diff options
| author | Vivien Didelot <vivien.didelot@savoirfairelinux.com> | 2014-07-09 00:57:49 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-07-16 21:17:42 +0200 |
| commit | 832fcc899a90cce54eb5e47c7fd099eacc0130da (patch) | |
| tree | 96dc60bafc533fd9662f74826e337d0051fdc66d /arch/x86 | |
| parent | x86/platform/ts5500: Add a 'name' sysfs attribute (diff) | |
| download | linux-832fcc899a90cce54eb5e47c7fd099eacc0130da.tar.xz linux-832fcc899a90cce54eb5e47c7fd099eacc0130da.zip | |
x86/platform/ts5500: Add support for TS-5400 boards
This patch extends the TS-5500 platform driver to support the
similar Technologic Systems TS-5400 Single Board Computer:
http://wiki.embeddedarm.com/wiki/TS-5400
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Savoir-faire Linux Inc. <kernel@savoirfairelinux.com>
Link: http://lkml.kernel.org/r/1404860269-11837-4-git-send-email-vivien.didelot@savoirfairelinux.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/platform/ts5500/ts5500.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/arch/x86/platform/ts5500/ts5500.c b/arch/x86/platform/ts5500/ts5500.c index 4eb8eea07dab..baf16e72e668 100644 --- a/arch/x86/platform/ts5500/ts5500.c +++ b/arch/x86/platform/ts5500/ts5500.c @@ -15,8 +15,8 @@ * state or available options. For further information about sysfs entries, see * Documentation/ABI/testing/sysfs-platform-ts5500. * - * This code actually supports the TS-5500 platform, but it may be extended to - * support similar Technologic Systems x86-based platforms, such as the TS-5600. + * This code may be extended to support similar x86-based platforms. + * Actually, the TS-5500 and TS-5400 are supported. */ #include <linux/delay.h> @@ -32,6 +32,7 @@ /* Product code register */ #define TS5500_PRODUCT_CODE_ADDR 0x74 #define TS5500_PRODUCT_CODE 0x60 /* TS-5500 product code */ +#define TS5400_PRODUCT_CODE 0x40 /* TS-5400 product code */ /* SRAM/RS-485/ADC options, and RS-485 RTS/Automatic RS-485 flags register */ #define TS5500_SRAM_RS485_ADC_ADDR 0x75 @@ -127,6 +128,8 @@ static int __init ts5500_detect_config(struct ts5500_sbc *sbc) sbc->id = inb(TS5500_PRODUCT_CODE_ADDR); if (sbc->id == TS5500_PRODUCT_CODE) { sbc->name = "TS-5500"; + } else if (sbc->id == TS5400_PRODUCT_CODE) { + sbc->name = "TS-5400"; } else { pr_err("ts5500: unknown product code 0x%x\n", sbc->id); ret = -ENODEV; @@ -318,12 +321,14 @@ static int __init ts5500_init(void) if (err) goto error; - ts5500_dio1_pdev.dev.parent = &pdev->dev; - if (platform_device_register(&ts5500_dio1_pdev)) - dev_warn(&pdev->dev, "DIO1 block registration failed\n"); - ts5500_dio2_pdev.dev.parent = &pdev->dev; - if (platform_device_register(&ts5500_dio2_pdev)) - dev_warn(&pdev->dev, "DIO2 block registration failed\n"); + if (sbc->id == TS5500_PRODUCT_CODE) { + ts5500_dio1_pdev.dev.parent = &pdev->dev; + if (platform_device_register(&ts5500_dio1_pdev)) + dev_warn(&pdev->dev, "DIO1 block registration failed\n"); + ts5500_dio2_pdev.dev.parent = &pdev->dev; + if (platform_device_register(&ts5500_dio2_pdev)) + dev_warn(&pdev->dev, "DIO2 block registration failed\n"); + } if (led_classdev_register(&pdev->dev, &ts5500_led_cdev)) dev_warn(&pdev->dev, "LED registration failed\n"); |