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Fri, 17 Apr 2020 18:10:20 +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 v6 08/10] dt-bindings: ufs: Add DT binding documentation for ufs Date: Fri, 17 Apr 2020 23:29:42 +0530 Message-Id: <20200417175944.47189-9-alim.akhtar@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200417175944.47189-1-alim.akhtar@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprAKsWRmVeSWpSXmKPExsWy7bCmpi7/x5lxBh8mcVk8mLeNzeLlz6ts Fp/WL2O1mH/kHKvF+fMb2C1ubjnKYrHp8TVWi8u75rBZzDi/j8mi+/oONovlx/8xWfzfs4Pd YunWm4wOvB6X+3qZPDat6mTz2Lyk3qPl5H4Wj49Pb7F49G1ZxejxeZOcR/uBbqYAjigum5TU nMyy1CJ9uwSujJbPexgLzohXTLu2jrmB8bNgFyMnh4SAicTr3XNZuxi5OIQEdjNKrJk0lx3C +cQocev0XRYI5xujxP3LB4EyHGAtrZ8DIOJ7GSUmn5/FBOG0MElcPdjLCjKXTUBb4u70LUwg toiAsMSRb22MIDazwA0miQcrXUBsYYEgiQt777OD2CwCqhLPllxkA7F5BWwkWl7tZoS4T15i 9YYDzCA2p4CtRFvLUrBlEgL32SSOvl3MAlHkInGxfR0bhC0s8er4FnYIW0riZX8b1NXZEj27 jCHCNRJL5x2DarWXOHBlDgtICbOApsT6XfoQZ/JJ9P5+wgTRySvR0SYEUa0q0fzuKlSntMTE 7m5WCNtDYlvTAUZIMExglHh44x/jBEbZWQhTFzAyrmKUTC0ozk1PLTYtMMxLLdcrTswtLs1L 10vOz93ECE4nWp47GGed8znEKMDBqMTD29E3M06INbGsuDL3EKMEB7OSCO9BN6AQb0piZVVq UX58UWlOavEhRmkOFiVx3kmsV2OEBNITS1KzU1MLUotgskwcnFINjEda+bhOv7OPvJaSrv+4 7rCSztFANl6Whv+TN4u3WyZzaMledfhw2Sjo3cuvPLtSAlNWLvD/Eub6klteY96VVZ91os/r yAjoq8nw6m61M9ranZPqvTghQNfvPW+ngU/fbJ3NzX8mXSme+6h77vFi7z8RzxeqPpid5r/H aMGPY3s8uB7dkrdgVGIpzkg01GIuKk4EAMcrah0jAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrLLMWRmVeSWpSXmKPExsWy7bCSnC7fx5lxBqfuK1g8mLeNzeLlz6ts Fp/WL2O1mH/kHKvF+fMb2C1ubjnKYrHp8TVWi8u75rBZzDi/j8mi+/oONovlx/8xWfzfs4Pd YunWm4wOvB6X+3qZPDat6mTz2Lyk3qPl5H4Wj49Pb7F49G1ZxejxeZOcR/uBbqYAjigum5TU nMyy1CJ9uwSujJbPexgLzohXTLu2jrmB8bNgFyMHh4SAiUTr54AuRk4OIYHdjBLPm8VAbAkB aYnrGyewQ9jCEiv/PQeyuYBqmpgkHv98wwiSYBPQlrg7fQsTiC0CVHTkWxtYnFngGZPEqYel ILawQIDEufn/wWpYBFQlni25yAZi8wrYSLS82s0IsUBeYvWGA8wgNqeArURby1ImkNuEgGo2 PImZwMi3gJFhFaNkakFxbnpusWGBUV5quV5xYm5xaV66XnJ+7iZGcCBrae1gPHEi/hCjAAej Eg9vR9/MOCHWxLLiytxDjBIczEoivAfdgEK8KYmVValF+fFFpTmpxYcYpTlYlMR55fOPRQoJ pCeWpGanphakFsFkmTg4pRoYUx0DN83S93v72nTV8e1rTP8vvP73acCpOssT58yCbuWrNt01 3579PztLgLtnf3e5sEHgtiVy9ipGQaJx9RxGF3cFSHNOn770jJaVOcPxxBNZZqqNDvzrGGY6 nP3qJpEQtIepfdLKNfktERyijiLSrsrT0qacOmefsEK/o5ThTPOh67LftL4osRRnJBpqMRcV JwIAg/fxwmACAAA= X-CMS-MailID: 20200417181022epcas5p1f83138da6e76ff0917de88e913ef8e32 X-Msg-Generator: CA CMS-TYPE: 105P X-CMS-RootMailID: 20200417181022epcas5p1f83138da6e76ff0917de88e913ef8e32 References: <20200417175944.47189-1-alim.akhtar@samsung.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This patch adds DT binding for samsung ufs hci Signed-off-by: Alim Akhtar --- .../bindings/ufs/samsung,exynos-ufs.yaml | 93 +++++++++++++++++++ 1 file changed, 93 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..954338b7f37d --- /dev/null +++ b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml @@ -0,0 +1,93 @@ +# 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: + items: + - description: interrupt signal for various ufshc status + + phys: + maxItems: 1 + description: + phandle of the ufs phy node + + phy-names: + const: ufs-phy + +required: + - compatible + - reg + - interrupts + - phys + - phy-names + - clocks + - clock-names + +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>; + pclk-freq-avail-range = <70000000 133000000>; + phys = <&ufs_phy>; + phy-names = "ufs-phy"; + }; +...