1 files changed, 157 insertions, 123 deletions

diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index 1e0614daee9b..998f23d6c317 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -12,21 +12,20 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/io.h>
+#include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/err.h>
 #include <linux/list.h>
 #include <linux/interrupt.h>
-
 #include <linux/irqchip/chained_irq.h>
-
 #include <linux/of.h>
-#include <linux/of_device.h>
-#include <linux/of_address.h>
 #include <linux/of_irq.h>
+#include <linux/seq_file.h>
 
+#include <linux/pinctrl/pinconf-generic.h>
+#include <linux/pinctrl/pinconf.h>
 #include <linux/pinctrl/pinctrl.h>
 #include <linux/pinctrl/pinmux.h>
-#include <linux/pinctrl/pinconf-generic.h>
 
 #include <linux/platform_data/pinctrl-single.h>
 
@@ -42,6 +41,7 @@
  * struct pcs_func_vals - mux function register offset and value pair
  * @reg:	register virtual address
  * @val:	register value
+ * @mask:	mask
  */
 struct pcs_func_vals {
 	void __iomem *reg;
@@ -81,16 +81,14 @@ struct pcs_conf_type {
  * @name:	pinctrl function name
  * @vals:	register and vals array
  * @nvals:	number of entries in vals array
- * @pgnames:	array of pingroup names the function uses
- * @npgnames:	number of pingroup names the function uses
+ * @conf:	array of pin configurations
+ * @nconfs:	number of pin configurations available
  * @node:	list node
  */
 struct pcs_function {
 	const char *name;
 	struct pcs_func_vals *vals;
 	unsigned nvals;
-	const char **pgnames;
-	int npgnames;
 	struct pcs_conf_vals *conf;
 	int nconfs;
 	struct list_head node;
@@ -237,50 +235,74 @@ static struct lock_class_key pcs_request_class;
  * does not help in this case.
  */
 
-static unsigned __maybe_unused pcs_readb(void __iomem *reg)
+static unsigned int pcs_readb(void __iomem *reg)
 {
 	return readb(reg);
 }
 
-static unsigned __maybe_unused pcs_readw(void __iomem *reg)
+static unsigned int pcs_readw(void __iomem *reg)
 {
 	return readw(reg);
 }
 
-static unsigned __maybe_unused pcs_readl(void __iomem *reg)
+static unsigned int pcs_readl(void __iomem *reg)
 {
 	return readl(reg);
 }
 
-static void __maybe_unused pcs_writeb(unsigned val, void __iomem *reg)
+static void pcs_writeb(unsigned int val, void __iomem *reg)
 {
 	writeb(val, reg);
 }
 
-static void __maybe_unused pcs_writew(unsigned val, void __iomem *reg)
+static void pcs_writew(unsigned int val, void __iomem *reg)
 {
 	writew(val, reg);
 }
 
-static void __maybe_unused pcs_writel(unsigned val, void __iomem *reg)
+static void pcs_writel(unsigned int val, void __iomem *reg)
 {
 	writel(val, reg);
 }
 
+static unsigned int pcs_pin_reg_offset_get(struct pcs_device *pcs,
+					   unsigned int pin)
+{
+	unsigned int mux_bytes = pcs->width / BITS_PER_BYTE;
+
+	if (pcs->bits_per_mux) {
+		unsigned int pin_offset_bytes;
+
+		pin_offset_bytes = (pcs->bits_per_pin * pin) / BITS_PER_BYTE;
+		return (pin_offset_bytes / mux_bytes) * mux_bytes;
+	}
+
+	return pin * mux_bytes;
+}
+
+static unsigned int pcs_pin_shift_reg_get(struct pcs_device *pcs,
+					  unsigned int pin)
+{
+	return (pin % (pcs->width / pcs->bits_per_pin)) * pcs->bits_per_pin;
+}
+
 static void pcs_pin_dbg_show(struct pinctrl_dev *pctldev,
 					struct seq_file *s,
 					unsigned pin)
 {
 	struct pcs_device *pcs;
-	unsigned val, mux_bytes;
+	unsigned int val;
 	unsigned long offset;
 	size_t pa;
 
 	pcs = pinctrl_dev_get_drvdata(pctldev);
 
