pinctrl: sh-pfc: r8a7778: Add bias (pull-up) pinconf support
On this SoC there is no simple mapping of GP pins to pull-up register bits, so we need a table. Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Ulrich Hecht
Geert Uytterhoeven
Родитель
22768fc60a
Коммит
ae7465a097
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@ -4,6 +4,7 @@
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* Copyright (C) 2013 Renesas Solutions Corp.
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* Copyright (C) 2013 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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* Copyright (C) 2013 Cogent Embedded, Inc.
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* Copyright (C) 2015 Ulrich Hecht
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*
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* based on
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* Copyright (C) 2011 Renesas Solutions Corp.
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@ -19,32 +20,38 @@
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* GNU General Public License for more details.
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*/
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#include <linux/platform_data/gpio-rcar.h>
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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 <linux/platform_data/gpio-rcar.h>
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#include "core.h"
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#include "sh_pfc.h"
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#define PORT_GP_27(bank, fn, sfx) \
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PORT_GP_1(bank, 0, fn, sfx), PORT_GP_1(bank, 1, fn, sfx), \
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PORT_GP_1(bank, 2, fn, sfx), PORT_GP_1(bank, 3, fn, sfx), \
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PORT_GP_1(bank, 4, fn, sfx), PORT_GP_1(bank, 5, fn, sfx), \
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PORT_GP_1(bank, 6, fn, sfx), PORT_GP_1(bank, 7, fn, sfx), \
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PORT_GP_1(bank, 8, fn, sfx), PORT_GP_1(bank, 9, fn, sfx), \
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PORT_GP_1(bank, 10, fn, sfx), PORT_GP_1(bank, 11, fn, sfx), \
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PORT_GP_1(bank, 12, fn, sfx), PORT_GP_1(bank, 13, fn, sfx), \
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PORT_GP_1(bank, 14, fn, sfx), PORT_GP_1(bank, 15, fn, sfx), \
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PORT_GP_1(bank, 16, fn, sfx), PORT_GP_1(bank, 17, fn, sfx), \
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PORT_GP_1(bank, 18, fn, sfx), PORT_GP_1(bank, 19, fn, sfx), \
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PORT_GP_1(bank, 20, fn, sfx), PORT_GP_1(bank, 21, fn, sfx), \
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PORT_GP_1(bank, 22, fn, sfx), PORT_GP_1(bank, 23, fn, sfx), \
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PORT_GP_1(bank, 24, fn, sfx), PORT_GP_1(bank, 25, fn, sfx), \
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PORT_GP_1(bank, 26, fn, sfx)
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#define PORT_GP_PUP_1(bank, pin, fn, sfx) \
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PORT_GP_CFG_1(bank, pin, fn, sfx, SH_PFC_PIN_CFG_PULL_UP)
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#define PORT_GP_PUP_27(bank, fn, sfx) \
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PORT_GP_PUP_1(bank, 0, fn, sfx), PORT_GP_PUP_1(bank, 1, fn, sfx), \
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PORT_GP_PUP_1(bank, 2, fn, sfx), PORT_GP_PUP_1(bank, 3, fn, sfx), \
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PORT_GP_PUP_1(bank, 4, fn, sfx), PORT_GP_PUP_1(bank, 5, fn, sfx), \
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PORT_GP_PUP_1(bank, 6, fn, sfx), PORT_GP_PUP_1(bank, 7, fn, sfx), \
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PORT_GP_PUP_1(bank, 8, fn, sfx), PORT_GP_PUP_1(bank, 9, fn, sfx), \
