diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-27 19:51:32 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-27 19:51:32 -0700 |
commit | 2a56d2220284b0e4dd8569fa475d7053f1c40a63 (patch) | |
tree | 96f959486a2f31db599e5f97167074bd1ecb3dc6 /arch/arm/mach-s5p6442/dev-spi.c | |
parent | 46f2cc80514e389bacfb642a32a4181fa1f1d20b (diff) | |
parent | 239df0fd5ee25588f8a5ba7f7ee646940cc403f4 (diff) |
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (45 commits)
ARM: 6945/1: Add unwinding support for division functions
ARM: kill pmd_off()
ARM: 6944/1: mm: allow ASID 0 to be allocated to tasks
ARM: 6943/1: mm: use TTBR1 instead of reserved context ID
ARM: 6942/1: mm: make TTBR1 always point to swapper_pg_dir on ARMv6/7
ARM: 6941/1: cache: ensure MVA is cacheline aligned in flush_kern_dcache_area
ARM: add sendmmsg syscall
ARM: 6863/1: allow hotplug on msm
ARM: 6832/1: mmci: support for ST-Ericsson db8500v2
ARM: 6830/1: mach-ux500: force PrimeCell revisions
ARM: 6829/1: amba: make hardcoded periphid override hardware
ARM: 6828/1: mach-ux500: delete SSP PrimeCell ID
ARM: 6827/1: mach-netx: delete hardcoded periphid
ARM: 6940/1: fiq: Briefly document driver responsibilities for suspend/resume
ARM: 6938/1: fiq: Refactor {get,set}_fiq_regs() for Thumb-2
ARM: 6914/1: sparsemem: fix highmem detection when using SPARSEMEM
ARM: 6913/1: sparsemem: allow pfn_valid to be overridden when using SPARSEMEM
at91: drop at572d940hf support
at91rm9200: introduce at91rm9200_set_type to specficy cpu package
at91: drop boot_params and PLAT_PHYS_OFFSET
...
Diffstat (limited to 'arch/arm/mach-s5p6442/dev-spi.c')
-rw-r--r-- | arch/arm/mach-s5p6442/dev-spi.c | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/arch/arm/mach-s5p6442/dev-spi.c b/arch/arm/mach-s5p6442/dev-spi.c deleted file mode 100644 index cce8c247070..00000000000 --- a/arch/arm/mach-s5p6442/dev-spi.c +++ /dev/null @@ -1,121 +0,0 @@ -/* linux/arch/arm/mach-s5p6442/dev-spi.c - * - * Copyright (C) 2010 Samsung Electronics Co. Ltd. - * Jaswinder Singh <jassi.brar@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/platform_device.h> -#include <linux/dma-mapping.h> -#include <linux/gpio.h> - -#include <mach/dma.h> -#include <mach/map.h> -#include <mach/irqs.h> -#include <mach/spi-clocks.h> - -#include <plat/s3c64xx-spi.h> -#include <plat/gpio-cfg.h> - -static char *spi_src_clks[] = { - [S5P6442_SPI_SRCCLK_PCLK] = "pclk", - [S5P6442_SPI_SRCCLK_SCLK] = "spi_epll", -}; - -/* SPI Controller platform_devices */ - -/* Since we emulate multi-cs capability, we do not touch the CS. - * The emulated CS is toggled by board specific mechanism, as it can - * be either some immediate GPIO or some signal out of some other - * chip in between ... or some yet another way. - * We simply do not assume anything about CS. - */ -static int s5p6442_spi_cfg_gpio(struct platform_device *pdev) -{ - switch (pdev->id) { - case 0: - s3c_gpio_cfgpin(S5P6442_GPB(0), S3C_GPIO_SFN(2)); - s3c_gpio_setpull(S5P6442_GPB(0), S3C_GPIO_PULL_UP); - s3c_gpio_cfgall_range(S5P6442_GPB(2), 2, - S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); - break; - - default: - dev_err(&pdev->dev, "Invalid SPI Controller number!"); - return -EINVAL; - } - - return 0; -} - -static struct resource s5p6442_spi0_resource[] = { - [0] = { - .start = S5P6442_PA_SPI, - .end = S5P6442_PA_SPI + 0x100 - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = DMACH_SPI0_TX, - .end = DMACH_SPI0_TX, - .flags = IORESOURCE_DMA, - }, - [2] = { - .start = DMACH_SPI0_RX, - .end = DMACH_SPI0_RX, - .flags = IORESOURCE_DMA, - }, - [3] = { - .start = IRQ_SPI0, - .end = IRQ_SPI0, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct s3c64xx_spi_info s5p6442_spi0_pdata = { - .cfg_gpio = s5p6442_spi_cfg_gpio, - .fifo_lvl_mask = 0x1ff, - .rx_lvl_offset = 15, -}; - -static u64 spi_dmamask = DMA_BIT_MASK(32); - -struct platform_device s5p6442_device_spi = { - .name = "s3c64xx-spi", - .id = 0, - .num_resources = ARRAY_SIZE(s5p6442_spi0_resource), - .resource = s5p6442_spi0_resource, - .dev = { - .dma_mask = &spi_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &s5p6442_spi0_pdata, - }, -}; - -void __init s5p6442_spi_set_info(int cntrlr, int src_clk_nr, int num_cs) -{ - struct s3c64xx_spi_info *pd; - - /* Reject invalid configuration */ - if (!num_cs || src_clk_nr < 0 - || src_clk_nr > S5P6442_SPI_SRCCLK_SCLK) { - printk(KERN_ERR "%s: Invalid SPI configuration\n", __func__); - return; - } - - switch (cntrlr) { - case 0: - pd = &s5p6442_spi0_pdata; - break; - default: - printk(KERN_ERR "%s: Invalid SPI controller(%d)\n", - __func__, cntrlr); - return; - } - - pd->num_cs = num_cs; - pd->src_clk_nr = src_clk_nr; - pd->src_clk_name = spi_src_clks[src_clk_nr]; -} |