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Mon, 23 Dec 2024 12:56:11 +0000 (GMT) Received: from eusmgms1.samsung.com (unknown [182.198.249.179]) by eusmtrp1.samsung.com (KnoxPortal) with ESMTP id 20241223125611eusmtrp1286a66d470035e4b45147ba9a17fe503~Tz6Dp-G552051220512eusmtrp1X; Mon, 23 Dec 2024 12:56:11 +0000 (GMT) X-AuditID: cbfec7f2-b11c470000005155-7e-67695dec664e Received: from eusmtip2.samsung.com ( [203.254.199.222]) by eusmgms1.samsung.com (EUCPMTA) with SMTP id 69.F3.19920.BED59676; Mon, 23 Dec 2024 12:56:11 +0000 (GMT) Received: from AMDC4942.home (unknown [106.210.136.40]) by eusmtip2.samsung.com (KnoxPortal) with ESMTPA id 20241223125610eusmtip2281e1d2b6afaaf58cf5d3611edb15604~Tz6CVq5Fm2296222962eusmtip2N; Mon, 23 Dec 2024 12:56:10 +0000 (GMT) From: Michal Wilczynski To: mturquette@baylibre.com, sboyd@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, drew@pdp7.com, guoren@kernel.org, wefu@redhat.com, jassisinghbrar@gmail.com, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, frank.binns@imgtec.com, matt.coster@imgtec.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, ulf.hansson@linaro.org, jszhang@kernel.org, p.zabel@pengutronix.de, m.szyprowski@samsung.com Cc: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-pm@vger.kernel.org, Michal Wilczynski Subject: [RFC PATCH v2 08/19] dt-bindings: reset: Add T-HEAD TH1520 SoC Reset Controller Date: Mon, 23 Dec 2024 13:55:42 +0100 Message-Id: <20241223125553.3527812-9-m.wilczynski@samsung.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241223125553.3527812-1-m.wilczynski@samsung.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA02Se0xTVxzHPffe3ntpVnatTM+6DSIKeyngYrKTAA72SK7JSFhCQoLBrchd IeNlC0yWbcIoBbviABG0gtVJRgPUUmgbYLxkCDilykNA0zJC2HhYVqDia0NGuW7zv8/vcb6/ 7zc5NC42kxI6OS2Tk6dJU/xJIWHte2zb64xPloWcafZGA+M/Ysjyl5ZCDR02DOl6bQI0OWzG 0Oiqi0SXf79FobmOPAKN6asplN9nJNG8dpJEy5pJARppqyKRu7gXIKtbSSJDr4NCxlUdhi4u WwhU09IGkOrETwI09OtHyDE5QKD5EQ2OVNoX0Xp7C4WejpkIdO7PLgqZnaUC1G+IRcquciLC l3VNFFCsc36eYH8puk+xHQ8uEGyr1kGxmtYbgG2qO0Gy9rF2kj1/7RP2t+/7Mba55jirNPRh 7A9rIayr8zbJnjTXAXY4f5yKFscJwxK5lORsTh584DNh0so9vSDjgeSY1rlI5ILR7WrgRUNm P6zoOYergZAWM3oATW4X4Iv7AE7PPiH5wg1g0+1GSg3ozScDF/fw/VoAnU4TwRdOAE/ZKgiP Lsm8A6dqdQLPwIcpIGDB1bxNXZyZBdA6U0V6trYxcXBkukDgYYIJgN1V4xtOKFrEvAfLBLw/ P9h1ZRD3sBcTARvUE8DDImYrvHZ2ZvMWvrGTb+EzQMYihMa8JZx3+iEcqpHwOtvgQr+Z4vlV eP2UhuA5HU5ZVnCev4atmv5nHArtNk96ekP/TWhsC+bbkTBfdxfj1b3hxOJW3oE3LLNWPjsq gkUqMb8dCE9riv87atNbMZ5ZWFIySJSAndrnsmify6L9/+4FgNeBHVyWIlXGKfalcV8GKaSp iqw0WdCR9NQmsPGxrz/tX2kB1QvLQT0Ao0EPgDTu7yPqESfLxKJEac5XnDz9U3lWCqfoAa/Q