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bcm4908: add watchdog support
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
This commit is contained in:
Rafał Miłecki
parent
9a18bbec1f
commit
9565bd9bd6
@ -36,6 +36,7 @@ CONFIG_B53=y
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# CONFIG_B53_SERDES is not set
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# CONFIG_B53_SRAB_DRIVER is not set
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CONFIG_BCM4908_ENET=y
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CONFIG_BCM7038_WDT=y
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CONFIG_BCM7XXX_PHY=y
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CONFIG_BCM_NET_PHYLIB=y
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CONFIG_BCM_PMB=y
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@ -204,6 +205,7 @@ CONFIG_UBIFS_FS=y
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CONFIG_UNMAP_KERNEL_AT_EL0=y
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CONFIG_USB_SUPPORT=y
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CONFIG_VMAP_STACK=y
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CONFIG_WATCHDOG_CORE=y
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CONFIG_XPS=y
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CONFIG_XXHASH=y
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CONFIG_ZLIB_DEFLATE=y
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@ -38,6 +38,7 @@ CONFIG_B53=y
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# CONFIG_B53_SERDES is not set
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# CONFIG_B53_SRAB_DRIVER is not set
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CONFIG_BCM4908_ENET=y
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CONFIG_BCM7038_WDT=y
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CONFIG_BCM7XXX_PHY=y
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CONFIG_BCM_NET_PHYLIB=y
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CONFIG_BCM_PMB=y
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@ -208,6 +209,7 @@ CONFIG_UBIFS_FS=y
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CONFIG_UNMAP_KERNEL_AT_EL0=y
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CONFIG_USB_SUPPORT=y
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CONFIG_VMAP_STACK=y
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CONFIG_WATCHDOG_CORE=y
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CONFIG_XPS=y
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CONFIG_XXHASH=y
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CONFIG_ZLIB_DEFLATE=y
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@ -0,0 +1,50 @@
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Tue, 9 Nov 2021 11:39:42 +0100
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Subject: [PATCH] arm64: dts: broadcom: bcm4908: add TWD block
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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BCM4908 contains TWD block that provides few functions:
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1. Timers
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2. Wathchdog
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3. Software reset
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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---
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.../boot/dts/broadcom/bcm4908/bcm4908.dtsi | 17 +++++++++++++----
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1 file changed, 13 insertions(+), 4 deletions(-)
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--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
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+++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
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@@ -273,9 +273,18 @@
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#size-cells = <1>;
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ranges = <0x00 0x00 0xff800000 0x3000>;
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- timer: timer@400 {
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- compatible = "brcm,bcm6328-timer", "syscon";
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- reg = <0x400 0x3c>;
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+ twd: timer-mfd@400 {
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+ compatible = "brcm,bcm4908-twd", "brcm,twd", "simple-mfd", "syscon";
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+ reg = <0x400 0x4c>;
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+ ranges = <0x0 0x400 0x4c>;
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+
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+ #address-cells = <1>;
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+ #size-cells = <1>;
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+
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+ watchdog@28 {
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+ compatible = "brcm,bcm7038-wdt";
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+ reg = <0x28 0x8>;
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+ };
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};
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gpio0: gpio-controller@500 {
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@@ -329,7 +338,7 @@
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reboot {
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compatible = "syscon-reboot";
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- regmap = <&timer>;
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+ regmap = <&twd>;
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offset = <0x34>;
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mask = <1>;
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};
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@ -0,0 +1,25 @@
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Tue, 9 Nov 2021 11:34:28 +0100
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Subject: [PATCH] watchdog: bcm7038_wdt: allow building on ARCH_BCM4908
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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The same hardware block is present on BCM4908 SoCs family.
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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---
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drivers/watchdog/Kconfig | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/watchdog/Kconfig
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+++ b/drivers/watchdog/Kconfig
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@@ -1800,7 +1800,7 @@ config BCM7038_WDT
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tristate "BCM7038 Watchdog"
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select WATCHDOG_CORE
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depends on HAS_IOMEM
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- depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST
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+ depends on ARCH_BCM4908 || ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST
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help
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Watchdog driver for the built-in hardware in Broadcom 7038 and
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later SoCs used in set-top boxes. BCM7038 was made public
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@ -0,0 +1,50 @@
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Tue, 9 Nov 2021 11:39:42 +0100
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Subject: [PATCH] arm64: dts: broadcom: bcm4908: add TWD block
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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BCM4908 contains TWD block that provides few functions:
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1. Timers
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2. Wathchdog
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3. Software reset
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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---
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.../boot/dts/broadcom/bcm4908/bcm4908.dtsi | 17 +++++++++++++----
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1 file changed, 13 insertions(+), 4 deletions(-)
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--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
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+++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
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@@ -273,9 +273,18 @@
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#size-cells = <1>;
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ranges = <0x00 0x00 0xff800000 0x3000>;
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- timer: timer@400 {
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- compatible = "brcm,bcm6328-timer", "syscon";
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- reg = <0x400 0x3c>;
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+ twd: timer-mfd@400 {
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+ compatible = "brcm,bcm4908-twd", "brcm,twd", "simple-mfd", "syscon";
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+ reg = <0x400 0x4c>;
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+ ranges = <0x0 0x400 0x4c>;
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+
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+ #address-cells = <1>;
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+ #size-cells = <1>;
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+
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+ watchdog@28 {
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+ compatible = "brcm,bcm7038-wdt";
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+ reg = <0x28 0x8>;
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+ };
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};
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gpio0: gpio-controller@500 {
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@@ -329,7 +338,7 @@
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reboot {
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compatible = "syscon-reboot";
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- regmap = <&timer>;
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+ regmap = <&twd>;
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offset = <0x34>;
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mask = <1>;
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};
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@ -0,0 +1,25 @@
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Tue, 9 Nov 2021 11:34:28 +0100
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Subject: [PATCH] watchdog: bcm7038_wdt: allow building on ARCH_BCM4908
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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The same hardware block is present on BCM4908 SoCs family.
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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---
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drivers/watchdog/Kconfig | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/watchdog/Kconfig
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+++ b/drivers/watchdog/Kconfig
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@@ -1759,7 +1759,7 @@ config BCM7038_WDT
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tristate "BCM7038 Watchdog"
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select WATCHDOG_CORE
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depends on HAS_IOMEM
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- depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST
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+ depends on ARCH_BCM4908 || ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST
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help
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Watchdog driver for the built-in hardware in Broadcom 7038 and
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later SoCs used in set-top boxes. BCM7038 was made public
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