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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/mips/bcm63xx/dev-spi.c | |
parent | Initial commit. (diff) | |
download | linux-c109f8d9e922037b3fa45f46d78384d49db8ad76.tar.xz linux-c109f8d9e922037b3fa45f46d78384d49db8ad76.zip |
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/mips/bcm63xx/dev-spi.c')
-rw-r--r-- | arch/mips/bcm63xx/dev-spi.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/mips/bcm63xx/dev-spi.c b/arch/mips/bcm63xx/dev-spi.c new file mode 100644 index 000000000..232385441 --- /dev/null +++ b/arch/mips/bcm63xx/dev-spi.c @@ -0,0 +1,60 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2009-2011 Florian Fainelli <florian@openwrt.org> + * Copyright (C) 2010 Tanguy Bouzeloc <tanguy.bouzeloc@efixo.com> + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/export.h> +#include <linux/platform_device.h> +#include <linux/err.h> +#include <linux/clk.h> + +#include <bcm63xx_cpu.h> +#include <bcm63xx_dev_spi.h> +#include <bcm63xx_regs.h> + +static struct resource spi_resources[] = { + { + .start = -1, /* filled at runtime */ + .end = -1, /* filled at runtime */ + .flags = IORESOURCE_MEM, + }, + { + .start = -1, /* filled at runtime */ + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bcm63xx_spi_device = { + .id = -1, + .num_resources = ARRAY_SIZE(spi_resources), + .resource = spi_resources, +}; + +int __init bcm63xx_spi_register(void) +{ + if (BCMCPU_IS_6328() || BCMCPU_IS_6345()) + return -ENODEV; + + spi_resources[0].start = bcm63xx_regset_address(RSET_SPI); + spi_resources[0].end = spi_resources[0].start; + spi_resources[1].start = bcm63xx_get_irq_number(IRQ_SPI); + + if (BCMCPU_IS_6338() || BCMCPU_IS_6348()) { + bcm63xx_spi_device.name = "bcm6348-spi", + spi_resources[0].end += BCM_6348_RSET_SPI_SIZE - 1; + } + + if (BCMCPU_IS_3368() || BCMCPU_IS_6358() || BCMCPU_IS_6362() || + BCMCPU_IS_6368()) { + bcm63xx_spi_device.name = "bcm6358-spi", + spi_resources[0].end += BCM_6358_RSET_SPI_SIZE - 1; + } + + return platform_device_register(&bcm63xx_spi_device); +} |