1 /* 2 * This file is subject to the terms and conditions of the GNU General Public 3 * License. See the file "COPYING" in the main directory of this archive 4 * for more details. 5 * 6 * Copyright (C) 2009-2011 Florian Fainelli <florian@openwrt.org> 7 * Copyright (C) 2010 Tanguy Bouzeloc <tanguy.bouzeloc@efixo.com> 8 */ 9 10 #include <linux/init.h> 11 #include <linux/kernel.h> 12 #include <linux/export.h> 13 #include <linux/platform_device.h> 14 #include <linux/err.h> 15 #include <linux/clk.h> 16 17 #include <bcm63xx_cpu.h> 18 #include <bcm63xx_dev_spi.h> 19 #include <bcm63xx_regs.h> 20 21 static struct resource spi_resources[] = { 22 { 23 .start = -1, /* filled at runtime */ 24 .end = -1, /* filled at runtime */ 25 .flags = IORESOURCE_MEM, 26 }, 27 { 28 .start = -1, /* filled at runtime */ 29 .flags = IORESOURCE_IRQ, 30 }, 31 }; 32 33 static struct platform_device bcm63xx_spi_device = { 34 .id = -1, 35 .num_resources = ARRAY_SIZE(spi_resources), 36 .resource = spi_resources, 37 }; 38 39 int __init bcm63xx_spi_register(void) 40 { 41 if (BCMCPU_IS_6328() || BCMCPU_IS_6345()) 42 return -ENODEV; 43 44 spi_resources[0].start = bcm63xx_regset_address(RSET_SPI); 45 spi_resources[0].end = spi_resources[0].start; 46 spi_resources[1].start = bcm63xx_get_irq_number(IRQ_SPI); 47 48 if (BCMCPU_IS_6338() || BCMCPU_IS_6348()) { 49 bcm63xx_spi_device.name = "bcm6348-spi", 50 spi_resources[0].end += BCM_6348_RSET_SPI_SIZE - 1; 51 } 52 53 if (BCMCPU_IS_3368() || BCMCPU_IS_6358() || BCMCPU_IS_6362() || 54 BCMCPU_IS_6368()) { 55 bcm63xx_spi_device.name = "bcm6358-spi", 56 spi_resources[0].end += BCM_6358_RSET_SPI_SIZE - 1; 57 } 58 59 return platform_device_register(&bcm63xx_spi_device); 60 } 61