sh-pfc: sh7372: Add bias (pull-up/down) pinconf support

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

1 files changed, 211 insertions, 130 deletions

diff --git a/drivers/pinctrl/sh-pfc/pfc-sh7372.c b/drivers/pinctrl/sh-pfc/pfc-sh7372.c
index 94960670ef67..6dfb18772574 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 <linux/io.h>
 #include <linux/kernel.h>
+#include <linux/pinctrl/pinconf-generic.h>
+
 #include <mach/irqs.h>
 #include <mach/sh7372.h>
 
+#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 },