-	mux_bytes = pcs->width / BITS_PER_BYTE;
-	offset = pin * mux_bytes;
+	offset = pcs_pin_reg_offset_get(pcs, pin);
 	val = pcs->read(pcs->base + offset);
+
+	if (pcs->bits_per_mux)
+		val &= pcs->fmask << pcs_pin_shift_reg_get(pcs, pin);
+
 	pa = pcs->res->start + offset;
 
 	seq_printf(s, "%zx %08x %s ", pa, val, DRIVER_NAME);
@@ -314,7 +336,7 @@ static int pcs_get_function(struct pinctrl_dev *pctldev, unsigned pin,
 	struct pcs_device *pcs = pinctrl_dev_get_drvdata(pctldev);
 	struct pin_desc *pdesc = pin_desc_get(pctldev, pin);
 	const struct pinctrl_setting_mux *setting;
-	struct function_desc *function;
+	const struct function_desc *function;
 	unsigned fselector;
 
 	/* If pin is not described in DTS & enabled, mux_setting is NULL. */
@@ -323,6 +345,8 @@ static int pcs_get_function(struct pinctrl_dev *pctldev, unsigned pin,
 		return -ENOTSUPP;
 	fselector = setting->func;
 	function = pinmux_generic_get_function(pctldev, fselector);
+	if (!function)
+		return -EINVAL;
 	*func = function->data;
 	if (!(*func)) {
 		dev_err(pcs->dev, "%s could not find function%i\n",
@@ -336,7 +360,7 @@ static int pcs_set_mux(struct pinctrl_dev *pctldev, unsigned fselector,
 	unsigned group)
 {
 	struct pcs_device *pcs;
-	struct function_desc *function;
+	const struct function_desc *function;
 	struct pcs_function *func;
 	int i;
 
@@ -345,6 +369,8 @@ static int pcs_set_mux(struct pinctrl_dev *pctldev, unsigned fselector,
 	if (!pcs->fmask)
 		return 0;
 	function = pinmux_generic_get_function(pctldev, fselector);
+	if (!function)
+		return -EINVAL;
 	func = function->data;
 	if (!func)
 		return -EINVAL;
@@ -381,7 +407,6 @@ static int pcs_request_gpio(struct pinctrl_dev *pctldev,
 	struct pcs_device *pcs = pinctrl_dev_get_drvdata(pctldev);
 	struct pcs_gpiofunc_range *frange = NULL;
 	struct list_head *pos, *tmp;
-	int mux_bytes = 0;
 	unsigned data;
 
 	/* If function mask is null, return directly. */
@@ -389,29 +414,27 @@ static int pcs_request_gpio(struct pinctrl_dev *pctldev,
 		return -ENOTSUPP;
 
 	list_for_each_safe(pos, tmp, &pcs->gpiofuncs) {
+		u32 offset;
+
 		frange = list_entry(pos, struct pcs_gpiofunc_range, node);
 		if (pin >= frange->offset + frange->npins
 			|| pin < frange->offset)
 			continue;
-		mux_bytes = pcs->width / BITS_PER_BYTE;
 
-		if (pcs->bits_per_mux) {
-			int byte_num, offset, pin_shift;
+		offset = pcs_pin_reg_offset_get(pcs, pin);
 
-			byte_num = (pcs->bits_per_pin * pin) / BITS_PER_BYTE;
-			offset = (byte_num / mux_bytes) * mux_bytes;
-			pin_shift = pin % (pcs->width / pcs->bits_per_pin) *
-				    pcs->bits_per_pin;
+		if (pcs->bits_per_mux) {
+			int pin_shift = pcs_pin_shift_reg_get(pcs, pin);
 
 			data = pcs->read(pcs->base + offset);
 			data &= ~(pcs->fmask << pin_shift);
 			data |= frange->gpiofunc << pin_shift;
 			pcs->write(data, pcs->base + offset);
 		} else {
-			data = pcs->read(pcs->base + pin * mux_bytes);
+			data = pcs->read(pcs->base + offset);
 			data &= ~pcs->fmask;
 			data |= frange->gpiofunc;
-			pcs->write(data, pcs->base + pin * mux_bytes);
+			pcs->write(data, pcs->base + offset);
 		}
 		break;
 	}
@@ -462,7 +485,8 @@ static int pcs_pinconf_get(struct pinctrl_dev *pctldev,
 	struct pcs_device *pcs = pinctrl_dev_get_drvdata(pctldev);
 	struct pcs_function *func;
 	enum pin_config_param param;
-	unsigned offset = 0, data = 0, i, j, ret;
+	unsigned offset = 0, data = 0, i, j;
+	int ret;
 
