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Commit 80da8e02 authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Simon Horman
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sh-pfc: r8a7740: Add bias (pull-up/down) pinconf support 

Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent f92e1360
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Showing with 220 additions and 145 deletions
drivers/pinctrl/sh-pfc/pfc-r8a7740.c
View file @ 80da8e02
......@@ -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 <linux/io.h>
#include <linux/kernel.h>
#include <linux/pinctrl/pinconf-generic.h>
#include <mach/r8a7740.h>
#include <mach/irqs.h>
#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,
......
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