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Fri, 20 May 2022 13:51:24 +0900 (KST) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas2p1.samsung.com (KnoxPortal) with ESMTPA id 20220520045124epcas2p12235472b7e9f7588003a7c8c238e8866~wtwJfJhTV0743507435epcas2p1W; Fri, 20 May 2022 04:51:24 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20220520045124epsmtrp24bdc8a9f36b68e7bd9e0f65929326d56~wtwJeb0yh0544805448epsmtrp2R; Fri, 20 May 2022 04:51:24 +0000 (GMT) X-AuditID: b6c32a47-573ff7000000272c-9d-62871e4c2624 Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id 6D.75.11276.B4E17826; Fri, 20 May 2022 13:51:23 +0900 (KST) Received: from localhost.localdomain (unknown [10.229.9.51]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20220520045123epsmtip2f2cb8aee8d578ca5265e7bc482cb0130~wtwJR3Swi2365623656epsmtip23; Fri, 20 May 2022 04:51:23 +0000 (GMT) From: Chanho Park To: Rob Herring , Krzysztof Kozlowski Cc: Alim Akhtar , Chanwoo Choi , Sam Protsenko , linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, Chanho Park Subject: [PATCH] arm64: dts: exynoautov9: add syscon reboot/reboot_mode support Date: Fri, 20 May 2022 13:52:10 +0900 Message-Id: <20220520045210.55132-1-chanho61.park@samsung.com> X-Mailer: git-send-email 2.36.1 MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrPKsWRmVeSWpSXmKPExsWy7bCmqa6PXHuSweot1hYP5m1js7i8X9vi +pfnrBbzj5xjteh78ZDZYsb5fUwWrXuPsFs879vH5MDhsWlVJ5vHnWt72Dz6tqxi9Pi8SS6A JSrbJiM1MSW1SCE1Lzk/JTMv3VbJOzjeOd7UzMBQ19DSwlxJIS8xN9VWycUnQNctMwfoCiWF ssScUqBQQGJxsZK+nU1RfmlJqkJGfnGJrVJqQUpOgXmBXnFibnFpXrpeXmqJlaGBgZEpUGFC dsbuK/1MBSu5K3ZvDW1gXMzZxcjJISFgIrH8wErWLkYuDiGBHYwS9//9ZYFwPjFKbL7VzQzh fGOUePF9FhNMy6yDbYwQib2MEp2H9zNBOB8ZJVqPr2cDqWIT0JXY8vwVI4gtIhAvcf5NI9hc ZoGXjBInLj1gAUkICwRKHFv6CKyBRUBV4s7sm6wgNq+AnUR3+wEWiHXyEhvm9zJDxAUlTs58 AhZnBoo3b50Ndp+EwDl2idXvD7NDNLhILL7xHepWYYlXx7dAxaUkPr/bywZhF0ssnfWJCaK5 gVHi8rZfUAljiVnP2oHO5gDaoCmxfpc+iCkhoCxx5BbUXj6JjsN/2SHCvBIdbUIQjeoSB7ZP hzpZVqJ7zmdWCNtDYvL332DDhQRiJb5N3sw6gVF+FpJvZiH5ZhbC3gWMzKsYxVILinPTU4uN CozhsZqcn7uJEZwStdx3MM54+0HvECMTB+MhRgkOZiURXsbcliQh3pTEyqrUovz4otKc1OJD jKbA8J3ILCWanA9Mynkl8YYmlgYmZmaG5kamBuZK4rxeKRsShQTSE0tSs1NTC1KLYPqYODil Gpjab5jm18oJRlxYV6bjGjHZXeqvw8xv29wf6kVG+XxtnGJ43HJfy5KQ+16yktpndDrnbt3y XNn32JRIxsh7Pamae4qEGyvt+aTTlgTPUX2qpWGw51nlWys+q2XLNVovPzyeY162cOtlruN9 OrLl4XMzhVnji5cXmnPo5LxkObtg8/LEN0dWa88oOuH6PZNJ7ZuYhVPzdOcLscYGBw8Wu55e FT19KqfLi7v36rOWN31RiHi2MeK9ZtajqXJLyg47spdZVCl271/KfrlG/nZHg7E37/R7wVGH