ARM: SAMSUNG: Consolidation of SPI platform devices to plat-samsung

[sfrench/cifs-2.6.git] / arch / arm / mach-s3c64xx / dev-spi.c

diff --git a/arch/arm/mach-s3c64xx/dev-spi.c b/arch/arm/mach-s3c64xx/dev-spi.c
deleted file mode 100644 (file)
index 3f437e7..0000000
--- a/arch/arm/mach-s3c64xx/dev-spi.c
+++ /dev/null
@@ -1,173 +0,0 @@
-/* linux/arch/arm/plat-s3c64xx/dev-spi.c
- *
- * Copyright (C) 2009 Samsung Electronics 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/kernel.h>
-#include <linux/string.h>
-#include <linux/export.h>
-#include <linux/platform_device.h>
-#include <linux/dma-mapping.h>
-#include <linux/gpio.h>
-
-#include <mach/dma.h>
-#include <mach/map.h>
-#include <mach/spi-clocks.h>
-#include <mach/irqs.h>
-
-#include <plat/s3c64xx-spi.h>
-#include <plat/gpio-cfg.h>
-#include <plat/devs.h>
-
-/* SPI Controller platform_devices */
-
-/* Since we emulate multi-cs capability, we do not touch the GPC-3,7.
- * 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 s3c64xx_spi_cfg_gpio(struct platform_device *pdev)
-{
-       unsigned int base;
-
-       switch (pdev->id) {
-       case 0:
-               base = S3C64XX_GPC(0);
-               break;
-
-       case 1:
-               base = S3C64XX_GPC(4);
-               break;
-
-       default:
-               dev_err(&pdev->dev, "Invalid SPI Controller number!");
-               return -EINVAL;
-       }
-
-       s3c_gpio_cfgall_range(base, 3,
-                             S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
-
-       return 0;
-}
-
-static struct resource s3c64xx_spi0_resource[] = {
-       [0] = {
-               .start = S3C64XX_PA_SPI0,
-               .end   = S3C64XX_PA_SPI0 + 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 s3c64xx_spi0_pdata = {
-       .cfg_gpio = s3c64xx_spi_cfg_gpio,
-       .fifo_lvl_mask = 0x7f,
-       .rx_lvl_offset = 13,
-       .tx_st_done = 21,
-};
-
-static u64 spi_dmamask = DMA_BIT_MASK(32);
-
-struct platform_device s3c64xx_device_spi0 = {
-       .name             = "s3c64xx-spi",
-       .id               = 0,
-       .num_resources    = ARRAY_SIZE(s3c64xx_spi0_resource),
-       .resource         = s3c64xx_spi0_resource,
-       .dev = {
-               .dma_mask               = &spi_dmamask,
-               .coherent_dma_mask      = DMA_BIT_MASK(32),
-               .platform_data = &s3c64xx_spi0_pdata,
-       },
-};
-EXPORT_SYMBOL(s3c64xx_device_spi0);
-
-static struct resource s3c64xx_spi1_resource[] = {
-       [0] = {
-               .start = S3C64XX_PA_SPI1,
-               .end   = S3C64XX_PA_SPI1 + 0x100 - 1,
-               .flags = IORESOURCE_MEM,
-       },
-       [1] = {
-               .start = DMACH_SPI1_TX,
-               .end   = DMACH_SPI1_TX,
-               .flags = IORESOURCE_DMA,
-       },
-       [2] = {
-               .start = DMACH_SPI1_RX,
-               .end   = DMACH_SPI1_RX,
-               .flags = IORESOURCE_DMA,
-       },
-       [3] = {
-               .start = IRQ_SPI1,
-               .end   = IRQ_SPI1,
-               .flags = IORESOURCE_IRQ,
-       },
-};
-
-static struct s3c64xx_spi_info s3c64xx_spi1_pdata = {
-       .cfg_gpio = s3c64xx_spi_cfg_gpio,
-       .fifo_lvl_mask = 0x7f,
-       .rx_lvl_offset = 13,
-       .tx_st_done = 21,
-};
-
-struct platform_device s3c64xx_device_spi1 = {
-       .name             = "s3c64xx-spi",
-       .id               = 1,
-       .num_resources    = ARRAY_SIZE(s3c64xx_spi1_resource),
-       .resource         = s3c64xx_spi1_resource,
-       .dev = {
-               .dma_mask               = &spi_dmamask,
-               .coherent_dma_mask      = DMA_BIT_MASK(32),
-               .platform_data = &s3c64xx_spi1_pdata,
-       },
-};
-EXPORT_SYMBOL(s3c64xx_device_spi1);
-
-void __init s3c64xx_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 > S3C64XX_SPI_SRCCLK_48M) {
-               printk(KERN_ERR "%s: Invalid SPI configuration\n", __func__);
-               return;
-       }
-
-       switch (cntrlr) {
-       case 0:
-               pd = &s3c64xx_spi0_pdata;
-               break;
-       case 1:
-               pd = &s3c64xx_spi1_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;
-}