diff options
author | 2025-03-08 22:04:20 +0800 | |
---|---|---|
committer | 2025-03-08 22:04:20 +0800 | |
commit | a07bb8fd1299070229f0e8f3dcb57ffd5ef9870a (patch) | |
tree | 84f21bd0bf7071bc5fc7dd989e77d7ceb5476682 /arch/mips/bcm63xx/dev-spi.c | |
download | ohosKernel-a07bb8fd1299070229f0e8f3dcb57ffd5ef9870a.tar.gz ohosKernel-a07bb8fd1299070229f0e8f3dcb57ffd5ef9870a.zip |
Initial commit: OpenHarmony-v4.0-ReleaseOpenHarmony-v4.0-Release
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 @@ | |||
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 | } | ||