diff options
Diffstat (limited to 'arch/arm/mach-pnx4008')
-rw-r--r-- | arch/arm/mach-pnx4008/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/mach-pnx4008/core.c | 69 | ||||
-rw-r--r-- | arch/arm/mach-pnx4008/i2c.c | 167 | ||||
-rw-r--r-- | arch/arm/mach-pnx4008/irq.c | 10 |
4 files changed, 242 insertions, 6 deletions
diff --git a/arch/arm/mach-pnx4008/Makefile b/arch/arm/mach-pnx4008/Makefile index b457ca0a431a..777564c90a12 100644 --- a/arch/arm/mach-pnx4008/Makefile +++ b/arch/arm/mach-pnx4008/Makefile @@ -2,7 +2,7 @@ # Makefile for the linux kernel. # -obj-y := core.o irq.o time.o clock.o gpio.o serial.o dma.o +obj-y := core.o irq.o time.o clock.o gpio.o serial.o dma.o i2c.o obj-m := obj-n := obj- := diff --git a/arch/arm/mach-pnx4008/core.c b/arch/arm/mach-pnx4008/core.c index 3d73c1e93752..429c796938be 100644 --- a/arch/arm/mach-pnx4008/core.c +++ b/arch/arm/mach-pnx4008/core.c @@ -133,10 +133,79 @@ static struct platform_device serial_device = { }, }; +static struct platform_device nand_flash_device = { + .name = "pnx4008-flash", + .id = -1, + .dev = { + .coherent_dma_mask = 0xFFFFFFFF, + }, +}; + +/* The dmamask must be set for OHCI to work */ +static u64 ohci_dmamask = ~(u32) 0; + +static struct resource ohci_resources[] = { + { + .start = IO_ADDRESS(PNX4008_USB_CONFIG_BASE), + .end = IO_ADDRESS(PNX4008_USB_CONFIG_BASE + 0x100), + .flags = IORESOURCE_MEM, + }, { + .start = USB_HOST_INT, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device ohci_device = { + .name = "pnx4008-usb-ohci", + .id = -1, + .dev = { + .dma_mask = &ohci_dmamask, + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(ohci_resources), + .resource = ohci_resources, +}; + +static struct platform_device sdum_device = { + .name = "pnx4008-sdum", + .id = 0, + .dev = { + .coherent_dma_mask = 0xffffffff, + }, +}; + +static struct platform_device rgbfb_device = { + .name = "pnx4008-rgbfb", + .id = 0, + .dev = { + .coherent_dma_mask = 0xffffffff, + } +}; + +struct resource watchdog_resources[] = { + { + .start = PNX4008_WDOG_BASE, + .end = PNX4008_WDOG_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device watchdog_device = { + .name = "pnx4008-watchdog", + .id = -1, + .num_resources = ARRAY_SIZE(watchdog_resources), + .resource = watchdog_resources, +}; + static struct platform_device *devices[] __initdata = { &spipnx_1, &spipnx_2, &serial_device, + &ohci_device, + &nand_flash_device, + &sdum_device, + &rgbfb_device, + &watchdog_device, }; diff --git a/arch/arm/mach-pnx4008/i2c.c b/arch/arm/mach-pnx4008/i2c.c new file mode 100644 index 000000000000..6f308827c4fe --- /dev/null +++ b/arch/arm/mach-pnx4008/i2c.c @@ -0,0 +1,167 @@ +/* + * I2C initialization for PNX4008. + * + * Author: Vitaly Wool <vitalywool@gmail.com> + * + * 2005-2006 (c) MontaVista Software, Inc. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + */ + +#include <linux/clk.h> +#include <linux/i2c.h> +#include <linux/i2c-pnx.h> +#include <linux/platform_device.h> +#include <linux/err.h> +#include <asm/arch/platform.h> +#include <asm/arch/i2c.h> + +static int set_clock_run(struct platform_device *pdev) +{ + struct clk *clk; + char name[10]; + int retval = 0; + + snprintf(name, 10, "i2c%d_ck", pdev->id); + clk = clk_get(&pdev->dev, name); + if (!IS_ERR(clk)) { + clk_set_rate(clk, 1); + clk_put(clk); + } else + retval = -ENOENT; + + return retval; +} + +static int set_clock_stop(struct platform_device *pdev) +{ + struct clk *clk; + char name[10]; + int retval = 0; + + snprintf(name, 10, "i2c%d_ck", pdev->id); + clk = clk_get(&pdev->dev, name); + if (!IS_ERR(clk)) { + clk_set_rate(clk, 0); + clk_put(clk); + } else + retval = -ENOENT; + + return retval; +} + +static int i2c_pnx_suspend(struct platform_device *pdev, pm_message_t state) +{ + int retval = 0; +#ifdef CONFIG_PM + retval = set_clock_run(pdev); +#endif + return retval; +} + +static int i2c_pnx_resume(struct platform_device *pdev) +{ + int retval = 