[adm5120] experimental gpiodev support (closes #3613)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12134 3c298f89-4303-0410-b956-a3cf2f4a3e73

8 files changed, 64 insertions, 0 deletions

diff --git a/target/linux/adm5120/files/arch/mips/adm5120/board.c b/target/linux/adm5120/files/arch/mips/adm5120/board.c
index 8f383da40..2cbc8f2cc 100644
--- a/target/linux/adm5120/files/arch/mips/adm5120/board.c
+++ b/target/linux/adm5120/files/arch/mips/adm5120/board.c
@@ -93,6 +93,11 @@ static int __init adm5120_board_setup(void)
 	/* register built-in ethernet switch */
 	platform_device_register(&adm5120_switch_device);
 
+	if (adm5120_package_pqfp())
+		adm5120_gpiodev_resource.start &= ~0xf0;
+
+	platform_device_register(&adm5120_gpiodev_device);
+
 	/* setup PCI irq map */
 	adm5120_pci_set_irq_map(board->pci_nr_irqs, board->pci_irq_map);
 
diff --git a/target/linux/adm5120/files/arch/mips/adm5120/boards/cellvision.c b/target/linux/adm5120/files/arch/mips/adm5120/boards/cellvision.c
index 3e68fa52a..d3e7c7dbe 100644
--- a/target/linux/adm5120/files/arch/mips/adm5120/boards/cellvision.c
+++ b/target/linux/adm5120/files/arch/mips/adm5120/boards/cellvision.c
@@ -22,6 +22,10 @@
 #include <adm5120_platform.h>
 #include <adm5120_irq.h>
 
+#define CAS6XX_GPIO_DEV_MASK	(1 << ADM5120_GPIO_PIN5)
+#define CAS7XX_GPIO_DEV_MASK	(1 << ADM5120_GPIO_PIN5)
+#define NFS_GPIO_DEV_MASK	(1 << ADM5120_GPIO_PIN5)
+
 static void switch_bank_gpio5(unsigned bank)
 {
 	switch (bank) {
@@ -104,6 +108,8 @@ static void __init cas6xx_setup(void)
 	adm5120_flash0_data.nr_parts = ARRAY_SIZE(cas6xx_partitions);
 	adm5120_flash0_data.parts = cas6xx_partitions;
 
+	adm5120_gpiodev_resource.start &= ~CAS6XX_GPIO_DEV_MASK;
+
 	/* TODO: setup mac address */
 }
 
@@ -117,6 +123,8 @@ static void __init cas7xx_setup(void)
 	adm5120_flash0_data.nr_parts = ARRAY_SIZE(cas7xx_partitions);
 	adm5120_flash0_data.parts = cas7xx_partitions;
 
+	adm5120_gpiodev_resource.start &= ~CAS7XX_GPIO_DEV_MASK;
+
 	/* TODO: setup mac address */
 }
 
@@ -130,6 +138,8 @@ static void __init nfs_setup(void)
 	adm5120_flash0_data.nr_parts = ARRAY_SIZE(cas6xx_partitions);
 	adm5120_flash0_data.parts = cas6xx_partitions;
 
+	adm5120_gpiodev_resource.start &= ~NFS_GPIO_DEV_MASK;
+
 	/* TODO: setup mac address */
 }
 
diff --git a/target/linux/adm5120/files/arch/mips/adm5120/boards/compex.c b/target/linux/adm5120/files/arch/mips/adm5120/boards/compex.c
index 1af0eb2d4..5cf858c29 100644
--- a/target/linux/adm5120/files/arch/mips/adm5120/boards/compex.c
+++ b/target/linux/adm5120/files/arch/mips/adm5120/boards/compex.c
@@ -22,6 +22,13 @@
 #include <adm5120_platform.h>
 #include <adm5120_irq.h>
 
+#define NP27G_GPIO_DEV_MASK	(1 << ADM5120_GPIO_PIN5)
+#define NP28G_GPIO_DEV_MASK	( 1 << ADM5120_GPIO_PIN5 \
+				| 1 << ADM5120_GPIO_PIN4)
+
+#define WP54_GPIO_DEV_MASK	( 1 << ADM5120_GPIO_PIN5 \
+				| 1 << ADM5120_GPIO_PIN3)
+
 static struct adm5120_pci_irq wp54_pci_irqs[] __initdata = {
 	PCIIRQ(2, 0, 1, ADM5120_IRQ_PCI0),
 };
@@ -104,6 +111,7 @@ static void __init np27g_setup(void)
 
