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-rw-r--r--drivers/pinctrl/samsung/pinctrl-exynos.c14
-rw-r--r--drivers/pinctrl/samsung/pinctrl-exynos.h1
-rw-r--r--drivers/pinctrl/samsung/pinctrl-s3c24xx.c37
-rw-r--r--drivers/pinctrl/samsung/pinctrl-s3c64xx.c40
-rw-r--r--drivers/pinctrl/samsung/pinctrl-samsung.c12
-rw-r--r--drivers/pinctrl/samsung/pinctrl-samsung.h15
-rw-r--r--include/dt-bindings/pinctrl/samsung.h3
7 files changed, 67 insertions, 55 deletions
diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c
index 731530a9ce38..d68d52dc6804 100644
--- a/drivers/pinctrl/samsung/pinctrl-exynos.c
+++ b/drivers/pinctrl/samsung/pinctrl-exynos.c
@@ -31,6 +31,8 @@
#include <linux/err.h>
#include <linux/soc/samsung/exynos-pmu.h>
+#include <dt-bindings/pinctrl/samsung.h>
+
#include "pinctrl-samsung.h"
#include "pinctrl-exynos.h"
@@ -174,10 +176,10 @@ static int exynos_irq_request_resources(struct irq_data *irqd)
spin_lock_irqsave(&bank->slock, flags);
- con = readl(bank->eint_base + reg_con);
+ con = readl(bank->pctl_base + reg_con);
con &= ~(mask << shift);
- con |= EXYNOS_EINT_FUNC << shift;
- writel(con, bank->eint_base + reg_con);
+ con |= EXYNOS_PIN_FUNC_EINT << shift;
+ writel(con, bank->pctl_base + reg_con);
spin_unlock_irqrestore(&bank->slock, flags);
@@ -202,10 +204,10 @@ static void exynos_irq_release_resources(struct irq_data *irqd)
spin_lock_irqsave(&bank->slock, flags);
- con = readl(bank->eint_base + reg_con);
+ con = readl(bank->pctl_base + reg_con);
con &= ~(mask << shift);
- con |= FUNC_INPUT << shift;
- writel(con, bank->eint_base + reg_con);
+ con |= EXYNOS_PIN_FUNC_INPUT << shift;
+ writel(con, bank->pctl_base + reg_con);
spin_unlock_irqrestore(&bank->slock, flags);
diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.h b/drivers/pinctrl/samsung/pinctrl-exynos.h
index b90139715c8f..7639b926c5c1 100644
--- a/drivers/pinctrl/samsung/pinctrl-exynos.h
+++ b/drivers/pinctrl/samsung/pinctrl-exynos.h
@@ -32,7 +32,6 @@
#define EXYNOS7_WKUP_EMASK_OFFSET 0x900
#define EXYNOS7_WKUP_EPEND_OFFSET 0xA00
#define EXYNOS_SVC_OFFSET 0xB08
-#define EXYNOS_EINT_FUNC 0xF
/* helpers to access interrupt service register */
#define EXYNOS_SVC_GROUP_SHIFT 3
diff --git a/drivers/pinctrl/samsung/pinctrl-s3c24xx.c b/drivers/pinctrl/samsung/pinctrl-s3c24xx.c
index 49774851e84a..edf27264b603 100644
--- a/drivers/pinctrl/samsung/pinctrl-s3c24xx.c
+++ b/drivers/pinctrl/samsung/pinctrl-s3c24xx.c
@@ -151,7 +151,7 @@ static void s3c24xx_eint_set_function(struct samsung_pinctrl_drv_data *d,
u32 val;
/* Make sure that pin is configured as interrupt */
- reg = bank->pctl_base + bank->pctl_offset;
+ reg = d->virt_base + bank->pctl_offset;
shift = pin * bank_type->fld_width[PINCFG_TYPE_FUNC];
mask = (1 << bank_type->fld_width[PINCFG_TYPE_FUNC]) - 1;
@@ -184,7 +184,7 @@ static int s3c24xx_eint_type(struct irq_data *data, unsigned int type)
s3c24xx_eint_set_handler(data, type);
/* Set up interrupt trigger */
- reg = bank->eint_base + EINT_REG(index);
+ reg = d->virt_base + EINT_REG(index);
shift = EINT_OFFS(index);
val = readl(reg);
@@ -259,29 +259,32 @@ static void s3c2410_demux_eint0_3(struct irq_desc *desc)
