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linux/drivers/pinctrl/pinctrl-imx28.c
Shawn Guo c43ba80082 pinctrl: mxs: register driver at postcore_initcall time 
It's not so usual, but there are still some cases which require pinctrl
driver function at arch_initcall time.  So register imx23 and imx28
pinctrl driver at postcore_initcall time.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-08-05 00:24:15 +02:00

422 lines
11 KiB
C
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/*
* Copyright 2012 Freescale Semiconductor, Inc.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/pinctrl/pinctrl.h>
#include "pinctrl-mxs.h"
enum imx28_pin_enum {
GPMI_D00 = PINID(0, 0),
GPMI_D01 = PINID(0, 1),
GPMI_D02 = PINID(0, 2),
GPMI_D03 = PINID(0, 3),
GPMI_D04 = PINID(0, 4),
GPMI_D05 = PINID(0, 5),
GPMI_D06 = PINID(0, 6),
GPMI_D07 = PINID(0, 7),
GPMI_CE0N = PINID(0, 16),
GPMI_CE1N = PINID(0, 17),
GPMI_CE2N = PINID(0, 18),
GPMI_CE3N = PINID(0, 19),
GPMI_RDY0 = PINID(0, 20),
GPMI_RDY1 = PINID(0, 21),
GPMI_RDY2 = PINID(0, 22),
GPMI_RDY3 = PINID(0, 23),
GPMI_RDN = PINID(0, 24),
GPMI_WRN = PINID(0, 25),
GPMI_ALE = PINID(0, 26),
GPMI_CLE = PINID(0, 27),
GPMI_RESETN = PINID(0, 28),
LCD_D00 = PINID(1, 0),
LCD_D01 = PINID(1, 1),
LCD_D02 = PINID(1, 2),
LCD_D03 = PINID(1, 3),
LCD_D04 = PINID(1, 4),
LCD_D05 = PINID(1, 5),
LCD_D06 = PINID(1, 6),
LCD_D07 = PINID(1, 7),
LCD_D08 = PINID(1, 8),
LCD_D09 = PINID(1, 9),
LCD_D10 = PINID(1, 10),
LCD_D11 = PINID(1, 11),
LCD_D12 = PINID(1, 12),
LCD_D13 = PINID(1, 13),
LCD_D14 = PINID(1, 14),
LCD_D15 = PINID(1, 15),
LCD_D16 = PINID(1, 16),
LCD_D17 = PINID(1, 17),
LCD_D18 = PINID(1, 18),
LCD_D19 = PINID(1, 19),
LCD_D20 = PINID(1, 20),
LCD_D21 = PINID(1, 21),
LCD_D22 = PINID(1, 22),
LCD_D23 = PINID(1, 23),
LCD_RD_E = PINID(1, 24),
LCD_WR_RWN = PINID(1, 25),
LCD_RS = PINID(1, 26),
LCD_CS = PINID(1, 27),
LCD_VSYNC = PINID(1, 28),
LCD_HSYNC = PINID(1, 29),
LCD_DOTCLK = PINID(1, 30),
LCD_ENABLE = PINID(1, 31),
SSP0_DATA0 = PINID(2, 0),
SSP0_DATA1 = PINID(2, 1),
SSP0_DATA2 = PINID(2, 2),
SSP0_DATA3 = PINID(2, 3),
SSP0_DATA4 = PINID(2, 4),
SSP0_DATA5 = PINID(2, 5),
SSP0_DATA6 = PINID(2, 6),
SSP0_DATA7 = PINID(2, 7),
SSP0_CMD = PINID(2, 8),
SSP0_DETECT = PINID(2, 9),