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PORT_GP_PUP_1(bank, 10, fn, sfx), PORT_GP_PUP_1(bank, 11, fn, sfx), \
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PORT_GP_PUP_1(bank, 12, fn, sfx), PORT_GP_PUP_1(bank, 13, fn, sfx), \
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PORT_GP_PUP_1(bank, 14, fn, sfx), PORT_GP_PUP_1(bank, 15, fn, sfx), \
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PORT_GP_PUP_1(bank, 16, fn, sfx), PORT_GP_PUP_1(bank, 17, fn, sfx), \
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PORT_GP_PUP_1(bank, 18, fn, sfx), PORT_GP_PUP_1(bank, 19, fn, sfx), \
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PORT_GP_PUP_1(bank, 20, fn, sfx), PORT_GP_PUP_1(bank, 21, fn, sfx), \
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PORT_GP_PUP_1(bank, 22, fn, sfx), PORT_GP_PUP_1(bank, 23, fn, sfx), \
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PORT_GP_PUP_1(bank, 24, fn, sfx), PORT_GP_PUP_1(bank, 25, fn, sfx), \
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PORT_GP_PUP_1(bank, 26, fn, sfx)
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#define CPU_ALL_PORT(fn, sfx) \
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PORT_GP_32(0, fn, sfx), \
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PORT_GP_32(1, fn, sfx), \
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PORT_GP_32(2, fn, sfx), \
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PORT_GP_32(3, fn, sfx), \
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PORT_GP_27(4, fn, sfx)
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PORT_GP_CFG_32(0, fn, sfx, SH_PFC_PIN_CFG_PULL_UP), \
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PORT_GP_CFG_32(1, fn, sfx, SH_PFC_PIN_CFG_PULL_UP), \
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PORT_GP_CFG_32(2, fn, sfx, SH_PFC_PIN_CFG_PULL_UP), \
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PORT_GP_CFG_32(3, fn, sfx, SH_PFC_PIN_CFG_PULL_UP), \
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PORT_GP_PUP_27(4, fn, sfx)
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enum {
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PINMUX_RESERVED = 0,
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@ -2905,8 +2912,222 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
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{ },
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};
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#define PUPR0 0x100
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#define PUPR1 0x104
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#define PUPR2 0x108
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#define PUPR3 0x10c
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#define PUPR4 0x110
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#define PUPR5 0x114
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static const struct {
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u16 reg : 11;
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u16 bit : 5;
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} pullups[] = {
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[RCAR_GP_PIN(0, 6)] = { PUPR0, 0 }, /* A0 */
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[RCAR_GP_PIN(0, 7)] = { PUPR0, 1 }, /* A1 */
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[RCAR_GP_PIN(0, 8)] = { PUPR0, 2 }, /* A2 */
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[RCAR_GP_PIN(0, 9)] = { PUPR0, 3 }, /* A3 */
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[RCAR_GP_PIN(0, 10)] = { PUPR0, 4 }, /* A4 */
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[RCAR_GP_PIN(0, 11)] = { PUPR0, 5 }, /* A5 */
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[RCAR_GP_PIN(0, 12)] = { PUPR0, 6 }, /* A6 */
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[RCAR_GP_PIN(0, 13)] = { PUPR0, 7 }, /* A7 */
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[RCAR_GP_PIN(0, 14)] = { PUPR0, 8 }, /* A8 */
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[RCAR_GP_PIN(0, 15)] = { PUPR0, 9 }, /* A9 */