static void s3c2412_eint0_3_ack(struct irq_data *data)
{
struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
+ struct samsung_pinctrl_drv_data *d = bank->drvdata;
unsigned long bitval = 1UL << data->hwirq;
- writel(bitval, bank->eint_base + EINTPEND_REG);
+ writel(bitval, d->virt_base + EINTPEND_REG);
}
static void s3c2412_eint0_3_mask(struct irq_data *data)
{
struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
+ struct samsung_pinctrl_drv_data *d = bank->drvdata;
unsigned long mask;
- mask = readl(bank->eint_base + EINTMASK_REG);
+ mask = readl(d->virt_base + EINTMASK_REG);
mask |= (1UL << data->hwirq);
- writel(mask, bank->eint_base + EINTMASK_REG);
+ writel(mask, d->virt_base + EINTMASK_REG);
}
static void s3c2412_eint0_3_unmask(struct irq_data *data)
{
struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
+ struct samsung_pinctrl_drv_data *d = bank->drvdata;
unsigned long mask;
- mask = readl(bank->eint_base + EINTMASK_REG);
+ mask = readl(d->virt_base + EINTMASK_REG);
mask &= ~(1UL << data->hwirq);
- writel(mask, bank->eint_base + EINTMASK_REG);
+ writel(mask, d->virt_base + EINTMASK_REG);
}
static struct irq_chip s3c2412_eint0_3_chip = {
@@ -316,31 +319,34 @@ static void s3c2412_demux_eint0_3(struct irq_desc *desc)
static void s3c24xx_eint_ack(struct irq_data *data)
{
struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
+ struct samsung_pinctrl_drv_data *d = bank->drvdata;
unsigned char index = bank->eint_offset + data->hwirq;
- writel(1UL << index, bank->eint_base + EINTPEND_REG);
+ writel(1UL << index, d->virt_base + EINTPEND_REG);
}
static void s3c24xx_eint_mask(struct irq_data *data)
{
struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
+ struct samsung_pinctrl_drv_data *d = bank->drvdata;
unsigned char index = bank->eint_offset + data->hwirq;
unsigned long mask;
- mask = readl(bank->eint_base + EINTMASK_REG);
+ mask = readl(d->virt_base + EINTMASK_REG);
mask |= (1UL << index);
- writel(mask, bank->eint_base + EINTMASK_REG);
+ writel(mask, d->virt_base + EINTMASK_REG);
}
static void s3c24xx_eint_unmask(struct irq_data *data)
{
struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
+ struct samsung_pinctrl_drv_data *d = bank->drvdata;
unsigned char index = bank->eint_offset + data->hwirq;
unsigned long mask;
- mask = readl(bank->eint_base + EINTMASK_REG);
+ mask = readl(d->virt_base + EINTMASK_REG);
mask &= ~(1UL << index);
- writel(mask, bank->eint_base + EINTMASK_REG);
+ writel(mask, d->virt_base + EINTMASK_REG);
}
static struct irq_chip s3c24xx_eint_chip = {
@@ -356,14 +362,13 @@ static inline void s3c24xx_demux_eint(struct irq_desc *desc,
{
struct s3c24xx_eint_data *data = irq_desc_get_handler_data(desc);
struct irq_chip *chip = irq_desc_get_chip(desc);
- struct irq_data *irqd = irq_desc_get_irq_data(desc);
- struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
+ struct samsung_pinctrl_drv_data *d = data->drvdata;
unsigned int pend, mask;
chained_irq_enter(chip, desc);
- pend = readl(bank->eint_base + EINTPEND_REG);
- mask = readl(bank->eint_base + EINTMASK_REG);
+ pend = readl(d->virt_base + EINTPEND_REG);
+ mask = readl(d->virt_base + EINTMASK_REG);
pend &= ~mask;
pend &= range;