SSP0_SCK = PINID(2, 10),
SSP1_SCK = PINID(2, 12),
SSP1_CMD = PINID(2, 13),
SSP1_DATA0 = PINID(2, 14),
SSP1_DATA3 = PINID(2, 15),
SSP2_SCK = PINID(2, 16),
SSP2_MOSI = PINID(2, 17),
SSP2_MISO = PINID(2, 18),
SSP2_SS0 = PINID(2, 19),
SSP2_SS1 = PINID(2, 20),
SSP2_SS2 = PINID(2, 21),
SSP3_SCK = PINID(2, 24),
SSP3_MOSI = PINID(2, 25),
SSP3_MISO = PINID(2, 26),
SSP3_SS0 = PINID(2, 27),
AUART0_RX = PINID(3, 0),
AUART0_TX = PINID(3, 1),
AUART0_CTS = PINID(3, 2),
AUART0_RTS = PINID(3, 3),
AUART1_RX = PINID(3, 4),
AUART1_TX = PINID(3, 5),
AUART1_CTS = PINID(3, 6),
AUART1_RTS = PINID(3, 7),
AUART2_RX = PINID(3, 8),
AUART2_TX = PINID(3, 9),
AUART2_CTS = PINID(3, 10),
AUART2_RTS = PINID(3, 11),
AUART3_RX = PINID(3, 12),
AUART3_TX = PINID(3, 13),
AUART3_CTS = PINID(3, 14),
AUART3_RTS = PINID(3, 15),
PWM0 = PINID(3, 16),
PWM1 = PINID(3, 17),
PWM2 = PINID(3, 18),
SAIF0_MCLK = PINID(3, 20),
SAIF0_LRCLK = PINID(3, 21),
SAIF0_BITCLK = PINID(3, 22),
SAIF0_SDATA0 = PINID(3, 23),
I2C0_SCL = PINID(3, 24),
I2C0_SDA = PINID(3, 25),
SAIF1_SDATA0 = PINID(3, 26),
SPDIF = PINID(3, 27),
PWM3 = PINID(3, 28),
PWM4 = PINID(3, 29),
LCD_RESET = PINID(3, 30),
ENET0_MDC = PINID(4, 0),
ENET0_MDIO = PINID(4, 1),
ENET0_RX_EN = PINID(4, 2),
ENET0_RXD0 = PINID(4, 3),
ENET0_RXD1 = PINID(4, 4),
ENET0_TX_CLK = PINID(4, 5),
ENET0_TX_EN = PINID(4, 6),
ENET0_TXD0 = PINID(4, 7),
ENET0_TXD1 = PINID(4, 8),
ENET0_RXD2 = PINID(4, 9),
ENET0_RXD3 = PINID(4, 10),
ENET0_TXD2 = PINID(4, 11),
ENET0_TXD3 = PINID(4, 12),
ENET0_RX_CLK = PINID(4, 13),
ENET0_COL = PINID(4, 14),
ENET0_CRS = PINID(4, 15),
ENET_CLK = PINID(4, 16),
JTAG_RTCK = PINID(4, 20),
EMI_D00 = PINID(5, 0),
EMI_D01 = PINID(5, 1),
EMI_D02 = PINID(5, 2),
EMI_D03 = PINID(5, 3),
EMI_D04 = PINID(5, 4),
EMI_D05 = PINID(5, 5),
EMI_D06 = PINID(5, 6),
EMI_D07 = PINID(5, 7),
EMI_D08 = PINID(5, 8),
EMI_D09 = PINID(5, 9),
EMI_D10 = PINID(5, 10),
EMI_D11 = PINID(5, 11),
EMI_D12 = PINID(5, 12),
EMI_D13 = PINID(5, 13),
EMI_D14 = PINID(5, 14),
EMI_D15 = PINID(5, 15),
EMI_ODT0 = PINID(5, 16),
EMI_DQM0 = PINID(5, 17),
EMI_ODT1 = PINID(5, 18),
EMI_DQM1 = PINID(5, 19),
EMI_DDR_OPEN_FB = PINID(5, 20),
EMI_CLK = PINID(5, 21),
EMI_DQS0 = PINID(5, 22),
EMI_DQS1 = PINID(5, 23),