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[RCAR_GP_PIN(0, 16)] = { PUPR0, 10 }, /* A10 */
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[RCAR_GP_PIN(0, 17)] = { PUPR0, 11 }, /* A11 */
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[RCAR_GP_PIN(0, 18)] = { PUPR0, 12 }, /* A12 */
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[RCAR_GP_PIN(0, 19)] = { PUPR0, 13 }, /* A13 */
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[RCAR_GP_PIN(0, 20)] = { PUPR0, 14 }, /* A14 */
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[RCAR_GP_PIN(0, 21)] = { PUPR0, 15 }, /* A15 */
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[RCAR_GP_PIN(0, 22)] = { PUPR0, 16 }, /* A16 */
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[RCAR_GP_PIN(0, 23)] = { PUPR0, 17 }, /* A17 */
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[RCAR_GP_PIN(0, 24)] = { PUPR0, 18 }, /* A18 */
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[RCAR_GP_PIN(0, 25)] = { PUPR0, 19 }, /* A19 */
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[RCAR_GP_PIN(0, 26)] = { PUPR0, 20 }, /* A20 */
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[RCAR_GP_PIN(0, 27)] = { PUPR0, 21 }, /* A21 */
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[RCAR_GP_PIN(0, 28)] = { PUPR0, 22 }, /* A22 */
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[RCAR_GP_PIN(0, 29)] = { PUPR0, 23 }, /* A23 */
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[RCAR_GP_PIN(0, 30)] = { PUPR0, 24 }, /* A24 */
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[RCAR_GP_PIN(0, 31)] = { PUPR0, 25 }, /* A25 */
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[RCAR_GP_PIN(1, 3)] = { PUPR0, 26 }, /* /EX_CS0 */
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[RCAR_GP_PIN(1, 4)] = { PUPR0, 27 }, /* /EX_CS1 */
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[RCAR_GP_PIN(1, 5)] = { PUPR0, 28 }, /* /EX_CS2 */
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[RCAR_GP_PIN(1, 6)] = { PUPR0, 29 }, /* /EX_CS3 */
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[RCAR_GP_PIN(1, 7)] = { PUPR0, 30 }, /* /EX_CS4 */
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[RCAR_GP_PIN(1, 8)] = { PUPR0, 31 }, /* /EX_CS5 */
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[RCAR_GP_PIN(0, 0)] = { PUPR1, 0 }, /* /PRESETOUT */
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[RCAR_GP_PIN(0, 5)] = { PUPR1, 1 }, /* /BS */
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[RCAR_GP_PIN(1, 0)] = { PUPR1, 2 }, /* RD//WR */
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[RCAR_GP_PIN(1, 1)] = { PUPR1, 3 }, /* /WE0 */
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[RCAR_GP_PIN(1, 2)] = { PUPR1, 4 }, /* /WE1 */
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[RCAR_GP_PIN(1, 11)] = { PUPR1, 5 }, /* EX_WAIT0 */
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[RCAR_GP_PIN(1, 9)] = { PUPR1, 6 }, /* DREQ0 */
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[RCAR_GP_PIN(1, 10)] = { PUPR1, 7 }, /* DACK0 */
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[RCAR_GP_PIN(1, 12)] = { PUPR1, 8 }, /* IRQ0 */
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[RCAR_GP_PIN(1, 13)] = { PUPR1, 9 }, /* IRQ1 */
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[RCAR_GP_PIN(1, 22)] = { PUPR2, 0 }, /* DU0_DR0 */
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[RCAR_GP_PIN(1, 23)] = { PUPR2, 1 }, /* DU0_DR1 */
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[RCAR_GP_PIN(1, 24)] = { PUPR2, 2 }, /* DU0_DR2 */
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[RCAR_GP_PIN(1, 25)] = { PUPR2, 3 }, /* DU0_DR3 */
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[RCAR_GP_PIN(1, 26)] = { PUPR2, 4 }, /* DU0_DR4 */
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[RCAR_GP_PIN(1, 27)] = { PUPR2, 5 }, /* DU0_DR5 */
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[RCAR_GP_PIN(1, 28)] = { PUPR2, 6 }, /* DU0_DR6 */
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[RCAR_GP_PIN(1, 29)] = { PUPR2, 7 }, /* DU0_DR7 */
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[RCAR_GP_PIN(1, 30)] = { PUPR2, 8 }, /* DU0_DG0 */
