diff options
Diffstat (limited to 'drivers/pinctrl/qcom/pinctrl-msm.h')
| -rw-r--r-- | drivers/pinctrl/qcom/pinctrl-msm.h | 104 |
1 files changed, 76 insertions, 28 deletions
diff --git a/drivers/pinctrl/qcom/pinctrl-msm.h b/drivers/pinctrl/qcom/pinctrl-msm.h index c12048e54a6f..4625fa5320a9 100644 --- a/drivers/pinctrl/qcom/pinctrl-msm.h +++ b/drivers/pinctrl/qcom/pinctrl-msm.h @@ -1,37 +1,47 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2013, Sony Mobile Communications AB. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifndef __PINCTRL_MSM_H__ #define __PINCTRL_MSM_H__ +#include <linux/pm.h> +#include <linux/types.h> + +#include <linux/pinctrl/pinctrl.h> + +struct platform_device; + struct pinctrl_pin_desc; -/** - * struct msm_function - a pinmux function - * @name: Name of the pinmux function. - * @groups: List of pingroups for this function. - * @ngroups: Number of entries in @groups. - */ -struct msm_function { - const char *name; - const char * const *groups; - unsigned ngroups; -}; +#define APQ_PIN_FUNCTION(fname) \ + [APQ_MUX_##fname] = PINCTRL_PINFUNCTION(#fname, \ + fname##_groups, \ + ARRAY_SIZE(fname##_groups)) + +#define IPQ_PIN_FUNCTION(fname) \ + [IPQ_MUX_##fname] = PINCTRL_PINFUNCTION(#fname, \ + fname##_groups, \ + ARRAY_SIZE(fname##_groups)) + +#define MSM_PIN_FUNCTION(fname) \ + [msm_mux_##fname] = PINCTRL_PINFUNCTION(#fname, \ + fname##_groups, \ + ARRAY_SIZE(fname##_groups)) + +#define MSM_GPIO_PIN_FUNCTION(fname) \ + [msm_mux_##fname] = PINCTRL_GPIO_PINFUNCTION(#fname, \ + fname##_groups, \ + ARRAY_SIZE(fname##_groups)) + +#define QCA_PIN_FUNCTION(fname) \ + [qca_mux_##fname] = PINCTRL_PINFUNCTION(#fname, \ + fname##_groups, \ + ARRAY_SIZE(fname##_groups)) /** * struct msm_pingroup - Qualcomm pingroup definition - * @name: Name of the pingroup. - * @pins: A list of pins assigned to this pingroup. - * @npins: Number of entries in @pins. + * @grp: Generic data of the pin group (name and pins) * @funcs: A list of pinmux functions that can be selected for * this group. The index of the selected function is used * for programming the function selector. @@ -46,13 +56,18 @@ struct msm_function { * @mux_bit: Offset in @ctl_reg for the pinmux function selection. * @pull_bit: Offset in @ctl_reg for the bias configuration. * @drv_bit: Offset in @ctl_reg for the drive strength configuration. + * @od_bit: Offset in @ctl_reg for controlling open drain. * @oe_bit: Offset in @ctl_reg for controlling output enable. * @in_bit: Offset in @io_reg for the input bit value. * @out_bit: Offset in @io_reg for the output bit value. * @intr_enable_bit: Offset in @intr_cfg_reg for enabling the interrupt for this group. * @intr_status_bit: Offset in @intr_status_reg for reading and acking the interrupt * status. + * @intr_wakeup_present_bit: Offset in @intr_target_reg specifying the GPIO can generate + * wakeup events. + * @intr_wakeup_enable_bit: Offset in @intr_target_reg to enable wakeup events for the GPIO. * @intr_target_bit: Offset in @intr_target_reg for configuring the interrupt routing. + * @intr_target_width: Number of bits used for specifying interrupt routing target. * @intr_target_kpss_val: Value in @intr_target_bit for specifying that the interrupt from * this gpio should get routed to the KPSS processor. * @intr_raw_status_bit: Offset in @intr_cfg_reg for the raw status bit. @@ -63,9 +78,7 @@ struct msm_function { * otherwise 1. */ struct msm_pingroup { - const char *name; - const unsigned *pins; - unsigned npins; + struct pingroup grp; unsigned *funcs; unsigned nfuncs; @@ -82,7 +95,11 @@ struct msm_pingroup { unsigned pull_bit:5; unsigned drv_bit:5; + unsigned i2c_pull_bit:5; + unsigned od_bit:5; + unsigned egpio_enable:5; + unsigned egpio_present:5; unsigned oe_bit:5; unsigned in_bit:5; unsigned out_bit:5; @@ -91,7 +108,10 @@ struct msm_pingroup { unsigned intr_status_bit:5; unsigned intr_ack_high:1; + unsigned intr_wakeup_present_bit:5; + unsigned intr_wakeup_enable_bit:5; unsigned intr_target_bit:5; + unsigned intr_target_width:5; unsigned intr_target_kpss_val:5; unsigned intr_raw_status_bit:5; unsigned intr_polarity_bit:5; @@ -100,6 +120,16 @@ struct msm_pingroup { }; /** + * struct msm_gpio_wakeirq_map - Map of GPIOs and their wakeup pins + * @gpio: The GPIOs that are wakeup capable + * @wakeirq: The interrupt at the always-on interrupt controller + */ +struct msm_gpio_wakeirq_map { + unsigned int gpio; + unsigned int wakeirq; +}; + +/** * struct msm_pinctrl_soc_data - Qualcomm pin controller driver configuration * @pins: An array describing all pins the pin controller affects. * @npins: The number of entries in @pins. @@ -109,11 +139,24 @@ struct msm_pingroup { * @ngroups: The numbmer of entries in @groups. * @ngpio: The number of pingroups the driver should expose as GPIOs. * @pull_no_keeper: The SoC does not support keeper bias. + * @wakeirq_map: The map of wakeup capable GPIOs and the pin at PDC/MPM + * @nwakeirq_map: The number of entries in @wakeirq_map + * @wakeirq_dual_edge_errata: If true then GPIOs using the wakeirq_map need + * to be aware that their parent can't handle dual + * edge interrupts. + * @gpio_func: Which function number is GPIO (usually 0). + * @egpio_func: If non-zero then this SoC supports eGPIO. Even though in + * hardware this is a mux 1-level above the TLMM, we'll treat + * it as if this is just another mux state of the TLMM. Since + * it doesn't really map to hardware, we'll allocate a virtual + * function number for eGPIO and any time we see that function + * number used we'll treat it as a request to mux away from + * our TLMM towards another owner. */ struct msm_pinctrl_soc_data { const struct pinctrl_pin_desc *pins; unsigned npins; - const struct msm_function *functions; + const struct pinfunction *functions; unsigned nfunctions; const struct msm_pingroup *groups; unsigned ngroups; @@ -121,12 +164,17 @@ struct msm_pinctrl_soc_data { bool pull_no_keeper; const char *const *tiles; unsigned int ntiles; + const int *reserved_gpios; + const struct msm_gpio_wakeirq_map *wakeirq_map; + unsigned int nwakeirq_map; + bool wakeirq_dual_edge_errata; + unsigned int gpio_func; + unsigned int egpio_func; }; extern const struct dev_pm_ops msm_pinctrl_dev_pm_ops; int msm_pinctrl_probe(struct platform_device *pdev, const struct msm_pinctrl_soc_data *soc_data); -int msm_pinctrl_remove(struct platform_device *pdev); #endif |
