@@ -27,8 +27,6 @@
#include <linux/soc/samsung/exynos-pmu.h>
#include <linux/soc/samsung/exynos-regs-pmu.h>
-#include <dt-bindings/pinctrl/samsung.h>
-
#include "pinctrl-samsung.h"
#include "pinctrl-exynos.h"
@@ -173,7 +171,7 @@ static int exynos_irq_request_resources(struct irq_data *irqd)
con = readl(bank->pctl_base + reg_con);
con &= ~(mask << shift);
- con |= EXYNOS_PIN_FUNC_EINT << shift;
+ con |= EXYNOS_PIN_CON_FUNC_EINT << shift;
writel(con, bank->pctl_base + reg_con);
raw_spin_unlock_irqrestore(&bank->slock, flags);
@@ -196,7 +194,7 @@ static void exynos_irq_release_resources(struct irq_data *irqd)
con = readl(bank->pctl_base + reg_con);
con &= ~(mask << shift);
- con |= EXYNOS_PIN_FUNC_INPUT << shift;
+ con |= PIN_CON_FUNC_INPUT << shift;
writel(con, bank->pctl_base + reg_con);
raw_spin_unlock_irqrestore(&bank->slock, flags);
@@ -16,6 +16,9 @@
#ifndef __PINCTRL_SAMSUNG_EXYNOS_H
#define __PINCTRL_SAMSUNG_EXYNOS_H
+/* Values for the pin CON register */
+#define EXYNOS_PIN_CON_FUNC_EINT 0xf
+
/* External GPIO and wakeup interrupt related definitions */
#define EXYNOS_GPIO_ECON_OFFSET 0x700
#define EXYNOS_GPIO_EFLTCON_OFFSET 0x800
@@ -26,8 +26,6 @@
#include <linux/of_device.h>
#include <linux/spinlock.h>
-#include <dt-bindings/pinctrl/samsung.h>
-
#include "../core.h"
#include "pinctrl-samsung.h"
@@ -614,7 +612,7 @@ static int samsung_gpio_set_direction(struct gpio_chip *gc,
data = readl(reg);
data &= ~(mask << shift);
if (!input)
- data |= EXYNOS_PIN_FUNC_OUTPUT << shift;
+ data |= PIN_CON_FUNC_OUTPUT << shift;
writel(data, reg);
return 0;
@@ -53,6 +53,14 @@ enum pincfg_type {
#define PINCFG_UNPACK_TYPE(cfg) ((cfg) & PINCFG_TYPE_MASK)
#define PINCFG_UNPACK_VALUE(cfg) (((cfg) & PINCFG_VALUE_MASK) >> \
PINCFG_VALUE_SHIFT)
+/*
+ * Values for the pin CON register, choosing pin function.
+ * The basic set (input and output) are same between: S3C24xx, S3C64xx, S5PV210,
+ * Exynos ARMv7, Exynos ARMv8, Tesla FSD.
+ */
+#define PIN_CON_FUNC_INPUT 0x0
+#define PIN_CON_FUNC_OUTPUT 0x1
+
/**
* enum eint_type - possible external interrupt types.
* @EINT_TYPE_NONE: bank does not support external interrupts
@@ -10,6 +10,13 @@
#ifndef __DT_BINDINGS_PINCTRL_SAMSUNG_H__
#define __DT_BINDINGS_PINCTRL_SAMSUNG_H__
+/*
+ * These bindings are deprecated, because they do not match the actual
+ * concept of bindings but rather contain pure register values.
+ * Instead include the header in the DTS source directory.
+ */
+#warning "These bindings are deprecated. Instead use the header in the DTS source directory."
+
#define EXYNOS_PIN_PULL_NONE 0
#define EXYNOS_PIN_PULL_DOWN 1
#define EXYNOS_PIN_PULL_UP 3
For convenience (less code duplication, some meaning added to raw number), the pin controller pin configuration register values were defined in the bindings header. These are not some IDs or other abstraction layer but raw numbers used in the registers These constants do not fit the purpose of bindings. They do not provide any abstraction, any hardware and driver independent ID. With minor exceptions, the Linux drivers actually do not use the bindings header at all. All of the constants were moved already to headers local to DTS (residing in DTS directory), so remove any references to the bindings header and add a warning tha tit is deprecated. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> --- drivers/pinctrl/samsung/pinctrl-exynos.c | 6 ++---- drivers/pinctrl/samsung/pinctrl-exynos.h | 3 +++ drivers/pinctrl/samsung/pinctrl-samsung.c | 4 +--- drivers/pinctrl/samsung/pinctrl-samsung.h | 8 ++++++++ include/dt-bindings/pinctrl/samsung.h | 7 +++++++ 5 files changed, 21 insertions(+), 7 deletions(-)