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 v6 06/10] dt-bindings: phy: Document Samsung UFS PHY bindings
Date: Fri, 17 Apr 2020 23:29:40 +0530 [thread overview]
Message-ID: <20200417175944.47189-7-alim.akhtar@samsung.com> (raw)
In-Reply-To: <20200417175944.47189-1-alim.akhtar@samsung.com>
This patch documents Samsung UFS PHY device tree bindings
Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
Tested-by: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
---
.../bindings/phy/samsung,ufs-phy.yaml | 74 +++++++++++++++++++
1 file changed, 74 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..352d5dda320d
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/samsung,ufs-phy.yaml
@@ -0,0 +1,74 @@
+# 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
+ description: PHY base register address
+
+ 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
+
+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
next prev parent reply other threads:[~2020-04-17 18:10 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20200417181006epcas5p269f8c4b94e60962a0b0318ef64a65364@epcas5p2.samsung.com>
2020-04-17 17:59 ` [PATCH v6 0/10] exynos-ufs: Add support for UFS HCI Alim Akhtar
[not found] ` <CGME20200417181008epcas5p460840c01c2c09ce1a69e83005b4bddbe@epcas5p4.samsung.com>
2020-04-17 17:59 ` [PATCH v6 01/10] scsi: ufs: add quirk to fix mishandling utrlclr/utmrlclr Alim Akhtar
2020-04-20 6:55 ` Avri Altman
2020-04-21 5:52 ` Can Guo
[not found] ` <CGME20200417181010epcas5p23cb018eee5b7ae0eba87d81dbaaec3ce@epcas5p2.samsung.com>
2020-04-17 17:59 ` [PATCH v6 02/10] scsi: ufs: add quirk to disallow reset of interrupt aggregation Alim Akhtar
2020-04-20 7:05 ` Avri Altman
[not found] ` <CGME20200417181012epcas5p2004ac8f0d793abd4d58c096ff490da68@epcas5p2.samsung.com>
2020-04-17 17:59 ` [PATCH v6 03/10] scsi: ufs: add quirk to enable host controller without hce Alim Akhtar
2020-04-20 7:14 ` Avri Altman
2020-04-21 5:59 ` Can Guo
2020-04-21 6:00 ` Can Guo
[not found] ` <CGME20200417181014epcas5p1343bc81fb246133cc332d3fc7a394c15@epcas5p1.samsung.com>
2020-04-17 17:59 ` [PATCH v6 04/10] scsi: ufs: introduce UFSHCD_QUIRK_PRDT_BYTE_GRAN quirk Alim Akhtar
2020-04-20 8:13 ` Avri Altman
2020-04-22 6:54 ` Christoph Hellwig
2020-04-26 15:56 ` Alim Akhtar
[not found] ` <CGME20200417181016epcas5p2ee7ac86d743ceee9076690dc5b1e2f08@epcas5p2.samsung.com>
2020-04-17 17:59 ` [PATCH v6 05/10] scsi: ufs: add quirk to fix abnormal ocs fatal error Alim Akhtar
2020-04-20 8:55 ` Avri Altman
2020-04-21 7:46 ` Kiwoong Kim
2020-04-21 7:51 ` Kiwoong Kim
2020-04-21 12:07 ` Avri Altman
2020-04-26 15:54 ` Alim Akhtar
2020-04-22 6:55 ` Christoph Hellwig
2020-04-26 15:57 ` Alim Akhtar
[not found] ` <CGME20200417181018epcas5p1e51c7ca0fe81df16554548df5b82e3e4@epcas5p1.samsung.com>
2020-04-17 17:59 ` Alim Akhtar [this message]
2020-04-21 16:55 ` [PATCH v6 06/10] dt-bindings: phy: Document Samsung UFS PHY bindings Alim Akhtar
[not found] ` <CGME20200417181020epcas5p2121f17c89634d6ad8f30258339a6b249@epcas5p2.samsung.com>
2020-04-17 17:59 ` [PATCH v6 07/10] phy: samsung-ufs: add UFS PHY driver for samsung SoC Alim Akhtar
[not found] ` <CGME20200417181022epcas5p1f83138da6e76ff0917de88e913ef8e32@epcas5p1.samsung.com>
2020-04-17 17:59 ` [PATCH v6 08/10] dt-bindings: ufs: Add DT binding documentation for ufs Alim Akhtar
2020-04-21 16:56 ` Alim Akhtar
[not found] ` <CGME20200417181024epcas5p4231ae3dd2598155854e9b7ee52438bcb@epcas5p4.samsung.com>
2020-04-17 17:59 ` [PATCH v6 09/10] scsi: ufs-exynos: add UFS host support for Exynos SoCs Alim Akhtar
2020-04-17 18:20 ` Randy Dunlap
2020-04-20 10:26 ` Avri Altman
2020-04-21 0:59 ` Alim Akhtar
[not found] ` <CGME20200417181026epcas5p434bcc980e1fe334969ef6f1641525ee0@epcas5p4.samsung.com>
2020-04-17 17:59 ` [PATCH v6 10/10] arm64: dts: Add node for ufs exynos7 Alim Akhtar
2020-04-18 12:38 ` [PATCH v6 0/10] exynos-ufs: Add support for UFS HCI Avri Altman
2020-04-18 13:08 ` Alim Akhtar
2020-04-18 16:00 ` Avri Altman
2020-04-18 16:04 ` Avri Altman
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