FFuTFoQu5Entv+u3afEc62W5D/Z/6l4cNkmOS6Jx32W7yvBzKzs0RZ+k2X+V0Xr9cMrJC+vU 0pVYijMSDbWYi4oTAX9yt7QSBAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrDLMWRmVeSWpSXmKPExsWy7bCSvK63XHuSwZedlhYP5m1js7i8X9vi +pfnrBbzj5xjteh78ZDZYsb5fUwWrXuPsFs879vH5MDhsWlVJ5vHnWt72Dz6tqxi9Pi8SS6A JYrLJiU1J7MstUjfLoErY/eVfqaCldwVu7eGNjAu5uxi5OSQEDCRmHWwjbGLkYtDSGA3o8Td jadYIBKyEs/e7WCHsIUl7rccYQWxhQTeM0rc/ANWwyagK7Hl+StGEFtEIF5i6bkfLCCDmAXe Mkr8ezATKMHBISzgLzFltx5IDYuAqsSd2TfB5vAK2El0tx+A2iUvsWF+LzNEXFDi5MwnYHFm oHjz1tnMExj5ZiFJzUKSWsDItIpRMrWgODc9t9iwwDAvtVyvODG3uDQvXS85P3cTIzhAtTR3 MG5f9UHvECMTB+MhRgkOZiURXsbcliQh3pTEyqrUovz4otKc1OJDjNIcLErivBe6TsYLCaQn lqRmp6YWpBbBZJk4OKUamGZ6xkf7dDY0xm1/e7l95nG1zTfN9P6fdpKbv0Jw1aYAH8ZnJsYp lSuXVt84+GBpy8Hlst99278p3S69k5z73jFma4GfYWbhm9wzl2O3vnr4IPbXsi0ljTraJe4v Zh+8bJqfNCH2q3CJSLqFO8vbooagRNep34xS/8quj12y7nadJb/kHJHe99esVyXmmln6nIkp 1H15TIjjUuODbvE188M32ISEqeedCtGzmmX/f3KP+9TK5BUHUze9n5mlkXmfgyPfWvOU0Iyj hz612UsmPVyTIbx6x6JlDItKggJmfhKWeDWx0Nn+yJd1XqWRp6sa9626E+U65eMSttMSU/SX 7/tsOv2YS93VtR8mfWwsPaLEUpyRaKjFXFScCABS6PrBvwIAAA== X-CMS-MailID: 20220520045124epcas2p12235472b7e9f7588003a7c8c238e8866 X-Msg-Generator: CA X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20220520045124epcas2p12235472b7e9f7588003a7c8c238e8866 References: Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Reboot of exynosautov9 SoC can be handled by setting the bit( SWRESET_SYSTEM[1]) of SYSTEM_CONFIGURATION register(PMU + 0x3a00). syscon-reboot-mode can be used to indicate the reboot mode for bootloader. SYSIP_DAT0 register(PMU + 0x810) will not be cleared after reboot so bootloader can enter the boot mode according to the value. Signed-off-by: Chanho Park --- arch/arm64/boot/dts/exynos/exynosautov9.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi index 0ce46ec5cdc3..d99e53406ee0 100644 --- a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi +++ b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi @@ -312,6 +312,22 @@ pinctrl_peric1: pinctrl@10830000 { pmu_system_controller: system-controller@10460000 { compatible = "samsung,exynos7-pmu", "syscon"; reg = <0x10460000 0x10000>; + + reboot: syscon-reboot { + compatible = "syscon-reboot"; + regmap = <&pmu_system_controller>; + offset = <0x3a00>; /* SYSTEM_CONFIGURATION */ + value = <0x2>; + mask = <0x2>; + }; + + reboot_mode: syscon-reboot-mode { + compatible = "syscon-reboot-mode"; + offset = <0x810>; /* SYSIP_DAT0 */ + mode-bootloader = <0xfc>; + mode-fastboot = <0xfa>; + mode-recovery = <0xff>; + }; }; syscon_fsys2: syscon@17c20000 {