[PATCH 3/4] powerpc: dts: p2020: Define DMA nodes
Pali Rohár
pali at kernel.org
Wed Apr 27 16:05:00 CEST 2022
Copy definition of DMA nodes from upstream Linux kernel P2020 dts files.
Signed-off-by: Pali Rohár <pali at kernel.org>
---
arch/powerpc/dts/p2020-post.dtsi | 3 ++
arch/powerpc/dts/pq3-dma-0.dtsi | 66 ++++++++++++++++++++++++++++++++
arch/powerpc/dts/pq3-dma-1.dtsi | 66 ++++++++++++++++++++++++++++++++
3 files changed, 135 insertions(+)
create mode 100644 arch/powerpc/dts/pq3-dma-0.dtsi
create mode 100644 arch/powerpc/dts/pq3-dma-1.dtsi
diff --git a/arch/powerpc/dts/p2020-post.dtsi b/arch/powerpc/dts/p2020-post.dtsi
index e0f1f999ac63..d6bad4118c24 100644
--- a/arch/powerpc/dts/p2020-post.dtsi
+++ b/arch/powerpc/dts/p2020-post.dtsi
@@ -64,6 +64,9 @@
interrupts = <16 2 0 0>;
};
+/include/ "pq3-dma-0.dtsi"
+/include/ "pq3-dma-1.dtsi"
+
/include/ "pq3-etsec1-0.dtsi"
/include/ "pq3-etsec1-timer-0.dtsi"
diff --git a/arch/powerpc/dts/pq3-dma-0.dtsi b/arch/powerpc/dts/pq3-dma-0.dtsi
new file mode 100644
index 000000000000..b5b37ad30e75
--- /dev/null
+++ b/arch/powerpc/dts/pq3-dma-0.dtsi
@@ -0,0 +1,66 @@
+/*
+ * PQ3 DMA device tree stub [ controller @ offset 0x21000 ]
+ *
+ * Copyright 2011 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+dma at 21300 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "fsl,eloplus-dma";
+ reg = <0x21300 0x4>;
+ ranges = <0x0 0x21100 0x200>;
+ cell-index = <0>;
+ dma-channel at 0 {
+ compatible = "fsl,eloplus-dma-channel";
+ reg = <0x0 0x80>;
+ cell-index = <0>;
+ interrupts = <20 2 0 0>;
+ };
+ dma-channel at 80 {
+ compatible = "fsl,eloplus-dma-channel";
+ reg = <0x80 0x80>;
+ cell-index = <1>;
+ interrupts = <21 2 0 0>;
+ };
+ dma-channel at 100 {
+ compatible = "fsl,eloplus-dma-channel";
+ reg = <0x100 0x80>;
+ cell-index = <2>;
+ interrupts = <22 2 0 0>;
+ };
+ dma-channel at 180 {
+ compatible = "fsl,eloplus-dma-channel";
+ reg = <0x180 0x80>;
+ cell-index = <3>;
+ interrupts = <23 2 0 0>;
+ };
+};
diff --git a/arch/powerpc/dts/pq3-dma-1.dtsi b/arch/powerpc/dts/pq3-dma-1.dtsi
new file mode 100644
index 000000000000..28cb8a55d807
--- /dev/null
+++ b/arch/powerpc/dts/pq3-dma-1.dtsi
@@ -0,0 +1,66 @@
+/*
+ * PQ3 DMA device tree stub [ controller @ offset 0xc300 ]
+ *
+ * Copyright 2011 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+dma at c300 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "fsl,eloplus-dma";
+ reg = <0xc300 0x4>;
+ ranges = <0x0 0xc100 0x200>;
+ cell-index = <1>;
+ dma-channel at 0 {
+ compatible = "fsl,eloplus-dma-channel";
+ reg = <0x0 0x80>;
+ cell-index = <0>;
+ interrupts = <76 2 0 0>;
+ };
+ dma-channel at 80 {
+ compatible = "fsl,eloplus-dma-channel";
+ reg = <0x80 0x80>;
+ cell-index = <1>;
+ interrupts = <77 2 0 0>;
+ };
+ dma-channel at 100 {
+ compatible = "fsl,eloplus-dma-channel";
+ reg = <0x100 0x80>;
+ cell-index = <2>;
+ interrupts = <78 2 0 0>;
+ };
+ dma-channel at 180 {
+ compatible = "fsl,eloplus-dma-channel";
+ reg = <0x180 0x80>;
+ cell-index = <3>;
+ interrupts = <79 2 0 0>;
+ };
+};
--
2.20.1
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