diff options
| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/fsl,imx25-pinctrl.txt | 23 | ||||
| -rw-r--r-- | drivers/pinctrl/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/pinctrl/Makefile | 1 | ||||
| -rw-r--r-- | drivers/pinctrl/pinctrl-imx25.c | 351 |
4 files changed, 384 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx25-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/fsl,imx25-pinctrl.txt new file mode 100644 index 000000000000..fd653bde18d5 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx25-pinctrl.txt @@ -0,0 +1,23 @@ +* Freescale IMX25 IOMUX Controller + +Please refer to fsl,imx-pinctrl.txt in this directory for common binding part +and usage. + +CONFIG bits definition: +PAD_CTL_HYS (1 << 8) +PAD_CTL_PKE (1 << 7) +PAD_CTL_PUE (1 << 6) +PAD_CTL_PUS_100K_DOWN (0 << 4) +PAD_CTL_PUS_47K_UP (1 << 4) +PAD_CTL_PUS_100K_UP (2 << 4) +PAD_CTL_PUS_22K_UP (3 << 4) +PAD_CTL_ODE_CMOS (0 << 3) +PAD_CTL_ODE_OPENDRAIN (1 << 3) +PAD_CTL_DSE_NOMINAL (0 << 1) +PAD_CTL_DSE_HIGH (1 << 1) +PAD_CTL_DSE_MAX (2 << 1) +PAD_CTL_SRE_FAST (1 << 0) +PAD_CTL_SRE_SLOW (0 << 0) + +Refer to imx25-pinfunc.h in device tree source folder for all available +imx25 PIN_FUNC_ID. diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index e216a46f4194..5e4418f4282b 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -121,6 +121,15 @@ config PINCTRL_IMX27 help Say Y here to enable the imx27 pinctrl driver + +config PINCTRL_IMX25 + bool "IMX25 pinctrl driver" + depends on OF + depends on SOC_IMX25 + select PINCTRL_IMX + help + Say Y here to enable the imx25 pinctrl driver + config PINCTRL_IMX35 bool "IMX35 pinctrl driver" depends on SOC_IMX35 diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile index 4f7be2921aa5..dcb01a4ef653 100644 --- a/drivers/pinctrl/Makefile +++ b/drivers/pinctrl/Makefile @@ -34,6 +34,7 @@ obj-$(CONFIG_PINCTRL_IMX6SL) += pinctrl-imx6sl.o obj-$(CONFIG_PINCTRL_FALCON) += pinctrl-falcon.o obj-$(CONFIG_PINCTRL_MXS) += pinctrl-mxs.o obj-$(CONFIG_PINCTRL_IMX23) += pinctrl-imx23.o +obj-$(CONFIG_PINCTRL_IMX25) += pinctrl-imx25.o obj-$(CONFIG_PINCTRL_IMX28) += pinctrl-imx28.o obj-$(CONFIG_PINCTRL_NOMADIK) += pinctrl-nomadik.o obj-$(CONFIG_PINCTRL_STN8815) += pinctrl-nomadik-stn8815.o diff --git a/drivers/pinctrl/pinctrl-imx25.c b/drivers/pinctrl/pinctrl-imx25.c new file mode 100644 index 000000000000..1aae1b61c4dc --- /dev/null +++ b/drivers/pinctrl/pinctrl-imx25.c @@ -0,0 +1,351 @@ +/* + * imx25 pinctrl driver. + * + * Copyright 2013 Eukréa Electromatique <denis@eukrea.com> + * + * This driver was mostly copied from the imx51 pinctrl driver which has: + * + * Copyright (C) 2012 Freescale Semiconductor, Inc. + * Copyright (C) 2012 Linaro, Inc. + * + * Author: Denis Carikli <denis@eukrea.