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path: root/drivers/pinctrl/renesas/pinctrl-rzg2l.c
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Diffstat (limited to 'drivers/pinctrl/renesas/pinctrl-rzg2l.c')
-rw-r--r--drivers/pinctrl/renesas/pinctrl-rzg2l.c117
1 files changed, 45 insertions, 72 deletions
diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
index 632180570b70..5a403915fed2 100644
--- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c
+++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
@@ -16,6 +16,7 @@
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/platform_device.h>
+#include <linux/property.h>
#include <linux/seq_file.h>
#include <linux/spinlock.h>
@@ -51,17 +52,15 @@
#define PIN_CFG_IO_VMC_QSPI BIT(7)
#define PIN_CFG_IO_VMC_ETH0 BIT(8)
#define PIN_CFG_IO_VMC_ETH1 BIT(9)
-#define PIN_CFG_FILONOFF BIT(10)
-#define PIN_CFG_FILNUM BIT(11)
-#define PIN_CFG_FILCLKSEL BIT(12)
-#define PIN_CFG_IOLH_C BIT(13)
-#define PIN_CFG_SOFT_PS BIT(14)
-#define PIN_CFG_OEN BIT(15)
-#define PIN_CFG_NOGPIO_INT BIT(16)
-#define PIN_CFG_NOD BIT(17) /* N-ch Open Drain */
-#define PIN_CFG_SMT BIT(18) /* Schmitt-trigger input control */
-#define PIN_CFG_ELC BIT(19)
-#define PIN_CFG_IOLH_RZV2H BIT(20)
+#define PIN_CFG_NF BIT(10) /* Digital noise filter */
+#define PIN_CFG_IOLH_C BIT(11)
+#define PIN_CFG_SOFT_PS BIT(12)
+#define PIN_CFG_OEN BIT(13)
+#define PIN_CFG_NOGPIO_INT BIT(14)
+#define PIN_CFG_NOD BIT(15) /* N-ch Open Drain */
+#define PIN_CFG_SMT BIT(16) /* Schmitt-trigger input control */
+#define PIN_CFG_ELC BIT(17)
+#define PIN_CFG_IOLH_RZV2H BIT(18)
#define RZG2L_SINGLE_PIN BIT_ULL(63) /* Dedicated pin */
#define RZG2L_VARIABLE_CFG BIT_ULL(62) /* Variable cfg for port pins */
@@ -69,9 +68,7 @@
#define RZG2L_MPXED_COMMON_PIN_FUNCS(group) \
(PIN_CFG_IOLH_##group | \
PIN_CFG_PUPD | \
- PIN_CFG_FILONOFF | \
- PIN_CFG_FILNUM | \
- PIN_CFG_FILCLKSEL)
+ PIN_CFG_NF)
#define RZG2L_MPXED_PIN_FUNCS (RZG2L_MPXED_COMMON_PIN_FUNCS(A) | \
PIN_CFG_SR)
@@ -84,10 +81,7 @@
PIN_CFG_SR | \
PIN_CFG_SMT)
-#define RZG2L_MPXED_ETH_PIN_FUNCS(x) ((x) | \
- PIN_CFG_FILONOFF | \
- PIN_CFG_FILNUM | \
- PIN_CFG_FILCLKSEL)
+#define RZG2L_MPXED_ETH_PIN_FUNCS(x) ((x) | PIN_CFG_NF)
#define PIN_CFG_PIN_MAP_MASK GENMASK_ULL(61, 54)
#define PIN_CFG_PIN_REG_MASK GENMASK_ULL(53, 46)
@@ -394,13 +388,13 @@ static const u64 r9a09g057_variable_pin_cfg[] = {
#ifdef CONFIG_RISCV
static const u64 r9a07g043f_variable_pin_cfg[] = {
RZG2L_VARIABLE_PIN_CFG_PACK(20, 0, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD |
- PIN_CFG_FILONOFF | PIN_CFG_FILNUM | PIN_CFG_FILCLKSEL |
+ PIN_CFG_NF |
PIN_CFG_IEN | PIN_CFG_NOGPIO_INT),
RZG2L_VARIABLE_PIN_CFG_PACK(20, 1, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD |
