From b8238993ed2ba222a456bcdf53370ff7fe1fe501 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Wed, 13 Mar 2013 01:31:23 +0100 Subject: [PATCH] sh-pfc: sh73a0: Add bias (pull-up/down) pinconf support Signed-off-by: Laurent Pinchart Acked-by: Linus Walleij --- drivers/pinctrl/sh-pfc/pfc-sh73a0.c | 351 +++++++++++++++++++++++++++- 1 file changed, 350 insertions(+), 1 deletion(-) diff --git a/drivers/pinctrl/sh-pfc/pfc-sh73a0.c b/drivers/pinctrl/sh-pfc/pfc-sh73a0.c index 3200fc2f34b1..f31adfc687fa 100644 --- a/drivers/pinctrl/sh-pfc/pfc-sh73a0.c +++ b/drivers/pinctrl/sh-pfc/pfc-sh73a0.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) \ @@ -1539,8 +1543,300 @@ static const pinmux_enum_t pinmux_data[] = { PINMUX_DATA(FSIAISLD_PU_MARK, PORT55_FN1, PORT55_IN_PU), }; +#define SH73A0_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 SH73A0_PIN_I_PD(pin) SH73A0_PIN(pin, __I | __PD) +#define SH73A0_PIN_I_PU(pin) SH73A0_PIN(pin, __I | __PU) +#define SH73A0_PIN_I_PU_PD(pin) SH73A0_PIN(pin, __I | __PUD) +#define SH73A0_PIN_IO(pin) SH73A0_PIN(pin, __IO) +#define SH73A0_PIN_IO_PD(pin) SH73A0_PIN(pin, __IO | __PD) +#define SH73A0_PIN_IO_PU(pin) SH73A0_PIN(pin, __IO | __PU) +#define SH73A0_PIN_IO_PU_PD(pin) SH73A0_PIN(pin, __IO | __PUD) +#define SH73A0_PIN_O(pin) SH73A0_PIN(pin, __O) + static struct sh_pfc_pin pinmux_pins[] = { - GPIO_PORT_ALL(), + /* Table 25-1 (I/O and Pull U/D) */ + SH73A0_PIN_I_PD(0), + SH73A0_PIN_I_PU(1), + SH73A0_PIN_I_PU(2), + SH73A0_PIN_I_PU(3), + SH73A0_PIN_I_PU(4), + SH73A0_PIN_I_PU(5), + SH73A0_PIN_I_PU(6), + SH73A0_PIN_I_PU(7), + SH73A0_PIN_I_PU(8), + SH73A0_PIN_I_PD(9), + SH73A0_PIN_I_PD(10), + SH73A0_PIN_I_PU_PD(11), + SH73A0_PIN_IO_PU_PD(12), + SH73A0_PIN_IO_PU_PD(13), + SH73A0_PIN_IO_PU_PD(14), + SH73A0_PIN_IO_PU_PD(15), + SH73A0_PIN_IO_PD(16), + SH73A0_PIN_IO_PD(17), + SH73A0_PIN_IO_PU(18), + SH73A0_PIN_IO_PU(19), + SH73A0_PIN_O(20), + SH73A0_PIN_O(21), + SH73A0_PIN_O(22), + SH73A0_PIN_O(23), + SH73A0_PIN_O(24), + SH73A0_PIN_I_PD(25), + SH73A0_PIN_I_PD(26), + SH73A0_PIN_IO_PU(27), + SH73A0_PIN_IO_PU(28), + SH73A0_PIN_IO_PD(29), + SH73A0_PIN_IO_PD(30), + SH73A0_PIN_IO_PU(31), + SH73A0_PIN_IO_PD(32), + SH73A0_PIN_I_PU_PD(33), + SH73A0_PIN_IO_PD(34), + SH73A0_PIN_I_PU_PD(35), + SH73A0_PIN_IO_PD(36), + SH73A0_PIN_IO(37), + SH73A0_PIN_O(38), + SH73A0_PIN_I_PU(39), + SH73A0_PIN_I_PU_PD(40), + SH73A0_PIN_O(41), + SH73A0_PIN_IO_PD(42), + SH73A0_PIN_IO_PU_PD(43), + SH73A0_PIN_IO_PU_PD(44), + SH73A0_PIN_IO_PD(45), + SH73A0_PIN_IO_PD(46), + SH73A0_PIN_IO_PD(47), + SH73A0_PIN_I_PD(48), + SH73A0_PIN_IO_PU_PD(49), + SH73A0_PIN_IO_PD(50), + SH73A0_PIN_IO_PD(51), + SH73A0_PIN_O(52), + SH73A0_PIN_IO_PU_PD(53), + SH73A0_PIN_IO_PU_PD(54), + SH73A0_PIN_IO_PD(55), + SH73A0_PIN_I_PU_PD(56), + SH73A0_PIN_IO(57), + SH73A0_PIN_IO(58), + SH73A0_PIN_IO(59), + SH73A0_PIN_IO(60), + SH73A0_PIN_IO(61), + SH73A0_PIN_IO_PD(62), + SH73A0_PIN_IO_PD(63), + SH73A0_PIN_IO_PU_PD(64), + SH73A0_PIN_IO_PD(65), + SH73A0_PIN_IO_PU_PD(66), + SH73A0_PIN_IO_PU_PD(67), + SH73A0_PIN_IO_PU_PD(68), + SH73A0_PIN_IO_PU_PD(69), + SH73A0_PIN_IO_PU_PD(70), + SH73A0_PIN_IO_PU_PD(71), + SH73A0_PIN_IO_PU_PD(72), + SH73A0_PIN_I_PU_PD(73), + SH73A0_PIN_IO_PU(74), + SH73A0_PIN_IO_PU(75), + SH73A0_PIN_IO_PU(76), + SH73A0_PIN_IO_PU(77), + SH73A0_PIN_IO_PU(78), + SH73A0_PIN_IO_PU(79), + SH73A0_PIN_IO_PU(80), + SH73A0_PIN_IO_PU(81), + SH73A0_PIN_IO_PU(82), + SH73A0_PIN_IO_PU(83), + SH73A0_PIN_IO_PU(84), + SH73A0_PIN_IO_PU(85), + SH73A0_PIN_IO_PU(86), + SH73A0_PIN_IO_PU(87), + SH73A0_PIN_IO_PU(88), + SH73A0_PIN_IO_PU(89), + SH73A0_PIN_O(90), + SH73A0_PIN_IO_PU(91), + SH73A0_PIN_O(92), + SH73A0_PIN_IO_PU(93), + SH73A0_PIN_O(94), + SH73A0_PIN_I_PU_PD(95), + SH73A0_PIN_IO(96), + SH73A0_PIN_IO(97), + SH73A0_PIN_IO(98), + SH73A0_PIN_I_PU(99), + SH73A0_PIN_O(100), + SH73A0_PIN_O(101), + SH73A0_PIN_I_PU(102), + SH73A0_PIN_IO_PD(103), + SH73A0_PIN_I_PU_PD(104), + SH73A0_PIN_I_PD(105), + SH73A0_PIN_I_PD(106), + SH73A0_PIN_I_PU_PD(107), + SH73A0_PIN_I_PU_PD(108), + SH73A0_PIN_IO_PD(109), + SH73A0_PIN_IO_PD(110), + SH73A0_PIN_IO_PU_PD(111), + SH73A0_PIN_IO_PU_PD(112), + SH73A0_PIN_IO_PU_PD(113), + SH73A0_PIN_IO_PD(114), + SH73A0_PIN_IO_PU(115), + SH73A0_PIN_IO_PU(116), + SH73A0_PIN_IO_PU_PD(117), + SH73A0_PIN_IO_PU_PD(118), + SH73A0_PIN_IO_PD(128), + SH73A0_PIN_IO_PD(129), + SH73A0_PIN_IO_PU_PD(130), + SH73A0_PIN_IO_PD(131), + SH73A0_PIN_IO_PD(132), + SH73A0_PIN_IO_PD(133), + SH73A0_PIN_IO_PU_PD(134), + SH73A0_PIN_IO_PU_PD(135), + SH73A0_PIN_IO_PU_PD(136), + SH73A0_PIN_IO_PU_PD(137), + SH73A0_PIN_IO_PD(138), + SH73A0_PIN_IO_PD(139), + SH73A0_PIN_IO_PD(140), + SH73A0_PIN_IO_PD(141), + SH73A0_PIN_IO_PD(142), + SH73A0_PIN_IO_PD(143), + SH73A0_PIN_IO_PU_PD(144), + SH73A0_PIN_IO_PD(145), + SH73