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atheros: convert gpio.h to stub

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Implement to_irq() handler for AR2315 GPIO chip and convert custom
gpio.h header to stub.

Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>

SVN-Revision: 42509
This commit is contained in:
John Crispin 2014-09-12 06:53:53 +00:00
parent 6f874d84d5
commit d780abcbbc
2 changed files with 13 additions and 25 deletions
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36
target/linux/atheros/patches-3.14/100-board.patch
View file

@ -603,36 +603,22 @@
+#endif /* __ASM_MACH_AR231X_DMA_COHERENCE_H */
--- /dev/null
+++ b/arch/mips/include/asm/mach-ar231x/gpio.h
@@ -0,0 +1,30 @@
@@ -0,0 +1,16 @@
+#ifndef __ASM_MACH_AR231X_GPIO_H
+#define __ASM_MACH_AR231X_GPIO_H
+
+#include <ar231x.h>
+#include <asm-generic/gpio.h>
+
+#define gpio_get_value __gpio_get_value
+#define gpio_set_value __gpio_set_value
+#define gpio_cansleep __gpio_cansleep
+#define gpio_to_irq __gpio_to_irq
+
+/*
+ * Wrappers for the generic GPIO layer
+ */
+
+/* not sure if these are used? */
+
+/* Returns IRQ to attach for gpio. Unchecked function */
+static inline int gpio_to_irq(unsigned gpio)
+{
+ return AR231X_GPIO_IRQ(gpio);
+}
+
+/* Returns gpio for IRQ attached. Unchecked function */
+static inline int irq_to_gpio(unsigned irq)
+{
+ return irq - AR231X_GPIO_IRQ(0);
+ return -EINVAL;
+}
+
+#include <asm-generic/gpio.h> /* cansleep wrappers */
+
+#endif /* __ASM_MACH_AR231X_GPIO_H */
--- /dev/null
+++ b/arch/mips/include/asm/mach-ar231x/reset.h
@ -2096,7 +2082,7 @@
+
--- /dev/null
+++ b/arch/mips/ar231x/ar2315.c
@@ -0,0 +1,562 @@
@@ -0,0 +1,568 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
@ -2349,12 +2335,18 @@
+ return 0;
+}
+
+static int ar2315_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
+{
+ return AR231X_GPIO_IRQ_BASE + gpio;
+}
+
+static struct gpio_chip ar2315_gpio_chip = {
+ .label = "ar2315-gpio",
+ .direction_input = ar2315_gpio_direction_input,
+ .direction_output = ar2315_gpio_direction_output,
+ .set = ar2315_gpio_set_value,
+ .get = ar2315_gpio_get_value,
+ .to_irq = ar2315_gpio_to_irq,
+ .base = 0,
+ .ngpio = AR2315_NUM_GPIO, /* 22 */
+};
@ -2741,7 +2733,7 @@
+#endif
--- /dev/null
+++ b/arch/mips/include/asm/mach-ar231x/ar231x.h
@@ -0,0 +1,43 @@
@@ -0,0 +1,39 @@
+#ifndef __ASM_MACH_AR231X_H
+#define __ASM_MACH_AR231X_H
+
@ -2755,10 +2747,6 @@
+#define AR231X_IRQ_NONE (MIPS_CPU_IRQ_BASE+0)
+#define AR231X_IRQ_CPU_CLOCK (MIPS_CPU_IRQ_BASE+7) /* C0_CAUSE: 0x8000 */
+
+/* GPIO Interrupts, share ARXXXX_MISC_IRQ_GPIO */
+#define AR231X_GPIO_IRQ_NONE (AR231X_GPIO_IRQ_BASE+0)
+#define AR231X_GPIO_IRQ(n) (AR231X_GPIO_IRQ_BASE+n)
+
+static inline u32
+ar231x_read_reg(u32 reg)
+{

2
target/linux/atheros/patches-3.14/105-ar2315_pci.patch
View file

@ -382,7 +382,7 @@
else if (pending & CAUSEF_IP2)
do_IRQ(AR2315_IRQ_MISC_INTRS);
else if (pending & CAUSEF_IP7)
@@ -560,3 +564,18 @@ ar2315_plat_setup(void)
@@ -566,3 +570,18 @@ ar2315_plat_setup(void)
ar231x_serial_setup(AR2315_UART0, AR2315_MISC_IRQ_UART0,
ar2315_apb_frequency());
}