- PIN_CFG_FILONOFF | PIN_CFG_FILNUM | PIN_CFG_FILCLKSEL |
+ PIN_CFG_NF |
PIN_CFG_IEN | PIN_CFG_NOGPIO_INT),
RZG2L_VARIABLE_PIN_CFG_PACK(20, 2, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD |
- PIN_CFG_FILONOFF | PIN_CFG_FILNUM | PIN_CFG_FILCLKSEL |
+ PIN_CFG_NF |
PIN_CFG_IEN | PIN_CFG_NOGPIO_INT),
RZG2L_VARIABLE_PIN_CFG_PACK(20, 3, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD |
PIN_CFG_IEN | PIN_CFG_NOGPIO_INT),
@@ -431,7 +425,7 @@ static const u64 r9a07g043f_variable_pin_cfg[] = {
RZG2L_VARIABLE_PIN_CFG_PACK(24, 4, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD |
PIN_CFG_NOGPIO_INT),
RZG2L_VARIABLE_PIN_CFG_PACK(24, 5, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD |
- PIN_CFG_FILONOFF | PIN_CFG_FILNUM | PIN_CFG_FILCLKSEL |
+ PIN_CFG_NF |
PIN_CFG_NOGPIO_INT),
};
#endif
@@ -528,8 +522,7 @@ static int rzg2l_map_add_config(struct pinctrl_map *map,
{
unsigned long *cfgs;
- cfgs = kmemdup(configs, num_configs * sizeof(*cfgs),
- GFP_KERNEL);
+ cfgs = kmemdup_array(configs, num_configs, sizeof(*cfgs), GFP_KERNEL);
if (!cfgs)
return -ENOMEM;
@@ -1261,7 +1254,9 @@ static int rzg2l_pinctrl_pinconf_get(struct pinctrl_dev *pctldev,
break;
case PIN_CONFIG_OUTPUT_ENABLE:
- if (!pctrl->data->oen_read || !(cfg & PIN_CFG_OEN))
+ if (!(cfg & PIN_CFG_OEN))
+ return -EINVAL;
+ if (!pctrl->data->oen_read)
return -EOPNOTSUPP;
arg = pctrl->data->oen_read(pctrl, _pin);
if (!arg)
@@ -1390,9 +1385,9 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev,
for (i = 0; i < num_configs; i++) {
param = pinconf_to_config_param(_configs[i]);
+ arg = pinconf_to_config_argument(_configs[i]);
switch (param) {
case PIN_CONFIG_INPUT_ENABLE:
- arg = pinconf_to_config_argument(_configs[i]);
if (!(cfg & PIN_CFG_IEN))
return -EINVAL;
@@ -1401,8 +1396,9 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev,
break;
case PIN_CONFIG_OUTPUT_ENABLE:
- arg = pinconf_to_config_argument(_configs[i]);
- if (!pctrl->data->oen_write || !(cfg & PIN_CFG_OEN))
+ if (!(cfg & PIN_CFG_OEN))
+ return -EINVAL;
+ if (!pctrl->data->oen_write)
return -EOPNOTSUPP;
ret = pctrl->data->oen_write(pctrl, _pin, !!arg);
if (ret)
@@ -1410,12 +1406,10 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev,
break;
case PIN_CONFIG_POWER_SOURCE:
- settings.power_source = pinconf_to_config_argument(_configs[i]);
+ settings.power_source = arg;
break;
case PIN_CONFIG_SLEW_RATE:
- arg = pinconf_to_config_argument(_configs[i]);
-
if (!(cfg & PIN_CFG_SR) || arg > 1)
return -EINVAL;
@@ -1436,8 +1430,6 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev,
break;
case PIN_CONFIG_DRIVE_STRENGTH:
- arg = pinconf_to_config_argument(_configs[i]);
-
if (!(cfg & PIN_CFG_IOLH_A) || hwcfg->drive_strength_ua)
return -EINVAL;
@@ -1457,12 +1449,10 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev,