 	ret = pcs_get_function(pctldev, pin, &func);
 	if (ret)
@@ -509,7 +533,8 @@ static int pcs_pinconf_get(struct pinctrl_dev *pctldev,
 			break;
 		case PIN_CONFIG_DRIVE_STRENGTH:
 		case PIN_CONFIG_SLEW_RATE:
-		case PIN_CONFIG_LOW_POWER_MODE:
+		case PIN_CONFIG_MODE_LOW_POWER:
+		case PIN_CONFIG_INPUT_ENABLE:
 		default:
 			*config = data;
 			break;
@@ -525,42 +550,51 @@ static int pcs_pinconf_set(struct pinctrl_dev *pctldev,
 {
 	struct pcs_device *pcs = pinctrl_dev_get_drvdata(pctldev);
 	struct pcs_function *func;
-	unsigned offset = 0, shift = 0, i, data, ret;
+	unsigned offset = 0, shift = 0, i, data;
 	u32 arg;
-	int j;
+	int j, ret;
+	enum pin_config_param param;
 
 	ret = pcs_get_function(pctldev, pin, &func);
 	if (ret)
 		return ret;
 
 	for (j = 0; j < num_configs; j++) {
+		param = pinconf_to_config_param(configs[j]);
+
+		/* BIAS_DISABLE has no entry in the func->conf table */
+		if (param == PIN_CONFIG_BIAS_DISABLE) {
+			/* This just disables all bias entries */
+			pcs_pinconf_clear_bias(pctldev, pin);
+			continue;
+		}
+
 		for (i = 0; i < func->nconfs; i++) {
-			if (pinconf_to_config_param(configs[j])
-				!= func->conf[i].param)
+			if (param != func->conf[i].param)
 				continue;
 
 			offset = pin * (pcs->width / BITS_PER_BYTE);
 			data = pcs->read(pcs->base + offset);
 			arg = pinconf_to_config_argument(configs[j]);
-			switch (func->conf[i].param) {
+			switch (param) {
 			/* 2 parameters */
 			case PIN_CONFIG_INPUT_SCHMITT:
 			case PIN_CONFIG_DRIVE_STRENGTH:
 			case PIN_CONFIG_SLEW_RATE:
-			case PIN_CONFIG_LOW_POWER_MODE:
+			case PIN_CONFIG_MODE_LOW_POWER:
+			case PIN_CONFIG_INPUT_ENABLE:
 				shift = ffs(func->conf[i].mask) - 1;
 				data &= ~func->conf[i].mask;
 				data |= (arg << shift) & func->conf[i].mask;
 				break;
 			/* 4 parameters */
-			case PIN_CONFIG_BIAS_DISABLE:
-				pcs_pinconf_clear_bias(pctldev, pin);
-				break;
 			case PIN_CONFIG_BIAS_PULL_DOWN:
 			case PIN_CONFIG_BIAS_PULL_UP:
-				if (arg)
+				if (arg) {
 					pcs_pinconf_clear_bias(pctldev, pin);
-				/* fall through */
+					data = pcs->read(pcs->base + offset);
+				}
+				fallthrough;
 			case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
 				data &= ~func->conf[i].mask;
 				if (arg)
@@ -654,8 +688,7 @@ static const struct pinconf_ops pcs_pinconf_ops = {
  * @pcs: pcs driver instance
  * @offset: register offset from base
  */
-static int pcs_add_pin(struct pcs_device *pcs, unsigned offset,
-		unsigned pin_pos)
+static int pcs_add_pin(struct pcs_device *pcs, unsigned int offset)
 {
 	struct pcs_soc_data *pcs_soc = &pcs->socdata;
 	struct pinctrl_pin_desc *pin;
@@ -699,14 +732,12 @@ static int pcs_add_pin(struct pcs_device *pcs, unsigned offset,
 static int pcs_allocate_pin_table(struct pcs_device *pcs)
 {
 	int mux_bytes, nr_pins, i;
-	int num_pins_in_register = 0;
 
 	mux_bytes = pcs->width / BITS_PER_BYTE;
 