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include <linux/err.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/pinctrl/pinctrl.h> + +#include "pinctrl-imx.h" + +enum imx25_pads { + MX25_PAD_RESERVE0 = 1, + MX25_PAD_RESERVE1 = 2, + MX25_PAD_A10 = 3, + MX25_PAD_A13 = 4, + MX25_PAD_A14 = 5, + MX25_PAD_A15 = 6, + MX25_PAD_A16 = 7, + MX25_PAD_A17 = 8, + MX25_PAD_A18 = 9, + MX25_PAD_A19 = 10, + MX25_PAD_A20 = 11, + MX25_PAD_A21 = 12, + MX25_PAD_A22 = 13, + MX25_PAD_A23 = 14, + MX25_PAD_A24 = 15, + MX25_PAD_A25 = 16, + MX25_PAD_EB0 = 17, + MX25_PAD_EB1 = 18, + MX25_PAD_OE = 19, + MX25_PAD_CS0 = 20, + MX25_PAD_CS1 = 21, + MX25_PAD_CS4 = 22, + MX25_PAD_CS5 = 23, + MX25_PAD_NF_CE0 = 24, + MX25_PAD_ECB = 25, + MX25_PAD_LBA = 26, + MX25_PAD_BCLK = 27, + MX25_PAD_RW = 28, + MX25_PAD_NFWE_B = 29, + MX25_PAD_NFRE_B = 30, + MX25_PAD_NFALE = 31, + MX25_PAD_NFCLE = 32, + MX25_PAD_NFWP_B = 33, + MX25_PAD_NFRB = 34, + MX25_PAD_D15 = 35, + MX25_PAD_D14 = 36, + MX25_PAD_D13 = 37, + MX25_PAD_D12 = 38, + MX25_PAD_D11 = 39, + MX25_PAD_D10 = 40, + MX25_PAD_D9 = 41, + MX25_PAD_D8 = 42, + MX25_PAD_D7 = 43, + MX25_PAD_D6 = 44, + MX25_PAD_D5 = 45, + MX25_PAD_D4 = 46, + MX25_PAD_D3 = 47, + MX25_PAD_D2 = 48, + MX25_PAD_D1 = 49, + MX25_PAD_D0 = 50, + MX25_PAD_LD0 = 51, + MX25_PAD_LD1 = 52, + MX25_PAD_LD2 = 53, + MX25_PAD_LD3 = 54, + MX25_PAD_LD4 = 55, + MX25_PAD_LD5 = 56, + MX25_PAD_LD6 = 57, + MX25_PAD_LD7 = 58, + MX25_PAD_LD8 = 59, + MX25_PAD_LD9 = 60, + MX25_PAD_LD10 = 61, + MX25_PAD_LD11 = 62, + MX25_PAD_LD12 = 63, + MX25_PAD_LD13 = 64, + MX25_PAD_LD14 = 65, + MX25_PAD_LD15 = 66, + MX25_PAD_HSYNC = 67, + MX25_PAD_VSYNC = 68, + MX25_PAD_LSCLK = 69, + MX25_PAD_OE_ACD = 70, + MX25_PAD_CONTRAST = 71, + MX25_PAD_PWM = 72, + MX25_PAD_CSI_D2 = 73, + MX25_PAD_CSI_D3 = 74, + MX25_PAD_CSI_D4 = 75, + MX25_PAD_CSI_D5 = 76, + MX25_PAD_CSI_D6 = 77, + MX25_PAD_CSI_D7 = 78, + MX25_PAD_CSI_D8 = 79, + MX25_PAD_CSI_D9 = 80, + MX25_PAD_CSI_MCLK = 81, + MX25_PAD_CSI_VSYNC = 82, + MX25_PAD_CSI_HSYNC = 83, + MX25_PAD_CSI_PIXCLK = 84, + MX25_PAD_I2C1_CLK = 85, + MX25_PAD_I2C1_DAT = 86, + MX25_PAD_CSPI1_MOSI = 87, + MX25_PAD_CSPI1_MISO = 88, + MX25_PAD_CSPI1_SS0 = 89, + MX25_PAD_CSPI1_SS1 = 90, + MX25_PAD_CSPI1_SCLK = 91, + MX25_PAD_CSPI1_RDY = 92, + MX25_PAD_UART1_RXD = 93, + MX25_PAD_UART1_TXD = 94, + MX25_PAD_UART1_RTS = 95, + MX25_PAD_UART1_CTS = 96, + MX25_PAD_UART2_RXD = 97, + MX25_PAD_UART2_TXD = 98, + MX25_PAD_UART2_RTS = 99, + MX25_PAD_UART2_CTS = 100, + MX25_PAD_SD1_CMD = 101, + MX25_PAD_SD1_CLK = 102, + MX25_PAD_SD1_DATA0 = 103, + MX25_PAD_SD1_DATA1 = 104, + MX25_PAD_SD1_DATA2 = 105, + MX25_PAD_SD1_DATA3 = 106, + MX25_PAD_KPP_ROW0 = 107, + MX25_PAD_KPP_ROW1 = 108, + MX25_PAD_KPP_ROW2 = 109, + MX25_PAD_KPP_ROW3 = 110, + MX25_PAD_KPP_COL0 = 111, + MX25_PAD_KPP_COL1 = 112, + MX25_PAD_KPP_COL2 = 113, + MX25_PAD_KPP_COL3 = 114, + MX25_PAD_FEC_MDC = 115, + MX25_PAD_FEC_MDIO = 116, + MX25_PAD_FEC_TDATA0 = 117, + MX25_PAD_FEC_TDATA1 = 118, + MX25_PAD_FEC_TX_EN = 119, + MX25_PAD_FEC_RDATA0 = 120, + MX25_PAD_FEC_RDATA1 = 121, + MX25_PAD_FEC_RX_DV = 122, + MX25_PAD_FEC_TX_CLK = 123, + MX25_PAD_RTCK = 124, + MX25_PAD_DE_B = 125, + MX25_PAD_GPIO_A = 126, + MX25_PAD_GPIO_B = 127, + MX25_PAD_GPIO_C = 128, + MX25_PAD_GPIO_D = 129, + MX25_PAD_GPIO_E = 130, + MX25_PAD_GPIO_F = 131, + MX25_PAD_EXT_ARMCLK = 132, + MX25_PAD_UPLL_BYPCLK = 133, + MX25_PAD_VSTBY_REQ = 134, + MX25_PAD_VSTBY_ACK = 135, + MX25_PAD_POWER_FAIL = 136, + MX25_PAD_CLKO = 137, + MX25_PAD_BOOT_MODE0 = 138, + MX25_PAD_BOOT_MODE1 = 139, +}; + +/* Pad names for the pinmux subsystem */ +static const struct pinctrl_pin_desc imx25_pinctrl_pads[] = { + IMX_PINCTRL_PIN(MX25_PAD_RESERVE0), + IMX_PINCTRL_PIN(MX25_PAD_RESERVE1), + IMX_PINCTRL_PIN(MX25_PAD_A10), + IMX_PINCTRL_PIN(MX25_PAD_A13), + IMX_PINCTRL_PIN(MX25_PAD_A14), + IMX_PINCTRL_PIN(MX25_PAD_A15), + IMX_PINCTRL_PIN(MX25_PAD_A16), + IMX_PINCTRL_PIN(MX25_PAD_A17), + IMX_PINCTRL_PIN(MX25_PAD_A18), + IMX_PINCTRL_PIN(MX25_PAD_A19), + IMX_PINCTRL_PIN(MX25_PAD_A20), + IMX_PINCTRL_PIN(MX25_PAD_A21), + IMX_PINCTRL_PIN(MX25_PAD_A22), + IMX_PINCTRL_PIN(MX25_PAD_A23), + IMX_PINCTRL_PIN(MX25_PAD_A24), + IMX_PINCTRL_PIN(MX25_PAD_A25), + IMX_PINCTRL_PIN(MX25_PAD_EB0), + IMX_PINCTRL_PIN(MX25_PAD_EB1), + IMX_PINCTRL_PIN(MX25_PAD_OE), + IMX_PINCTRL_PIN(MX25_PAD_CS0), + IMX_PINCTRL_PIN(MX25_PAD_CS1), + IMX_PINCTRL_PIN(MX25_PAD_CS4), + IMX_PINCTRL_PIN(MX25_PAD_CS5), + IMX_PINCTRL_PIN(MX25_PAD_NF_CE0), + IMX_PINCTRL_PIN(MX25_PAD_ECB), + IMX_PINCTRL_PIN(MX25_PAD_LBA), + IMX_PINCTRL_PIN(MX25_PAD_BCLK), + IMX_PINCTRL_PIN(MX25_PAD_RW), + IMX_PINCTRL_PIN(MX25_PAD_NFWE_B), + IMX_PINCTRL_PIN(MX25_PAD_NFRE_B), + IMX_PINCTRL_PIN(MX25_PAD_NFALE), + IMX_PINCTRL_PIN(MX25_PAD_NFCLE), + IMX_PINCTRL_PIN(MX25_PAD_NFWP_B), + IMX_PINCTRL_PIN(MX25_PAD_NFRB), + IMX_PINCTRL_PIN(MX25_PAD_D15), + IMX_PINCTRL_PIN(MX25_PAD_D14), + IMX_PINCTRL_PIN(MX25_PAD_D13), + IMX_PINCTRL_PIN(MX25_PAD_D12), + IMX_PINCTRL_PIN(MX25_PAD_D11), + IMX_PINCTRL_PIN(MX25_PAD_D10), + IMX_PINCTRL_PIN(MX25_PAD_D9), + IMX_PINCTRL_PIN(MX25_PAD_D8), + IMX_PINCTRL_PIN(MX25_PAD_D7), + IMX_PINCTRL_PIN(MX25_PAD_D6), + IMX_PINCTRL_PIN(MX25_PAD_D5), + IMX_PINCTRL_PIN(MX25_PAD_D4), + IMX_PINCTRL_PIN(MX25_PAD_D3), + IMX_PINCTRL_PIN(MX25_PAD_D2), + IMX_PINCTRL_PIN(MX25_PAD_D1), + IMX_PINCTRL_PIN(MX25_PAD_D0), + IMX_PINCTRL_PIN(MX25_PAD_LD0), + IMX_PINCTRL_PIN(MX25_PAD_LD1), + IMX_PINCTRL_PIN(MX25_PAD_LD2), + IMX_PINCTRL_PIN(MX25_PAD_LD3), + IMX_PINCTRL_PIN(MX25_PAD_LD4), + IMX_PINCTRL_PIN(MX25_PAD_LD5), + IMX_PINCTRL_PIN(MX25_PAD_LD6), + IMX_PINCTRL_PIN(MX25_PAD_LD7), + IMX_PINCTRL_PIN(MX25_PAD_LD8), + IMX_PINCTRL_PIN(MX25_PAD_LD9), + IMX_PINCTRL_PIN(MX25_PAD_LD10), + IMX_PINCTRL_PIN(MX25_PAD_LD11), + IMX_PINCTRL_PIN(MX25_PAD_LD12), + IMX_PINCTRL_PIN(MX25_PAD_LD13), + IMX_PINCTRL_PIN(MX25_PAD_LD14), + IMX_PINCTRL_PIN(MX25_PAD_LD15), + IMX_PINCTRL_PIN(MX25_PAD_HSYNC), + IMX_PINCTRL_PIN(MX25_PAD_VSYNC), + IMX_PINCTRL_PIN(MX25_PAD_LSCLK), + IMX_PINCTRL_PIN(MX25_PAD_OE_ACD), + IMX_PINCTRL_PIN(MX25_PAD_CONTRAST), + IMX_PINCTRL_PIN(MX25_PAD_PWM), + IMX_PINCTRL_PIN(MX25_PAD_CSI_D2), + IMX_PINCTRL_PIN(MX25_PAD_CSI_D3), + IMX_PINCTRL_PIN(MX25_PAD_CSI_D4), + IMX_PINCTRL_PIN(MX25_PAD_CSI_D5), + IMX_PINCTRL_PIN(MX25_PAD_CSI_D6), + IMX_PINCTRL_PIN(MX25_PAD_CSI_D7), + IMX_PINCTRL_PIN(MX25_PAD_CSI_D8), + IMX_PINCTRL_PIN(MX25_PAD_CSI_D9), + IMX_PINCTRL_PIN(MX25_PAD_CSI_MCLK), + IMX_PINCTRL_PIN(MX25_PAD_CSI_VSYNC), + IMX_PINCTRL_PIN(MX25_PAD_CSI_HSYNC), + IMX_PINCTRL_PIN(MX25_PAD_CSI_PIXCLK), + IMX_PINCTRL_PIN(MX25_PAD_I2C1_CLK), + IMX_PINCTRL_PIN(MX25_PAD_I2C1_DAT), + IMX_PINCTRL_PIN(MX25_PAD_CSPI1_MOSI), + IMX_PINCTRL_PIN(MX25_PAD_CSPI1_MISO), + IMX_PINCTRL_PIN(MX25_PAD_CSPI1_SS0), + IMX_PINCTRL_PIN(MX25_PAD_CSPI1_SS1), + IMX_PINCTRL_PIN(MX25_PAD_CSPI1_SCLK), + IMX_PINCTRL_PIN(MX25_PAD_CSPI1_RDY), + IMX_PINCTRL_PIN(MX25_PAD_UART1_RXD), + IMX_PINCTRL_PIN(MX25_PAD_UART1_TXD), + IMX_PINCTRL_PIN(MX25_PAD_UART1_RTS), + IMX_PINCTRL_PIN(MX25_PAD_UART1_CTS), + IMX_PINCTRL_PIN(MX25_PAD_UART2_RXD), + IMX_PINCTRL_PIN(MX25_PAD_UART2_TXD), + IMX_PINCTRL_PIN(MX25_PAD_UART2_RTS), + IMX_PINCTRL_PIN(MX25_PAD_UART2_CTS), + IMX_PINCTRL_PIN(MX25_PAD_SD1_CMD), + IMX_PINCTRL_PIN(MX25_PAD_