!hwcfg->drive_strength_ua)
return -EINVAL;
- settings.drive_strength_ua = pinconf_to_config_argument(_configs[i]);
+ settings.drive_strength_ua = arg;
break;
case PIN_CONFIG_OUTPUT_IMPEDANCE_OHMS:
- arg = pinconf_to_config_argument(_configs[i]);
-
if (!(cfg & PIN_CFG_IOLH_B) || !hwcfg->iolh_groupb_oi[0])
return -EINVAL;
@@ -1480,7 +1470,6 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev,
if (!(cfg & PIN_CFG_IOLH_RZV2H))
return -EINVAL;
- arg = pinconf_to_config_argument(_configs[i]);
if (arg > 3)
return -EINVAL;
rzg2l_rmw_pin_config(pctrl, IOLH(off), bit, IOLH_MASK, arg);
@@ -1883,8 +1872,7 @@ static const u64 r9a07g043_gpio_configs[] = {
#ifdef CONFIG_RISCV
/* Below additional port pins (P19 - P28) are exclusively available on RZ/Five SoC only */
RZG2L_GPIO_PORT_SPARSE_PACK(0x2, 0x06, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD |
- PIN_CFG_FILONOFF | PIN_CFG_FILNUM | PIN_CFG_FILCLKSEL |
- PIN_CFG_IEN | PIN_CFG_NOGPIO_INT), /* P19 */
+ PIN_CFG_NF | PIN_CFG_IEN | PIN_CFG_NOGPIO_INT), /* P19 */
RZG2L_GPIO_PORT_PACK_VARIABLE(8, 0x07), /* P20 */
RZG2L_GPIO_PORT_SPARSE_PACK(0x2, 0x08, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD |
PIN_CFG_IEN | PIN_CFG_NOGPIO_INT), /* P21 */
@@ -1892,8 +1880,7 @@ static const u64 r9a07g043_gpio_configs[] = {
PIN_CFG_IEN | PIN_CFG_NOGPIO_INT), /* P22 */
RZG2L_GPIO_PORT_SPARSE_PACK_VARIABLE(0x3e, 0x0a), /* P23 */
RZG2L_GPIO_PORT_PACK_VARIABLE(6, 0x0b), /* P24 */
- RZG2L_GPIO_PORT_SPARSE_PACK(0x2, 0x0c, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_FILONOFF |
- PIN_CFG_FILNUM | PIN_CFG_FILCLKSEL |
+ RZG2L_GPIO_PORT_SPARSE_PACK(0x2, 0x0c, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_NF |
PIN_CFG_NOGPIO_INT), /* P25 */
0x0, /* P26 */
0x0, /* P27 */
@@ -1971,8 +1958,7 @@ static const struct {
struct rzg2l_dedicated_configs rzg2l_pins[7];
} rzg2l_dedicated_pins = {
.common = {
- { "NMI", RZG2L_SINGLE_PIN_PACK(0x1, 0,
- (PIN_CFG_FILONOFF | PIN_CFG_FILNUM | PIN_CFG_FILCLKSEL)) },
+ { "NMI", RZG2L_SINGLE_PIN_PACK(0x1, 0, PIN_CFG_NF) },
{ "TMS/SWDIO", RZG2L_SINGLE_PIN_PACK(0x2, 0,
(PIN_CFG_IOLH_A | PIN_CFG_SR | PIN_CFG_IEN)) },
{ "TDO", RZG2L_SINGLE_PIN_PACK(0x3, 0,
@@ -2053,8 +2039,7 @@ static const struct {
};
static const struct rzg2l_dedicated_configs rzg3s_dedicated_pins[] = {
- { "NMI", RZG2L_SINGLE_PIN_PACK(0x0, 0, (PIN_CFG_FILONOFF | PIN_CFG_FILNUM |
- PIN_CFG_FILCLKSEL)) },
+ { "NMI", RZG2L_SINGLE_PIN_PACK(0x0, 0, PIN_CFG_NF) },
{ "TMS/SWDIO", RZG2L_SINGLE_PIN_PACK(0x1, 0, (PIN_CFG_IOLH_A | PIN_CFG_IEN |
PIN_CFG_SOFT_PS)) },
{ "TDO", RZG2L_SINGLE_PIN_PACK(0x1, 1, (PIN_CFG_IOLH_A | PIN_CFG_SOFT_PS)) },
@@ -2093,8 +2078,7 @@ static const struct rzg2l_dedicated_configs rzg3s_dedicated_pins[] = {
};