-	if (pcs->bits_per_mux) {
+	if (pcs->bits_per_mux && pcs->fmask) {
 		pcs->bits_per_pin = fls(pcs->fmask);
 		nr_pins = (pcs->size * BITS_PER_BYTE) / pcs->bits_per_pin;
-		num_pins_in_register = pcs->width / pcs->bits_per_pin;
 	} else {
 		nr_pins = pcs->size / mux_bytes;
 	}
@@ -724,17 +755,9 @@ static int pcs_allocate_pin_table(struct pcs_device *pcs)
 	for (i = 0; i < pcs->desc.npins; i++) {
 		unsigned offset;
 		int res;
-		int byte_num;
-		int pin_pos = 0;
 
-		if (pcs->bits_per_mux) {
-			byte_num = (pcs->bits_per_pin * i) / BITS_PER_BYTE;
-			offset = (byte_num / mux_bytes) * mux_bytes;
-			pin_pos = i % num_pins_in_register;
-		} else {
-			offset = i * mux_bytes;
-		}
-		res = pcs_add_pin(pcs, offset, pin_pos);
+		offset = pcs_pin_reg_offset_get(pcs, i);
+		res = pcs_add_pin(pcs, offset);
 		if (res < 0) {
 			dev_err(pcs->dev, "error adding pins: %i\n", res);
 			return res;
@@ -773,6 +796,7 @@ static int pcs_add_function(struct pcs_device *pcs,
 
 	function->vals = vals;
 	function->nvals = nvals;
+	function->name = name;
 
 	selector = pinmux_generic_add_function(pcs->pctl, name,
 					       pgnames, npgnames,
@@ -904,8 +928,9 @@ static int pcs_parse_pinconf(struct pcs_device *pcs, struct device_node *np,
 	static const struct pcs_conf_type prop2[] = {
 		{ "pinctrl-single,drive-strength", PIN_CONFIG_DRIVE_STRENGTH, },
 		{ "pinctrl-single,slew-rate", PIN_CONFIG_SLEW_RATE, },
+		{ "pinctrl-single,input-enable", PIN_CONFIG_INPUT_ENABLE, },
 		{ "pinctrl-single,input-schmitt", PIN_CONFIG_INPUT_SCHMITT, },
-		{ "pinctrl-single,low-power-mode", PIN_CONFIG_LOW_POWER_MODE, },
+		{ "pinctrl-single,low-power-mode", PIN_CONFIG_MODE_LOW_POWER, },
 	};
 	static const struct pcs_conf_type prop4[] = {
 		{ "pinctrl-single,bias-pullup", PIN_CONFIG_BIAS_PULL_UP, },
@@ -916,19 +941,19 @@ static int pcs_parse_pinconf(struct pcs_device *pcs, struct device_node *np,
 
 	/* If pinconf isn't supported, don't parse properties in below. */
 	if (!PCS_HAS_PINCONF)
-		return 0;
+		return -ENOTSUPP;
 
 	/* cacluate how much properties are supported in current node */
 	for (i = 0; i < ARRAY_SIZE(prop2); i++) {
-		if (of_find_property(np, prop2[i].name, NULL))
+		if (of_property_present(np, prop2[i].name))
 			nconfs++;
 	}
 	for (i = 0; i < ARRAY_SIZE(prop4); i++) {
-		if (of_find_property(np, prop4[i].name, NULL))
+		if (of_property_present(np, prop4[i].name))
 			nconfs++;
 	}
 	if (!nconfs)
-		return 0;
+		return -ENOTSUPP;
 
 	func->conf = devm_kcalloc(pcs->dev,
 				  nconfs, sizeof(struct pcs_conf_vals),
@@ -958,8 +983,7 @@ static int pcs_parse_pinconf(struct pcs_device *pcs, struct device_node *np,
 }
 
 /**
- * smux_parse_one_pinctrl_entry() - parses a device tree mux entry
- * @pctldev: pin controller device
+ * pcs_parse_one_pinctrl_entry() - parses a device tree mux entry
  * @pcs: pinctrl driver instance
  * @np: device node of the mux entry
  * @map: map entry
@@ -1011,19 +1035,26 @@ static int pcs_parse_one_pinctrl_entry(struct pcs_device *pcs,
 		if (res)
 			return res;
 
