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Thu, 14 May 2020 00:53:07 +0000 (GMT) From: Alim Akhtar To: robh@kernel.org Cc: devicetree@vger.kernel.org, linux-scsi@vger.kernel.org, krzk@kernel.org, avri.altman@wdc.com, martin.petersen@oracle.com, kwmad.kim@samsung.com, stanley.chu@mediatek.com, cang@codeaurora.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Alim Akhtar Subject: [PATCH v9 08/10] dt-bindings: ufs: Add DT binding documentation for ufs Date: Thu, 14 May 2020 06:09:12 +0530 Message-Id: <20200514003914.26052-9-alim.akhtar@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200514003914.26052-1-alim.akhtar@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrPIsWRmVeSWpSXmKPExsWy7bCmum7ptD1xBnu3qlk8mLeNzeLlz6ts Fp/WL2O1mH/kHKvF+fMb2C1ubjnKYrHp8TVWi8u75rBZzDi/j8mi+/oONovlx/8xWfzfs4Pd YunWm4wOvB6X+3qZPDat6mTz2Lyk3qPl5H4Wj49Pb7F49G1ZxejxeZOcR/uBbqYAjigum5TU nMyy1CJ9uwSujOYvyxkL9olVTPn/nKmBsV+wi5GDQ0LAROLJJp4uRi4OIYHdjBJ//39jh3A+ MUrsWb2OGcL5xiixpPMFWxcjJ1jHpZfX2EFsIYG9jBLPD6dC2C1MEo8v6oLYbALaEnenb2EC sUUEhCWOfGtjBLGZBW4wSTxY6QJiCwsESXS1bWIDuYJFQFVi+01xkDCvgI3E/0PfGSFWyUus 3nCAGcTmFLCV2PLlGCtEvJND4lRzOYTtIrFu/TaoemGJV8e3sEPYUhKf3+1lg3gyW6JnlzFE uEZi6bxjLBC2vcSBK3NYQEqYBTQl1u/ShziST6L39xMmiE5eiY42IYhqVYnmd1ehOqUlJnZ3 Qx3jIbFtz0QWSEBNYJT4cf0F6wRG2VkIUxcwMq5ilEwtKM5NTy02LTDKSy3XK07MLS7NS9dL zs/dxAhOI1peOxgfPvigd4iRiYPxEKMEB7OSCK/f+t1xQrwpiZVVqUX58UWlOanFhxilOViU xHmTGrfECQmkJ5akZqemFqQWwWSZODilGpgK17HdF/7V4DHRR+bM5PsXQhe2Z92NdZ5fLM9w vvbG4h6Wo2uMy3bPiOmQajgue+FHnfUsQ8E5gRevPniZLXp7dZR3RoiU1OMDP9n5jW6f3fFg K+eJvy80wg6XLWUIklj2zWT/x4ZrOx9OOanzTHq+odqBl6k6tbusA9NWzes12Kb5vjPr+p+6 axE+Dwu1nkipVkZPvzflW9k7cemo6aeep6y4fLDylXiqt43sK+2VEw5fyhASnZ/EvihCUeLz 36eBWXefeogdebu9vDJ4Zqf4nJboc7NFJS8/e1qgbqNgta5j17/e1StKP2qcOW/DZXvATvv9 Y7GuZ5oVN/kCH5cyLH1T9L9/SvTTOQoz51x/osRSnJFoqMVcVJwIAIml5TmSAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrELMWRmVeSWpSXmKPExsWy7bCSvG7ptD1xBtPXClg8mLeNzeLlz6ts Fp/WL2O1mH/kHKvF+fMb2C1ubjnKYrHp8TVWi8u75rBZzDi/j8mi+/oONovlx/8xWfzfs4Pd YunWm4wOvB6X+3qZPDat6mTz2Lyk3qPl5H4Wj49Pb7F49G1ZxejxeZOcR/uBbqYAjigum5TU nMyy1CJ9uwSujOYvyxkL9olVTPn/nKmBsV+wi5GTQ0LAROLSy2vsXYxcHEICuxklNvzuYINI SEtc3ziBHcIWllj57zlUUROTxIpN05hBEmwC2hJ3p29hArFFgIqOfGtjBLGZBZ4xSZx6WApi CwsESJzo/c3SxcjBwSKgKrH9pjhImFfARuL/oe+MEPPlJVZvOAA2klPAVmLLl2OsILYQUM2y NcsYJzDyLWBkWMUomVpQnJueW2xYYJiXWq5XnJhbXJqXrpecn7uJERzMWpo7GLev+qB3iJGJ g/EQowQHs5IIr9/63XFCvCmJlVWpRfnxRaU5qcWHGKU5WJTEeW8ULowTEkhPLEnNTk0tSC2C yTJxcEo1MKWUiumY3VjLGc8zv+/z95v9b6cIGIuZzlQ+VmjUkD/vheTWR8dKZ00ybZVh9f5a E7Ryo98C7cOcyXsaVmant73edbfMXVmIiXvNSv4j/5gFtd9qXsmoPat1een3rKhA72ru6q1G /kvTUz4Lijoe0zX5dN760eQ/kW5Nb7jvrxHePe9cpjy3Sov6l0XpdfMfLty81ynimHPy2Vnr fjUET57XUO3e+feJs+XL27/YRTKM7fI3t6+N4X+wtPj/oWkXelNmHE5uyPvOpV7A6J4tIvbV x7y6rCHw2oI7U2U68zL+SDz4o9T/+Ooh8exy3wQOGw6G53uuv3j+f8u1bcWbbb5bz/XN76vZ tas15MrP+UosxRmJhlrMRcWJAFpRpVTVAgAA X-CMS-MailID: 20200514005309epcas5p3ccd2b44c1bf20634eea3e232d1c2b62e X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" CMS-TYPE: 105P X-CMS-RootMailID: 20200514005309epcas5p3ccd2b44c1bf20634eea3e232d1c2b62e References: <20200514003914.26052-1-alim.akhtar@samsung.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds DT binding for samsung ufs hci Signed-off-by: Alim Akhtar --- .../bindings/ufs/samsung,exynos-ufs.yaml | 91 +++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml diff --git a/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml new file mode 100644 index 000000000000..eaa64cc32d52 --- /dev/null +++ b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml @@ -0,0 +1,91 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/ufs/samsung,exynos-ufs.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung SoC series UFS host controller Device Tree Bindings + +maintainers: + - Alim Akhtar + +description: | + Each Samsung UFS host controller instance should have its own node. + This binding define Samsung specific binding other then what is used + in the common ufshcd bindings + [1] Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt + +properties: + + compatible: + enum: + - samsung,exynos7-ufs + + reg: + items: + - description: HCI register + - description: vendor specific register + - description: unipro register + - description: UFS protector register + + reg-names: + items: + - const: hci + - const: vs_hci + - const: unipro + - const: ufsp + + clocks: + maxItems: 2 + items: + - description: ufs link core clock + - description: unipro main clock + + clock-names: + maxItems: 2 + items: + - const: core_clk + - const: sclk_unipro_main + + interrupts: + maxItems: 1 + + phys: + maxItems: 1 + + phy-names: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - phys + - phy-names + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include + #include + + ufs: ufs@15570000 { + compatible = "samsung,exynos7-ufs"; + reg = <0x15570000 0x100>, + <0x15570100 0x100>, + <0x15571000 0x200>, + <0x15572000 0x300>; + reg-names = "hci", "vs_hci", "unipro", "ufsp"; + interrupts = ; + clocks = <&clock_fsys1 ACLK_UFS20_LINK>, + <&clock_fsys1 SCLK_UFSUNIPRO20_USER>; + clock-names = "core_clk", "sclk_unipro_main"; + pinctrl-names = "default"; + pinctrl-0 = <&ufs_rst_n &ufs_refclk_out>; + phys = <&ufs_phy>; + phy-names = "ufs-phy"; + }; +... -- 2.17.1