diff options
| author | Gabor Juhos | 2011-01-04 21:28:23 +0100 |
|---|---|---|
| committer | Ralf Baechle | 2011-01-18 19:30:27 +0100 |
| commit | 68a1d3163678a42ad2d0a9013672083c4fb613be (patch) | |
| tree | ac653355ea8030195c4edd606fa1b31c7f4a8a75 /arch/mips/ath79/dev-spi.c | |
| parent | SPI: Add SPI controller driver for the Atheros AR71XX/AR724X/AR913X SoCs (diff) | |
| download | kernel-qcow2-linux-68a1d3163678a42ad2d0a9013672083c4fb613be.tar.gz kernel-qcow2-linux-68a1d3163678a42ad2d0a9013672083c4fb613be.tar.xz kernel-qcow2-linux-68a1d3163678a42ad2d0a9013672083c4fb613be.zip | |
MIPS: ath79: add common SPI controller device
Several boards are using the built-in SPI controller of the
AR71XX/AR724X/AR913X SoCs. This patch adds common platform_device
and helper code to register it. Additionally, the patch registers
the SPI bus on the PB44 board.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: Imre Kaloz <kaloz@openwrt.org>
Cc: Luis R. Rodriguez <lrodriguez@atheros.com>
Cc: Cliff Holden <Cliff.Holden@Atheros.com>
Cc: Kathy Giori <Kathy.Giori@Atheros.com>
Patchwork: https://patchwork.linux-mips.org/patch/1956/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/ath79/dev-spi.c')
| -rw-r--r-- | arch/mips/ath79/dev-spi.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/mips/ath79/dev-spi.c b/arch/mips/ath79/dev-spi.c new file mode 100644 index 000000000000..aa30163efbfd --- /dev/null +++ b/arch/mips/ath79/dev-spi.c @@ -0,0 +1,38 @@ +/* + * Atheros AR71XX/AR724X/AR913X SPI controller device + * + * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> + * + * 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 <asm/mach-ath79/ar71xx_regs.h> +#include "dev-spi.h" + +static struct resource ath79_spi_resources[] = { + { + .start = AR71XX_SPI_BASE, + .end = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device ath79_spi_device = { + .name = "ath79-spi", + .id = -1, + .resource = ath79_spi_resources, + .num_resources = ARRAY_SIZE(ath79_spi_resources), +}; + +void __init ath79_register_spi(struct ath79_spi_platform_data *pdata, + struct spi_board_info const *info, + unsigned n) +{ + spi_register_board_info(info, n); + ath79_spi_device.dev.platform_data = pdata; + platform_device_register(&ath79_spi_device); +} |