-		if (pinctrl_spec.args_count < 2) {
+		if (pinctrl_spec.args_count < 2 || pinctrl_spec.args_count > 3) {
 			dev_err(pcs->dev, "invalid args_count for spec: %i\n",
 				pinctrl_spec.args_count);
 			break;
 		}
 
-		/* Index plus one value cell */
 		offset = pinctrl_spec.args[0];
 		vals[found].reg = pcs->base + offset;
-		vals[found].val = pinctrl_spec.args[1];
+
+		switch (pinctrl_spec.args_count) {
+		case 2:
+			vals[found].val = pinctrl_spec.args[1];
+			break;
+		case 3:
+			vals[found].val = (pinctrl_spec.args[1] | pinctrl_spec.args[2]);
+			break;
+		}
 
 		dev_dbg(pcs->dev, "%pOFn index: 0x%x value: 0x%x\n",
-			pinctrl_spec.np, offset, pinctrl_spec.args[1]);
+			pinctrl_spec.np, offset, vals[found].val);
 
 		pin = pcs_get_pin_by_offset(pcs, offset);
 		if (pin < 0) {
@@ -1056,9 +1087,12 @@ static int pcs_parse_one_pinctrl_entry(struct pcs_device *pcs,
 
 	if (PCS_HAS_PINCONF && function) {
 		res = pcs_parse_pinconf(pcs, np, function, map);
-		if (res)
+		if (res == 0)
+			*num_maps = 2;
+		else if (res == -ENOTSUPP)
+			*num_maps = 1;
+		else
 			goto free_pingroups;
-		*num_maps = 2;
 	} else {
 		*num_maps = 1;
 	}
@@ -1089,7 +1123,7 @@ static int pcs_parse_bits_in_pinctrl_entry(struct pcs_device *pcs,
 {
 	const char *name = "pinctrl-single,bits";
 	struct pcs_func_vals *vals;
-	int rows, *pins, found = 0, res = -ENOMEM, i, fsel, gsel;
+	int rows, *pins, found = 0, res = -ENOMEM, i, fsel;
 	int npins_in_row;
 	struct pcs_function *function = NULL;
 
@@ -1099,6 +1133,11 @@ static int pcs_parse_bits_in_pinctrl_entry(struct pcs_device *pcs,
 		return -EINVAL;
 	}
 
+	if (PCS_HAS_PINCONF) {
+		dev_err(pcs->dev, "pinconf not supported\n");
+		return -ENOTSUPP;
+	}
+
 	npins_in_row = pcs->width / pcs->bits_per_pin;
 
 	vals = devm_kzalloc(pcs->dev,
@@ -1186,29 +1225,19 @@ static int pcs_parse_bits_in_pinctrl_entry(struct pcs_device *pcs,
 		goto free_pins;
 	}
 
-	gsel = pinctrl_generic_add_group(pcs->pctl, np->name, pins, found, pcs);
-	if (gsel < 0) {
-		res = gsel;
+	res = pinctrl_generic_add_group(pcs->pctl, np->name, pins, found, pcs);
+	if (res < 0)
 		goto free_function;
-	}
 
 	(*map)->type = PIN_MAP_TYPE_MUX_GROUP;
 	(*map)->data.mux.group = np->name;
 	(*map)->data.mux.function = np->name;
 
-	if (PCS_HAS_PINCONF) {
-		dev_err(pcs->dev, "pinconf not supported\n");
-		goto free_pingroups;
-	}
-
 	*num_maps = 1;
 	mutex_unlock(&pcs->mutex);
 
 	return 0;
 
-free_pingroups:
-	pinctrl_generic_remove_group(pcs->pctl, gsel);
-	*num_maps = 1;
 free_function:
 	pinmux_generic_remove_function(pcs->pctl, fsel);
 free_pins:
@@ -1305,7 +1334,6 @@ static void pcs_irq_free(struct pcs_device *pcs)
 static void pcs_free_resources(struct pcs_device *pcs)
 {
 	pcs_irq_free(pcs);
-	pinctrl_unregister(pcs->pctl);
 
 #if IS_BUILTIN(CONFIG_PINCTRL_SINGLE)
 	if (pcs->missing_nr_pinctrl_cells)
@@ -1343,7 +1371,9 @@ static int pcs_add_gpio_func(struct device_node *node, struct pcs_device *pcs)
 	}
 	return ret;
 }
+
 /**
+ * struct pcs_interrupt
  * @reg:	virtual address of interrupt register
  * @hwirq:	hardware irq number
  * @irq:	virtual irq number
@@ -1358,6 +1388,9 @@ struct pcs_interrupt {
 
