diff options
Diffstat (limited to 'drivers/pinctrl/sh-pfc')
-rw-r--r-- | drivers/pinctrl/sh-pfc/pfc-r8a73a4.c | 197 |
1 files changed, 196 insertions, 1 deletions
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a73a4.c b/drivers/pinctrl/sh-pfc/pfc-r8a73a4.c index 0177329..86a5fd3 100644 --- a/drivers/pinctrl/sh-pfc/pfc-r8a73a4.c +++ b/drivers/pinctrl/sh-pfc/pfc-r8a73a4.c @@ -17,10 +17,13 @@ * 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/r8a73a4.h> +#include "core.h" #include "sh_pfc.h" #define CPU_ALL_PORT(fn, pfx, sfx) \ @@ -1420,8 +1423,143 @@ static const pinmux_enum_t pinmux_data[] = { PINMUX_DATA(IRQ57_MARK, PORT329_FN0), }; +#define R8A73A4_PIN(pin, cfgs) \ + { \ + .name = __stringify(PORT##pin), \ + .enum_id = PORT##pin##_DATA, \ + .configs = cfgs, \ + } + +#define __O (SH_PFC_PIN_CFG_OUTPUT) +#define __IO (SH_PFC_PIN_CFG_INPUT | SH_PFC_PIN_CFG_OUTPUT) +#define __PUD (SH_PFC_PIN_CFG_PULL_DOWN | SH_PFC_PIN_CFG_PULL_UP) + +#define R8A73A4_PIN_IO_PU_PD(pin) R8A73A4_PIN(pin, __IO | __PUD) +#define R8A73A4_PIN_O(pin) R8A73A4_PIN(pin, __O) + static struct sh_pfc_pin pinmux_pins[] = { - GPIO_PORT_ALL(), + R8A73A4_PIN_IO_PU_PD(0), R8A73A4_PIN_IO_PU_PD(1), + R8A73A4_PIN_IO_PU_PD(2), R8A73A4_PIN_IO_PU_PD(3), + R8A73A4_PIN_IO_PU_PD(4), R8A73A4_PIN_IO_PU_PD(5), + R8A73A4_PIN_IO_PU_PD(6), R8A73A4_PIN_IO_PU_PD(7), + R8A73A4_PIN_IO_PU_PD(8), R8A73A4_PIN_IO_PU_PD(9), + R8A73A4_PIN_IO_PU_PD(10), R8A73A4_PIN_IO_PU_PD(11), + R8A73A4_PIN_IO_PU_PD(12), R8A73A4_PIN_IO_PU_PD(13), + R8A73A4_PIN_IO_PU_PD(14), R8A73A4_PIN_IO_PU_PD(15), + R8A73A4_PIN_IO_PU_PD(16), R8A73A4_PIN_IO_PU_PD(17), + R8A73A4_PIN_IO_PU_PD(18), R8A73A4_PIN_IO_PU_PD(19), + R8A73A4_PIN_IO_PU_PD(20), R8A73A4_PIN_IO_PU_PD(21), + R8A73A4_PIN_IO_PU_PD(22), R8A73A4_PIN_IO_PU_PD(23), + R8A73A4_PIN_IO_PU_PD(24), R8A73A4_PIN_IO_PU_PD(25), + R8A73A4_PIN_IO_PU_PD(26), R8A73A4_PIN_IO_PU_PD(27), + R8A73A4_PIN_IO_PU_PD(28), R8A73A4_PIN_IO_PU_PD(29), + R8A73A4_PIN_IO_PU_PD(30), + R8A73A4_PIN_IO_PU_PD(32), R8A73A4_PIN_IO_PU_PD(33), + R8A73A4_PIN_IO_PU_PD(34), R8A73A4_PIN_IO_PU_PD(35), + R8A73A4_PIN_IO_PU_PD(36), R8A73A4_PIN_IO_PU_PD(37), + R8A73A4_PIN_IO_PU_PD(38), R8A73A4_PIN_IO_PU_PD(39), + R8A73A4_PIN_IO_PU_PD(40), + R8A73A4_PIN_IO_PU_PD(64), R8A73A4_PIN_IO_PU_PD(65), + R8A73A4_PIN_IO_PU_PD(66), R8A73A4_PIN_IO_PU_PD(67), + R8A73A4_PIN_IO_PU_PD(68), R8A73A4_PIN_IO_PU_PD(69), + R8A73A4_PIN_IO_PU_PD(70), R8A73A4_PIN_IO_PU_PD(71), + R8A73A4_PIN_IO_PU_PD(72), R8A73A4_PIN_IO_PU_PD(73), + R8A73A4_PIN_O(74), R8A73A4_PIN_IO_PU_PD(75), + R8A73A4_PIN_IO_PU_PD(76), R8A73A4_PIN_IO_PU_PD(77), + R8A73A4_PIN_IO_PU_PD(78), R8A73A4_PIN_IO_PU_PD(79), + R8A73A4_PIN_IO_PU_PD(80), R8A73A4_PIN_IO_PU_PD(81), + R8A73A4_PIN_IO_PU_PD(82), R8A73A4_PIN_IO_PU_PD(83), + R8A73A4_PIN_IO_PU_PD(84), R8A73A4_PIN_IO_PU_PD(85), + R8A73A4_PIN_IO_PU_PD(96), R8A73A4_PIN_IO_PU_PD(97), + R8A73A4_PIN_IO_PU_PD(98), R8A73A4_PIN_IO_PU_PD(99), + R8A73A4_PIN_IO_PU_PD(100), R8A73A4_PIN_IO_PU_PD(101), + R8A73A4_PIN_IO_PU_PD(102), R8A73A4_PIN_IO_PU_PD(103), + R8A73A4_PIN_IO_PU_PD(104), R8A73A4_PIN_IO_PU_PD(105), + R8A73A4_PIN_IO_PU_PD(106), R8A73A4_PIN_IO_PU_PD(107), + R8A73A4_PIN_IO_PU_PD(108), R8A73A4_PIN_IO_PU_PD(109), + R8A73A4_PIN_IO_PU_PD(110), R8A73A4_PIN_IO_PU_PD(111), + R8A73A4_PIN_IO_PU_PD(112), R8A73A4_PIN_IO_PU_PD(113), + R8A73A4_PIN_IO_PU_PD(114), R8A73A4_PIN_IO_PU_PD(115), + R8A73A4_PIN_IO_PU_PD(116), R8A73A4_PIN_IO_PU_PD(117), + R8A73A4_PIN_IO_PU_PD(118), R8A73A4_PIN_IO_PU_PD(119), + R8A73A4_PIN_IO_PU_PD(120), R8A73A4_PIN_IO_PU_PD(121), + R8A73A4_PIN_IO_PU_PD(122), R8A73A4_PIN_IO_PU_PD(123), + R8A73A4_PIN_IO_PU_PD(124), R8A73A4_PIN_IO_PU_PD(125), + R8A73A4_PIN_IO_PU_PD(126), + R8A73A4_PIN_IO_PU_PD(128), R8A73A4_PIN_IO_PU_PD(129), + R8A73A4_PIN_IO_PU_PD(130), R8A73A4_PIN_IO_PU_PD(131), + R8A73A4_PIN_IO_PU_PD(132), R8A73A4_PIN_IO_PU_PD(133), + R8A73A4_PIN_IO_PU_PD(134), + R8A73A4_PIN_IO_PU_PD(160), R8A73A4_PIN_IO_PU_PD(161), + R8A73A4_PIN_IO_PU_PD(162), R8A73A4_PIN_IO_PU_PD(163), + R8A73A4_PIN_IO_PU_PD(164), R8A73A4_PIN_IO_PU_PD(165), + R8A73A4_PIN_IO_PU_PD(166), R8A73A4_PIN_IO_PU_PD(167), + R8A73A4_PIN_IO_PU_PD(168), R8A73A4_PIN_IO_PU_PD(169), + R8A73A4_PIN_IO_PU_PD(170), R8A73A4_PIN_IO_PU_PD(171), + R8A73A4_PIN_IO_PU_PD(172), R8A73A4_PIN_IO_PU_PD(173), + R8A73A4_PIN_IO_PU_PD(174), R8A73A4_PIN_IO_PU_PD(175), + R8A73A4_PIN_IO_PU_PD(176), R8A73A4_PIN_IO_PU_PD(177), + R8A73A4_PIN_IO_PU_PD(178), + R8A73A4_PIN_IO_PU_PD(192), R8A73A4_PIN_IO_PU_PD(193), + R8A73A4_PIN_IO_PU_PD(194), R8A73A4_PIN_IO_PU_PD(195), + R8A73A4_PIN_IO_PU_PD(196), R8A73A4_PIN_IO_PU_PD(197), + R8A73A4_PIN_IO_PU_PD(198), R8A73A4_PIN_IO_PU_PD(199), + R8A73A4_PIN_IO_PU_PD(200), R8A73A4_PIN_IO_PU_PD(201), + R8A73A4_PIN_IO_PU_PD(202), R8A73A4_PIN_IO_PU_PD(203), + R8A73A4_PIN_IO_PU_PD(204), R8A73A4_PIN_IO_PU_PD(205), + R8A73A4_PIN_IO_PU_PD(206), R8A73A4_PIN_IO_PU_PD(207), + R8A73A4_PIN_IO_PU_PD(208), R8A73A4_PIN_IO_PU_PD(209), + R8A73A4_PIN_IO_PU_PD(210), R8A73A4_PIN_IO_PU_PD(211), + R8A73A4_PIN_IO_PU_PD(212), R8A73A4_PIN_IO_PU_PD(213), + R8A73A4_PIN_IO_PU_PD(214), R8A73A4_PIN_IO_PU_PD(215), + R8A73A4_PIN_IO_PU_PD(216), R8A73A4_PIN_IO_PU_PD(217), + R8A73A4_PIN_IO_PU_PD(218), R8A73A4_PIN_IO_PU_PD(219), + R8A73A4_PIN_IO_PU_PD(220), R8A73A4_PIN_IO_PU_PD(221), + R8A73A4_PIN_IO_PU_PD(222), + R8A73A4_PIN_IO_PU_PD(224), R8A73A4_PIN_IO_PU_PD(225), + R8A73A4_PIN_IO_PU_PD(226), R8A73A4_PIN_IO_PU_PD(227), + R8A73A4_PIN_IO_PU_PD(228), R8A73A4_PIN_IO_PU_PD(229), + R8A73A4_PIN_IO_PU_PD(230), R8A73A4_PIN_IO_PU_PD(231), + R8A73A4_PIN_IO_PU_PD(232), R8A73A4_PIN_IO_PU_PD(233), + R8A73A4_PIN_IO_PU_PD(234), R8A73A4_PIN_IO_PU_PD(235), + R8A73A4_PIN_IO_PU_PD(236), R8A73A4_PIN_IO_PU_PD(237), + R8A73A4_PIN_IO_PU_PD(238), R8A73A4_PIN_IO_PU_PD(239), + R8A73A4_PIN_IO_PU_PD(240), R8A73A4_PIN_IO_PU_PD(241), + R8A73A4_PIN_IO_PU_PD(242), R8A73A4_PIN_IO_PU_PD(243), + R8A73A4_PIN_IO_PU_PD(244), R8A73A4_PIN_IO_PU_PD(245), + R8A73A4_PIN_IO_PU_PD(246), R8A73A4_PIN_IO_PU_PD(247), + R8A73A4_PIN_IO_PU_PD(248), R8A73A4_PIN_IO_PU_PD(249), + R8A73A4_PIN_IO_PU_PD(250), + R8A73A4_PIN_IO_PU_PD(256), R8A73A4_PIN_IO_PU_PD(257), + R8A73A4_PIN_IO_PU_PD(258), R8A73A4_PIN_IO_PU_PD(259), + R8A73A4_PIN_IO_PU_PD(260), R8A73A4_PIN_IO_PU_PD(261), + R8A73A4_PIN_IO_PU_PD(262), R8A73A4_PIN_IO_PU_PD(263), + R8A73A4_PIN_IO_PU_PD(264), R8A73A4_PIN_IO_PU_PD(265), + R8A73A4_PIN_IO_PU_PD(266), R8A73A4_PIN_IO_PU_PD(267), + R8A73A4_PIN_IO_PU_PD(268), R8A73A4_PIN_IO_PU_PD(269), + R8A73A4_PIN_IO_PU_PD(270), R8A73A4_PIN_IO_PU_PD(271), + R8A73A4_PIN_IO_PU_PD(272), R8A73A4_PIN_IO_PU_PD(273), + R8A73A4_PIN_IO_PU_PD(274), R8A73A4_PIN_IO_PU_PD(275), + R8A73A4_PIN_IO_PU_PD(276), R8A73A4_PIN_IO_PU_PD(277), + R8A73A4_PIN_IO_PU_PD(278), R8A73A4_PIN_IO_PU_PD(279), + R8A73A4_PIN_IO_PU_PD(280), R8A73A4_PIN_IO_PU_PD(281), + R8A73A4_PIN_IO_PU_PD(282), R8A73A4_PIN_IO_PU_PD(283), + R8A73A4_PIN_O(288), R8A73A4_PIN_IO_PU_PD(289), + R8A73A4_PIN_IO_PU_PD(290), R8A73A4_PIN_IO_PU_PD(291), + R8A73A4_PIN_IO_PU_PD(292), R8A73A4_PIN_IO_PU_PD(293), + R8A73A4_PIN_IO_PU_PD(294), R8A73A4_PIN_IO_PU_PD(295), + R8A73A4_PIN_IO_PU_PD(296), R8A73A4_PIN_IO_PU_PD(297), + R8A73A4_PIN_IO