From: Yang Ling <gnaygnil@gmail.com>
To: Ralf Baechle <ralf@linux-mips.org>,
Keguang Zhang <keguang.zhang@gmail.com>
Cc: Yang Ling <gnaygnil@gmail.com>,
linux-mips@linux-mips.org, linux-kernel@vger.kernel.org
Subject: [PATCH v1.1 2/2] MIPS: loongson1: Add watchdog support for Loongson1 board
Date: Tue, 11 Oct 2016 22:21:46 +0800 [thread overview]
Message-ID: <20161011142146.GA26313@ubuntu> (raw)
The patch adds watchdog support for Loongson1B/1C board.
Signed-off-by: Yang Ling <gnaygnil@gmail.com>
---
V1.1:
Add watchdog support for Loongson1B.
---
arch/mips/configs/loongson1c_defconfig | 4 ++++
arch/mips/include/asm/mach-loongson32/platform.h | 1 +
arch/mips/loongson32/common/platform.c | 16 ++++++++++++++++
arch/mips/loongson32/ls1b/board.c | 1 +
arch/mips/loongson32/ls1c/board.c | 1 +
5 files changed, 23 insertions(+)
diff --git a/arch/mips/configs/loongson1c_defconfig b/arch/mips/configs/loongson1c_defconfig
index 2304d41..68e42ef 100644
--- a/arch/mips/configs/loongson1c_defconfig
+++ b/arch/mips/configs/loongson1c_defconfig
@@ -75,6 +75,10 @@ CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_GPIOLIB=y
CONFIG_GPIO_LOONGSON1=y
# CONFIG_HWMON is not set
+CONFIG_WATCHDOG=y
+CONFIG_WATCHDOG_NOWAYOUT=y
+CONFIG_WATCHDOG_SYSFS=y
+CONFIG_LOONGSON1_WDT=y
# CONFIG_VGA_CONSOLE is not set
CONFIG_HID_GENERIC=m
CONFIG_USB_HID=m
diff --git a/arch/mips/include/asm/mach-loongson32/platform.h b/arch/mips/include/asm/mach-loongson32/platform.h
index 7adc313..5ead0dc 100644
--- a/arch/mips/include/asm/mach-loongson32/platform.h
+++ b/arch/mips/include/asm/mach-loongson32/platform.h
@@ -25,6 +25,7 @@
extern struct platform_device ls1x_gpio1_pdev;
extern struct platform_device ls1x_nand_pdev;
extern struct platform_device ls1x_rtc_pdev;
+extern struct platform_device ls1x_wdt_pdev;
void __init ls1x_clk_init(void);
void __init ls1x_dma_set_platdata(struct plat_ls1x_dma *pdata);
diff --git a/arch/mips/loongson32/common/platform.c b/arch/mips/loongson32/common/platform.c
index 4e28e0f..0521ac9 100644
--- a/arch/mips/loongson32/common/platform.c
+++ b/arch/mips/loongson32/common/platform.c
@@ -357,3 +357,19 @@ struct platform_device ls1x_rtc_pdev = {
.name = "ls1x-rtc",
.id = -1,
};
+
+/* Watchdog */
+static struct resource ls1x_wdt_resources[] = {
+ {
+ .start = LS1X_WDT_BASE,
+ .end = LS1X_WDT_BASE + SZ_16 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+struct platform_device ls1x_wdt_pdev = {
+ .name = "ls1x-wdt",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(ls1x_wdt_resources),
+ .resource = ls1x_wdt_resources,
+};
diff --git a/arch/mips/loongson32/ls1b/board.c b/arch/mips/loongson32/ls1b/board.c
index 38a1d40..d0812a3 100644
--- a/arch/mips/loongson32/ls1b/board.c
+++ b/arch/mips/loongson32/ls1b/board.c
@@ -72,6 +72,7 @@ struct plat_ls1x_nand ls1x_nand_pdata = {
&ls1x_gpio1_pdev,
&ls1x_nand_pdev,
&ls1x_rtc_pdev,
+ &ls1x_wdt_pdev,
};
static int __init ls1b_platform_init(void)
diff --git a/arch/mips/loongson32/ls1c/board.c b/arch/mips/loongson32/ls1c/board.c
index a96bed5..0e02362 100644
--- a/arch/mips/loongson32/ls1c/board.c
+++ b/arch/mips/loongson32/ls1c/board.c
@@ -13,6 +13,7 @@
&ls1x_uart_pdev,
&ls1x_eth0_pdev,
&ls1x_rtc_pdev,
+ &ls1x_wdt_pdev,
};
static int __init ls1c_platform_init(void)
--
1.9.1
reply other threads:[~2016-10-11 14:21 UTC|newest]
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