 /**
  * pcs_irq_set() - enables or disables an interrupt
+ * @pcs_soc: SoC specific settings
+ * @irq: interrupt
+ * @enable: enable or disable the interrupt
  *
  * Note that this currently assumes one interrupt per pinctrl
  * register that is typically used for wake-up events.
@@ -1438,7 +1471,7 @@ static int pcs_irq_set_wake(struct irq_data *d, unsigned int state)
 
 /**
  * pcs_irq_handle() - common interrupt handler
- * @pcs_irq: interrupt data
+ * @pcs_soc: SoC specific settings
  *
  * Note that this currently assumes we have one interrupt bit per
  * mux register. This interrupt is typically used for wake-up events.
@@ -1460,8 +1493,8 @@ static int pcs_irq_handle(struct pcs_soc_data *pcs_soc)
 		mask = pcs->read(pcswi->reg);
 		raw_spin_unlock(&pcs->lock);
 		if (mask & pcs_soc->irq_status_mask) {
-			generic_handle_irq(irq_find_mapping(pcs->domain,
-							    pcswi->hwirq));
+			generic_handle_domain_irq(pcs->domain,
+						  pcswi->hwirq);
 			count++;
 		}
 	}
@@ -1485,8 +1518,7 @@ static irqreturn_t pcs_irq_handler(int irq, void *d)
 }
 
 /**
- * pcs_irq_handle() - handler for the dedicated chained interrupt case
- * @irq: interrupt
+ * pcs_irq_chain_handler() - handler for the dedicated chained interrupt case
  * @desc: interrupt descriptor
  *
  * Use this if you have a separate interrupt for each
@@ -1582,15 +1614,16 @@ static int pcs_irq_init_chained_handler(struct pcs_device *pcs,
 
 	/*
 	 * We can use the register offset as the hardirq
-	 * number as irq_domain_add_simple maps them lazily.
+	 * number as irq_domain_create_simple maps them lazily.
 	 * This way we can easily support more than one
 	 * interrupt per function if needed.
 	 */
 	num_irqs = pcs->size;
 
-	pcs->domain = irq_domain_add_simple(np, num_irqs, 0,
-					    &pcs_irqdomain_ops,
-					    pcs_soc);
+	pcs->domain = irq_domain_create_simple(of_fwnode_handle(np),
+					       num_irqs, 0,
+					       &pcs_irqdomain_ops,
+					       pcs_soc);
 	if (!pcs->domain) {
 		irq_set_chained_handler(pcs_soc->irq, NULL);
 		return -EINVAL;
@@ -1599,7 +1632,6 @@ static int pcs_irq_init_chained_handler(struct pcs_device *pcs,
 	return 0;
 }
 
-#ifdef CONFIG_PM
 static int pcs_save_context(struct pcs_device *pcs)
 {
 	int i, mux_bytes;
@@ -1664,14 +1696,9 @@ static void pcs_restore_context(struct pcs_device *pcs)
 	}
 }
 
-static int pinctrl_single_suspend(struct platform_device *pdev,
-					pm_message_t state)
+static int pinctrl_single_suspend_noirq(struct device *dev)
 {
-	struct pcs_device *pcs;
-
-	pcs = platform_get_drvdata(pdev);
-	if (!pcs)
-		return -EINVAL;
+	struct pcs_device *pcs = dev_get_drvdata(dev);
 
 	if (pcs->flags & PCS_CONTEXT_LOSS_OFF) {
 		int ret;
@@ -1684,20 +1711,19 @@ static int pinctrl_single_suspend(struct platform_device *pdev,
 	return pinctrl_force_sleep(pcs->pctl);
 }
 
-static int pinctrl_single_resume(struct platform_device *pdev)
+static int pinctrl_single_resume_noirq(struct device *dev)
 {
-	struct pcs_device *pcs;
-
-	pcs = platform_get_drvdata(pdev);
-	if (!pcs)
-		return -EINVAL;
+	struct pcs_device *pcs = dev_get_drvdata(dev);
 
 	if (pcs->flags & PCS_CONTEXT_LOSS_OFF)
 		pcs_restore_context(pcs);
 
 	return pinctrl_force_default(pcs->pctl);
 }
-#endif
+
+static DEFINE_NOIRQ_DEV_PM_OPS(pinctrl_single_pm_ops,
+			       pinctrl_single_suspend_noirq,
+			       pinctrl_single_resume_noirq);
 