hP8OUUCiHydmZNJM7guOy+Dk/04x2kuSi6XYXl+5FB178Bv5Unfw8LrBdDLg8yDaXSl7dGwu LmE2wmF6AWtos2VHhjaqhQELylu95YdVyiqFCLcHBFoTa1e7IqNidfunUmsL2ZFCapdd9a0f NphwJtrFfND46LHfFeNyfd0fZYdqZqKEPjHx34VnRv0dtn23+qUK6mhqbnNJ7GDta1vCffee ntaX7izHAmssa9kvF02Uzu8uemNOeu/tyIR3DQ+PmkMEa0afS+nKdcfHEqzzifumX8bNA6Eh ipz62aSlJoaarn7YXpB+vNDnaufZO+cjc+xbWkuU3Ydv7Nk1qg9sqwzEVOExQkZSnLtYb3D5 ht2di495/+c7Q0dE/oQiSbrvLVyukP4DiHW3K0cEAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrMKsWRmVeSWpSXmKPExsVy+t/xe7qvYzPTDd7/FrE4cX0Rk8XW37PY LdbsPcdkMf/IOVaLe5e2MFlc+fqezWLd0wvsFi/2NrJYXFsxl92i+dh6NouXs+6xWXzsucdq cXnXHDaLz71HGC22fW5hs1h75C67xfqv85ksFn7cymKxZMcuRou2zmWsFhdPuVrcvXeCxeLl 5R5mi7ZZ/Bb/9+xgt/h3bSOLxex3+9kttryZyGpxfG24Rcv+KSwOch7vb7Sye7x5+ZLF43DH F3aPvd8WsHjsnHWX3aNn5xlGj02rOtk87lzbw+Yx72Sgx/3u40wem5fUe7SsPcbk0f/XwOP9 vqtsHn1bVjF6XGq+zh4gFKVnU5RfWpKqkJFfXGKrFG1oYaRnaGmhZ2RiqWdobB5rZWSqpG9n k5Kak1mWWqRvl6CX8en1CtaCb1IVs968ZWlgvCLWxcjBISFgInFioU4XIxeHkMBSRom3O1ew dzFyAsVlJK51v2SBsIUl/lzrYoMoesUosbD3AjNIgk3ASOLB8vmsILaIwGIWib37KkGKmAXe Mkpcn7kRrFtYIELixaG5YDaLgKrEgTnXgZrZOXgF7CUmsULMl5fYf/As2EhOAQeJNV03GEFs IaCKf6c+sIHYvAKCEidnPgGbwgxU37x1NvMERoFZSFKzkKQWMDKtYhRJLS3OTc8tNtQrTswt Ls1L10vOz93ECEwt24793LyDcd6rj3qHGJk4GA8xSnAwK4nwHhLKTBfiTUmsrEotyo8vKs1J LT7EaAp09URmKdHkfGByyyuJNzQzMDU0MbM0MLU0M1YS53W7fD5NSCA9sSQ1OzW1ILUIpo+J g1OqgamKbZrK4V32QvrTJ6vNCJArr0+8JuT1jbfBc3370c/ruLreZjlf/99SI/Z+4xfn+esC FyesDJNbuvwut5ycjeHOynAGpzesGyQlE/gP3brmMblZ79VR87iNe5mmfzde7s6woWCqYcJU +UTNreffnfdJ65t84pdyqw3X6ZyieY93pmr/YFmSeb09I3LLdD7hyc0ubyc/mztnXvOE90ZT 93W/DD4r+P/9oWid5ND9ezarzGS5drxC7+H+0MwzuvoNk7ucrx4oMVg0x3zv7RAPif6d/TpL Z08q0L/UGiaw6P7RMylc0bWeXmn+64+rT5y5+f+S7t4VmQfTOGQVJxw9Il3QOZVZ6u+xP8cL RBqrOv8osRRnJBpqMRcVJwIArJRzoLYDAAA= X-CMS-MailID: 20241223125611eucas1p1acf9a7f030c4c8687f946c34f8043bcd X-Msg-Generator: CA X-RootMTR: 20241223125611eucas1p1acf9a7f030c4c8687f946c34f8043bcd X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20241223125611eucas1p1acf9a7f030c4c8687f946c34f8043bcd References: <20241223125553.3527812-1-m.wilczynski@samsung.com> Add a YAML schema for the T-HEAD TH1520 SoC reset controller. This controller manages resets for subsystems such as the GPU within the TH1520 SoC. Signed-off-by: Michal Wilczynski --- .../bindings/reset/thead,th1520-reset.yaml | 45 +++++++++++++++++++ MAINTAINERS | 2 + .../dt-bindings/reset/thead,th1520-reset.h | 13 ++++++ 3 files changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/reset/thead,th1520-reset.yaml create mode 100644 include/dt-bindings/reset/thead,th1520-reset.h