linux-kernel - [PATCH 2/3] dt-bindings: reset: Add bindings for ZynqMP reset driver

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Message-ID: <20181020084107.28251-3-nava.manne@xilinx.com>
Date:   Sat, 20 Oct 2018 14:11:06 +0530
From:   Nava kishore Manne <nava.manne@...inx.com>
To:     <p.zabel@...gutronix.de>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <michal.simek@...inx.com>,
        <rajanv@...inx.com>, <jollys@...inx.com>, <nava.manne@...inx.com>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <chinnikishore369@...il.com>
Subject: [PATCH 2/3] dt-bindings: reset: Add bindings for ZynqMP reset driver

Add documentation to describe Xilinx ZynqMP reset driver
bindings.

Signed-off-by: Nava kishore Manne <nava.manne@...inx.com>
---
Changes for v1:
		-Created a Seperate(New) DT binding file as
		 suggested by Rob.

Changes for RFC-V3:
                -Corrected Commit Msg.

Changes for RFC-V2:
                -Moved reset node as a child to firwmare
                 node.

 .../bindings/reset/xlnx,zynqmp-reset.txt      | 146 ++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.txt

diff --git a/Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.txt b/Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.txt
new file mode 100644
index 000000000000..c42b6a274597
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.txt
@@ -0,0 +1,146 @@
+--------------------------------------------------------------------------
+ =  Zynq UltraScale+ MPSoC reset driver binding =
+--------------------------------------------------------------------------
+The Zynq UltraScale+ MPSoC has several different resets.
+
+See Chapter 36 of the Zynq UltraScale+ MPSoC TRM (UG) for more information
+about zynqmp resets.
+
+Please also refer to reset.txt in this directory for common reset
+controller binding usage.
+
+Required Properties:
+- compatible:	"xlnx,zynqmp-reset"
+- #reset-cells:	Specifies the number of cells needed to encode reset
+		line, should be 1
+
+Reset outputs:
+	0   :PCIE config reset.
+	1   :PCIE bridge block level reset (AXI interface).
+	2   :PCIE control block level,reset.
+	3   :Display Port block level reset (includes DPDMA).
+	4   :FPD WDT reset.
+	5   :AF_FM5 block level reset.
+	6   :AF_FM4 block level reset.
+	7   :AF_FM3 block level reset.
+	8   :AF_FM2 block level reset.
+	9   :AF_FM1 block level reset.
+	10  :AF_FM0 block level reset.
+	11  :GDMA block level reset.
+	12  :Pixel Processor (GPU_PP1) block level reset.
+	13  :Pixel Processor (GPU_PP0) block level reset.
+	14  :GPU block level reset.
+	15  :GT block level reset.
+	16  :Sata block level reset.
+	17  :ACPU3 power on reset.
+	18  :ACPU2 power on reset.
+	19  :ACPU1 power on reset.
+	20  :ACPU0 power on reset.
+	21  :APU L2 reset.
+	22  :ACPU3 reset.
+	23  :ACPU2 reset.
+	24  :ACPU1 reset.
+	25  :ACPU0 reset.
+	26  :DDR block level reset inside of the DDR Sub System.
+	27  :APM block level reset inside of the DDR Sub System.
+	28  :soft reset.
+	29  :GEM 0 reset.
+	30  :GEM 1 reset.
+	31  :GEM 2 reset.
+	32  :GEM 3 reset.
+	33  :qspi reset.
+	34  :uart0 reset.
+	35  :uart1 reset.
+	36  :spi0 reset.
+	37  :spi1 reset.
+	38  :sdio0 reset.
+	39  :sdio1 reset.
+	40  :can0 reset.
+	41  :can1 reset.
+	42  :i2c0 reset.
+	43  :i2c1 reset.
+	44  :ttc0 reset.
+	45  :ttc1 reset.
+	46  :ttc2 reset.
+	47  :ttc3 reset.
+	48  :swdt reset.
+	49  :nand reset.
+	50  :adma reset.
+	51  :gpio reset.
+	52  :iou_cc reset.
+	53  :timestamp reset.
+	54  :rpu_r50 reset.
+	55  :rpu r51 reset.
+	56  :rpu_amba reset.
+	57  :ocm reset.
+	58  :rpu_pge reset.
+	59  :usb0_core reset.
+	60  :usb1_core reset.
+	61  :usb0_hiber reset.
+	62  :usb1_hiber reset.
+	63  :usb0_apb reset.
+	64  :usb1_apb reset.
+	65  :ipi reset.
+	66  :apm reset.
+	67  :rtc reset.
+	68  :sysmon reset.
+	69  :afi_fm6 reset.
+	70  :lpd_swdt reset.
+	71  :fpd_reset.
+	72  :rpu_dbg1 reset.
+	73  :rpu_dbg0 reset.
+	74  :dbg_lpd reset.
+	75  :dbg_fpd reset.
+	76  :apll reset.
+	77  :dpll reset.
+	78  :vpll reset.
+	79  :iopll reset.
+	80  :rpll reset.
+	81  :gpio_pl_0 reset.
+	82  :gpio_pl_1 reset.
+	83  :gpio_pl_2 reset.
+	84  :gpio_pl_3 reset.
+	85  :gpio_pl_4 reset.
+	86  :gpio_pl_5 reset.
+	87  :gpio_pl_6 reset.
+	88  :gpio_pl_7 reset.
+	89  :gpio_pl_8 reset.
+	90  :gpio_pl_9 reset.
+	91  :gpio_pl_10 reset.
+	92  :gpio_pl_11 reset.
+	93  :gpio_pl_12 reset.
+	94  :gpio_pl_13 reset.
+	95  :gpio_pl_14 reset.
+	96  :gpio_pl_15 reset.
+	97  :gpio_pl_16 reset.
+	98  :gpio_pl_17 reset.
+	99  :gpio_pl_18 reset.
+	100 :gpio_pl_19 reset.
+	101 :gpio_pl_20 reset.
+	102 :gpio_pl_21 reset.
+	103 :gpio_pl_22 reset.
+	104 :gpio_pl_23 reset.
+	105 :gpio_pl_24 reset.
+	106 :gpio_pl_25 reset.
+	107 :gpio_pl_26 reset.
+	108 :gpio_pl_27 reset.
+	109 :gpio_pl_28 reset.
+	110 :gpio_pl_29 reset.
+	111 :gpio_pl_30 reset.
+	112 :gpio_pl_31 reset.
+	113 :rpu_ls reset.
+	114 :ps_only reset.
+	115 :pl reset.
+	116 :ps_pl0 reset
+	117 :ps_pl1 reset
+	118 :ps_pl2 reset
+	119 :ps_pl3 reset
+
+-------
+Example
+-------
+
+	reset-controller {
+		compatible = "xlnx,zynqmp-reset";
+		#reset-cells = <1>;
+	};
-- 
2.18.0