diff --git a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c
index 4a88d7446e87..e63663b32907 100644
--- a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c
+++ b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c
@@ -280,7 +280,7 @@ static void s3c64xx_irq_set_function(struct samsung_pinctrl_drv_data *d,
u32 val;
/* Make sure that pin is configured as interrupt */
- reg = bank->pctl_base + bank->pctl_offset;
+ reg = d->virt_base + bank->pctl_offset;
shift = pin;
if (bank_type->fld_width[PINCFG_TYPE_FUNC] * shift >= 32) {
/* 4-bit bank type with 2 con regs */
@@ -308,8 +308,9 @@ static void s3c64xx_irq_set_function(struct samsung_pinctrl_drv_data *d,
static inline void s3c64xx_gpio_irq_set_mask(struct irq_data *irqd, bool mask)
{
struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
+ struct samsung_pinctrl_drv_data *d = bank->drvdata;
unsigned char index = EINT_OFFS(bank->eint_offset) + irqd->hwirq;
- void __iomem *reg = bank->eint_base + EINTMASK_REG(bank->eint_offset);
+ void __iomem *reg = d->virt_base + EINTMASK_REG(bank->eint_offset);
u32 val;
val = readl(reg);
@@ -333,8 +334,9 @@ static void s3c64xx_gpio_irq_mask(struct irq_data *irqd)
static void s3c64xx_gpio_irq_ack(struct irq_data *irqd)
{
struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
+ struct samsung_pinctrl_drv_data *d = bank->drvdata;
unsigned char index = EINT_OFFS(bank->eint_offset) + irqd->hwirq;
- void __iomem *reg = bank->eint_base + EINTPEND_REG(bank->eint_offset);
+ void __iomem *reg = d->virt_base + EINTPEND_REG(bank->eint_offset);
writel(1 << index, reg);
}
@@ -357,7 +359,7 @@ static int s3c64xx_gpio_irq_set_type(struct irq_data *irqd, unsigned int type)
s3c64xx_irq_set_handler(irqd, type);
/* Set up interrupt trigger */
- reg = bank->eint_base + EINTCON_REG(bank->eint_offset);
+ reg = d->virt_base + EINTCON_REG(bank->eint_offset);
shift = EINT_OFFS(bank->eint_offset) + irqd->hwirq;
shift = 4 * (shift / 4); /* 4 EINTs per trigger selector */
@@ -409,8 +411,7 @@ static void s3c64xx_eint_gpio_irq(struct irq_desc *desc)
{
struct irq_chip *chip = irq_desc_get_chip(desc);
struct s3c64xx_eint_gpio_data *data = irq_desc_get_handler_data(desc);
- struct irq_data *irqd = irq_desc_get_irq_data(desc);
- struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
+ struct samsung_pinctrl_drv_data *drvdata = data->drvdata;
chained_irq_enter(chip, desc);
@@ -420,7 +421,7 @@ static void s3c64xx_eint_gpio_irq(struct irq_desc *desc)
unsigned int pin;
unsigned int virq;
- svc = readl(bank->eint_base + SERVICE_REG);
+ svc = readl(drvdata->virt_base + SERVICE_REG);
group = SVC_GROUP(svc);
pin = svc & SVC_NUM_MASK;
@@ -515,15 +516,15 @@ static inline void s3c64xx_eint0_irq_set_mask(struct irq_data *irqd, bool mask)
{
struct s3c64xx_eint0_domain_data *ddata =
irq_data_get_irq_chip_data(irqd);
- struct samsung_pin_bank *bank = ddata->bank;
+ struct samsung_pinctrl_drv_data *d = ddata->bank->drvdata;
u32 val;
- val = readl(bank->eint_base + EINT0MASK_REG);
+ val = readl(d->virt_base + EINT0MASK_REG);
if (mask)
val |= 1 << ddata->eints[irqd->hwirq];
else
val &= ~(1 << ddata->eints[irqd->hwirq]);
- writel(val, bank->eint_base + EINT0MASK_REG);
+ writel(val, d->virt_base + EINT0MASK_REG);