EMI_DDR_OPEN = PINID(5, 26),
EMI_A00 = PINID(6, 0),
EMI_A01 = PINID(6, 1),
EMI_A02 = PINID(6, 2),
EMI_A03 = PINID(6, 3),
EMI_A04 = PINID(6, 4),
EMI_A05 = PINID(6, 5),
EMI_A06 = PINID(6, 6),
EMI_A07 = PINID(6, 7),
EMI_A08 = PINID(6, 8),
EMI_A09 = PINID(6, 9),
EMI_A10 = PINID(6, 10),
EMI_A11 = PINID(6, 11),
EMI_A12 = PINID(6, 12),
EMI_A13 = PINID(6, 13),
EMI_A14 = PINID(6, 14),
EMI_BA0 = PINID(6, 16),
EMI_BA1 = PINID(6, 17),
EMI_BA2 = PINID(6, 18),
EMI_CASN = PINID(6, 19),
EMI_RASN = PINID(6, 20),
EMI_WEN = PINID(6, 21),
EMI_CE0N = PINID(6, 22),
EMI_CE1N = PINID(6, 23),
EMI_CKE = PINID(6, 24),
};
static const struct pinctrl_pin_desc imx28_pins[] = {
MXS_PINCTRL_PIN(GPMI_D00),
MXS_PINCTRL_PIN(GPMI_D01),
MXS_PINCTRL_PIN(GPMI_D02),
MXS_PINCTRL_PIN(GPMI_D03),
MXS_PINCTRL_PIN(GPMI_D04),
MXS_PINCTRL_PIN(GPMI_D05),
MXS_PINCTRL_PIN(GPMI_D06),
MXS_PINCTRL_PIN(GPMI_D07),
MXS_PINCTRL_PIN(GPMI_CE0N),
MXS_PINCTRL_PIN(GPMI_CE1N),
MXS_PINCTRL_PIN(GPMI_CE2N),
MXS_PINCTRL_PIN(GPMI_CE3N),
MXS_PINCTRL_PIN(GPMI_RDY0),
MXS_PINCTRL_PIN(GPMI_RDY1),
MXS_PINCTRL_PIN(GPMI_RDY2),
MXS_PINCTRL_PIN(GPMI_RDY3),
MXS_PINCTRL_PIN(GPMI_RDN),
MXS_PINCTRL_PIN(GPMI_WRN),
MXS_PINCTRL_PIN(GPMI_ALE),
MXS_PINCTRL_PIN(GPMI_CLE),
MXS_PINCTRL_PIN(GPMI_RESETN),
MXS_PINCTRL_PIN(LCD_D00),
MXS_PINCTRL_PIN(LCD_D01),
MXS_PINCTRL_PIN(LCD_D02),
MXS_PINCTRL_PIN(LCD_D03),
MXS_PINCTRL_PIN(LCD_D04),
MXS_PINCTRL_PIN(LCD_D05),
MXS_PINCTRL_PIN(LCD_D06),
MXS_PINCTRL_PIN(LCD_D07),
MXS_PINCTRL_PIN(LCD_D08),
MXS_PINCTRL_PIN(LCD_D09),
MXS_PINCTRL_PIN(LCD_D10),
MXS_PINCTRL_PIN(LCD_D11),
MXS_PINCTRL_PIN(LCD_D12),
MXS_PINCTRL_PIN(LCD_D13),
MXS_PINCTRL_PIN(LCD_D14),
MXS_PINCTRL_PIN(LCD_D15),
MXS_PINCTRL_PIN(LCD_D16),
MXS_PINCTRL_PIN(LCD_D17),
MXS_PINCTRL_PIN(LCD_D18),
MXS_PINCTRL_PIN(LCD_D19),
MXS_PINCTRL_PIN(LCD_D20),
MXS_PINCTRL_PIN(LCD_D21),
MXS_PINCTRL_PIN(LCD_D22),
MXS_PINCTRL_PIN(LCD_D23),
MXS_PINCTRL_PIN(LCD_RD_E),
MXS_PINCTRL_PIN(LCD_WR_RWN),
MXS_PINCTRL_PIN(LCD_RS),
MXS_PINCTRL_PIN(LCD_CS),
MXS_PINCTRL_PIN(LCD_VSYNC),
MXS_PINCTRL_PIN(LCD_HSYNC),
MXS_PINCTRL_PIN(LCD_DOTCLK),
MXS_PINCTRL_PIN(LCD_ENABLE),
MXS_PINCTRL_PIN(SSP0_DATA0),
MXS_PINCTRL_PIN(SSP0_DATA1),
MXS_PINCTRL_PIN(SSP0_DATA2),
MXS_PINCTRL_PIN(SSP0_DATA3),
MXS_PINCTRL_PIN(SSP0_DATA4),