static struct rzg2l_dedicated_configs rzv2h_dedicated_pins[] = {
- { "NMI", RZG2L_SINGLE_PIN_PACK(0x1, 0, (PIN_CFG_FILONOFF | PIN_CFG_FILNUM |
- PIN_CFG_FILCLKSEL)) },
+ { "NMI", RZG2L_SINGLE_PIN_PACK(0x1, 0, PIN_CFG_NF) },
{ "TMS_SWDIO", RZG2L_SINGLE_PIN_PACK(0x3, 0, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR |
PIN_CFG_IEN)) },
{ "TDO", RZG2L_SINGLE_PIN_PACK(0x3, 2, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR)) },
@@ -2596,16 +2580,13 @@ static int rzg2l_gpio_register(struct rzg2l_pinctrl *pctrl)
return -EPROBE_DEFER;
ret = of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, 0, &of_args);
- if (ret) {
- dev_err(pctrl->dev, "Unable to parse gpio-ranges\n");
- return ret;
- }
+ if (ret)
+ return dev_err_probe(pctrl->dev, ret, "Unable to parse gpio-ranges\n");
if (of_args.args[0] != 0 || of_args.args[1] != 0 ||
- of_args.args[2] != pctrl->data->n_port_pins) {
- dev_err(pctrl->dev, "gpio-ranges does not match selected SOC\n");
- return -EINVAL;
- }
+ of_args.args[2] != pctrl->data->n_port_pins)
+ return dev_err_probe(pctrl->dev, -EINVAL,
+ "gpio-ranges does not match selected SOC\n");
chip->names = pctrl->data->port_pins;
chip->request = rzg2l_gpio_request;
@@ -2623,7 +2604,7 @@ static int rzg2l_gpio_register(struct rzg2l_pinctrl *pctrl)
girq = &chip->irq;
gpio_irq_chip_set_chip(girq, &rzg2l_gpio_irqchip);
- girq->fwnode = of_node_to_fwnode(np);
+ girq->fwnode = dev_fwnode(pctrl->dev);
girq->parent_domain = parent_domain;
girq->child_to_parent_hwirq = rzg2l_gpio_child_to_parent_hwirq;
girq->populate_parent_alloc_arg = rzg2l_gpio_populate_parent_fwspec;
@@ -2637,10 +2618,8 @@ static int rzg2l_gpio_register(struct rzg2l_pinctrl *pctrl)
pctrl->gpio_range.name = chip->label;
pctrl->gpio_range.gc = chip;
ret = devm_gpiochip_add_data(pctrl->dev, chip, pctrl);
- if (ret) {
- dev_err(pctrl->dev, "failed to add GPIO controller\n");
- return ret;
- }
+ if (ret)
+ return dev_err_probe(pctrl->dev, ret, "failed to add GPIO controller\n");
dev_dbg(pctrl->dev, "Registered gpio controller\n");
@@ -2726,22 +2705,16 @@ static int rzg2l_pinctrl_register(struct rzg2l_pinctrl *pctrl)
ret = devm_pinctrl_register_and_init(pctrl->dev, &pctrl->desc, pctrl,
&pctrl->pctl);
- if (ret) {
- dev_err(pctrl->dev, "pinctrl registration failed\n");
- return ret;
- }
+ if (ret)
+ return dev_err_probe(pctrl->dev, ret, "pinctrl registration failed\n");
ret = pinctrl_enable(pctrl->pctl);
- if (ret) {
- dev_err(pctrl->dev, "pinctrl enable failed\n");
- return ret;
- }
+ if (ret)
+ dev_err_probe(pctrl->dev, ret, "pinctrl enable failed\n");
ret = rzg2l_gpio_register(pctrl);
- if (ret) {
- dev_err(pctrl->dev, "failed to add GPIO chip: %i\n", ret);
- return ret;
- }
+ if (ret)
+ return dev_err_probe(pctrl->dev, ret, "failed to add GPIO chip\n");
return 0;
}