 /**
  * pcs_quirk_missing_pinctrl_cells - handle legacy binding
@@ -1858,7 +1884,7 @@ static int pcs_probe(struct platform_device *pdev)
 	if (ret < 0)
 		goto free;
 
-	ret = pinctrl_register_and_init(&pcs->desc, pcs->dev, pcs, &pcs->pctl);
+	ret = devm_pinctrl_register_and_init(pcs->dev, &pcs->desc, pcs, &pcs->pctl);
 	if (ret) {
 		dev_err(pcs->dev, "could not register single pinctrl driver\n");
 		goto free;
@@ -1891,24 +1917,22 @@ static int pcs_probe(struct platform_device *pdev)
 
 	dev_info(pcs->dev, "%i pins, size %u\n", pcs->desc.npins, pcs->size);
 
-	return pinctrl_enable(pcs->pctl);
+	ret = pinctrl_enable(pcs->pctl);
+	if (ret)
+		goto free;
 
+	return 0;
 free:
 	pcs_free_resources(pcs);
 
 	return ret;
 }
 
-static int pcs_remove(struct platform_device *pdev)
+static void pcs_remove(struct platform_device *pdev)
 {
 	struct pcs_device *pcs = platform_get_drvdata(pdev);
 
-	if (!pcs)
-		return 0;
-
 	pcs_free_resources(pcs);
-
-	return 0;
 }
 
 static const struct pcs_soc_data pinctrl_single_omap_wkup = {
@@ -1928,6 +1952,16 @@ static const struct pcs_soc_data pinctrl_single_am437x = {
 	.irq_status_mask = (1 << 30),   /* OMAP_WAKEUP_EVENT */
 };
 
+static const struct pcs_soc_data pinctrl_single_am654 = {
+	.flags = PCS_QUIRK_SHARED_IRQ | PCS_CONTEXT_LOSS_OFF,
+	.irq_enable_mask = (1 << 29),   /* WKUP_EN */
+	.irq_status_mask = (1 << 30),   /* WKUP_EVT */
+};
+
+static const struct pcs_soc_data pinctrl_single_j7200 = {
+	.flags = PCS_CONTEXT_LOSS_OFF,
+};
+
 static const struct pcs_soc_data pinctrl_single = {
 };
 
@@ -1936,11 +1970,14 @@ static const struct pcs_soc_data pinconf_single = {
 };
 
 static const struct of_device_id pcs_of_match[] = {
+	{ .compatible = "marvell,pxa1908-padconf", .data = &pinconf_single },
+	{ .compatible = "ti,am437-padconf", .data = &pinctrl_single_am437x },
+	{ .compatible = "ti,am654-padconf", .data = &pinctrl_single_am654 },
+	{ .compatible = "ti,dra7-padconf", .data = &pinctrl_single_dra7 },
 	{ .compatible = "ti,omap3-padconf", .data = &pinctrl_single_omap_wkup },
 	{ .compatible = "ti,omap4-padconf", .data = &pinctrl_single_omap_wkup },
 	{ .compatible = "ti,omap5-padconf", .data = &pinctrl_single_omap_wkup },
-	{ .compatible = "ti,dra7-padconf", .data = &pinctrl_single_dra7 },
-	{ .compatible = "ti,am437-padconf", .data = &pinctrl_single_am437x },
+	{ .compatible = "ti,j7200-padconf", .data = &pinctrl_single_j7200 },
 	{ .compatible = "pinctrl-single", .data = &pinctrl_single },
 	{ .compatible = "pinconf-single", .data = &pinconf_single },
 	{ },
@@ -1953,11 +1990,8 @@ static struct platform_driver pcs_driver = {
 	.driver = {
 		.name		= DRIVER_NAME,
 		.of_match_table	= pcs_of_match,
+		.pm = pm_sleep_ptr(&pinctrl_single_pm_ops),
 	},
-#ifdef CONFIG_PM
-	.suspend = pinctrl_single_suspend,
-	.resume = pinctrl_single_resume,
-#endif
 };
 
 module_platform_driver(pcs_driver);