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Message-Id: <20220306111125.116455-7-krzysztof.kozlowski@canonical.com>
Date: Sun, 6 Mar 2022 12:11:19 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To: Alim Akhtar <alim.akhtar@...sung.com>,
Avri Altman <avri.altman@....com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Wei Xu <xuwei5@...ilicon.com>,
Matthias Brugger <matthias.bgg@...il.com>,
Jan Kotas <jank@...ence.com>, Li Wei <liwei213@...wei.com>,
Stanley Chu <stanley.chu@...iatek.com>,
Vignesh Raghavendra <vigneshr@...com>,
linux-scsi@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-samsung-soc@...r.kernel.org,
linux-mediatek@...ts.infradead.org
Cc: Rob Herring <robh@...nel.org>
Subject: [PATCH v3 06/12] dt-bindings: ufs: hisilicon,ufs: convert to dtschema
Convert the HiSilicon Universal Flash Storage (UFS) Controller to DT
schema format.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Reviewed-by: Rob Herring <robh@...nel.org>
---
.../bindings/ufs/hisilicon,ufs.yaml | 90 +++++++++++++++++++
.../devicetree/bindings/ufs/ufs-hisi.txt | 42 ---------
2 files changed, 90 insertions(+), 42 deletions(-)
create mode 100644 Documentation/devicetree/bindings/ufs/hisilicon,ufs.yaml
delete mode 100644 Documentation/devicetree/bindings/ufs/ufs-hisi.txt
diff --git a/Documentation/devicetree/bindings/ufs/hisilicon,ufs.yaml b/Documentation/devicetree/bindings/ufs/hisilicon,ufs.yaml
new file mode 100644
index 000000000000..4432bfa0cbc7
--- /dev/null
+++ b/Documentation/devicetree/bindings/ufs/hisilicon,ufs.yaml
@@ -0,0 +1,90 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/ufs/hisilicon,ufs.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: HiSilicon Universal Flash Storage (UFS) Controller
+
+maintainers:
+ - Li Wei <liwei213@...wei.com>
+
+# Select only our matches, not all jedec,ufs
+select:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - hisilicon,hi3660-ufs
+ - hisilicon,hi3670-ufs
+ required:
+ - compatible
+
+allOf:
+ - $ref: ufs-common.yaml
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - const: hisilicon,hi3660-ufs
+ - const: jedec,ufs-1.1
+ - items:
+ - enum:
+ - hisilicon,hi3670-ufs
+ - const: jedec,ufs-2.1
+
+ clocks:
+ minItems: 2
+ maxItems: 2
+
+ clock-names:
+ items:
+ - const: ref_clk
+ - const: phy_clk
+
+ reg:
+ items:
+ - description: UFS register address space
+ - description: UFS SYS CTRL register address space
+
+ resets:
+ maxItems: 1
+
+ reset-names:
+ items:
+ - const: rst
+
+required:
+ - compatible
+ - reg
+ - resets
+ - reset-names
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/hi3670-clock.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ ufs@...c0000 {
+ compatible = "hisilicon,hi3670-ufs", "jedec,ufs-2.1";
+ reg = <0x0 0xff3c0000 0x0 0x1000>,
+ <0x0 0xff3e0000 0x0 0x1000>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SPI 278 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&crg_ctrl HI3670_CLK_GATE_UFSIO_REF>,
+ <&crg_ctrl HI3670_CLK_GATE_UFS_SUBSYS>;
+ clock-names = "ref_clk", "phy_clk";
+ freq-table-hz = <0 0>,
+ <0 0>;
+
+ resets = <&crg_rst 0x84 12>;
+ reset-names = "rst";
+ };
+ };
diff --git a/Documentation/devicetree/bindings/ufs/ufs-hisi.txt b/Documentation/devicetree/bindings/ufs/ufs-hisi.txt
deleted file mode 100644
index 0b83df1a5418..000000000000
--- a/Documentation/devicetree/bindings/ufs/ufs-hisi.txt
+++ /dev/null
@@ -1,42 +0,0 @@
-* Hisilicon Universal Flash Storage (UFS) Host Controller
-
-UFS nodes are defined to describe on-chip UFS hardware macro.
-Each UFS Host Controller should have its own node.
-
-Required properties:
-- compatible : compatible list, contains one of the following -
- "hisilicon,hi3660-ufs", "jedec,ufs-1.1" for hisi ufs
- host controller present on Hi3660 chipset.
- "hisilicon,hi3670-ufs", "jedec,ufs-2.1" for hisi ufs
- host controller present on Hi3670 chipset.
-- reg : should contain UFS register address space & UFS SYS CTRL register address,
-- interrupts : interrupt number
-- clocks : List of phandle and clock specifier pairs
-- clock-names : List of clock input name strings sorted in the same
- order as the clocks property. "ref_clk", "phy_clk" is optional
-- freq-table-hz : Array of <min max> operating frequencies stored in the same
- order as the clocks property. If this property is not
- defined or a value in the array is "0" then it is assumed
- that the frequency is set by the parent clock or a
- fixed rate clock source.
-- resets : describe reset node register
-- reset-names : reset node register, the "rst" corresponds to reset the whole UFS IP.
-
-Example:
-
- ufs: ufs@...b0000 {
- compatible = "hisilicon,hi3660-ufs", "jedec,ufs-1.1";
- /* 0: HCI standard */
- /* 1: UFS SYS CTRL */
- reg = <0x0 0xff3b0000 0x0 0x1000>,
- <0x0 0xff3b1000 0x0 0x1000>;
- interrupt-parent = <&gic>;
- interrupts = <GIC_SPI 278 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&crg_ctrl HI3660_CLK_GATE_UFSIO_REF>,
- <&crg_ctrl HI3660_CLK_GATE_UFSPHY_CFG>;
- clock-names = "ref_clk", "phy_clk";
- freq-table-hz = <0 0>, <0 0>;
- /* offset: 0x84; bit: 12 */
- resets = <&crg_rst 0x84 12>;
- reset-names = "rst";
- };
--
2.32.0
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