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From: Alim Akhtar <alim.akhtar@samsung.com>
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 <alim.akhtar@samsung.com>
Subject: [PATCH v9 06/10] dt-bindings: phy: Document Samsung UFS PHY bindings
Date: Thu, 14 May 2020 06:09:10 +0530	[thread overview]
Message-ID: <20200514003914.26052-7-alim.akhtar@samsung.com> (raw)
In-Reply-To: <20200514003914.26052-1-alim.akhtar@samsung.com>

This patch documents Samsung UFS PHY device tree bindings

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
Tested-by: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
---
 .../bindings/phy/samsung,ufs-phy.yaml         | 75 +++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/samsung,ufs-phy.yaml

diff --git a/Documentation/devicetree/bindings/phy/samsung,ufs-phy.yaml b/Documentation/devicetree/bindings/phy/samsung,ufs-phy.yaml
new file mode 100644
index 000000000000..636cc501b54f
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/samsung,ufs-phy.yaml
@@ -0,0 +1,75 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/samsung,ufs-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung SoC series UFS PHY Device Tree Bindings
+
+maintainers:
+  - Alim Akhtar <alim.akhtar@samsung.com>
+
+properties:
+  "#phy-cells":
+    const: 0
+
+  compatible:
+    enum:
+      - samsung,exynos7-ufs-phy
+
+  reg:
+    maxItems: 1
+
+  reg-names:
+    items:
+      - const: phy-pma
+
+  clocks:
+    items:
+      - description: PLL reference clock
+      - description: symbol clock for input symbol ( rx0-ch0 symbol clock)
+      - description: symbol clock for input symbol ( rx1-ch1 symbol clock)
+      - description: symbol clock for output symbol ( tx0 symbol clock)
+
+  clock-names:
+    items:
+      - const: ref_clk
+      - const: rx1_symbol_clk
+      - const: rx0_symbol_clk
+      - const: tx0_symbol_clk
+
+  samsung,pmu-syscon:
+    $ref: '/schemas/types.yaml#/definitions/phandle'
+    description: phandle for PMU system controller interface, used to
+                 control pmu registers bits for ufs m-phy
+
+required:
+  - "#phy-cells"
+  - compatible
+  - reg
+  - reg-names
+  - clocks
+  - clock-names
+  - samsung,pmu-syscon
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/exynos7-clk.h>
+
+    ufs_phy: ufs-phy@15571800 {
+        compatible = "samsung,exynos7-ufs-phy";
+        reg = <0x15571800 0x240>;
+        reg-names = "phy-pma";
+        samsung,pmu-syscon = <&pmu_system_controller>;
+        #phy-cells = <0>;
+        clocks = <&clock_fsys1 SCLK_COMBO_PHY_EMBEDDED_26M>,
+                 <&clock_fsys1 PHYCLK_UFS20_RX1_SYMBOL_USER>,
+                 <&clock_fsys1 PHYCLK_UFS20_RX0_SYMBOL_USER>,
+                 <&clock_fsys1 PHYCLK_UFS20_TX0_SYMBOL_USER>;
+        clock-names = "ref_clk", "rx1_symbol_clk",
+                      "rx0_symbol_clk", "tx0_symbol_clk";
+
+    };
+...
-- 
2.17.1


  parent reply	other threads:[~2020-05-14  0:53 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20200514005251epcas5p39ff05e1b6f4f8735f1516fbb670d6810@epcas5p3.samsung.com>
2020-05-14  0:39 ` [PATCH v9 00/10] exynos-ufs: Add support for UFS HCI Alim Akhtar
     [not found]   ` <CGME20200514005254epcas5p27e2ef61a6d7f595ff2eaf4ec65940cf6@epcas5p2.samsung.com>
2020-05-14  0:39     ` [PATCH v9 01/10] scsi: ufs: add quirk to fix mishandling utrlclr/utmrlclr Alim Akhtar
     [not found]   ` <CGME20200514005256epcas5p3ccb5dcc7c96a5cdb9ee78baa8ec1e0d3@epcas5p3.samsung.com>
2020-05-14  0:39     ` [PATCH v9 02/10] scsi: ufs: add quirk to disallow reset of interrupt aggregation Alim Akhtar
     [not found]   ` <CGME20200514005258epcas5p14733cec8b9ca92e518a8d5a0c27f3f0b@epcas5p1.samsung.com>
2020-05-14  0:39     ` [PATCH v9 03/10] scsi: ufs: add quirk to enable host controller without hce Alim Akhtar
     [not found]   ` <CGME20200514005300epcas5p4ce7ba7fe62567e7ba0066c96473853b2@epcas5p4.samsung.com>
2020-05-14  0:39     ` [PATCH v9 04/10] scsi: ufs: introduce UFSHCD_QUIRK_PRDT_BYTE_GRAN quirk Alim Akhtar
     [not found]   ` <CGME20200514005302epcas5p1d2e99ba001cacc4d9e0d8dcf7de3155b@epcas5p1.samsung.com>
2020-05-14  0:39     ` [PATCH v9 05/10] scsi: ufs: add quirk to fix abnormal ocs fatal error Alim Akhtar
     [not found]   ` <CGME20200514005304epcas5p37a311f813416383b6de8af6e809b350d@epcas5p3.samsung.com>
2020-05-14  0:39     ` Alim Akhtar [this message]
     [not found]   ` <CGME20200514005307epcas5p28b00e2fb5e9526c447927b52127480f4@epcas5p2.samsung.com>
2020-05-14  0:39     ` [PATCH v9 07/10] phy: samsung-ufs: add UFS PHY driver for samsung SoC Alim Akhtar
     [not found]   ` <CGME20200514005309epcas5p3ccd2b44c1bf20634eea3e232d1c2b62e@epcas5p3.samsung.com>
2020-05-14  0:39     ` [PATCH v9 08/10] dt-bindings: ufs: Add DT binding documentation for ufs Alim Akhtar
2020-05-26 18:08       ` Rob Herring
2020-05-27 16:23         ` Alim Akhtar
     [not found]   ` <CGME20200514005311epcas5p21eb58ec4a937e9c13589f81c33d77fe3@epcas5p2.samsung.com>
2020-05-14  0:39     ` [PATCH v9 09/10] scsi: ufs-exynos: add UFS host support for Exynos SoCs Alim Akhtar
     [not found]   ` <CGME20200514005313epcas5p3eac58d00d9f617b860a3ac607c8413ec@epcas5p3.samsung.com>
2020-05-14  0:39     ` [PATCH v9 10/10] arm64: dts: Add node for ufs exynos7 Alim Akhtar
2020-05-19  7:16       ` Krzysztof Kozlowski
2020-05-21 16:49         ` Alim Akhtar

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