MXS_PINCTRL_PIN(SSP0_DATA5),
MXS_PINCTRL_PIN(SSP0_DATA6),
MXS_PINCTRL_PIN(SSP0_DATA7),
MXS_PINCTRL_PIN(SSP0_CMD),
MXS_PINCTRL_PIN(SSP0_DETECT),
MXS_PINCTRL_PIN(SSP0_SCK),
MXS_PINCTRL_PIN(SSP1_SCK),
MXS_PINCTRL_PIN(SSP1_CMD),
MXS_PINCTRL_PIN(SSP1_DATA0),
MXS_PINCTRL_PIN(SSP1_DATA3),
MXS_PINCTRL_PIN(SSP2_SCK),
MXS_PINCTRL_PIN(SSP2_MOSI),
MXS_PINCTRL_PIN(SSP2_MISO),
MXS_PINCTRL_PIN(SSP2_SS0),
MXS_PINCTRL_PIN(SSP2_SS1),
MXS_PINCTRL_PIN(SSP2_SS2),
MXS_PINCTRL_PIN(SSP3_SCK),
MXS_PINCTRL_PIN(SSP3_MOSI),
MXS_PINCTRL_PIN(SSP3_MISO),
MXS_PINCTRL_PIN(SSP3_SS0),
MXS_PINCTRL_PIN(AUART0_RX),
MXS_PINCTRL_PIN(AUART0_TX),
MXS_PINCTRL_PIN(AUART0_CTS),
MXS_PINCTRL_PIN(AUART0_RTS),
MXS_PINCTRL_PIN(AUART1_RX),
MXS_PINCTRL_PIN(AUART1_TX),
MXS_PINCTRL_PIN(AUART1_CTS),
MXS_PINCTRL_PIN(AUART1_RTS),
MXS_PINCTRL_PIN(AUART2_RX),
MXS_PINCTRL_PIN(AUART2_TX),
MXS_PINCTRL_PIN(AUART2_CTS),
MXS_PINCTRL_PIN(AUART2_RTS),
MXS_PINCTRL_PIN(AUART3_RX),
MXS_PINCTRL_PIN(AUART3_TX),
MXS_PINCTRL_PIN(AUART3_CTS),
MXS_PINCTRL_PIN(AUART3_RTS),
MXS_PINCTRL_PIN(PWM0),
MXS_PINCTRL_PIN(PWM1),
MXS_PINCTRL_PIN(PWM2),
MXS_PINCTRL_PIN(SAIF0_MCLK),
MXS_PINCTRL_PIN(SAIF0_LRCLK),
MXS_PINCTRL_PIN(SAIF0_BITCLK),
MXS_PINCTRL_PIN(SAIF0_SDATA0),
MXS_PINCTRL_PIN(I2C0_SCL),
MXS_PINCTRL_PIN(I2C0_SDA),
MXS_PINCTRL_PIN(SAIF1_SDATA0),
MXS_PINCTRL_PIN(SPDIF),
MXS_PINCTRL_PIN(PWM3),
MXS_PINCTRL_PIN(PWM4),
MXS_PINCTRL_PIN(LCD_RESET),
MXS_PINCTRL_PIN(ENET0_MDC),
MXS_PINCTRL_PIN(ENET0_MDIO),
MXS_PINCTRL_PIN(ENET0_RX_EN),
MXS_PINCTRL_PIN(ENET0_RXD0),
MXS_PINCTRL_PIN(ENET0_RXD1),
MXS_PINCTRL_PIN(ENET0_TX_CLK),
MXS_PINCTRL_PIN(ENET0_TX_EN),
MXS_PINCTRL_PIN(ENET0_TXD0),
MXS_PINCTRL_PIN(ENET0_TXD1),
MXS_PINCTRL_PIN(ENET0_RXD2),
MXS_PINCTRL_PIN(ENET0_RXD3),
MXS_PINCTRL_PIN(ENET0_TXD2),
MXS_PINCTRL_PIN(ENET0_TXD3),
MXS_PINCTRL_PIN(ENET0_RX_CLK),
MXS_PINCTRL_PIN(ENET0_COL),
MXS_PINCTRL_PIN(ENET0_CRS),
MXS_PINCTRL_PIN(ENET_CLK),
MXS_PINCTRL_PIN(JTAG_RTCK),
MXS_PINCTRL_PIN(EMI_D00),
MXS_PINCTRL_PIN(EMI_D01),
MXS_PINCTRL_PIN(EMI_D02),
MXS_PINCTRL_PIN(EMI_D03),
MXS_PINCTRL_PIN(EMI_D04),
MXS_PINCTRL_PIN(EMI_D05),
MXS_PINCTRL_PIN(EMI_D06),
MXS_PINCTRL_PIN(EMI_D07),
MXS_PINCTRL_PIN(EMI_D08),
MXS_PINCTRL_PIN(EMI_D09),
MXS_PINCTRL_PIN(EMI_D10),
MXS_PINCTRL_PIN(EMI_D11),