diff --git a/Documentation/devicetree/bindings/reset/thead,th1520-reset.yaml b/Documentation/devicetree/bindings/reset/thead,th1520-reset.yaml new file mode 100644 index 000000000000..46d0e6b8c712 --- /dev/null +++ b/Documentation/devicetree/bindings/reset/thead,th1520-reset.yaml @@ -0,0 +1,45 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) + +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/reset/thead,th1520-reset.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: T-HEAD TH1520 SoC Reset Controller + +description: | + The T-HEAD TH1520 reset controller is a hardware block that asserts/deasserts + resets for SoC subsystems. + +maintainers: + - Michal Wilczynski + +properties: + compatible: + enum: + - thead,th1520-reset + + reg: + maxItems: 1 + + "#reset-cells": + const: 1 + +required: + - compatible + - reg + - "#reset-cells" + +additionalProperties: false + +examples: + - | + soc { + #address-cells = <2>; + #size-cells = <2>; + rst: reset-controller@ffef528000 { + compatible = "thead,th1520-reset"; + reg = <0xff 0xef528000 0x0 0x1000>; + #reset-cells = <1>; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 173eeaf3bbe8..db8c55058c29 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -20194,6 +20194,7 @@ F: Documentation/devicetree/bindings/mailbox/thead,th1520-mbox.yaml F: Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml F: Documentation/devicetree/bindings/pinctrl/thead,th1520-pinctrl.yaml F: Documentation/devicetree/bindings/power/thead,th1520-power.yaml +F: Documentation/devicetree/bindings/reset/thead,th1520-reset.yaml F: arch/riscv/boot/dts/thead/ F: drivers/clk/thead/clk-th1520-ap.c F: drivers/firmware/thead,th1520-aon.c @@ -20202,6 +20203,7 @@ F: drivers/net/ethernet/stmicro/stmmac/dwmac-thead.c F: drivers/pinctrl/pinctrl-th1520.c F: drivers/pmdomain/thead/ F: include/dt-bindings/clock/thead,th1520-clk-ap.h +F: include/dt-bindings/reset/thead,th1520-reset.h F: include/linux/firmware/thead/thead,th1520-aon.h RNBD BLOCK DRIVERS diff --git a/include/dt-bindings/reset/thead,th1520-reset.h b/include/dt-bindings/reset/thead,th1520-reset.h new file mode 100644 index 000000000000..a4958b2ed710 --- /dev/null +++ b/include/dt-bindings/reset/thead,th1520-reset.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * Copyright (c) 2024 Samsung Electronics Co., Ltd. + * Author: Michal Wilczynski + */ + +#ifndef _DT_BINDINGS_TH1520_RESET_H +#define _DT_BINDINGS_TH1520_RESET_H + +#define TH1520_RESET_ID_GPU 0 +#define TH1520_RESET_NUM_IDS 1 + +#endif /* _DT_BINDINGS_TH1520_RESET_H */