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Message-ID: <1536131342-28041-3-git-send-email-nava.manne@xilinx.com>
Date: Wed, 5 Sep 2018 12:39:01 +0530
From: Nava kishore Manne <nava.manne@...inx.com>
To: <robh+dt@...nel.org>, <mark.rutland@....com>,
<michal.simek@...inx.com>, <p.zabel@...gutronix.de>,
<nava.manne@...inx.com>, <rajanv@...inx.com>, <jollys@...inx.com>,
<devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>
Subject: [RFC PATCH v3 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 v3:
-Corrected Commit Msg.
Changes for v2:
-Moved reset node as a child to firwmare
node.
.../firmware/xilinx/xlnx,zynqmp-firmware.txt | 142 +++++++++++++++++++++
1 file changed, 142 insertions(+)
diff --git a/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt
index 1b431d9..351b1bb 100644
--- a/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt
+++ b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt
@@ -17,6 +17,144 @@ Required properties:
- "smc" : SMC #0, following the SMCCC
- "hvc" : HVC #0, following the SMCCC
+--------------------------------------------------------------------------
+ = 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
-------
@@ -25,5 +163,9 @@ firmware {
zynqmp_firmware: zynqmp-firmware {
compatible = "xlnx,zynqmp-firmware";
method = "smc";
+ reset-controller:reset-controller@0 {
+ compatible = "xlnx,zynqmp-reset";
+ #reset-cells = <1>;
+ };
};
};
--
2.7.4
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