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Date:   Tue, 26 Mar 2019 20:01:24 +0530
From:   Nava kishore Manne <nava.manne@...inx.com>
To:     <atull@...nel.org>, <mdf@...nel.org>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <michal.simek@...inx.com>,
        <rajanv@...inx.com>, <jollys@...inx.com>, <nava.manne@...inx.com>,
        <linux-fpga@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <chinnikishore369@...il.com>
CC:     Rajan Vaja <rajan.vaja@...inx.com>
Subject: [PATCH v5 1/6] dt-bindings: power: Add ZynqMP power domain bindings

From: Rajan Vaja <rajan.vaja@...inx.com>

Add documentation to describe ZynqMP power domain bindings.

Signed-off-by: Rajan Vaja <rajan.vaja@...inx.com>
Signed-off-by: Jolly Shah <jollys@...inx.com>
Reviewed-by: Rob Herring <robh@...nel.org>
---
 .../bindings/power/xlnx,zynqmp-genpd.txt      | 34 ++++++++++++++++
 include/dt-bindings/power/xlnx-zynqmp-power.h | 39 +++++++++++++++++++
 2 files changed, 73 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/power/xlnx,zynqmp-genpd.txt
 create mode 100644 include/dt-bindings/power/xlnx-zynqmp-power.h

diff --git a/Documentation/devicetree/bindings/power/xlnx,zynqmp-genpd.txt b/Documentation/devicetree/bindings/power/xlnx,zynqmp-genpd.txt
new file mode 100644
index 000000000000..3c7f2378e146
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/xlnx,zynqmp-genpd.txt
@@ -0,0 +1,34 @@
+-----------------------------------------------------------
+Device Tree Bindings for the Xilinx Zynq MPSoC PM domains
+-----------------------------------------------------------
+The binding for zynqmp-power-controller follow the common
+generic PM domain binding[1].
+
+[1] Documentation/devicetree/bindings/power/power_domain.txt
+
+== Zynq MPSoC Generic PM Domain Node ==
+
+Required property:
+ - Below property should be in zynqmp-firmware node.
+ - #power-domain-cells:	Number of cells in a PM domain specifier. Must be 1.
+
+Power domain ID indexes are mentioned in
+include/dt-bindings/power/xlnx-zynqmp-power.h.
+
+-------
+Example
+-------
+
+firmware {
+	zynqmp_firmware: zynqmp-firmware {
+		...
+		#power-domain-cells = <1>;
+		...
+	};
+};
+
+sata {
+	...
+	power-domains = <&zynqmp_firmware 2>;
+	...
+};
diff --git a/include/dt-bindings/power/xlnx-zynqmp-power.h b/include/dt-bindings/power/xlnx-zynqmp-power.h
new file mode 100644
index 000000000000..1bc9636098ca
--- /dev/null
+++ b/include/dt-bindings/power/xlnx-zynqmp-power.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ *  Copyright (C) 2018 Xilinx, Inc.
+ */
+
+#ifndef _DT_BINDINGS_ZYNQMP_POWER_H
+#define _DT_BINDINGS_ZYNQMP_POWER_H
+
+#define		PD_USB_0	0
+#define		PD_USB_1	1
+#define		PD_SATA		2
+#define		PD_SPI_0	3
+#define		PD_SPI_1	4
+#define		PD_UART_0	5
+#define		PD_UART_1	6
+#define		PD_ETH_0	7
+#define		PD_ETH_1	8
+#define		PD_ETH_2	9
+#define		PD_ETH_3	10
+#define		PD_I2C_0	11
+#define		PD_I2C_1	12
+#define		PD_DP		13
+#define		PD_GDMA		14
+#define		PD_ADMA		15
+#define		PD_TTC_0	16
+#define		PD_TTC_1	17
+#define		PD_TTC_2	18
+#define		PD_TTC_3	19
+#define		PD_SD_0		20
+#define		PD_SD_1		21
+#define		PD_NAND		22
+#define		PD_QSPI		23
+#define		PD_GPIO		24
+#define		PD_CAN_0	25
+#define		PD_CAN_1	26
+#define		PD_PCIE		27
+#define		PD_GPU		28
+
+#endif
-- 
2.18.0

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