From: Alim Akhtar <alim.akhtar@samsung.com>
To: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, robh+dt@kernel.org
Cc: krzysztof.kozlowski@canonical.com,
linux-samsung-soc@vger.kernel.org,
Alim Akhtar <alim.akhtar@samsung.com>
Subject: [PATCH v11] dt-bindings: ufs: Add bindings for Samsung ufs host
Date: Tue, 3 Aug 2021 08:55:39 +0530 [thread overview]
Message-ID: <20210803032539.15676-1-alim.akhtar@samsung.com> (raw)
In-Reply-To: CGME20210803032734epcas5p2143008ddb212fe53fcd28b813c85c9d8@epcas5p2.samsung.com
This patch adds DT bindings for Samsung ufs hci
Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
---
Changes since v10
* Rebased on v5.14-rc2
* removed Rob Herring earlier Reviewed-by tag
This patch was part of exynos ufs driver series, somehow
this got missed to applied on the tree, sending again as a new
patch v11, removing Rob's earlier Reviewed-by tag.
.../bindings/ufs/samsung,exynos-ufs.yaml | 89 +++++++++++++++++++
1 file changed, 89 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..38193975c9f1
--- /dev/null
+++ b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
@@ -0,0 +1,89 @@
+# 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 <alim.akhtar@samsung.com>
+
+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:
+ items:
+ - description: ufs link core clock
+ - description: unipro main clock
+
+ clock-names:
+ items:
+ - const: core_clk
+ - const: sclk_unipro_main
+
+ interrupts:
+ maxItems: 1
+
+ phys:
+ maxItems: 1
+
+ phy-names:
+ const: ufs-phy
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - phys
+ - phy-names
+ - clocks
+ - clock-names
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/exynos7-clk.h>
+
+ ufs: ufs@15570000 {
+ compatible = "samsung,exynos7-ufs";
+ reg = <0x15570000 0x100>,
+ <0x15570100 0x100>,
+ <0x15571000 0x200>,
+ <0x15572000 0x300>;
+ reg-names = "hci", "vs_hci", "unipro", "ufsp";
+ interrupts = <GIC_SPI 200 IRQ_TYPE_LEVEL_HIGH>;
+ 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";
+ };
+...
base-commit: 2734d6c1b1a089fb593ef6a23d4b70903526fe0c
--
2.17.1
next parent reply other threads:[~2021-08-04 2:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20210803032734epcas5p2143008ddb212fe53fcd28b813c85c9d8@epcas5p2.samsung.com>
2021-08-03 3:25 ` Alim Akhtar [this message]
2021-08-14 16:55 ` [PATCH v11] dt-bindings: ufs: Add bindings for Samsung ufs host Alim Akhtar
2021-08-19 16:18 ` Alim Akhtar
2021-09-01 2:07 ` Chanho Park
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