From 29d987fc89d0abaea4f6cec1510325cfe8b498a4 Mon Sep 17 00:00:00 2001 From: Nick Hainke Date: Thu, 3 Nov 2022 13:48:25 +0100 Subject: [PATCH] mediatek: replace mt7986 watchdog assert patch with upstream Replace "920-watchdog-add-mt7986-assert.patch" with upstreamed - 920-v5.16-watchdog-mtk-add-disable_wdt_extrst-support.patch - 921-v5.19-watchdog-mtk_wdt-mt7986-Add-toprgu-reset-controller.patch Signed-off-by: Nick Hainke --- ...g-mtk-add-disable_wdt_extrst-support.patch | 50 ++++++++++++++++ .../920-watchdog-add-mt7986-assert.patch | 57 ------------------- ...t-mt7986-Add-toprgu-reset-controller.patch | 49 ++++++++++++++++ 3 files changed, 99 insertions(+), 57 deletions(-) create mode 100644 target/linux/mediatek/patches-5.15/920-v5.16-watchdog-mtk-add-disable_wdt_extrst-support.patch delete mode 100644 target/linux/mediatek/patches-5.15/920-watchdog-add-mt7986-assert.patch create mode 100644 target/linux/mediatek/patches-5.15/921-v5.19-watchdog-mtk_wdt-mt7986-Add-toprgu-reset-controller.patch diff --git a/target/linux/mediatek/patches-5.15/920-v5.16-watchdog-mtk-add-disable_wdt_extrst-support.patch b/target/linux/mediatek/patches-5.15/920-v5.16-watchdog-mtk-add-disable_wdt_extrst-support.patch new file mode 100644 index 000000000000..d9379721fb8a --- /dev/null +++ b/target/linux/mediatek/patches-5.15/920-v5.16-watchdog-mtk-add-disable_wdt_extrst-support.patch @@ -0,0 +1,50 @@ +From 59b0f51335644ee603260faaa4298c0115fb7187 Mon Sep 17 00:00:00 2001 +From: Fengquan Chen +Date: Tue, 14 Sep 2021 20:34:54 +0800 +Subject: [PATCH] watchdog: mtk: add disable_wdt_extrst support + +In some cases, we may need watchdog just to trigger an +internal soc reset without sending any output signal. + +Provide a disable_wdt_extrst parameter for configuration. +We can disable or enable it just by configuring dts. + +Signed-off-by: Fengquan Chen +Reviewed-by: Guenter Roeck +Link: https://lore.kernel.org/r/20210914123454.32603-3-Fengquan.Chen@mediatek.com +Signed-off-by: Guenter Roeck +Signed-off-by: Wim Van Sebroeck +--- + drivers/watchdog/mtk_wdt.c | 7 +++++++ + 1 file changed, 7 insertions(+) + +--- a/drivers/watchdog/mtk_wdt.c ++++ b/drivers/watchdog/mtk_wdt.c +@@ -65,6 +65,7 @@ struct mtk_wdt_dev { + void __iomem *wdt_base; + spinlock_t lock; /* protects WDT_SWSYSRST reg */ + struct reset_controller_dev rcdev; ++ bool disable_wdt_extrst; + }; + + struct mtk_wdt_data { +@@ -256,6 +257,8 @@ static int mtk_wdt_start(struct watchdog + reg |= (WDT_MODE_IRQ_EN | WDT_MODE_DUAL_EN); + else + reg &= ~(WDT_MODE_IRQ_EN | WDT_MODE_DUAL_EN); ++ if (mtk_wdt->disable_wdt_extrst) ++ reg &= ~WDT_MODE_EXRST_EN; + reg |= (WDT_MODE_EN | WDT_MODE_KEY); + iowrite32(reg, wdt_base + WDT_MODE); + +@@ -381,6 +384,10 @@ static int mtk_wdt_probe(struct platform + if (err) + return err; + } ++ ++ mtk_wdt->disable_wdt_extrst = ++ of_property_read_bool(dev->of_node, "mediatek,disable-extrst"); ++ + return 0; + } + diff --git a/target/linux/mediatek/patches-5.15/920-watchdog-add-mt7986-assert.patch b/target/linux/mediatek/patches-5.15/920-watchdog-add-mt7986-assert.patch deleted file mode 100644 index 699161458cbb..000000000000 --- a/target/linux/mediatek/patches-5.15/920-watchdog-add-mt7986-assert.patch +++ /dev/null @@ -1,57 +0,0 @@ ---- a/drivers/watchdog/mtk_wdt.c -+++ b/drivers/watchdog/mtk_wdt.c -@@ -9,6 +9,7 @@ - * Based on sunxi_wdt.c - */ - -+#include - #include - #include - #include -@@ -65,6 +66,7 @@ struct mtk_wdt_dev { - void __iomem *wdt_base; - spinlock_t lock; /* protects WDT_SWSYSRST reg */ - struct reset_controller_dev rcdev; -+ bool disable_wdt_extrst; - }; - - struct mtk_wdt_data { -@@ -87,6 +89,10 @@ static const struct mtk_wdt_data mt8195_ - .toprgu_sw_rst_num = MT8195_TOPRGU_SW_RST_NUM, - }; - -+static const struct mtk_wdt_data mt7986_data = { -+ .toprgu_sw_rst_num = MT7986_TOPRGU_SW_RST_NUM, -+}; -+ - static int toprgu_reset_update(struct reset_controller_dev *rcdev, - unsigned long id, bool assert) - { -@@ -256,6 +262,8 @@ static int mtk_wdt_start(struct watchdog - reg |= (WDT_MODE_IRQ_EN | WDT_MODE_DUAL_EN); - else - reg &= ~(WDT_MODE_IRQ_EN | WDT_MODE_DUAL_EN); -+ if (mtk_wdt->disable_wdt_extrst) -+ reg &= ~WDT_MODE_EXRST_EN; - reg |= (WDT_MODE_EN | WDT_MODE_KEY); - iowrite32(reg, wdt_base + WDT_MODE); - -@@ -381,6 +389,10 @@ static int mtk_wdt_probe(struct platform - if (err) - return err; - } -+ -+ mtk_wdt->disable_wdt_extrst = -+ of_property_read_bool(dev->of_node, "mediatek,disable-extrst"); -+ - return 0; - } - -@@ -414,6 +426,7 @@ static const struct of_device_id mtk_wdt - { .compatible = "mediatek,mt8183-wdt", .data = &mt8183_data }, - { .compatible = "mediatek,mt8192-wdt", .data = &mt8192_data }, - { .compatible = "mediatek,mt8195-wdt", .data = &mt8195_data }, -+ { .compatible = "mediatek,mt7986-wdt", .data = &mt7986_data }, - { /* sentinel */ } - }; - MODULE_DEVICE_TABLE(of, mtk_wdt_dt_ids); diff --git a/target/linux/mediatek/patches-5.15/921-v5.19-watchdog-mtk_wdt-mt7986-Add-toprgu-reset-controller.patch b/target/linux/mediatek/patches-5.15/921-v5.19-watchdog-mtk_wdt-mt7986-Add-toprgu-reset-controller.patch new file mode 100644 index 000000000000..96fb215f76c0 --- /dev/null +++ b/target/linux/mediatek/patches-5.15/921-v5.19-watchdog-mtk_wdt-mt7986-Add-toprgu-reset-controller.patch @@ -0,0 +1,49 @@ +From 711a5b25bac95dcd1111521ed71693330e74a926 Mon Sep 17 00:00:00 2001 +From: Sam Shih +Date: Wed, 5 Jan 2022 18:04:56 +0800 +Subject: [PATCH] watchdog: mtk_wdt: mt7986: Add toprgu reset controller + support + +Besides watchdog, the mt7986 toprgu module also provides software reset +functionality for various peripheral subsystems +(eg, ethernet, pcie, and connectivity) + +Signed-off-by: Sam Shih +Reviewed-by: Matthias Brugger +Reviewed-by: Guenter Roeck +Link: https://lore.kernel.org/r/20220105100456.7126-3-sam.shih@mediatek.com +Signed-off-by: Guenter Roeck +Signed-off-by: Wim Van Sebroeck +--- + drivers/watchdog/mtk_wdt.c | 6 ++++++ + 1 file changed, 6 insertions(+) + +--- a/drivers/watchdog/mtk_wdt.c ++++ b/drivers/watchdog/mtk_wdt.c +@@ -10,6 +10,7 @@ + */ + + #include ++#include + #include + #include + #include +@@ -76,6 +77,10 @@ static const struct mtk_wdt_data mt2712_ + .toprgu_sw_rst_num = MT2712_TOPRGU_SW_RST_NUM, + }; + ++static const struct mtk_wdt_data mt7986_data = { ++ .toprgu_sw_rst_num = MT7986_TOPRGU_SW_RST_NUM, ++}; ++ + static const struct mtk_wdt_data mt8183_data = { + .toprgu_sw_rst_num = MT8183_TOPRGU_SW_RST_NUM, + }; +@@ -418,6 +423,7 @@ static int mtk_wdt_resume(struct device + static const struct of_device_id mtk_wdt_dt_ids[] = { + { .compatible = "mediatek,mt2712-wdt", .data = &mt2712_data }, + { .compatible = "mediatek,mt6589-wdt" }, ++ { .compatible = "mediatek,mt7986-wdt", .data = &mt7986_data }, + { .compatible = "mediatek,mt8183-wdt", .data = &mt8183_data }, + { .compatible = "mediatek,mt8192-wdt", .data = &mt8192_data }, + { .compatible = "mediatek,mt8195-wdt", .data = &mt8195_data }, -- 2.30.2