 	/* setup data for flash0 device */
 	adm5120_flash0_data.switch_bank = switch_bank_gpio5;
+	adm5120_gpiodev_resource.start &= ~NP27G_GPIO_DEV_MASK;
 
 	/* TODO: setup mac address */
 }
@@ -119,6 +127,8 @@ static void __init np28g_setup(void)
 	/* setup data for flash0 device */
 	adm5120_flash0_data.switch_bank = switch_bank_gpio5;
 
+	adm5120_gpiodev_resource.start &= ~NP28G_GPIO_DEV_MASK;
+
 	/* TODO: setup mac address */
 }
 
@@ -137,6 +147,8 @@ static void __init wp54_setup(void)
 	adm5120_buttons[0].desc = "reset button";
 	adm5120_buttons[0].gpio = ADM5120_GPIO_PIN2;
 
+	adm5120_gpiodev_resource.start &= ~WP54_GPIO_DEV_MASK;
+
 	/* TODO: setup mac address */
 }
 
diff --git a/target/linux/adm5120/files/arch/mips/adm5120/boards/infineon.c b/target/linux/adm5120/files/arch/mips/adm5120/boards/infineon.c
index 8ef01e6e6..c8680d6c4 100644
--- a/target/linux/adm5120/files/arch/mips/adm5120/boards/infineon.c
+++ b/target/linux/adm5120/files/arch/mips/adm5120/boards/infineon.c
@@ -24,6 +24,9 @@
 #include <adm5120_platform.h>
 #include <adm5120_info.h>
 
+#define EASY_PQFP_GPIO_DEV_MASK	(1 << ADM5120_GPIO_PIN3)
+#define EASY_BGA_GPIO_DEV_MASK	(1 << ADM5120_GPIO_PIN5)
+
 static void switch_bank_gpio3(unsigned bank)
 {
 	switch (bank) {
@@ -99,6 +102,8 @@ static void __init easy_setup_pqfp(void)
 	adm5120_flash0_data.nr_parts = ARRAY_SIZE(easy_partitions);
 	adm5120_flash0_data.parts = easy_partitions;
 
+	adm5120_gpiodev_resource.start &= ~EASY_PQFP_GPIO_DEV_MASK;
+
 	/* TODO: setup mac addresses */
 }
 
@@ -112,6 +117,8 @@ static void __init easy_setup_bga(void)
 	adm5120_flash0_data.nr_parts = ARRAY_SIZE(easy_partitions);
 	adm5120_flash0_data.parts = easy_partitions;
 
+	adm5120_gpiodev_resource.start &= ~EASY_BGA_GPIO_DEV_MASK;
+
 	/* TODO: setup mac addresses */
 }
 
diff --git a/target/linux/adm5120/files/arch/mips/adm5120/boards/mikrotik.c b/target/linux/adm5120/files/arch/mips/adm5120/boards/mikrotik.c
index 54fb8c03b..9595e815f 100644
--- a/target/linux/adm5120/files/arch/mips/adm5120/boards/mikrotik.c
+++ b/target/linux/adm5120/files/arch/mips/adm5120/boards/mikrotik.c
@@ -44,12 +44,20 @@
 #define RB150_GPIO_NAND_NCE	ADM5120_GPIO_PIN1
 #define RB150_GPIO_NAND_CLE	ADM5120_GPIO_P2L2
 #define RB150_GPIO_NAND_ALE	ADM5120_GPIO_P3L2
+#define RB150_GPIO_DEV_MASK	( 1 << RB150_GPIO_NAND_READY	\
+				| 1 << RB150_GPIO_NAND_NCE	\
+				| 1 << RB150_GPIO_NAND_CLE	\
+				| 1 << RB150_GPIO_NAND_ALE)
 
 #define RB150_NAND_DELAY	100
 
 #define RB150_NAND_WRITE(v) \
 	writeb((v), (void __iomem *)KSEG1ADDR(RB150_NAND_BASE))
 