0; +#ifdef CONFIG_PM + retval = set_clock_run(pdev); +#endif + return retval; +} + +static u32 calculate_input_freq(struct platform_device *pdev) +{ + return HCLK_MHZ; +} + + +static struct i2c_pnx_algo_data pnx_algo_data0 = { + .base = PNX4008_I2C1_BASE, + .irq = I2C_1_INT, +}; + +static struct i2c_pnx_algo_data pnx_algo_data1 = { + .base = PNX4008_I2C2_BASE, + .irq = I2C_2_INT, +}; + +static struct i2c_pnx_algo_data pnx_algo_data2 = { + .base = (PNX4008_USB_CONFIG_BASE + 0x300), + .irq = USB_I2C_INT, +}; + +static struct i2c_adapter pnx_adapter0 = { + .name = I2C_CHIP_NAME "0", + .algo_data = &pnx_algo_data0, +}; +static struct i2c_adapter pnx_adapter1 = { + .name = I2C_CHIP_NAME "1", + .algo_data = &pnx_algo_data1, +}; + +static struct i2c_adapter pnx_adapter2 = { + .name = "USB-I2C", + .algo_data = &pnx_algo_data2, +}; + +static struct i2c_pnx_data i2c0_data = { + .suspend = i2c_pnx_suspend, + .resume = i2c_pnx_resume, + .calculate_input_freq = calculate_input_freq, + .set_clock_run = set_clock_run, + .set_clock_stop = set_clock_stop, + .adapter = &pnx_adapter0, +}; + +static struct i2c_pnx_data i2c1_data = { + .suspend = i2c_pnx_suspend, + .resume = i2c_pnx_resume, + .calculate_input_freq = calculate_input_freq, + .set_clock_run = set_clock_run, + .set_clock_stop = set_clock_stop, + .adapter = &pnx_adapter1, +}; + +static struct i2c_pnx_data i2c2_data = { + .suspend = i2c_pnx_suspend, + .resume = i2c_pnx_resume, + .calculate_input_freq = calculate_input_freq, + .set_clock_run = set_clock_run, + .set_clock_stop = set_clock_stop, + .adapter = &pnx_adapter2, +}; + +static struct platform_device i2c0_device = { + .name = "pnx-i2c", + .id = 0, + .dev = { + .platform_data = &i2c0_data, + }, +}; + +static struct platform_device i2c1_device = { + .name = "pnx-i2c", + .id = 1, + .dev = { + .platform_data = &i2c1_data, + }, +}; + +static struct platform_device i2c2_device = { + .name = "pnx-i2c", + .id = 2, + .dev = { + .platform_data = &i2c2_data, + }, +}; + +static struct platform_device *devices[] __initdata = { + &i2c0_device, + &i2c1_device, + &i2c2_device, +}; + +void __init pnx4008_register_i2c_devices(void) +{ + platform_add_devices(devices, ARRAY_SIZE(devices)); +} diff --git a/arch/arm/mach-pnx4008/irq.c b/arch/arm/mach-pnx4008/irq.c index 3a4bcf3d91fa..968d0b027597 100644 --- a/arch/arm/mach-pnx4008/irq.c +++ b/arch/arm/mach-pnx4008/irq.c @@ -59,22 +59,22 @@ static int pnx4008_set_irq_type(unsigned int irq, unsigned int type) case IRQT_RISING: __raw_writel(__raw_readl(INTC_ATR(irq)) | INTC_BIT(irq), INTC_ATR(irq)); /*edge sensitive */ __raw_writel(__raw_readl(INTC_APR(irq)) | INTC_BIT(irq), INTC_APR(irq)); /*rising edge */ - set_irq_handler(irq, do_edge_IRQ); + set_irq_handler(irq, handle_edge_irq); break; case IRQT_FALLING: __raw_writel(__raw_readl(INTC_ATR(irq)) | INTC_BIT(irq), INTC_ATR(irq)); /*edge sensitive */ __raw_writel(__raw_readl(INTC_APR(irq)) & ~INTC_BIT(irq), INTC_APR(irq)); /*falling edge */ - set_irq_handler(irq, do_edge_IRQ); + set_irq_handler(irq, handle_edge_irq); break; case IRQT_LOW: __raw_writel(__raw_readl(INTC_ATR(irq)) & ~INTC_BIT(irq), INTC_ATR(irq)); /*level sensitive */ __raw_writel(__raw_readl(INTC_APR(irq)) & ~INTC_BIT(irq), INTC_APR(irq)); /*low level */ - set_irq_handler(irq, do_level_IRQ); + set_irq_handler(irq, handle_level_irq); break; case IRQT_HIGH: __raw_writel(__raw_readl(INTC_ATR(irq)) & ~INTC_BIT(irq), INTC_ATR(irq)); /*level sensitive */ __raw_writel(__raw_readl(INTC_APR(irq)) | INTC_BIT(irq), INTC_APR(irq)); /* high level */ - set_irq_handler(irq, do_level_IRQ); + set_irq_handler(irq, handle_level_irq); break; /* IRQT_BOTHEDGE is not supported */ @@ -85,7 +85,7 @@ static int pnx4008_set_irq_type(unsigned int irq, unsigned int type) return 0; } -static struct irqchip pnx4008_irq_chip = { +static struct irq_chip pnx4008_irq_chip = { .ack = pnx4008_mask_ack_irq, .mask = pnx4008_mask_irq, .unmask = pnx4008_unmask_irq, |