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Diffstat (limited to 'drivers/pinctrl/qcom/pinctrl-msm.h')
-rw-r--r--drivers/pinctrl/qcom/pinctrl-msm.h104
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