From: Boris Lysov <arzamas-16@mail.ee> To: matthias.bgg@gmail.com, linux@roeck-us.net, robh+dt@kernel.org Cc: devicetree@vger.kernel.org, linux-mediatek@lists.infradead.org Subject: [PATCH v3 3/3] watchdog: mtk_wdt: add support for mt6577 Date: Thu, 13 May 2021 04:35:15 +0300 [thread overview] Message-ID: <20210513013515.31329-4-arzamas-16@mail.ee> (raw) In-Reply-To: <20210513013515.31329-1-arzamas-16@mail.ee> This patch adds support for watchdog used by mt6577 and related SoCs such as mt6575 and mt8317. These watchdogs are known for having shifted WDT_MODE and SWSYSRST registers and using different SWSYSRST_KEY value. Signed-off-by: Boris Lysov <arzamas-16@mail.ee> --- drivers/watchdog/mtk_wdt.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c index 0878fa33dffe..91d498b5d212 100644 --- a/drivers/watchdog/mtk_wdt.c +++ b/drivers/watchdog/mtk_wdt.c @@ -54,6 +54,10 @@ #define MT2712_SWSYSRST_KEY_SHIFT 24 // unlock_key [31:24] #define MT2712_SWSYSRST_KEY 0x88 +#define MT6577_WDT_MODE_KEY_SHIFT 8 // unlock_key [15:8] +#define MT6577_SWSYSRST_KEY_SHIFT 8 // unlock_key [15:8] +#define MT6577_SWSYSRST_KEY 0x15 + #define MT6589_WDT_MODE_KEY_SHIFT 24 // unlock_key [31:24] #define MT6589_SWSYSRST_KEY_SHIFT 24 // unlock_key [31:24] #define MT6589_SWSYSRST_KEY 0x88 @@ -94,6 +98,13 @@ static const struct mtk_wdt_data mt2712_data = { .wdt_swsys_rst_key = MT2712_SWSYSRST_KEY, }; +static const struct mtk_wdt_data mt6577_data = { + .toprgu_sw_rst_num = -1, + .wdt_mode_key_shift = MT6577_WDT_MODE_KEY_SHIFT, + .wdt_swsys_rst_key_shift = MT6577_SWSYSRST_KEY_SHIFT, + .wdt_swsys_rst_key = MT6577_SWSYSRST_KEY, +}; + static const struct mtk_wdt_data mt6589_data = { .toprgu_sw_rst_num = -1, .wdt_mode_key_shift = MT6589_WDT_MODE_KEY_SHIFT, @@ -376,6 +387,7 @@ static int mtk_wdt_resume(struct device *dev) static const struct of_device_id mtk_wdt_dt_ids[] = { { .compatible = "mediatek,mt2712-wdt", .data = &mt2712_data }, + { .compatible = "mediatek,mt6577-wdt", .data = &mt6577_data }, { .compatible = "mediatek,mt6589-wdt", .data = &mt6589_data }, { .compatible = "mediatek,mt8183-wdt", .data = &mt8183_data }, { .compatible = "mediatek,mt8192-wdt", .data = &mt8192_data }, -- 2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: Boris Lysov <arzamas-16@mail.ee> To: matthias.bgg@gmail.com, linux@roeck-us.net, robh+dt@kernel.org Cc: devicetree@vger.kernel.org, linux-mediatek@lists.infradead.org Subject: [PATCH v3 3/3] watchdog: mtk_wdt: add support for mt6577 Date: Thu, 13 May 2021 04:35:15 +0300 [thread overview] Message-ID: <20210513013515.31329-4-arzamas-16@mail.ee> (raw) In-Reply-To: <20210513013515.31329-1-arzamas-16@mail.ee> This patch adds support for watchdog used by mt6577 and related SoCs such as mt6575 and mt8317. These watchdogs are known for having shifted WDT_MODE and SWSYSRST registers and using different SWSYSRST_KEY value. Signed-off-by: Boris Lysov <arzamas-16@mail.ee> --- drivers/watchdog/mtk_wdt.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c index 0878fa33dffe..91d498b5d212 100644 --- a/drivers/watchdog/mtk_wdt.c +++ b/drivers/watchdog/mtk_wdt.c @@ -54,6 +54,10 @@ #define MT2712_SWSYSRST_KEY_SHIFT 24 // unlock_key [31:24] #define MT2712_SWSYSRST_KEY 0x88 +#define MT6577_WDT_MODE_KEY_SHIFT 8 // unlock_key [15:8] +#define MT6577_SWSYSRST_KEY_SHIFT 8 // unlock_key [15:8] +#define MT6577_SWSYSRST_KEY 0x15 + #define MT6589_WDT_MODE_KEY_SHIFT 24 // unlock_key [31:24] #define MT6589_SWSYSRST_KEY_SHIFT 24 // unlock_key [31:24] #define MT6589_SWSYSRST_KEY 0x88 @@ -94,6 +98,13 @@ static const struct mtk_wdt_data mt2712_data = { .wdt_swsys_rst_key = MT2712_SWSYSRST_KEY, }; +static const struct mtk_wdt_data mt6577_data = { + .toprgu_sw_rst_num = -1, + .wdt_mode_key_shift = MT6577_WDT_MODE_KEY_SHIFT, + .wdt_swsys_rst_key_shift = MT6577_SWSYSRST_KEY_SHIFT, + .wdt_swsys_rst_key = MT6577_SWSYSRST_KEY, +}; + static const struct mtk_wdt_data mt6589_data = { .toprgu_sw_rst_num = -1, .wdt_mode_key_shift = MT6589_WDT_MODE_KEY_SHIFT, @@ -376,6 +387,7 @@ static int mtk_wdt_resume(struct device *dev) static const struct of_device_id mtk_wdt_dt_ids[] = { { .compatible = "mediatek,mt2712-wdt", .data = &mt2712_data }, + { .compatible = "mediatek,mt6577-wdt", .data = &mt6577_data }, { .compatible = "mediatek,mt6589-wdt", .data = &mt6589_data }, { .compatible = "mediatek,mt8183-wdt", .data = &mt8183_data }, { .compatible = "mediatek,mt8192-wdt", .data = &mt8192_data }, -- 2.20.1 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek
next prev parent reply other threads:[~2021-05-13 2:53 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-05-13 1:35 [PATCH v3 0/3] watchdog: mtk_wdt: refactor code to support more watchdogs Boris Lysov 2021-05-13 1:35 ` Boris Lysov 2021-05-13 1:35 ` [PATCH v3 1/3] watchdog: mtk_wdt: Refactor code to support more SoCs Boris Lysov 2021-05-13 1:35 ` Boris Lysov 2021-05-13 15:22 ` Guenter Roeck 2021-05-13 15:22 ` Guenter Roeck 2021-05-13 1:35 ` [PATCH v3 2/3] dt-bindings: watchdog: mediatek: add support for mt6577 SoC Boris Lysov 2021-05-13 1:35 ` Boris Lysov 2021-05-13 2:28 ` Rob Herring 2021-05-13 2:28 ` Rob Herring 2021-05-13 15:22 ` Guenter Roeck 2021-05-13 15:22 ` Guenter Roeck 2021-05-13 1:35 ` Boris Lysov [this message] 2021-05-13 1:35 ` [PATCH v3 3/3] watchdog: mtk_wdt: add support for mt6577 Boris Lysov 2021-05-13 15:23 ` Guenter Roeck 2021-05-13 15:23 ` Guenter Roeck
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