SD1_CLK), + IMX_PINCTRL_PIN(MX25_PAD_SD1_DATA0), + IMX_PINCTRL_PIN(MX25_PAD_SD1_DATA1), + IMX_PINCTRL_PIN(MX25_PAD_SD1_DATA2), + IMX_PINCTRL_PIN(MX25_PAD_SD1_DATA3), + IMX_PINCTRL_PIN(MX25_PAD_KPP_ROW0), + IMX_PINCTRL_PIN(MX25_PAD_KPP_ROW1), + IMX_PINCTRL_PIN(MX25_PAD_KPP_ROW2), + IMX_PINCTRL_PIN(MX25_PAD_KPP_ROW3), + IMX_PINCTRL_PIN(MX25_PAD_KPP_COL0), + IMX_PINCTRL_PIN(MX25_PAD_KPP_COL1), + IMX_PINCTRL_PIN(MX25_PAD_KPP_COL2), + IMX_PINCTRL_PIN(MX25_PAD_KPP_COL3), + IMX_PINCTRL_PIN(MX25_PAD_FEC_MDC), + IMX_PINCTRL_PIN(MX25_PAD_FEC_MDIO), + IMX_PINCTRL_PIN(MX25_PAD_FEC_TDATA0), + IMX_PINCTRL_PIN(MX25_PAD_FEC_TDATA1), + IMX_PINCTRL_PIN(MX25_PAD_FEC_TX_EN), + IMX_PINCTRL_PIN(MX25_PAD_FEC_RDATA0), + IMX_PINCTRL_PIN(MX25_PAD_FEC_RDATA1), + IMX_PINCTRL_PIN(MX25_PAD_FEC_RX_DV), + IMX_PINCTRL_PIN(MX25_PAD_FEC_TX_CLK), + IMX_PINCTRL_PIN(MX25_PAD_RTCK), + IMX_PINCTRL_PIN(MX25_PAD_DE_B), + IMX_PINCTRL_PIN(MX25_PAD_GPIO_A), + IMX_PINCTRL_PIN(MX25_PAD_GPIO_B), + IMX_PINCTRL_PIN(MX25_PAD_GPIO_C), + IMX_PINCTRL_PIN(MX25_PAD_GPIO_D), + IMX_PINCTRL_PIN(MX25_PAD_GPIO_E), + IMX_PINCTRL_PIN(MX25_PAD_GPIO_F), + IMX_PINCTRL_PIN(MX25_PAD_EXT_ARMCLK), + IMX_PINCTRL_PIN(MX25_PAD_UPLL_BYPCLK), + IMX_PINCTRL_PIN(MX25_PAD_VSTBY_REQ), + IMX_PINCTRL_PIN(MX25_PAD_VSTBY_ACK), + IMX_PINCTRL_PIN(MX25_PAD_POWER_FAIL), + IMX_PINCTRL_PIN(MX25_PAD_CLKO), + IMX_PINCTRL_PIN(MX25_PAD_BOOT_MODE0), + IMX_PINCTRL_PIN(MX25_PAD_BOOT_MODE1), +}; + +static struct imx_pinctrl_soc_info imx25_pinctrl_info = { + .pins = imx25_pinctrl_pads, + .npins = ARRAY_SIZE(imx25_pinctrl_pads), +}; + +static struct of_device_id imx25_pinctrl_of_match[] = { + { .compatible = "fsl,imx25-iomuxc", }, + { /* sentinel */ } +}; + +static int imx25_pinctrl_probe(struct platform_device *pdev) +{ + return imx_pinctrl_probe(pdev, &imx25_pinctrl_info); +} + +static struct platform_driver imx25_pinctrl_driver = { + .driver = { + .name = "imx25-pinctrl", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(imx25_pinctrl_of_match), + }, + .probe = imx25_pinctrl_probe, + .remove = imx_pinctrl_remove, +}; + +static int __init imx25_pinctrl_init(void) +{ + return platform_driver_register(&imx25_pinctrl_driver); +} +arch_initcall(imx25_pinctrl_init); + +static void __exit imx25_pinctrl_exit(void) +{ + platform_driver_unregister(&imx25_pinctrl_driver); +} +module_exit(imx25_pinctrl_exit); +MODULE_AUTHOR("Denis Carikli <denis@eukrea.com>"); +MODULE_DESCRIPTION("Freescale IMX25 pinctrl driver"); +MODULE_LICENSE("GPL v2"); |