p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

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>
This commit is contained in:
Vivien Didelot 2014-07-08 18:57:49 -04:00 committed by Ingo Molnar
parent 84e288d418
commit 832fcc899a
1 changed files with 13 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
arch/x86/platform/ts5500/ts5500.c
View File

@ -15,8 +15,8 @@
* state or available options. For further information about sysfs entries, see * state or available options. For further information about sysfs entries, see
* Documentation/ABI/testing/sysfs-platform-ts5500. * Documentation/ABI/testing/sysfs-platform-ts5500.
* *
* This code actually supports the TS-5500 platform, but it may be extended to * This code may be extended to support similar x86-based platforms.
* support similar Technologic Systems x86-based platforms, such as the TS-5600. * Actually, the TS-5500 and TS-5400 are supported.
*/ */
#include <linux/delay.h> #include <linux/delay.h>
@ -32,6 +32,7 @@
/* Product code register */ /* Product code register */
#define TS5500_PRODUCT_CODE_ADDR 0x74 #define TS5500_PRODUCT_CODE_ADDR 0x74
#define TS5500_PRODUCT_CODE 0x60 /* TS-5500 product code */ #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 */ /* SRAM/RS-485/ADC options, and RS-485 RTS/Automatic RS-485 flags register */
#define TS5500_SRAM_RS485_ADC_ADDR 0x75 #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); sbc->id = inb(TS5500_PRODUCT_CODE_ADDR);
if (sbc->id == TS5500_PRODUCT_CODE) { if (sbc->id == TS5500_PRODUCT_CODE) {
sbc->name = "TS-5500"; sbc->name = "TS-5500";
} else if (sbc->id == TS5400_PRODUCT_CODE) {
sbc->name = "TS-5400";
} else { } else {
pr_err("ts5500: unknown product code 0x%x\n", sbc->id); pr_err("ts5500: unknown product code 0x%x\n", sbc->id);
ret = -ENODEV; ret = -ENODEV;
@ -318,12 +321,14 @@ static int __init ts5500_init(void)
if (err) if (err)
goto error; goto error;
ts5500_dio1_pdev.dev.parent = &pdev->dev; if (sbc->id == TS5500_PRODUCT_CODE) {
if (platform_device_register(&ts5500_dio1_pdev)) ts5500_dio1_pdev.dev.parent = &pdev->dev;
dev_warn(&pdev->dev, "DIO1 block registration failed\n"); if (platform_device_register(&ts5500_dio1_pdev))
ts5500_dio2_pdev.dev.parent = &pdev->dev; dev_warn(&pdev->dev, "DIO1 block registration failed\n");
if (platform_device_register(&ts5500_dio2_pdev)) ts5500_dio2_pdev.dev.parent = &pdev->dev;
dev_warn(&pdev->dev, "DIO2 block registration failed\n"); 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)) if (led_classdev_register(&pdev->dev, &ts5500_led_cdev))
dev_warn(&pdev->dev, "LED registration failed\n"); dev_warn(&pdev->dev, "LED registration failed\n");