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[RCAR_GP_PIN(1, 31)] = { PUPR2, 9 }, /* DU0_DG1 */
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[RCAR_GP_PIN(2, 0)] = { PUPR2, 10 }, /* DU0_DG2 */
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[RCAR_GP_PIN(2, 1)] = { PUPR2, 11 }, /* DU0_DG3 */
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[RCAR_GP_PIN(2, 2)] = { PUPR2, 12 }, /* DU0_DG4 */
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[RCAR_GP_PIN(2, 3)] = { PUPR2, 13 }, /* DU0_DG5 */
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[RCAR_GP_PIN(2, 4)] = { PUPR2, 14 }, /* DU0_DG6 */
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[RCAR_GP_PIN(2, 5)] = { PUPR2, 15 }, /* DU0_DG7 */
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[RCAR_GP_PIN(2, 6)] = { PUPR2, 16 }, /* DU0_DB0 */
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[RCAR_GP_PIN(2, 7)] = { PUPR2, 17 }, /* DU0_DB1 */
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[RCAR_GP_PIN(2, 8)] = { PUPR2, 18 }, /* DU0_DB2 */
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[RCAR_GP_PIN(2, 9)] = { PUPR2, 19 }, /* DU0_DB3 */
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[RCAR_GP_PIN(2, 10)] = { PUPR2, 20 }, /* DU0_DB4 */
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[RCAR_GP_PIN(2, 11)] = { PUPR2, 21 }, /* DU0_DB5 */
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[RCAR_GP_PIN(2, 12)] = { PUPR2, 22 }, /* DU0_DB6 */
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[RCAR_GP_PIN(2, 13)] = { PUPR2, 23 }, /* DU0_DB7 */
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[RCAR_GP_PIN(2, 14)] = { PUPR2, 24 }, /* DU0_DOTCLKIN */
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[RCAR_GP_PIN(2, 15)] = { PUPR2, 25 }, /* DU0_DOTCLKOUT0 */
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[RCAR_GP_PIN(2, 17)] = { PUPR2, 26 }, /* DU0_HSYNC */
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[RCAR_GP_PIN(2, 18)] = { PUPR2, 27 }, /* DU0_VSYNC */
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[RCAR_GP_PIN(2, 19)] = { PUPR2, 28 }, /* DU0_EXODDF */
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[RCAR_GP_PIN(2, 20)] = { PUPR2, 29 }, /* DU0_DISP */
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[RCAR_GP_PIN(2, 21)] = { PUPR2, 30 }, /* DU0_CDE */
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[RCAR_GP_PIN(2, 16)] = { PUPR2, 31 }, /* DU0_DOTCLKOUT1 */
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[RCAR_GP_PIN(3, 24)] = { PUPR3, 0 }, /* VI0_CLK */
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[RCAR_GP_PIN(3, 25)] = { PUPR3, 1 }, /* VI0_CLKENB */
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[RCAR_GP_PIN(3, 26)] = { PUPR3, 2 }, /* VI0_FIELD */
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[RCAR_GP_PIN(3, 27)] = { PUPR3, 3 }, /* /VI0_HSYNC */
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[RCAR_GP_PIN(3, 28)] = { PUPR3, 4 }, /* /VI0_VSYNC */
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[RCAR_GP_PIN(3, 29)] = { PUPR3, 5 }, /* VI0_DATA0 */
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[RCAR_GP_PIN(3, 30)] = { PUPR3, 6 }, /* VI0_DATA1 */
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[RCAR_GP_PIN(3, 31)] = { PUPR3, 7 }, /* VI0_DATA2 */
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[RCAR_GP_PIN(4, 0)] = { PUPR3, 8 }, /* VI0_DATA3 */
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[RCAR_GP_PIN(4, 1)] = { PUPR3, 9 }, /* VI0_DATA4 */
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[RCAR_GP_PIN(4, 2)] = { PUPR3, 10 }, /* VI0_DATA5 */
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[RCAR_GP_PIN(4, 3)] = { PUPR3, 11 }, /* VI0_DATA6 */
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[RCAR_GP_PIN(4, 4)] = { PUPR3, 12 }, /* VI0_DATA7 */
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[RCAR_GP_PIN(4, 5)] = { PUPR3, 13 }, /* VI0_G2 */
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[RCAR_GP_PIN(4, 6)] = { PUPR3, 14 }, /* VI0_G3 */
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[RCAR_GP_PIN(4, 7)] = { PUPR3, 15 }, /* VI0_G4 */
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[RCAR_GP_PIN(4, 8)] = { PUPR3, 16 }, /* VI0_G5 */
