forked from Minki/linux
sh-pfc: r8a73a4: Add bias (pull-up/down) pinconf support
Implement pull-up/down support for r8a73a4 similar to the implementation for sh73a0. Signed-off-by: Magnus Damm <damm@opensource.se> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Magnus Damm
Simon Horman
parent
c96931ca88
commit
57ef73b469
@ -17,10 +17,13 @@
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <linux/io.h>
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#include <linux/kernel.h>
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#include <linux/pinctrl/pinconf-generic.h>
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#include <mach/irqs.h>
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#include <mach/r8a73a4.h>
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#include "core.h"
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#include "sh_pfc.h"
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#define CPU_ALL_PORT(fn, pfx, sfx) \
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@ -1420,8 +1423,143 @@ static const pinmux_enum_t pinmux_data[] = {
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PINMUX_DATA(IRQ57_MARK, PORT329_FN0),
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};
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#define R8A73A4_PIN(pin, cfgs) \
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{ \
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.name = __stringify(PORT##pin), \
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.enum_id = PORT##pin##_DATA, \
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.configs = cfgs, \
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}
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#define __O (SH_PFC_PIN_CFG_OUTPUT)
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#define __IO (SH_PFC_PIN_CFG_INPUT | SH_PFC_PIN_CFG_OUTPUT)
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#define __PUD (SH_PFC_PIN_CFG_PULL_DOWN | SH_PFC_PIN_CFG_PULL_UP)
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#define R8A73A4_PIN_IO_PU_PD(pin) R8A73A4_PIN(pin, __IO | __PUD)
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#define R8A73A4_PIN_O(pin) R8A73A4_PIN(pin, __O)
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static struct sh_pfc_pin pinmux_pins[] = {
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GPIO_PORT_ALL(),
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R8A73A4_PIN_IO_PU_PD(0), R8A73A4_PIN_IO_PU_PD(1),
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R8A73A4_PIN_IO_PU_PD(2), R8A73A4_PIN_IO_PU_PD(3),
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R8A73A4_PIN_IO_PU_PD(4), R8A73A4_PIN_IO_PU_PD(5),
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R8A73A4_PIN_IO_PU_PD(6), R8A73A4_PIN_IO_PU_PD(7),
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R8A73A4_PIN_IO_PU_PD(8), R8A73A4_PIN_IO_PU_PD(9),
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R8A73A4_PIN_IO_PU_PD(10), R8A73A4_PIN_IO_PU_PD(11),
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R8A73A4_PIN_IO_PU_PD(12), R8A73A4_PIN_IO_PU_PD(13),
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R8A73A4_PIN_IO_PU_PD(14), R8A73A4_PIN_IO_PU_PD(15),
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R8A73A4_PIN_IO_PU_PD(16), R8A73A4_PIN_IO_PU_PD(17),
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R8A73A4_PIN_IO_PU_PD(18), R8A73A4_PIN_IO_PU_PD(19),
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R8A73A4_PIN_IO_PU_PD(20), R8A73A4_PIN_IO_PU_PD(21),
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R8A73A4_PIN_IO_PU_PD(22), R8A73A4_PIN_IO_PU_PD(23),
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R8A73A4_PIN_IO_PU_PD(24), R8A73A4_PIN_IO_PU_PD(25),
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R8A73A4_PIN_IO_PU_PD(26), R8A73A4_PIN_IO_PU_PD(27),
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R8A73A4_PIN_IO_PU_PD(28), R8A73A4_PIN_IO_PU_PD(29),
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R8A73A4_PIN_IO_PU_PD(30),
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R8A73A4_PIN_IO_PU_PD(32), R8A73A4_PIN_IO_PU_PD(33),
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R8A73A4_PIN_IO_PU_PD(34), R8A73A4_PIN_IO_PU_PD(35),
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R8A73A4_PIN_IO_PU_PD(36), R8A73A4_PIN_IO_PU_PD(37),
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R8A73A4_PIN_IO_PU_PD(38), R8A73A4_PIN_IO_PU_PD(39),
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R8A73A4_PIN_IO_PU_PD(40),
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R8A73A4_PIN_IO_PU_PD(64), R8A73A4_PIN_IO_PU_PD(65),
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R8A73A4_PIN_IO_PU_PD(66), R8A73A4_PIN_IO_PU_PD(67),
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R8A73A4_PIN_IO_PU_PD(68), R8A73A4_PIN_IO_PU_PD(69),
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R8A73A4_PIN_IO_PU_PD(70), R8A73A4_PIN_IO_PU_PD(71),
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R8A73A4_PIN_IO_PU_PD(72), R8A73A4_PIN_IO_PU_PD(73),
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R8A73A4_PIN_O(74), R8A73A4_PIN_IO_PU_PD(75),
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R8A73A4_PIN_IO_PU_PD(76), R8A73A4_PIN_IO_PU_PD(77),
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R8A73A4_PIN_IO_PU_PD(78), R8A73A4_PIN_IO_PU_PD(79),
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R8A73A4_PIN_IO_PU_PD(80), R8A73A4_PIN_IO_PU_PD(81),
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R8A73A4_PIN_IO_PU_PD(82), R8A73A4_PIN_IO_PU_PD(83),
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R8A73A4_PIN_IO_PU_PD(84), R8A73A4_PIN_IO_PU_PD(85),
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R8A73A4_PIN_IO_PU_PD(96), R8A73A4_PIN_IO_PU_PD(97),
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R8A73A4_PIN_IO_PU_PD(98), R8A73A4_PIN_IO_PU_PD(99),
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R8A73A4_PIN_IO_PU_PD(100), R8A73A4_PIN_IO_PU_PD(101),
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R8A73A4_PIN_IO_PU_PD(102), R8A73A4_PIN_IO_PU_PD(103),
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R8A73A4_PIN_IO_PU_PD(104), R8A73A4_PIN_IO_PU_PD(105),
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R8A73A4_PIN_IO_PU_PD(106), R8A73A4_PIN_IO_PU_PD(107),
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R8A73A4_PIN_IO_PU_PD(108), R8A73A4_PIN_IO_PU_PD(109),
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R8A73A4_PIN_IO_PU_PD(110), R8A73A4_PIN_IO_PU_PD(111),
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R8A73A4_PIN_IO_PU_PD(112), R8A73A4_PIN_IO_PU_PD(113),
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R8A73A4_PIN_IO_PU_PD(114), R8A73A4_PIN_IO_PU_PD(115),
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R8A73A4_PIN_IO_PU_PD(116), R8A73A4_PIN_IO_PU_PD(117),
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R8A73A4_PIN_IO_PU_PD(118), R8A73A4_PIN_IO_PU_PD(119),
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R8A73A4_PIN_IO_PU_PD(120), R8A73A4_PIN_IO_PU_PD(121),
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R8A73A4_PIN_IO_PU_PD(122), R8A73A4_PIN_IO_PU_PD(123),
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R8A73A4_PIN_IO_PU_PD(124), R8A73A4_PIN_IO_PU_PD(125),
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R8A73A4_PIN_IO_PU_PD(126),
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R8A73A4_PIN_IO_PU_PD(128), R8A73A4_PIN_IO_PU_PD(129),
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R8A73A4_PIN_IO_PU_PD(130), R8A73A4_PIN_IO_PU_PD(131),
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R8A73A4_PIN_IO_PU_PD(132), R8A73A4_PIN_IO_PU_PD(133),
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R8A73A4_PIN_IO_PU_PD(134),
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R8A73A4_PIN_IO_PU_PD(160), R8A73A4_PIN_IO_PU_PD(161),
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R8A73A4_PIN_IO_PU_PD(162), R8A73A4_PIN_IO_PU_PD(163),
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R8A73A4_PIN_IO_PU_PD(164), R8A73A4_PIN_IO_PU_PD(165),
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R8A73A4_PIN_IO_PU_PD(166), R8A73A4_PIN_IO_PU_PD(167),
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R8A73A4_PIN_IO_PU_PD(168), R8A73A4_PIN_IO_PU_PD(169),
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R8A73A4_PIN_IO_PU_PD(170), R8A73A4_PIN_IO_PU_PD(171),
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R8A73A4_PIN_IO_PU_PD(172), R8A73A4_PIN_IO_PU_PD(173),
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R8A73A4_PIN_IO_PU_PD(174), R8A73A4_PIN_IO_PU_PD(175),
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R8A73A4_PIN_IO_PU_PD(176), R8A73A4_PIN_IO_PU_PD(177),
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R8A73A4_PIN_IO_PU_PD(178),
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R8A73A4_PIN_IO_PU_PD(192), R8A73A4_PIN_IO_PU_PD(193),
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R8A73A4_PIN_IO_PU_PD(194), R8A73A4_PIN_IO_PU_PD(195),
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R8A73A4_PIN_IO_PU_PD(196), R8A73A4_PIN_IO_PU_PD(197),
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R8A73A4_PIN_IO_PU_PD(198), R8A73A4_PIN_IO_PU_PD(199),
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R8A73A4_PIN_IO_PU_PD(200), R8A73A4_PIN_IO_PU_PD(201),
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R8A73A4_PIN_IO_PU_PD(202), R8A73A4_PIN_IO_PU_PD(203),
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R8A73A4_PIN_IO_PU_PD(204), R8A73A4_PIN_IO_PU_PD(205),
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R8A73A4_PIN_IO_PU_PD(206), R8A73A4_PIN_IO_PU_PD(207),
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R8A73A4_PIN_IO_PU_PD(208), R8A73A4_PIN_IO_PU_PD(209),
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R8A73A4_PIN_IO_PU_PD(210), R8A73A4_PIN_IO_PU_PD(211),
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R8A73A4_PIN_IO_PU_PD(212), R8A73A4_PIN_IO_PU_PD(213),
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R8A73A4_PIN_IO_PU_PD(214), R8A73A4_PIN_IO_PU_PD(215),
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R8A73A4_PIN_IO_PU_PD(216), R8A73A4_PIN_IO_PU_PD(217),
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R8A73A4_PIN_IO_PU_PD(218), R8A73A4_PIN_IO_PU_PD(219),
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R8A73A4_PIN_IO_PU_PD(220), R8A73A4_PIN_IO_PU_PD(221),
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R8A73A4_PIN_IO_PU_PD(222),
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R8A73A4_PIN_IO_PU_PD(224), R8A73A4_PIN_IO_PU_PD(225),
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R8A73A4_PIN_IO_PU_PD(226), R8A73A4_PIN_IO_PU_PD(227),
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R8A73A4_PIN_IO_PU_PD(228), R8A73A4_PIN_IO_PU_PD(229),
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R8A73A4_PIN_IO_PU_PD(230), R8A73A4_PIN_IO_PU_PD(231),
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R8A73A4_PIN_IO_PU_PD(232), R8A73A4_PIN_IO_PU_PD(233),
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R8A73A4_PIN_IO_PU_PD(234), R8A73A4_PIN_IO_PU_PD(235),
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R8A73A4_PIN_IO_PU_PD(236), R8A73A4_PIN_IO_PU_PD(237),
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R8A73A4_PIN_IO_PU_PD(238), R8A73A4_PIN_IO_PU_PD(239),
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R8A73A4_PIN_IO_PU_PD(240), R8A73A4_PIN_IO_PU_PD(241),
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R8A73A4_PIN_IO_PU_PD(242), R8A73A4_PIN_IO_PU_PD(243),
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R8A73A4_PIN_IO_PU_PD(244), R8A73A4_PIN_IO_PU_PD(245),
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R8A73A4_PIN_IO_PU_PD(246), R8A73A4_PIN_IO_PU_PD(247),
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R8A73A4_PIN_IO_PU_PD(248), R8A73A4_PIN_IO_PU_PD(249),
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R8A73A4_PIN_IO_PU_PD(250),
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R8A73A4_PIN_IO_PU_PD(256), R8A73A4_PIN_IO_PU_PD(257),
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R8A73A4_PIN_IO_PU_PD(258), R8A73A4_PIN_IO_PU_PD(259),
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R8A73A4_PIN_IO_PU_PD(260), R8A73A4_PIN_IO_PU_PD(261),
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R8A73A4_PIN_IO_PU_PD(262), R8A73A4_PIN_IO_PU_PD(263),
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R8A73A4_PIN_IO_PU_PD(264), R8A73A4_PIN_IO_PU_PD(265),
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R8A73A4_PIN_IO_PU_PD(266), R8A73A4_PIN_IO_PU_PD(267),
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R8A73A4_PIN_IO_PU_PD(268), R8A73A4_PIN_IO_PU_PD(269),
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R8A73A4_PIN_IO_PU_PD(270), R8A73A4_PIN_IO_PU_PD(271),
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R8A73A4_PIN_IO_PU_PD(272), R8A73A4_PIN_IO_PU_PD(273),
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R8A73A4_PIN_IO_PU_PD(274), R8A73A4_PIN_IO_PU_PD(275),
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R8A73A4_PIN_IO_PU_PD(276), R8A73A4_PIN_IO_PU_PD(277),
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R8A73A4_PIN_IO_PU_PD(278), R8A73A4_PIN_IO_PU_PD(279),
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R8A73A4_PIN_IO_PU_PD(280), R8A73A4_PIN_IO_PU_PD(281),
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R8A73A4_PIN_IO_PU_PD(282), R8A73A4_PIN_IO_PU_PD(283),
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R8A73A4_PIN_O(288), R8A73A4_PIN_IO_PU_PD(289),
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R8A73A4_PIN_IO_PU_PD(290), R8A73A4_PIN_IO_PU_PD(291),
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R8A73A4_PIN_IO_PU_PD(292), R8A73A4_PIN_IO_PU_PD(293),
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R8A73A4_PIN_IO_PU_PD(294), R8A73A4_PIN_IO_PU_PD(295),
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R8A73A4_PIN_IO_PU_PD(296), R8A73A4_PIN_IO_PU_PD(297),
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R8A73A4_PIN_IO_PU_PD(298), R8A73A4_PIN_IO_PU_PD(299),
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R8A73A4_PIN_IO_PU_PD(300), R8A73A4_PIN_IO_PU_PD(301),
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R8A73A4_PIN_IO_PU_PD(302), R8A73A4_PIN_IO_PU_PD(303),
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R8A73A4_PIN_IO_PU_PD(304), R8A73A4_PIN_IO_PU_PD(305),
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R8A73A4_PIN_IO_PU_PD(306), R8A73A4_PIN_IO_PU_PD(307),
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R8A73A4_PIN_IO_PU_PD(308),
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R8A73A4_PIN_IO_PU_PD(320), R8A73A4_PIN_IO_PU_PD(321),
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R8A73A4_PIN_IO_PU_PD(322), R8A73A4_PIN_IO_PU_PD(323),
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R8A73A4_PIN_IO_PU_PD(324), R8A73A4_PIN_IO_PU_PD(325),
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R8A73A4_PIN_IO_PU_PD(326), R8A73A4_PIN_IO_PU_PD(327),
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R8A73A4_PIN_IO_PU_PD(328), R8A73A4_PIN_IO_PU_PD(329),
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};
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static const struct pinmux_range pinmux_ranges[] = {
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@ -2878,8 +3016,65 @@ static const struct pinmux_irq pinmux_irqs[] = {
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PINMUX_IRQ(irq_pin(56), 328),
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PINMUX_IRQ(irq_pin(57), 329),
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};
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#define PORTCR_PULMD_OFF (0 << 6)
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#define PORTCR_PULMD_DOWN (2 << 6)
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#define PORTCR_PULMD_UP (3 << 6)
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#define PORTCR_PULMD_MASK (3 << 6)
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static const unsigned int r8a73a4_portcr_offsets[] = {
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0x00000000, 0x00001000, 0x00000000, 0x00001000,
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0x00001000, 0x00002000, 0x00002000, 0x00002000,
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0x00002000, 0x00003000, 0x00003000,
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};
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static unsigned int r8a73a4_pinmux_get_bias(struct sh_pfc *pfc,
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unsigned int pin)
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{
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void __iomem *addr;
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addr = pfc->window->virt + r8a73a4_portcr_offsets[pin >> 5] + pin;
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switch (ioread8(addr) & PORTCR_PULMD_MASK) {
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case PORTCR_PULMD_UP:
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return PIN_CONFIG_BIAS_PULL_UP;
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case PORTCR_PULMD_DOWN:
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return PIN_CONFIG_BIAS_PULL_DOWN;
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case PORTCR_PULMD_OFF:
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default:
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return PIN_CONFIG_BIAS_DISABLE;
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}
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}
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static void r8a73a4_pinmux_set_bias(struct sh_pfc *pfc, unsigned int pin,
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unsigned int bias)
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{
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void __iomem *addr;
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u32 value;
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addr = pfc->window->virt + r8a73a4_portcr_offsets[pin >> 5] + pin;
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value = ioread8(addr) & ~PORTCR_PULMD_MASK;
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switch (bias) {
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case PIN_CONFIG_BIAS_PULL_UP:
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value |= PORTCR_PULMD_UP;
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break;
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case PIN_CONFIG_BIAS_PULL_DOWN:
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value |= PORTCR_PULMD_DOWN;
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break;
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}
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iowrite8(value, addr);
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}
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static const struct sh_pfc_soc_operations r8a73a4_pinmux_ops = {
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.get_bias = r8a73a4_pinmux_get_bias,
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.set_bias = r8a73a4_pinmux_set_bias,
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};
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const struct sh_pfc_soc_info r8a73a4_pinmux_info = {
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.name = "r8a73a4_pfc",
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.ops = &r8a73a4_pinmux_ops,
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.input = { PINMUX_INPUT_BEGIN, PINMUX_INPUT_END },
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.input_pu = { PINMUX_INPUT_PULLUP_BEGIN, PINMUX_INPUT_PULLUP_END },
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