MXS_PINCTRL_PIN(EMI_D12),
MXS_PINCTRL_PIN(EMI_D13),
MXS_PINCTRL_PIN(EMI_D14),
MXS_PINCTRL_PIN(EMI_D15),
MXS_PINCTRL_PIN(EMI_ODT0),
MXS_PINCTRL_PIN(EMI_DQM0),
MXS_PINCTRL_PIN(EMI_ODT1),
MXS_PINCTRL_PIN(EMI_DQM1),
MXS_PINCTRL_PIN(EMI_DDR_OPEN_FB),
MXS_PINCTRL_PIN(EMI_CLK),
MXS_PINCTRL_PIN(EMI_DQS0),
MXS_PINCTRL_PIN(EMI_DQS1),
MXS_PINCTRL_PIN(EMI_DDR_OPEN),
MXS_PINCTRL_PIN(EMI_A00),
MXS_PINCTRL_PIN(EMI_A01),
MXS_PINCTRL_PIN(EMI_A02),
MXS_PINCTRL_PIN(EMI_A03),
MXS_PINCTRL_PIN(EMI_A04),
MXS_PINCTRL_PIN(EMI_A05),
MXS_PINCTRL_PIN(EMI_A06),
MXS_PINCTRL_PIN(EMI_A07),
MXS_PINCTRL_PIN(EMI_A08),
MXS_PINCTRL_PIN(EMI_A09),
MXS_PINCTRL_PIN(EMI_A10),
MXS_PINCTRL_PIN(EMI_A11),
MXS_PINCTRL_PIN(EMI_A12),
MXS_PINCTRL_PIN(EMI_A13),
MXS_PINCTRL_PIN(EMI_A14),
MXS_PINCTRL_PIN(EMI_BA0),
MXS_PINCTRL_PIN(EMI_BA1),
MXS_PINCTRL_PIN(EMI_BA2),
MXS_PINCTRL_PIN(EMI_CASN),
MXS_PINCTRL_PIN(EMI_RASN),
MXS_PINCTRL_PIN(EMI_WEN),
MXS_PINCTRL_PIN(EMI_CE0N),
MXS_PINCTRL_PIN(EMI_CE1N),
MXS_PINCTRL_PIN(EMI_CKE),
};
static struct mxs_regs imx28_regs = {
.muxsel = 0x100,
.drive = 0x300,
.pull = 0x600,
};
static struct mxs_pinctrl_soc_data imx28_pinctrl_data = {
.regs = &imx28_regs,
.pins = imx28_pins,
.npins = ARRAY_SIZE(imx28_pins),
};
static int __devinit imx28_pinctrl_probe(struct platform_device *pdev)
{
return mxs_pinctrl_probe(pdev, &imx28_pinctrl_data);
}
static struct of_device_id imx28_pinctrl_of_match[] __devinitdata = {
{ .compatible = "fsl,imx28-pinctrl", },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, imx28_pinctrl_of_match);
static struct platform_driver imx28_pinctrl_driver = {
.driver = {
.name = "imx28-pinctrl",
.owner = THIS_MODULE,
.of_match_table = imx28_pinctrl_of_match,
},
.probe = imx28_pinctrl_probe,
.remove = __devexit_p(mxs_pinctrl_remove),
};
static int __init imx28_pinctrl_init(void)
{
return platform_driver_register(&imx28_pinctrl_driver);
}
postcore_initcall(imx28_pinctrl_init);
static void __exit imx28_pinctrl_exit(void)
{
platform_driver_unregister(&imx28_pinctrl_driver);
}
module_exit(imx28_pinctrl_exit);
MODULE_AUTHOR("Shawn Guo <shawn.guo@linaro.org>");
MODULE_DESCRIPTION("Freescale i.MX28 pinctrl driver");
MODULE_LICENSE("GPL v2");
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