A0_PIN_IO_PU_PD(146), + SH73A0_PIN_IO_PU_PD(147), + SH73A0_PIN_IO_PU_PD(148), + SH73A0_PIN_IO_PU_PD(149), + SH73A0_PIN_I_PU_PD(150), + SH73A0_PIN_IO_PU_PD(151), + SH73A0_PIN_IO_PU_PD(152), + SH73A0_PIN_IO_PD(153), + SH73A0_PIN_IO_PD(154), + SH73A0_PIN_I_PU_PD(155), + SH73A0_PIN_IO_PU_PD(156), + SH73A0_PIN_I_PD(157), + SH73A0_PIN_IO_PD(158), + SH73A0_PIN_IO_PU_PD(159), + SH73A0_PIN_IO_PU_PD(160), + SH73A0_PIN_I_PU_PD(161), + SH73A0_PIN_I_PU_PD(162), + SH73A0_PIN_IO_PU_PD(163), + SH73A0_PIN_I_PU_PD(164), + SH73A0_PIN_IO_PD(192), + SH73A0_PIN_IO_PU_PD(193), + SH73A0_PIN_IO_PD(194), + SH73A0_PIN_IO_PU_PD(195), + SH73A0_PIN_IO_PD(196), + SH73A0_PIN_IO_PD(197), + SH73A0_PIN_IO_PD(198), + SH73A0_PIN_IO_PD(199), + SH73A0_PIN_IO_PU_PD(200), + SH73A0_PIN_IO_PU_PD(201), + SH73A0_PIN_IO_PU_PD(202), + SH73A0_PIN_IO_PU_PD(203), + SH73A0_PIN_IO_PU_PD(204), + SH73A0_PIN_IO_PU_PD(205), + SH73A0_PIN_IO_PU_PD(206), + SH73A0_PIN_IO_PD(207), + SH73A0_PIN_IO_PD(208), + SH73A0_PIN_IO_PD(209), + SH73A0_PIN_IO_PD(210), + SH73A0_PIN_IO_PD(211), + SH73A0_PIN_IO_PD(212), + SH73A0_PIN_IO_PD(213), + SH73A0_PIN_IO_PU_PD(214), + SH73A0_PIN_IO_PU_PD(215), + SH73A0_PIN_IO_PD(216), + SH73A0_PIN_IO_PD(217), + SH73A0_PIN_O(218), + SH73A0_PIN_IO_PD(219), + SH73A0_PIN_IO_PD(220), + SH73A0_PIN_IO_PU_PD(221), + SH73A0_PIN_IO_PU_PD(222), + SH73A0_PIN_I_PU_PD(223), + SH73A0_PIN_I_PU_PD(224), + SH73A0_PIN_IO_PU_PD(225), + SH73A0_PIN_O(226), + SH73A0_PIN_IO_PU_PD(227), + SH73A0_PIN_I_PU_PD(228), + SH73A0_PIN_I_PD(229), + SH73A0_PIN_IO(230), + SH73A0_PIN_IO_PU_PD(231), + SH73A0_PIN_IO_PU_PD(232), + SH73A0_PIN_I_PU_PD(233), + SH73A0_PIN_IO_PU_PD(234), + SH73A0_PIN_IO_PU_PD(235), + SH73A0_PIN_IO_PU_PD(236), + SH73A0_PIN_IO_PD(237), + SH73A0_PIN_IO_PU_PD(238), + SH73A0_PIN_IO_PU_PD(239), + SH73A0_PIN_IO_PU_PD(240), + SH73A0_PIN_O(241), + SH73A0_PIN_I_PD(242), + SH73A0_PIN_IO_PU_PD(243), + SH73A0_PIN_IO_PU_PD(244), + SH73A0_PIN_IO_PU_PD(245), + SH73A0_PIN_IO_PU_PD(246), + SH73A0_PIN_IO_PU_PD(247), + SH73A0_PIN_IO_PU_PD(248), + SH73A0_PIN_IO_PU_PD(249), + SH73A0_PIN_IO_PU_PD(250), + SH73A0_PIN_IO_PU_PD(251), + SH73A0_PIN_IO_PU_PD(252), + SH73A0_PIN_IO_PU_PD(253), + SH73A0_PIN_IO_PU_PD(254), + SH73A0_PIN_IO_PU_PD(255), + SH73A0_PIN_IO_PU_PD(256), + SH73A0_PIN_IO_PU_PD(257), + SH73A0_PIN_IO_PU_PD(258), + SH73A0_PIN_IO_PU_PD(259), + SH73A0_PIN_IO_PU_PD(260), + SH73A0_PIN_IO_PU_PD(261), + SH73A0_PIN_IO_PU_PD(262), + SH73A0_PIN_IO_PU_PD(263), + SH73A0_PIN_IO_PU_PD(264), + SH73A0_PIN_IO_PU_PD(265), + SH73A0_PIN_IO_PU_PD(266), + SH73A0_PIN_IO_PU_PD(267), + SH73A0_PIN_IO_PU_PD(268), + SH73A0_PIN_IO_PU_PD(269), + SH73A0_PIN_IO_PU_PD(270), + SH73A0_PIN_IO_PU_PD(271), + SH73A0_PIN_IO_PU_PD(272), + SH73A0_PIN_IO_PU_PD(273), + SH73A0_PIN_IO_PU_PD(274), + SH73A0_PIN_IO_PU_PD(275), + SH73A0_PIN_IO_PU_PD(276), + SH73A0_PIN_IO_PU_PD(277), + SH73A0_PIN_IO_PU_PD(278), + SH73A0_PIN_IO_PU_PD(279), + SH73A0_PIN_IO_PU_PD(280), + SH73A0_PIN_O(281), + SH73A0_PIN_O(282), + SH73A0_PIN_I_PU(288), + SH73A0_PIN_IO_PU_PD(289), + SH73A0_PIN_IO_PU_PD(290), + SH73A0_PIN_IO_PU_PD(291), + SH73A0_PIN_IO_PU_PD(292), + SH73A0_PIN_IO_PU_PD(293), + SH73A0_PIN_IO_PU_PD(294), + SH73A0_PIN_IO_PU_PD(295), + SH73A0_PIN_IO_PU_PD(296), + SH73A0_PIN_IO_PU_PD(297), + SH73A0_PIN_IO_PU_PD(298), + SH73A0_PIN_IO_PU_PD(299), + SH73A0_PIN_IO_PU_PD(300), + SH73A0_PIN_IO_PU_PD(301), + SH73A0_PIN_IO_PU_PD(302), + SH73A0_PIN_IO_PU_PD(303), + SH73A0_PIN_IO_PU_PD(304), + SH73A0_PIN_IO_PU_PD(305), + SH73A0_PIN_O(306), + SH73A0_PIN_O(307), + SH73A0_PIN_I_PU(308), + SH73A0_PIN_O(309), }; static const struct pinmux_range pinmux_ranges[] = { @@ -2779,8 +3075,61 @@ static const struct pinmux_irq pinmux_irqs[] = { PINMUX_IRQ(EXT_IRQ16L(9), 308), }; +#define PORTnCR_PULMD_OFF (0 << 6) +#define PORTnCR_PULMD_DOWN (2 << 6) +#define PORTnCR_PULMD_UP (3 << 6) +#define PORTnCR_PULMD_MASK (3 << 6) + +static const unsigned int sh73a0_portcr_offsets[] = { + 0x00000000, 0x00001000, 0x00001000, 0x00002000, 0x00002000, + 0x00002000, 0x00002000, 0x00003000, 0x00003000, 0x00002000, +}; + +static unsigned int sh73a0_pinmux_get_bias(struct sh_pfc *pfc, unsigned int pin) +{ + void __iomem *addr = pfc->window->virt + + sh73a0_portcr_offsets[pin >> 5] + 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 sh73a0_pinmux_set_bias(struct sh_pfc *pfc, unsigned int pin, + unsigned int bias) +{ + void __iomem *addr = pfc->window->virt + + sh73a0_portcr_offsets[pin >> 5] + 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 sh73a0_pinmux_ops = { + .get_bias = sh73a0_pinmux_get_bias, + .set_bias = sh73a0_pinmux_set_bias, +}; + const struct sh_pfc_soc_info sh73a0_pinmux_info = { .name = "sh73a0_pfc", + .ops = &sh73a0_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 }, -- 2.20.1