From: Vignesh Raghavendra <vigneshr@ti.com>
To: "James E . J . Bottomley" <jejb@linux.ibm.com>,
"Martin K . Petersen" <martin.petersen@oracle.com>
Cc: Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Alim Akhtar <alim.akhtar@samsung.com>,
Avri Altman <avri.altman@wdc.com>,
Pedro Sousa <pedrom.sousa@synopsys.com>,
Vignesh Raghavendra <vigneshr@ti.com>,
Janek Kotas <jank@cadence.com>, <devicetree@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <linux-scsi@vger.kernel.org>
Subject: [PATCH v3 1/2] dt-bindings: ufs: ti,j721e-ufs.yaml: Add binding for TI UFS wrapper
Date: Fri, 8 Nov 2019 22:18:56 +0530 [thread overview]
Message-ID: <20191108164857.11466-2-vigneshr@ti.com> (raw)
In-Reply-To: <20191108164857.11466-1-vigneshr@ti.com>
Add binding documentation of TI wrapper for Cadence UFS Controller.
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
v3: No change
.../devicetree/bindings/ufs/ti,j721e-ufs.yaml | 68 +++++++++++++++++++
1 file changed, 68 insertions(+)
create mode 100644 Documentation/devicetree/bindings/ufs/ti,j721e-ufs.yaml
diff --git a/Documentation/devicetree/bindings/ufs/ti,j721e-ufs.yaml b/Documentation/devicetree/bindings/ufs/ti,j721e-ufs.yaml
new file mode 100644
index 000000000000..c8a2a92074df
--- /dev/null
+++ b/Documentation/devicetree/bindings/ufs/ti,j721e-ufs.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/ufs/ti,j721e-ufs.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TI J721e UFS Host Controller Glue Driver
+
+maintainers:
+ - Vignesh Raghavendra <vigneshr@ti.com>
+
+properties:
+ compatible:
+ items:
+ - const: ti,j721e-ufs
+
+ reg:
+ maxItems: 1
+ description: address of TI UFS glue registers
+
+ clocks:
+ maxItems: 1
+ description: phandle to the M-PHY clock
+
+ power-domains:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - power-domains
+
+patternProperties:
+ "^ufs@[0-9a-f]+$":
+ type: object
+ description: |
+ Cadence UFS controller node must be the child node. Refer
+ Documentation/devicetree/bindings/ufs/cdns,ufshc.txt for binding
+ documentation of child node
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ ufs_wrapper: ufs-wrapper@4e80000 {
+ compatible = "ti,j721e-ufs";
+ reg = <0x0 0x4e80000 0x0 0x100>;
+ power-domains = <&k3_pds 277>;
+ clocks = <&k3_clks 277 1>;
+ assigned-clocks = <&k3_clks 277 1>;
+ assigned-clock-parents = <&k3_clks 277 4>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ ufs@4e84000 {
+ compatible = "cdns,ufshc-m31-16nm", "jedec,ufs-2.0";
+ reg = <0x0 0x4e84000 0x0 0x10000>;
+ interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
+ freq-table-hz = <19200000 19200000>;
+ power-domains = <&k3_pds 277>;
+ clocks = <&k3_clks 277 1>;
+ assigned-clocks = <&k3_clks 277 1>;
+ assigned-clock-parents = <&k3_clks 277 4>;
+ clock-names = "core_clk";
+ };
+ };
--
2.24.0
next prev parent reply other threads:[~2019-11-08 16:50 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-08 16:48 [PATCH v3 0/2] scsi: ufs: Add driver for TI wrapper for Cadence UFS IP Vignesh Raghavendra
2019-11-08 16:48 ` Vignesh Raghavendra [this message]
2019-11-08 16:48 ` [PATCH v3 2/2] " Vignesh Raghavendra
2019-11-12 7:08 ` Avri Altman
2019-11-13 1:51 ` Alim Akhtar
2019-11-13 2:14 ` [PATCH v3 0/2] " Martin K. Petersen
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