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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/mips/bcm63xx/dev-spi.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
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.c60
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);
+}