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[RCAR_GP_PIN(4, 21)] = { PUPR3, 17 }, /* VI1_DATA12 */
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[RCAR_GP_PIN(4, 22)] = { PUPR3, 18 }, /* VI1_DATA13 */
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[RCAR_GP_PIN(4, 23)] = { PUPR3, 19 }, /* VI1_DATA14 */
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[RCAR_GP_PIN(4, 24)] = { PUPR3, 20 }, /* VI1_DATA15 */
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[RCAR_GP_PIN(4, 9)] = { PUPR3, 21 }, /* ETH_REF_CLK */
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[RCAR_GP_PIN(4, 10)] = { PUPR3, 22 }, /* ETH_TXD0 */
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[RCAR_GP_PIN(4, 11)] = { PUPR3, 23 }, /* ETH_TXD1 */
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[RCAR_GP_PIN(4, 12)] = { PUPR3, 24 }, /* ETH_CRS_DV */
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[RCAR_GP_PIN(4, 13)] = { PUPR3, 25 }, /* ETH_TX_EN */
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[RCAR_GP_PIN(4, 14)] = { PUPR3, 26 }, /* ETH_RX_ER */
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[RCAR_GP_PIN(4, 15)] = { PUPR3, 27 }, /* ETH_RXD0 */
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[RCAR_GP_PIN(4, 16)] = { PUPR3, 28 }, /* ETH_RXD1 */
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[RCAR_GP_PIN(4, 17)] = { PUPR3, 29 }, /* ETH_MDC */
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[RCAR_GP_PIN(4, 18)] = { PUPR3, 30 }, /* ETH_MDIO */
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[RCAR_GP_PIN(4, 19)] = { PUPR3, 31 }, /* ETH_LINK */
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[RCAR_GP_PIN(3, 6)] = { PUPR4, 0 }, /* SSI_SCK012 */
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[RCAR_GP_PIN(3, 7)] = { PUPR4, 1 }, /* SSI_WS012 */
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[RCAR_GP_PIN(3, 10)] = { PUPR4, 2 }, /* SSI_SDATA0 */
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[RCAR_GP_PIN(3, 9)] = { PUPR4, 3 }, /* SSI_SDATA1 */
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[RCAR_GP_PIN(3, 8)] = { PUPR4, 4 }, /* SSI_SDATA2 */
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[RCAR_GP_PIN(3, 2)] = { PUPR4, 5 }, /* SSI_SCK34 */
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[RCAR_GP_PIN(3, 3)] = { PUPR4, 6 }, /* SSI_WS34 */
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[RCAR_GP_PIN(3, 5)] = { PUPR4, 7 }, /* SSI_SDATA3 */
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[RCAR_GP_PIN(3, 4)] = { PUPR4, 8 }, /* SSI_SDATA4 */
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[RCAR_GP_PIN(2, 31)] = { PUPR4, 9 }, /* SSI_SCK5 */
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[RCAR_GP_PIN(3, 0)] = { PUPR4, 10 }, /* SSI_WS5 */
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[RCAR_GP_PIN(3, 1)] = { PUPR4, 11 }, /* SSI_SDATA5 */
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[RCAR_GP_PIN(2, 28)] = { PUPR4, 12 }, /* SSI_SCK6 */
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[RCAR_GP_PIN(2, 29)] = { PUPR4, 13 }, /* SSI_WS6 */
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[RCAR_GP_PIN(2, 30)] = { PUPR4, 14 }, /* SSI_SDATA6 */
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[RCAR_GP_PIN(2, 24)] = { PUPR4, 15 }, /* SSI_SCK78 */
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[RCAR_GP_PIN(2, 25)] = { PUPR4, 16 }, /* SSI_WS78 */
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[RCAR_GP_PIN(2, 27)] = { PUPR4, 17 }, /* SSI_SDATA7 */
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[RCAR_GP_PIN(2, 26)] = { PUPR4, 18 }, /* SSI_SDATA8 */
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[RCAR_GP_PIN(3, 23)] = { PUPR4, 19 }, /* TCLK0 */
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[RCAR_GP_PIN(3, 11)] = { PUPR4, 20 }, /* SD0_CLK */
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[RCAR_GP_PIN(3, 12)] = { PUPR4, 21 }, /* SD0_CMD */
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[RCAR_GP_PIN(3, 13)] = { PUPR4, 22 }, /* SD0_DAT0 */
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[RCAR_GP_PIN(3, 14)] = { PUPR4, 23 }, /* SD0_DAT1 */