_PU_PD(298), R8A73A4_PIN_IO_PU_PD(299), + R8A73A4_PIN_IO_PU_PD(300), R8A73A4_PIN_IO_PU_PD(301), + R8A73A4_PIN_IO_PU_PD(302), R8A73A4_PIN_IO_PU_PD(303), + R8A73A4_PIN_IO_PU_PD(304), R8A73A4_PIN_IO_PU_PD(305), + R8A73A4_PIN_IO_PU_PD(306), R8A73A4_PIN_IO_PU_PD(307), + R8A73A4_PIN_IO_PU_PD(308), + R8A73A4_PIN_IO_PU_PD(320), R8A73A4_PIN_IO_PU_PD(321), + R8A73A4_PIN_IO_PU_PD(322), R8A73A4_PIN_IO_PU_PD(323), + R8A73A4_PIN_IO_PU_PD(324), R8A73A4_PIN_IO_PU_PD(325), + R8A73A4_PIN_IO_PU_PD(326), R8A73A4_PIN_IO_PU_PD(327), + R8A73A4_PIN_IO_PU_PD(328), R8A73A4_PIN_IO_PU_PD(329), }; static const struct pinmux_range pinmux_ranges[] = { @@ -2878,8 +3016,65 @@ static const struct pinmux_irq pinmux_irqs[] = { PINMUX_IRQ(irq_pin(56), 328), PINMUX_IRQ(irq_pin(57), 329), }; + +#define PORTCR_PULMD_OFF (0 << 6) +#define PORTCR_PULMD_DOWN (2 << 6) +#define PORTCR_PULMD_UP (3 << 6) +#define PORTCR_PULMD_MASK (3 << 6) + +static const unsigned int r8a73a4_portcr_offsets[] = { + 0x00000000, 0x00001000, 0x00000000, 0x00001000, + 0x00001000, 0x00002000, 0x00002000, 0x00002000, + 0x00002000, 0x00003000, 0x00003000, +}; + +static unsigned int r8a73a4_pinmux_get_bias(struct sh_pfc *pfc, + unsigned int pin) +{ + void __iomem *addr; + + addr = pfc->window->virt + r8a73a4_portcr_offsets[pin >> 5] + pin; + + switch (ioread8(addr) & PORTCR_PULMD_MASK) { + case PORTCR_PULMD_UP: + return PIN_CONFIG_BIAS_PULL_UP; + case PORTCR_PULMD_DOWN: + return PIN_CONFIG_BIAS_PULL_DOWN; + case PORTCR_PULMD_OFF: + default: + return PIN_CONFIG_BIAS_DISABLE; + } +} + +static void r8a73a4_pinmux_set_bias(struct sh_pfc *pfc, unsigned int pin, + unsigned int bias) +{ + void __iomem *addr; + u32 value; + + addr = pfc->window->virt + r8a73a4_portcr_offsets[pin >> 5] + pin; + value = ioread8(addr) & ~PORTCR_PULMD_MASK; + + switch (bias) { + case PIN_CONFIG_BIAS_PULL_UP: + value |= PORTCR_PULMD_UP; + break; + case PIN_CONFIG_BIAS_PULL_DOWN: + value |= PORTCR_PULMD_DOWN; + break; + } + + iowrite8(value, addr); +} + +static const struct sh_pfc_soc_operations r8a73a4_pinmux_ops = { + .get_bias = r8a73a4_pinmux_get_bias, + .set_bias = r8a73a4_pinmux_set_bias, +}; + const struct sh_pfc_soc_info r8a73a4_pinmux_info = { .name = "r8a73a4_pfc", + .ops = &r8a73a4_pinmux_ops, .input = { PINMUX_INPUT_BEGIN, PINMUX_INPUT_END }, .input_pu = { PINMUX_INPUT_PULLUP_BEGIN, PINMUX_INPUT_PULLUP_END }, |