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| author | Rafał Miłecki <rafal@milecki.pl> | 2021-11-09 12:07:59 +0100 |
|---|---|---|
| committer | Rafał Miłecki <rafal@milecki.pl> | 2021-11-09 12:44:23 +0100 |
| commit | 9565bd9bd61f026effce7ebfe17d413d1adb032f (patch) | |
| tree | 1ce62a5f61188de65d6b6d34f97940e2b88407ee /target/linux/bcm4908/patches-5.10 | |
| parent | 9a18bbec1f63468182e4d6216b595ff73f08b919 (diff) | |
| download | upstream-9565bd9bd61f026effce7ebfe17d413d1adb032f.tar.gz upstream-9565bd9bd61f026effce7ebfe17d413d1adb032f.tar.bz2 upstream-9565bd9bd61f026effce7ebfe17d413d1adb032f.zip | |
bcm4908: add watchdog support
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Diffstat (limited to 'target/linux/bcm4908/patches-5.10')
2 files changed, 75 insertions, 0 deletions
diff --git a/target/linux/bcm4908/patches-5.10/301-arm64-dts-broadcom-bcm4908-add-TWD-block.patch b/target/linux/bcm4908/patches-5.10/301-arm64-dts-broadcom-bcm4908-add-TWD-block.patch new file mode 100644 index 0000000000..026ce3b9fc --- /dev/null +++ b/target/linux/bcm4908/patches-5.10/301-arm64-dts-broadcom-bcm4908-add-TWD-block.patch @@ -0,0 +1,50 @@ +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Tue, 9 Nov 2021 11:39:42 +0100 +Subject: [PATCH] arm64: dts: broadcom: bcm4908: add TWD block +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +BCM4908 contains TWD block that provides few functions: +1. Timers +2. Wathchdog +3. Software reset + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +--- + .../boot/dts/broadcom/bcm4908/bcm4908.dtsi | 17 +++++++++++++---- + 1 file changed, 13 insertions(+), 4 deletions(-) + +--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi ++++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi +@@ -273,9 +273,18 @@ + #size-cells = <1>; + ranges = <0x00 0x00 0xff800000 0x3000>; + +- timer: timer@400 { +- compatible = "brcm,bcm6328-timer", "syscon"; +- reg = <0x400 0x3c>; ++ twd: timer-mfd@400 { ++ compatible = "brcm,bcm4908-twd", "brcm,twd", "simple-mfd", "syscon"; ++ reg = <0x400 0x4c>; ++ ranges = <0x0 0x400 0x4c>; ++ ++ #address-cells = <1>; ++ #size-cells = <1>; ++ ++ watchdog@28 { ++ compatible = "brcm,bcm7038-wdt"; ++ reg = <0x28 0x8>; ++ }; + }; + + gpio0: gpio-controller@500 { +@@ -329,7 +338,7 @@ + + reboot { + compatible = "syscon-reboot"; +- regmap = <&timer>; ++ regmap = <&twd>; + offset = <0x34>; + mask = <1>; + }; diff --git a/target/linux/bcm4908/patches-5.10/800-watchdog-bcm7038_wdt-allow-building-on-ARCH_BCM4908.patch b/target/linux/bcm4908/patches-5.10/800-watchdog-bcm7038_wdt-allow-building-on-ARCH_BCM4908.patch new file mode 100644 index 0000000000..f4cf75037e --- /dev/null +++ b/target/linux/bcm4908/patches-5.10/800-watchdog-bcm7038_wdt-allow-building-on-ARCH_BCM4908.patch @@ -0,0 +1,25 @@ +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Tue, 9 Nov 2021 11:34:28 +0100 +Subject: [PATCH] watchdog: bcm7038_wdt: allow building on ARCH_BCM4908 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +The same hardware block is present on BCM4908 SoCs family. + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +--- + drivers/watchdog/Kconfig | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/watchdog/Kconfig ++++ b/drivers/watchdog/Kconfig +@@ -1800,7 +1800,7 @@ config BCM7038_WDT + tristate "BCM7038 Watchdog" + select WATCHDOG_CORE + depends on HAS_IOMEM +- depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST ++ depends on ARCH_BCM4908 || ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST + help + Watchdog driver for the built-in hardware in Broadcom 7038 and + later SoCs used in set-top boxes. BCM7038 was made public |