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[RCAR_GP_PIN(3, 15)] = { PUPR4, 24 }, /* SD0_DAT2 */
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[RCAR_GP_PIN(3, 16)] = { PUPR4, 25 }, /* SD0_DAT3 */
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[RCAR_GP_PIN(3, 17)] = { PUPR4, 26 }, /* SD0_CD */
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[RCAR_GP_PIN(3, 18)] = { PUPR4, 27 }, /* SD0_WP */
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[RCAR_GP_PIN(2, 22)] = { PUPR4, 28 }, /* AUDIO_CLKA */
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[RCAR_GP_PIN(2, 23)] = { PUPR4, 29 }, /* AUDIO_CLKB */
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[RCAR_GP_PIN(1, 14)] = { PUPR4, 30 }, /* IRQ2 */
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[RCAR_GP_PIN(1, 15)] = { PUPR4, 31 }, /* IRQ3 */
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[RCAR_GP_PIN(0, 1)] = { PUPR5, 0 }, /* PENC0 */
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[RCAR_GP_PIN(0, 2)] = { PUPR5, 1 }, /* PENC1 */
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[RCAR_GP_PIN(0, 3)] = { PUPR5, 2 }, /* USB_OVC0 */
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[RCAR_GP_PIN(0, 4)] = { PUPR5, 3 }, /* USB_OVC1 */
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[RCAR_GP_PIN(1, 16)] = { PUPR5, 4 }, /* SCIF_CLK */
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[RCAR_GP_PIN(1, 17)] = { PUPR5, 5 }, /* TX0 */
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[RCAR_GP_PIN(1, 18)] = { PUPR5, 6 }, /* RX0 */
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[RCAR_GP_PIN(1, 19)] = { PUPR5, 7 }, /* SCK0 */
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[RCAR_GP_PIN(1, 20)] = { PUPR5, 8 }, /* /CTS0 */
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[RCAR_GP_PIN(1, 21)] = { PUPR5, 9 }, /* /RTS0 */
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[RCAR_GP_PIN(3, 19)] = { PUPR5, 10 }, /* HSPI_CLK0 */
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[RCAR_GP_PIN(3, 20)] = { PUPR5, 11 }, /* /HSPI_CS0 */
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[RCAR_GP_PIN(3, 21)] = { PUPR5, 12 }, /* HSPI_RX0 */
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[RCAR_GP_PIN(3, 22)] = { PUPR5, 13 }, /* HSPI_TX0 */
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[RCAR_GP_PIN(4, 20)] = { PUPR5, 14 }, /* ETH_MAGIC */
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[RCAR_GP_PIN(4, 25)] = { PUPR5, 15 }, /* AVS1 */
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[RCAR_GP_PIN(4, 26)] = { PUPR5, 16 }, /* AVS2 */
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};
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static unsigned int r8a7778_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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if (WARN_ON_ONCE(!pullups[pin].reg))
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return PIN_CONFIG_BIAS_DISABLE;
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addr = pfc->windows->virt + pullups[pin].reg;
|
||||
|
||||
if (ioread32(addr) & BIT(pullups[pin].bit))
|
||||
return PIN_CONFIG_BIAS_PULL_UP;
|
||||
else
|
||||
return PIN_CONFIG_BIAS_DISABLE;
|
||||
}
|
||||
|
||||
static void r8a7778_pinmux_set_bias(struct sh_pfc *pfc, unsigned int pin,
|
||||
unsigned int bias)
|
||||
{
|
||||
void __iomem *addr;
|
||||
u32 value;
|
||||
u32 bit;
|
||||
|
||||
if (WARN_ON_ONCE(!pullups[pin].reg))
|
||||
return;
|
||||
|
||||
addr = pfc->windows->virt + pullups[pin].reg;
|
||||
bit = BIT(pullups[pin].bit);
|
||||
|
||||
value = ioread32(addr) & ~bit;
|
||||
if (bias == PIN_CONFIG_BIAS_PULL_UP)
|
||||
value |= bit;
|
||||
iowrite32(value, addr);
|
||||
}
|
||||
|
||||
static const struct sh_pfc_soc_operations r8a7778_pfc_ops = {
|
||||
.get_bias = r8a7778_pinmux_get_bias,
|
||||
.set_bias = r8a7778_pinmux_set_bias,
|
||||
};
|
||||
|
||||
const struct sh_pfc_soc_info r8a7778_pinmux_info = {
|
||||
.name = "r8a7778_pfc",
|
||||
.ops = &r8a7778_pfc_ops,
|
||||
|
||||
.unlock_reg = 0xfffc0000, /* PMMR */
|
||||
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче