diff options
Diffstat (limited to 'drivers/pinctrl/freescale')
-rw-r--r-- | drivers/pinctrl/freescale/Kconfig | 7 | ||||
-rw-r--r-- | drivers/pinctrl/freescale/Makefile | 1 | ||||
-rw-r--r-- | drivers/pinctrl/freescale/pinctrl-imx.c | 131 | ||||
-rw-r--r-- | drivers/pinctrl/freescale/pinctrl-imx.h | 20 | ||||
-rw-r--r-- | drivers/pinctrl/freescale/pinctrl-imx23.c | 2 | ||||
-rw-r--r-- | drivers/pinctrl/freescale/pinctrl-imx28.c | 2 | ||||
-rw-r--r-- | drivers/pinctrl/freescale/pinctrl-imx7ulp.c | 364 | ||||
-rw-r--r-- | drivers/pinctrl/freescale/pinctrl-vf610.c | 25 |
8 files changed, 429 insertions, 123 deletions
diff --git a/drivers/pinctrl/freescale/Kconfig b/drivers/pinctrl/freescale/Kconfig index 0b266b2aecd4..4dbc576ae27c 100644 --- a/drivers/pinctrl/freescale/Kconfig +++ b/drivers/pinctrl/freescale/Kconfig @@ -103,6 +103,13 @@ config PINCTRL_IMX7D help Say Y here to enable the imx7d pinctrl driver +config PINCTRL_IMX7ULP + bool "IMX7ULP pinctrl driver" + depends on SOC_IMX7ULP + select PINCTRL_IMX + help + Say Y here to enable the imx7ulp pinctrl driver + config PINCTRL_VF610 bool "Freescale Vybrid VF610 pinctrl driver" depends on SOC_VF610 diff --git a/drivers/pinctrl/freescale/Makefile b/drivers/pinctrl/freescale/Makefile index d44c9e253f21..525a5ff5dcb4 100644 --- a/drivers/pinctrl/freescale/Makefile +++ b/drivers/pinctrl/freescale/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_PINCTRL_IMX6SL) += pinctrl-imx6sl.o obj-$(CONFIG_PINCTRL_IMX6SX) += pinctrl-imx6sx.o obj-$(CONFIG_PINCTRL_IMX6UL) += pinctrl-imx6ul.o obj-$(CONFIG_PINCTRL_IMX7D) += pinctrl-imx7d.o +obj-$(CONFIG_PINCTRL_IMX7ULP) += pinctrl-imx7ulp.o obj-$(CONFIG_PINCTRL_VF610) += pinctrl-vf610.o obj-$(CONFIG_PINCTRL_MXS) += pinctrl-mxs.o obj-$(CONFIG_PINCTRL_IMX23) += pinctrl-imx23.o diff --git a/drivers/pinctrl/freescale/pinctrl-imx.c b/drivers/pinctrl/freescale/pinctrl-imx.c index 72aca758f4c6..6e472691d8ee 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx.c +++ b/drivers/pinctrl/freescale/pinctrl-imx.c @@ -35,18 +35,6 @@ #define IMX_NO_PAD_CTL 0x80000000 /* no pin config need */ #define IMX_PAD_SION 0x40000000 /* set SION */ -/** - * @dev: a pointer back to containing device - * @base: the offset to the controller in virtual memory - */ -struct imx_pinctrl { - struct device *dev; - struct pinctrl_dev *pctl; - void __iomem *base; - void __iomem *input_sel_base; - struct imx_pinctrl_soc_info *info; -}; - static inline const struct group_desc *imx_pinctrl_find_group_by_name( struct pinctrl_dev *pctldev, const char *name) @@ -255,111 +243,11 @@ static int imx_pmx_set(struct pinctrl_dev *pctldev, unsigned selector, return 0; } -static int imx_pmx_gpio_request_enable(struct pinctrl_dev *pctldev, - struct pinctrl_gpio_range *range, unsigned offset) -{ - struct imx_pinctrl *ipctl = pinctrl_dev_get_drvdata(pctldev); - struct imx_pinctrl_soc_info *info = ipctl->info; - const struct imx_pin_reg *pin_reg; - struct group_desc *grp; - struct imx_pin *imx_pin; - unsigned int pin, group; - u32 reg; - - /* Currently implementation only for shared mux/conf register */ - if (!(info->flags & SHARE_MUX_CONF_REG)) - return 0; - - pin_reg = &info->pin_regs[offset]; - if (pin_reg->mux_reg == -1) - return -EINVAL; - - /* Find the pinctrl config with GPIO mux mode for the requested pin */ - for (group = 0; group < pctldev->num_groups; group++) { - grp = pinctrl_generic_get_group(pctldev, group); - if (!grp) - continue; - for (pin = 0; pin < grp->num_pins; pin++) { - imx_pin = &((struct imx_pin *)(grp->data))[pin]; - if (imx_pin->pin == offset && !imx_pin->mux_mode) - goto mux_pin; - } - } - - return -EINVAL; - -mux_pin: - reg = readl(ipctl->base + pin_reg->mux_reg); - reg &= ~info->mux_mask; - reg |= imx_pin->config; - writel(reg, ipctl->base + pin_reg->mux_reg); - - return 0; -} - -static void imx_pmx_gpio_disable_free(struct pinctrl_dev *pctldev, - struct pinctrl_gpio_range *range, unsigned offset) -{ - struct imx_pinctrl *ipctl = pinctrl_dev_get_drvdata(pctldev); - struct imx_pinctrl_soc_info *info = ipctl->info; - const struct imx_pin_reg *pin_reg; - u32 reg; - - /* - * Only Vybrid has the input/output buffer enable flags (IBE/OBE) - * They are part of the shared mux/conf register. - */ - if (!(info->flags & SHARE_MUX_CONF_REG)) - return; - - pin_reg = &info->pin_regs[offset]; - if (pin_reg->mux_reg == -1) - return; - - /* Clear IBE/OBE/PUE to disable the pin (Hi-Z) */ - reg = readl(ipctl->base + pin_reg->mux_reg); - reg &= ~0x7; - writel(reg, ipctl->base + pin_reg->mux_reg); -} - -static int imx_pmx_gpio_set_direction(struct pinctrl_dev *pctldev, - struct pinctrl_gpio_range *range, unsigned offset, bool input) -{ - struct imx_pinctrl *ipctl = pinctrl_dev_get_drvdata(pctldev); - struct imx_pinctrl_soc_info *info = ipctl->info; - const struct imx_pin_reg *pin_reg; - u32 reg; - - /* - * Only Vybrid has the input/output buffer enable flags (IBE/OBE) - * They are part of the shared mux/conf register. - */ - if (!(info->flags & SHARE_MUX_CONF_REG)) - return 0; - - pin_reg = &info->pin_regs[offset]; - if (pin_reg->mux_reg == -1) - return -EINVAL; - - /* IBE always enabled allows us to read the value "on the wire" */ - reg = readl(ipctl->base + pin_reg->mux_reg); - if (input) - reg &= ~0x2; - else - reg |= 0x2; - writel(reg, ipctl->base + pin_reg->mux_reg); - - return 0; -} - -static const struct pinmux_ops imx_pmx_ops = { +struct pinmux_ops imx_pmx_ops = { .get_functions_count = pinmux_generic_get_function_count, .get_function_name = pinmux_generic_get_function_name, .get_function_groups = pinmux_generic_get_function_groups, .set_mux = imx_pmx_set, - .gpio_request_enable = imx_pmx_gpio_request_enable, - .gpio_disable_free = imx_pmx_gpio_disable_free, - .gpio_set_direction = imx_pmx_gpio_set_direction, }; /* decode generic config into raw register values */ @@ -563,26 +451,24 @@ static int imx_pinctrl_parse_groups(struct device_node *np, * do sanity check and calculate pins number * * First try legacy 'fsl,pins' property, then fall back to the - * generic 'pins'. + * generic 'pinmux'. * - * Note: for generic 'pins' case, there's no CONFIG part in + * Note: for generic 'pinmux' case, there's no CONFIG part in * the binding format. */ list = of_get_property(np, "fsl,pins", &size); if (!list) { - list = of_get_property(np, "pins", &size); + list = of_get_property(np, "pinmux", &size); if (!list) { dev_err(info->dev, - "no fsl,pins and pins property in node %s\n", - np->full_name); + "no fsl,pins and pins property in node %pOF\n", np); return -EINVAL; } } /* we do not check return since it's safe node passed down */ if (!size || size % pin_size) { - dev_err(info->dev, "Invalid fsl,pins or pins property in node %s\n", - np->full_name); + dev_err(info->dev, "Invalid fsl,pins or pins property in node %pOF\n", np); return -EINVAL; } @@ -666,7 +552,7 @@ static int imx_pinctrl_parse_functions(struct device_node *np, func->name = np->name; func->num_group_names = of_get_child_count(np); if (func->num_group_names == 0) { - dev_err(info->dev, "no groups defined in %s\n", np->full_name); + dev_err(info->dev, "no groups defined in %pOF\n", np); return -EINVAL; } func->group_names = devm_kcalloc(info->dev, func->num_group_names, @@ -862,6 +748,9 @@ int imx_pinctrl_probe(struct platform_device *pdev, imx_pinctrl_desc->custom_params = info->custom_params; imx_pinctrl_desc->num_custom_params = info->num_custom_params; + /* platform specific callback */ + imx_pmx_ops.gpio_set_direction = info->gpio_set_direction; + mutex_init(&info->mutex); ipctl->info = info; diff --git a/drivers/pinctrl/freescale/pinctrl-imx.h b/drivers/pinctrl/freescale/pinctrl-imx.h index 880bba7fd1ab..5aa22b52c1d4 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx.h +++ b/drivers/pinctrl/freescale/pinctrl-imx.h @@ -16,9 +16,12 @@ #define __DRIVERS_PINCTRL_IMX_H #include <linux/pinctrl/pinconf-generic.h> +#include <linux/pinctrl/pinmux.h> struct platform_device; +extern struct pinmux_ops imx_pmx_ops; + /** * struct imx_pin - describes a single i.MX pin * @pin: the pin_id of this pin @@ -76,6 +79,23 @@ struct imx_pinctrl_soc_info { unsigned int num_decodes; void (*fixup)(unsigned long *configs, unsigned int num_configs, u32 *raw_config); + + int (*gpio_set_direction)(struct pinctrl_dev *pctldev, + struct pinctrl_gpio_range *range, + unsigned offset, + bool input); +}; + +/** + * @dev: a pointer back to containing device + * @base: the offset to the controller in virtual memory + */ +struct imx_pinctrl { + struct device *dev; + struct pinctrl_dev *pctl; + void __iomem *base; + void __iomem *input_sel_base; + struct imx_pinctrl_soc_info *info; }; #define IMX_CFG_PARAMS_DECODE(p, m, o) \ diff --git a/drivers/pinctrl/freescale/pinctrl-imx23.c b/drivers/pinctrl/freescale/pinctrl-imx23.c index 89b4f160138f..c9405685971b 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx23.c +++ b/drivers/pinctrl/freescale/pinctrl-imx23.c @@ -257,7 +257,7 @@ static const struct pinctrl_pin_desc imx23_pins[] = { MXS_PINCTRL_PIN(EMI_CLKN), }; -static struct mxs_regs imx23_regs = { +static const struct mxs_regs imx23_regs = { .muxsel = 0x100, .drive = 0x200, .pull = 0x400, diff --git a/drivers/pinctrl/freescale/pinctrl-imx28.c b/drivers/pinctrl/freescale/pinctrl-imx28.c index 295236dfb0bc..87deb9ec938a 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx28.c +++ b/drivers/pinctrl/freescale/pinctrl-imx28.c @@ -373,7 +373,7 @@ static const struct pinctrl_pin_desc imx28_pins[] = { MXS_PINCTRL_PIN(EMI_CKE), }; -static struct mxs_regs imx28_regs = { +static const struct mxs_regs imx28_regs = { .muxsel = 0x100, .drive = 0x300, .pull = 0x600, diff --git a/drivers/pinctrl/freescale/pinctrl-imx7ulp.c b/drivers/pinctrl/freescale/pinctrl-imx7ulp.c new file mode 100644 index 000000000000..b7bebb292f37 --- /dev/null +++ b/drivers/pinctrl/freescale/pinctrl-imx7ulp.c @@ -0,0 +1,364 @@ +/* + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * Copyright (C) 2017 NXP + * + * Author: Dong Aisheng <aisheng.dong@nxp.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 imx7ulp_pads { + IMX7ULP_PAD_PTC0 = 0, + IMX7ULP_PAD_PTC1, + IMX7ULP_PAD_PTC2, + IMX7ULP_PAD_PTC3, + IMX7ULP_PAD_PTC4, + IMX7ULP_PAD_PTC5, + IMX7ULP_PAD_PTC6, + IMX7ULP_PAD_PTC7, + IMX7ULP_PAD_PTC8, + IMX7ULP_PAD_PTC9, + IMX7ULP_PAD_PTC10, + IMX7ULP_PAD_PTC11, + IMX7ULP_PAD_PTC12, + IMX7ULP_PAD_PTC13, + IMX7ULP_PAD_PTC14, + IMX7ULP_PAD_PTC15, + IMX7ULP_PAD_PTC16, + IMX7ULP_PAD_PTC17, + IMX7ULP_PAD_PTC18, + IMX7ULP_PAD_PTC19, + IMX7ULP_PAD_RESERVE0, + IMX7ULP_PAD_RESERVE1, + IMX7ULP_PAD_RESERVE2, + IMX7ULP_PAD_RESERVE3, + IMX7ULP_PAD_RESERVE4, + IMX7ULP_PAD_RESERVE5, + IMX7ULP_PAD_RESERVE6, + IMX7ULP_PAD_RESERVE7, + IMX7ULP_PAD_RESERVE8, + IMX7ULP_PAD_RESERVE9, + IMX7ULP_PAD_RESERVE10, + IMX7ULP_PAD_RESERVE11, + IMX7ULP_PAD_PTD0, + IMX7ULP_PAD_PTD1, + IMX7ULP_PAD_PTD2, + IMX7ULP_PAD_PTD3, + IMX7ULP_PAD_PTD4, + IMX7ULP_PAD_PTD5, + IMX7ULP_PAD_PTD6, + IMX7ULP_PAD_PTD7, + IMX7ULP_PAD_PTD8, + IMX7ULP_PAD_PTD9, + IMX7ULP_PAD_PTD10, + IMX7ULP_PAD_PTD11, + IMX7ULP_PAD_RESERVE12, + IMX7ULP_PAD_RESERVE13, + IMX7ULP_PAD_RESERVE14, + IMX7ULP_PAD_RESERVE15, + IMX7ULP_PAD_RESERVE16, + IMX7ULP_PAD_RESERVE17, + IMX7ULP_PAD_RESERVE18, + IMX7ULP_PAD_RESERVE19, + IMX7ULP_PAD_RESERVE20, + IMX7ULP_PAD_RESERVE21, + IMX7ULP_PAD_RESERVE22, + IMX7ULP_PAD_RESERVE23, + IMX7ULP_PAD_RESERVE24, + IMX7ULP_PAD_RESERVE25, + IMX7ULP_PAD_RESERVE26, + IMX7ULP_PAD_RESERVE27, + IMX7ULP_PAD_RESERVE28, + IMX7ULP_PAD_RESERVE29, + IMX7ULP_PAD_RESERVE30, + IMX7ULP_PAD_RESERVE31, + IMX7ULP_PAD_PTE0, + IMX7ULP_PAD_PTE1, + IMX7ULP_PAD_PTE2, + IMX7ULP_PAD_PTE3, + IMX7ULP_PAD_PTE4, + IMX7ULP_PAD_PTE5, + IMX7ULP_PAD_PTE6, + IMX7ULP_PAD_PTE7, + IMX7ULP_PAD_PTE8, + IMX7ULP_PAD_PTE9, + IMX7ULP_PAD_PTE10, + IMX7ULP_PAD_PTE11, + IMX7ULP_PAD_PTE12, + IMX7ULP_PAD_PTE13, + IMX7ULP_PAD_PTE14, + IMX7ULP_PAD_PTE15, + IMX7ULP_PAD_RESERVE32, + IMX7ULP_PAD_RESERVE33, + IMX7ULP_PAD_RESERVE34, + IMX7ULP_PAD_RESERVE35, + IMX7ULP_PAD_RESERVE36, + IMX7ULP_PAD_RESERVE37, + IMX7ULP_PAD_RESERVE38, + IMX7ULP_PAD_RESERVE39, + IMX7ULP_PAD_RESERVE40, + IMX7ULP_PAD_RESERVE41, + IMX7ULP_PAD_RESERVE42, + IMX7ULP_PAD_RESERVE43, + IMX7ULP_PAD_RESERVE44, + IMX7ULP_PAD_RESERVE45, + IMX7ULP_PAD_RESERVE46, + IMX7ULP_PAD_RESERVE47, + IMX7ULP_PAD_PTF0, + IMX7ULP_PAD_PTF1, + IMX7ULP_PAD_PTF2, + IMX7ULP_PAD_PTF3, + IMX7ULP_PAD_PTF4, + IMX7ULP_PAD_PTF5, + IMX7ULP_PAD_PTF6, + IMX7ULP_PAD_PTF7, + IMX7ULP_PAD_PTF8, + IMX7ULP_PAD_PTF9, + IMX7ULP_PAD_PTF10, + IMX7ULP_PAD_PTF11, + IMX7ULP_PAD_PTF12, + IMX7ULP_PAD_PTF13, + IMX7ULP_PAD_PTF14, + IMX7ULP_PAD_PTF15, + IMX7ULP_PAD_PTF16, + IMX7ULP_PAD_PTF17, + IMX7ULP_PAD_PTF18, + IMX7ULP_PAD_PTF19, +}; + +/* Pad names for the pinmux subsystem */ +static const struct pinctrl_pin_desc imx7ulp_pinctrl_pads[] = { + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTC0), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTC1), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTC2), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTC3), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTC4), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTC5), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTC6), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTC7), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTC8), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTC9), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTC10), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTC11), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTC12), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTC13), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTC14), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTC15), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTC16), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTC17), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTC18), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTC19), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE0), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE1), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE2), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE3), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE4), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE5), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE6), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE7), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE8), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE9), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE10), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE11), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTD0), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTD1), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTD2), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTD3), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTD4), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTD5), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTD6), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTD7), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTD8), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTD9), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTD10), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTD11), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE12), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE13), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE14), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE15), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE16), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE17), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE18), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE19), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE20), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE21), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE22), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE23), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE24), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE25), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE26), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE27), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE28), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE29), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE30), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE31), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTE0), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTE1), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTE2), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTE3), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTE4), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTE5), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTE6), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTE7), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTE8), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTE9), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTE10), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTE11), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTE12), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTE13), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTE14), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTE15), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE32), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE33), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE34), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE35), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE36), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE37), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE38), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE39), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE40), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE41), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE42), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE43), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE44), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE45), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE46), + IMX_PINCTRL_PIN(IMX7ULP_PAD_RESERVE47), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTF0), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTF1), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTF2), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTF3), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTF4), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTF5), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTF6), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTF7), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTF8), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTF9), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTF10), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTF11), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTF12), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTF13), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTF14), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTF15), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTF16), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTF17), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTF18), + IMX_PINCTRL_PIN(IMX7ULP_PAD_PTF19), +}; + +#define BM_OBE_ENABLED BIT(17) +#define BM_IBE_ENABLED BIT(16) +#define BM_LK_ENABLED BIT(15) +#define BM_MUX_MODE 0xf00 +#define BP_MUX_MODE 8 +#define BM_PULL_ENABLED BIT(1) + +struct imx_cfg_params_decode imx7ulp_cfg_decodes[] = { + IMX_CFG_PARAMS_DECODE(PIN_CONFIG_DRIVE_STRENGTH, BIT(6), 6), + IMX_CFG_PARAMS_DECODE(PIN_CONFIG_DRIVE_PUSH_PULL, BIT(5), 5), + IMX_CFG_PARAMS_DECODE(PIN_CONFIG_SLEW_RATE, BIT(2), 2), + IMX_CFG_PARAMS_DECODE(PIN_CONFIG_BIAS_DISABLE, BIT(1), 1), + IMX_CFG_PARAMS_DECODE(PIN_CONFIG_BIAS_PULL_UP, BIT(0), 0), + + IMX_CFG_PARAMS_DECODE_INVERT(PIN_CONFIG_DRIVE_OPEN_DRAIN, BIT(5), 5), + IMX_CFG_PARAMS_DECODE_INVERT(PIN_CONFIG_BIAS_PULL_DOWN, BIT(0), 0), +}; + +static void imx7ulp_cfg_params_fixup(unsigned long *configs, + unsigned int num_configs, + u32 *raw_config) +{ + enum pin_config_param param; + u32 param_val; + int i; + + /* lock field disabled */ + *raw_config &= ~BM_LK_ENABLED; + + for (i = 0; i < num_configs; i++) { + param = pinconf_to_config_param(configs[i]); + param_val = pinconf_to_config_argument(configs[i]); + + if ((param == PIN_CONFIG_BIAS_PULL_UP) || + (param == PIN_CONFIG_BIAS_PULL_DOWN)) { + /* pull enabled */ + *raw_config |= BM_PULL_ENABLED; + + return; + } + } +} + +static int imx7ulp_pmx_gpio_set_direction(struct pinctrl_dev *pctldev, + struct pinctrl_gpio_range *range, + unsigned offset, bool input) +{ + struct imx_pinctrl *ipctl = pinctrl_dev_get_drvdata(pctldev); + struct imx_pinctrl_soc_info *info = ipctl->info; + const struct imx_pin_reg *pin_reg; + u32 reg; + + pin_reg = &info->pin_regs[offset]; + if (pin_reg->mux_reg == -1) + return -EINVAL; + + reg = readl(ipctl->base + pin_reg->mux_reg); + if (input) + reg = (reg & ~BM_OBE_ENABLED) | BM_IBE_ENABLED; + else + reg = (reg & ~BM_IBE_ENABLED) | BM_OBE_ENABLED; + writel(reg, ipctl->base + pin_reg->mux_reg); + + return 0; +} + +static struct imx_pinctrl_soc_info imx7ulp_pinctrl_info = { + .pins = imx7ulp_pinctrl_pads, + .npins = ARRAY_SIZE(imx7ulp_pinctrl_pads), + .flags = ZERO_OFFSET_VALID | SHARE_MUX_CONF_REG, + .gpio_set_direction = imx7ulp_pmx_gpio_set_direction, + .mux_mask = BM_MUX_MODE, + .mux_shift = BP_MUX_MODE, + .generic_pinconf = true, + .decodes = imx7ulp_cfg_decodes, + .num_decodes = ARRAY_SIZE(imx7ulp_cfg_decodes), + .fixup = imx7ulp_cfg_params_fixup, +}; + +static const struct of_device_id imx7ulp_pinctrl_of_match[] = { + { .compatible = "fsl,imx7ulp-iomuxc1", }, + { /* sentinel */ } +}; + +static int imx7ulp_pinctrl_probe(struct platform_device *pdev) +{ + return imx_pinctrl_probe(pdev, &imx7ulp_pinctrl_info); +} + +static struct platform_driver imx7ulp_pinctrl_driver = { + .driver = { + .name = "imx7ulp-pinctrl", + .of_match_table = of_match_ptr(imx7ulp_pinctrl_of_match), + .suppress_bind_attrs = true, + }, + .probe = imx7ulp_pinctrl_probe, +}; + +static int __init imx7ulp_pinctrl_init(void) +{ + return platform_driver_register(&imx7ulp_pinctrl_driver); +} +arch_initcall(imx7ulp_pinctrl_init); diff --git a/drivers/pinctrl/freescale/pinctrl-vf610.c b/drivers/pinctrl/freescale/pinctrl-vf610.c index 3bd85564d1e4..ac18bb6d6d5e 100644 --- a/drivers/pinctrl/freescale/pinctrl-vf610.c +++ b/drivers/pinctrl/freescale/pinctrl-vf610.c @@ -295,10 +295,35 @@ static const struct pinctrl_pin_desc vf610_pinctrl_pads[] = { IMX_PINCTRL_PIN(VF610_PAD_PTA7), }; +static int vf610_pmx_gpio_set_direction(struct pinctrl_dev *pctldev, + struct pinctrl_gpio_range *range, + unsigned offset, bool input) +{ + struct imx_pinctrl *ipctl = pinctrl_dev_get_drvdata(pctldev); + struct imx_pinctrl_soc_info *info = ipctl->info; + const struct imx_pin_reg *pin_reg; + u32 reg; + + pin_reg = &info->pin_regs[offset]; + if (pin_reg->mux_reg == -1) + return -EINVAL; + + /* IBE always enabled allows us to read the value "on the wire" */ + reg = readl(ipctl->base + pin_reg->mux_reg); + if (input) + reg &= ~0x2; + else + reg |= 0x2; + writel(reg, ipctl->base + pin_reg->mux_reg); + + return 0; +} + static struct imx_pinctrl_soc_info vf610_pinctrl_info = { .pins = vf610_pinctrl_pads, .npins = ARRAY_SIZE(vf610_pinctrl_pads), .flags = SHARE_MUX_CONF_REG | ZERO_OFFSET_VALID, + .gpio_set_direction = vf610_pmx_gpio_set_direction, .mux_mask = 0x700000, .mux_shift = 20, }; |