+#define RB153_GPIO_DEV_MASK	( 1 << ADM5120_GPIO_PIN0 \
+				| 1 << ADM5120_GPIO_PIN3 \
+				| 1 << ADM5120_GPIO_PIN4 )
+
 /*--------------------------------------------------------------------------*/
 
 static struct adm5120_pci_irq rb1xx_pci_irqs[] __initdata = {
@@ -279,6 +287,8 @@ static void __init rb150_setup(void)
 	adm5120_buttons[0].desc = "reset button";
 	adm5120_buttons[0].gpio = ADM5120_GPIO_PIN1; /* FIXME: valid? */
 
+	adm5120_gpiodev_resource.start &= ~RB150_GPIO_DEV_MASK;
+
 	adm5120_flash0_data.window_size = 512*1024;
 
 	rb1xx_flash_setup();
@@ -293,6 +303,8 @@ static void __init rb153_setup(void)
 	adm5120_gpio_ew_enable();
 
 	rb1xx_setup();
+
+	adm5120_gpiodev_resource.start &= ~RB153_GPIO_DEV_MASK;
 }
 
 /*--------------------------------------------------------------------------*/
diff --git a/target/linux/adm5120/files/arch/mips/adm5120/boards/zyxel.c b/target/linux/adm5120/files/arch/mips/adm5120/boards/zyxel.c
index 075661a8d..717c0733a 100644
--- a/target/linux/adm5120/files/arch/mips/adm5120/boards/zyxel.c
+++ b/target/linux/adm5120/files/arch/mips/adm5120/boards/zyxel.c
@@ -22,6 +22,8 @@
 #include <adm5120_platform.h>
 #include <adm5120_irq.h>
 
+#define P33X_GPIO_DEV_MASK	(1 << ADM5120_GPIO_PIN5)
+
 static void switch_bank_gpio5(unsigned bank)
 {
 	switch (bank) {
@@ -83,6 +85,7 @@ static void __init p33x_setup(void)
 	adm5120_flash0_data.nr_parts = ARRAY_SIZE(p33x_partitions);
 	adm5120_flash0_data.parts = p33x_partitions;
 
+	adm5120_gpiodev_resource.start &= ~P33X_GPIO_DEV_MASK;
 	/* TODO: setup mac address */
 }
 
diff --git a/target/linux/adm5120/files/arch/mips/adm5120/platform.c b/target/linux/adm5120/files/arch/mips/adm5120/platform.c
index d61e7c65d..26de8f0c6 100644
--- a/target/linux/adm5120/files/arch/mips/adm5120/platform.c
+++ b/target/linux/adm5120/files/arch/mips/adm5120/platform.c
@@ -216,6 +216,18 @@ struct platform_device adm5120_buttons_device = {
 	.dev.platform_data = &adm5120_buttons_data,
 };
 
+/* GPIO char device */
+struct resource adm5120_gpiodev_resource = {
+	.start	= 0x3fffff,
+};
+
+struct platform_device adm5120_gpiodev_device =	{
+	.name		= "GPIODEV",
+	.id		= -1,
+	.num_resources	= 1,
+	.resource	= &adm5120_gpiodev_resource,
+};
+
 void adm5120_uart_set_mctrl(struct amba_device *dev, void __iomem *base,
 		unsigned int mctrl)
 {
diff --git a/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_platform.h b/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_platform.h
index 470ef254d..d3b2213d3 100644
--- a/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_platform.h
+++ b/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_platform.h
@@ -64,6 +64,8 @@ static inline void adm5120_pci_set_irq_map(unsigned int nr_irqs,
 
 #define ADM5120_NUM_BUTTONS	5
 
+extern struct resource adm5120_gpiodev_resource;
+
 extern struct adm5120_flash_platform_data adm5120_flash0_data;
 extern struct adm5120_flash_platform_data adm5120_flash1_data;
 extern struct platform_nand_data adm5120_nand_data;
@@ -79,6 +81,7 @@ extern struct platform_device adm5120_nand_device;
 extern struct platform_device adm5120_hcd_device;
 extern struct platform_device adm5120_switch_device;
 extern struct platform_device adm5120_buttons_device;
+extern struct platform_device adm5120_gpiodev_device;
 extern struct amba_device adm5120_uart0_device;
 extern struct amba_device adm5120_uart1_device;