* [PATCH 2/2] powerpc: dts: p2020: Add serial0 and serial1 via pq3-duart-0.dtsi
2022-04-02 22:42 [PATCH 0/2] powerpc: dts: p2020: Allow to use P2020 DTS files from Linux Pali Rohár
2022-04-02 22:42 ` [PATCH 1/2] powerpc: dts: p2020: Add fsl/p2020si-pre.dtsi and fsl/p2020si-post.dtsi symlinks Pali Rohár
@ 2022-04-02 22:42 ` Pali Rohár
1 sibling, 0 replies; 3+ messages in thread
From: Pali Rohár @ 2022-04-02 22:42 UTC (permalink / raw)
To: Priyanka Jain, Wolfgang Denk; +Cc: Camelia Groza, Simon Glass, u-boot
Import pq3-duart-0.dtsi device tree include file from upstream Linux kernel
for P2020. This allows U-Boot to use P2020 device tree files from upstream
Linux kernel which reference serial0 or serial1 devices.
Signed-off-by: Pali Rohár <pali@kernel.org>
---
arch/powerpc/dts/p2020-post.dtsi | 1 +
arch/powerpc/dts/pq3-duart-0.dtsi | 51 +++++++++++++++++++++++++++++++
2 files changed, 52 insertions(+)
create mode 100644 arch/powerpc/dts/pq3-duart-0.dtsi
diff --git a/arch/powerpc/dts/p2020-post.dtsi b/arch/powerpc/dts/p2020-post.dtsi
index 6d46f7d8dd72..8d30fa212c43 100644
--- a/arch/powerpc/dts/p2020-post.dtsi
+++ b/arch/powerpc/dts/p2020-post.dtsi
@@ -49,6 +49,7 @@
/include/ "pq3-i2c-0.dtsi"
/include/ "pq3-i2c-1.dtsi"
+/include/ "pq3-duart-0.dtsi"
/include/ "pq3-etsec1-0.dtsi"
/include/ "pq3-etsec1-1.dtsi"
diff --git a/arch/powerpc/dts/pq3-duart-0.dtsi b/arch/powerpc/dts/pq3-duart-0.dtsi
new file mode 100644
index 000000000000..5e268fdb9d1f
--- /dev/null
+++ b/arch/powerpc/dts/pq3-duart-0.dtsi
@@ -0,0 +1,51 @@
+/*
+ * PQ3 DUART device tree stub [ controller @ offset 0x4000 ]
+ *
+ * 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.
+ */
+
+serial0: serial@4500 {
+ cell-index = <0>;
+ device_type = "serial";
+ compatible = "fsl,ns16550", "ns16550";
+ reg = <0x4500 0x100>;
+ clock-frequency = <0>;
+ interrupts = <42 2 0 0>;
+};
+
+serial1: serial@4600 {
+ cell-index = <1>;
+ device_type = "serial";
+ compatible = "fsl,ns16550", "ns16550";
+ reg = <0x4600 0x100>;
+ clock-frequency = <0>;
+ interrupts = <42 2 0 0>;
+};
--
2.20.1
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