8A7740_PIN_IO_PU(145), + R8A7740_PIN_IO_PU(146), R8A7740_PIN_IO_PU(147), + R8A7740_PIN_IO_PU(148), R8A7740_PIN_IO_PU(149), + R8A7740_PIN_IO_PU(150), R8A7740_PIN_IO_PU(151), + R8A7740_PIN_IO_PU(152), R8A7740_PIN_IO_PU(153), + R8A7740_PIN_IO_PU(154), R8A7740_PIN_IO_PU(155), + R8A7740_PIN_IO_PU(156), R8A7740_PIN_IO_PU(157), + R8A7740_PIN_IO_PD(158), R8A7740_PIN_IO_PD(159), + R8A7740_PIN_IO_PU_PD(160), R8A7740_PIN_IO_PD(161), + R8A7740_PIN_IO_PD(162), R8A7740_PIN_IO_PD(163), + R8A7740_PIN_IO_PD(164), R8A7740_PIN_IO_PD(165), + R8A7740_PIN_IO_PU(166), R8A7740_PIN_IO_PU(167), + R8A7740_PIN_IO_PU(168), R8A7740_PIN_IO_PU(169), + R8A7740_PIN_IO_PU(170), R8A7740_PIN_IO_PU(171), + R8A7740_PIN_IO_PD(172), R8A7740_PIN_IO_PD(173), + R8A7740_PIN_IO_PD(174), R8A7740_PIN_IO_PD(175), + R8A7740_PIN_IO_PU(176), R8A7740_PIN_IO_PU_PD(177), + R8A7740_PIN_IO_PU(178), R8A7740_PIN_IO_PD(179), + R8A7740_PIN_IO_PD(180), R8A7740_PIN_IO_PU(181), + R8A7740_PIN_IO_PU(182), R8A7740_PIN_IO(183), + R8A7740_PIN_IO_PD(184), R8A7740_PIN_IO_PD(185), + R8A7740_PIN_IO_PD(186), R8A7740_PIN_IO_PD(187), + R8A7740_PIN_IO_PD(188), R8A7740_PIN_IO_PD(189), + R8A7740_PIN_IO_PD(190), R8A7740_PIN_IO_PD(191), + R8A7740_PIN_IO_PD(192), R8A7740_PIN_IO_PU_PD(193), + R8A7740_PIN_IO_PU_PD(194), R8A7740_PIN_IO_PD(195), + R8A7740_PIN_IO_PU_PD(196), R8A7740_PIN_IO_PD(197), + R8A7740_PIN_IO_PU_PD(198), R8A7740_PIN_IO_PU_PD(199), + R8A7740_PIN_IO_PU_PD(200), R8A7740_PIN_IO_PU(201), + R8A7740_PIN_IO_PU_PD(202), R8A7740_PIN_IO(203), + R8A7740_PIN_IO_PU_PD(204), R8A7740_PIN_IO_PU_PD(205), + R8A7740_PIN_IO_PU_PD(206), R8A7740_PIN_IO_PU_PD(207), + R8A7740_PIN_IO_PU_PD(208), R8A7740_PIN_IO_PD(209), + R8A7740_PIN_IO_PD(210), R8A7740_PIN_IO_PD(211), }; /* - BSC -------------------------------------------------------------------- */ @@ -3204,6 +3202,17 @@ static const struct sh_pfc_function pinmux_functions[] = { SH_PFC_FUNCTION(sdhi2), }; +#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, 0xe6050000), /* PORT0CR */ PORTCR(1, 0xe6050001), /* PORT1CR */ @@ -3657,14 +3666,80 @@ static const struct pinmux_irq pinmux_irqs[] = { PINMUX_IRQ(irq_pin(31), 41, 167), /* IRQ31A */ }; +#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 r8a7740_portcr_group { + unsigned int end_pin; + unsigned int offset; +}; + +static const struct r8a7740_portcr_group r8a7740_portcr_offsets[] = { + { 83, 0x0000 }, { 114, 0x1000 }, { 209, 0x2000 }, { 211, 0x3000 }, +}; + +static void __iomem *r8a7740_pinmux_portcr(struct sh_pfc *pfc, unsigned int pin) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(r8a7740_portcr_offsets); ++i) { + const struct r8a7740_portcr_group *group = + &r8a7740_portcr_offsets[i]; + + if (i <= group->end_pin) + return pfc->window->virt + group->offset + pin; + } + + return NULL; +} + +static unsigned int r8a7740_pinmux_get_bias(struct sh_pfc *pfc, unsigned int pin) +{ + void __iomem *addr = r8a7740_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 r8a7740_pinmux_set_bias(struct sh_pfc *pfc, unsigned int pin, + unsigned int bias) +{ + void __iomem *addr = r8a7740_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 r8a7740_pinmux_ops = { + .get_bias = r8a7740_pinmux_get_bias, + .set_bias = r8a7740_pinmux_set_bias, +}; + const struct sh_pfc_soc_info r8a7740_pinmux_info = { .name = "r8a7740_pfc", + .ops = &r8a7740_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, -- 2.30.2