}
static void s3c64xx_eint0_irq_unmask(struct irq_data *irqd)
@@ -540,10 +541,10 @@ static void s3c64xx_eint0_irq_ack(struct irq_data *irqd)
{
struct s3c64xx_eint0_domain_data *ddata =
irq_data_get_irq_chip_data(irqd);
- struct samsung_pin_bank *bank = ddata->bank;
+ struct samsung_pinctrl_drv_data *d = ddata->bank->drvdata;
writel(1 << ddata->eints[irqd->hwirq],
- bank->eint_base + EINT0PEND_REG);
+ d->virt_base + EINT0PEND_REG);
}
static int s3c64xx_eint0_irq_set_type(struct irq_data *irqd, unsigned int type)
@@ -551,7 +552,7 @@ static int s3c64xx_eint0_irq_set_type(struct irq_data *irqd, unsigned int type)
struct s3c64xx_eint0_domain_data *ddata =
irq_data_get_irq_chip_data(irqd);
struct samsung_pin_bank *bank = ddata->bank;
- struct samsung_pinctrl_drv_data *d = ddata->bank->drvdata;
+ struct samsung_pinctrl_drv_data *d = bank->drvdata;
void __iomem *reg;
int trigger;
u8 shift;
@@ -566,7 +567,7 @@ static int s3c64xx_eint0_irq_set_type(struct irq_data *irqd, unsigned int type)
s3c64xx_irq_set_handler(irqd, type);
/* Set up interrupt trigger */
- reg = bank->eint_base + EINT0CON0_REG;
+ reg = d->virt_base + EINT0CON0_REG;
shift = ddata->eints[irqd->hwirq];
if (shift >= EINT_MAX_PER_REG) {
reg += 4;
@@ -598,19 +599,14 @@ static struct irq_chip s3c64xx_eint0_irq_chip = {
static inline void s3c64xx_irq_demux_eint(struct irq_desc *desc, u32 range)
{
struct irq_chip *chip = irq_desc_get_chip(desc);
- struct irq_data *irqd = irq_desc_get_irq_data(desc);
- struct s3c64xx_eint0_domain_data *ddata =
- irq_data_get_irq_chip_data(irqd);
- struct samsung_pin_bank *bank = ddata->bank;
-
struct s3c64xx_eint0_data *data = irq_desc_get_handler_data(desc);
-
+ struct samsung_pinctrl_drv_data *drvdata = data->drvdata;
unsigned int pend, mask;
chained_irq_enter(chip, desc);
- pend = readl(bank->eint_base + EINT0PEND_REG);
- mask = readl(bank->eint_base + EINT0MASK_REG);
+ pend = readl(drvdata->virt_base + EINT0PEND_REG);
+ mask = readl(drvdata->virt_base + EINT0MASK_REG);
pend = pend & range & ~mask;
pend &= range;
diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c
index f542642eed8d..6efb428b4882 100644
--- a/drivers/pinctrl/samsung/pinctrl-samsung.c
+++ b/drivers/pinctrl/samsung/pinctrl-samsung.c
@@ -30,6 +30,8 @@
#include <linux/of_device.h>
#include <linux/spinlock.h>
+#include <dt-bindings/pinctrl/samsung.h>
+
#include "../core.h"
#include "pinctrl-samsung.h"
@@ -586,7 +588,7 @@ static int samsung_gpio_set_direction(struct gpio_chip *gc,
data = readl(reg);
data &= ~(mask << shift);
if (!input)
- data |= FUNC_OUTPUT << shift;
+ data |= EXYNOS_PIN_FUNC_OUTPUT << shift;
writel(data, reg);
return 0;
@@ -958,7 +960,7 @@ samsung_pinctrl_get_soc_data(struct samsung_pinctrl_drv_data *d,
struct samsung_pin_bank *bank;
struct resource *res;
void __iomem *virt_base[SAMSUNG_PINCTRL_NUM_RESOURCES];
- int i;
+ unsigned int i;
id = of_alias_get_id(node, "pinctrl");
if (id < 0) {
@@ -1013,6 +1015,12 @@ samsung_pinctrl_get_soc_data(struct samsung_pinctrl_drv_data *d,
bank->eint_base = virt_base[0];
bank->pctl_base = virt_base[bdata->pctl_res_idx];
}
+ /*
+ * Legacy platforms should provide only one resource with IO memory.
+ * Store it as virt_base because legacy driver needs to access it
+ * through samsung_pinctrl_drv_data.
+ */
+ d->virt_base = virt_base[0];
for_each_child_of_node(node, np) {
if (!of_find_property(np, "gpio-controller", NULL))
diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.h b/drivers/pinctrl/samsung/pinctrl-samsung.h
index 515a61035e54..9af07af6cad6 100644
--- a/drivers/pinctrl/samsung/pinctrl-samsung.h
+++ b/drivers/pinctrl/samsung/pinctrl-samsung.h
@@ -25,10 +25,6 @@
#include <linux/gpio.h>
-/* pinmux function number for pin as gpio output line */
-#define FUNC_INPUT 0x0
-#define FUNC_OUTPUT 0x1
-
/**
* enum pincfg_type - possible pin configuration types supported.
* @PINCFG_TYPE_FUNC: Function configuration.
@@ -234,8 +230,8 @@ struct samsung_retention_data {
*/
struct samsung_pin_ctrl {
const struct samsung_pin_bank_data *pin_banks;
- u32 nr_banks;
- int nr_ext_resources;
+ unsigned int nr_banks;
+ unsigned int nr_ext_resources;
const struct samsung_retention_data *retention_data;
int (*eint_gpio_init)(struct samsung_pinctrl_drv_data *);
@@ -247,6 +243,10 @@ struct samsung_pin_ctrl {
/**
* struct samsung_pinctrl_drv_data: wrapper for holding driver data together.
* @node: global list node
+ * @virt_base: register base address of the controller; this will be equal
+ * to each bank samsung_pin_bank->pctl_base and used on legacy
+ * platforms (like S3C24XX or S3C64XX) which has to access the base
+ * through samsung_pinctrl_drv_data, not samsung_pin_bank).
* @dev: device instance representing the controller.
* @irq: interrpt number used by the controller to notify gpio interrupts.
* @ctrl: pin controller instance managed by the driver.
@@ -262,6 +262,7 @@ struct samsung_pin_ctrl {
*/
struct samsung_pinctrl_drv_data {
struct list_head node;
+ void __iomem *virt_base;
struct device *dev;
int irq;
@@ -274,7 +275,7 @@ struct samsung_pinctrl_drv_data {
unsigned int nr_functions;
struct samsung_pin_bank *pin_banks;
- u32 nr_banks;
+ unsigned int nr_banks;
unsigned int pin_base;
unsigned int nr_pins;
diff --git a/include/dt-bindings/pinctrl/samsung.h b/include/dt-bindings/pinctrl/samsung.h
index b7aa3646208b..ceb672305f59 100644
--- a/include/dt-bindings/pinctrl/samsung.h
+++ b/include/dt-bindings/pinctrl/samsung.h
@@ -66,7 +66,8 @@
#define EXYNOS_PIN_FUNC_4 4
#define EXYNOS_PIN_FUNC_5 5
#define EXYNOS_PIN_FUNC_6 6
-#define EXYNOS_PIN_FUNC_F 0xf
+#define EXYNOS_PIN_FUNC_EINT 0xf
+#define EXYNOS_PIN_FUNC_F EXYNOS_PIN_FUNC_EINT
/* Drive strengths for Exynos7 FSYS1 block */
#define EXYNOS7_FSYS1_PIN_DRV_LV1 0
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-30 09:38:01 +0000