[U-Boot] [PATCH 1/7] m68k: add basic set of devicetrees

Angelo Dureghello
2018-09-20T21:07:49Z

This patch adds a basic group of devicetrees, one for each
cpu, including actually just uart and dspi devices, since
these are the drivers supporting devicetree (support added
in this patch).

Signed-off-by: Angelo Dureghello <angelo@sysam.it>
---
arch/m68k/dts/mcf5208.dtsi | 36 ++++++++
arch/m68k/dts/mcf5227x.dtsi | 48 ++++++++++
arch/m68k/dts/mcf523x.dtsi | 44 ++++++++++
arch/m68k/dts/mcf5249.dtsi | 38 ++++++++
arch/m68k/dts/mcf5253.dtsi | 44 ++++++++++
arch/m68k/dts/mcf5271.dtsi | 44 ++++++++++
arch/m68k/dts/mcf5272.dtsi | 38 ++++++++
arch/m68k/dts/mcf5275.dtsi | 44 ++++++++++
arch/m68k/dts/mcf5282.dtsi | 44 ++++++++++
arch/m68k/dts/mcf5301x.dtsi | 48 ++++++++++
arch/m68k/dts/mcf5307.dtsi | 39 +++++++++
arch/m68k/dts/mcf5329.dtsi | 36 ++++++++
arch/m68k/dts/mcf5441x.dtsi | 87 +++++++++++++++++++
arch/m68k/dts/mcf5445x.dtsi | 48 ++++++++++
doc/device-tree-bindings/serial/mcf-uart.txt | 19 ++++
doc/device-tree-bindings/spi/spi-mcf-dspi.txt | 22 +++++
16 files changed, 679 insertions(+)
create mode 100644 arch/m68k/dts/mcf5208.dtsi
create mode 100644 arch/m68k/dts/mcf5227x.dtsi
create mode 100644 arch/m68k/dts/mcf523x.dtsi
create mode 100644 arch/m68k/dts/mcf5249.dtsi
create mode 100644 arch/m68k/dts/mcf5253.dtsi
create mode 100644 arch/m68k/dts/mcf5271.dtsi
create mode 100644 arch/m68k/dts/mcf5272.dtsi
create mode 100644 arch/m68k/dts/mcf5275.dtsi
create mode 100644 arch/m68k/dts/mcf5282.dtsi
create mode 100644 arch/m68k/dts/mcf5301x.dtsi
create mode 100644 arch/m68k/dts/mcf5307.dtsi
create mode 100644 arch/m68k/dts/mcf5329.dtsi
create mode 100644 arch/m68k/dts/mcf5441x.dtsi
create mode 100644 arch/m68k/dts/mcf5445x.dtsi
create mode 100644 doc/device-tree-bindings/serial/mcf-uart.txt
create mode 100644 doc/device-tree-bindings/spi/spi-mcf-dspi.txt

diff --git a/arch/m68k/dts/mcf5208.dtsi b/arch/m68k/dts/mcf5208.dtsi
new file mode 100644
index 0000000000..558d8bf41a
--- /dev/null
+++ b/arch/m68k/dts/mcf5208.dtsi
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Angelo Dureghello <angelo@sysam.it>
+ */
+
+/ {
+ compatible = "fsl,mcf5208";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ uart0: uart at fc060000 {
+ compatible = "fsl,mcf-uart";
+ reg = <0xfc060000 0x40>;
+ status = "disabled";
+ };
+
+ uart1: uart at fc064000 {
+ compatible = "fsl,mcf-uart";
+ reg = <0xfc064000 0x40>;
+ status = "disabled";
+ };
+
+ uart2: uart at fc068000 {
+ compatible = "fsl,mcf-uart";
+ reg = <0xfc068000 0x40>;
+ status = "disabled";
+ };
+ };
+};
diff --git a/arch/m68k/dts/mcf5227x.dtsi b/arch/m68k/dts/mcf5227x.dtsi
new file mode 100644
index 0000000000..8c95edddb6
--- /dev/null
+++ b/arch/m68k/dts/mcf5227x.dtsi
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Angelo Dureghello <angelo@sysam.it>
+ */
+
+/ {
+ compatible = "fsl,mcf5227x";
+
+ aliases {
+ serial0 = &uart0;
+ spi0 = &dspi0;
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ uart0: uart at fc060000 {
+ compatible = "fsl,mcf-uart";
+ reg = <0xfc060000 0x40>;
+ status = "disabled";
+ };
+
+ uart1: uart at fc064000 {
+ compatible = "fsl,mcf-uart";
+ reg = <0xfc064000 0x40>;
+ status = "disabled";
+ };
+
+ uart2: uart at fc068000 {
+ compatible = "fsl,mcf-uart";
+ reg = <0xfc068000 0x40>;
+ status = "disabled";
+ };
+
+ dspi0: dspi at fc05c000 {
+ compatible = "fsl,mcf-dspi";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0xfc05c000 0x100>;
+ spi-max-frequency = <50000000>;
+ num-cs = <4>;
+ spi-mode = <0>;
+ status = "disabled";
+ };
+ };
+};
diff --git a/arch/m68k/dts/mcf523x.dtsi b/arch/m68k/dts/mcf523x.dtsi
new file mode 100644
index 0000000000..9e79d472ec
--- /dev/null
+++ b/arch/m68k/dts/mcf523x.dtsi
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Angelo Dureghello <angelo@sysam.it>
+ */
+
+/ {
+ compatible = "fsl,mcf523x";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ ipsbar: ipsbar at 4000000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x00000000 0x40000000 0x40000000>;
+ reg = <0x40000000 0x40000000>;
+
+ uart0: uart at 200 {
+ compatible = "fsl,mcf-uart";
+ reg = <0x200 0x40>;
+ status = "disabled";
+ };
+
+ uart1: uart at 240 {
+ compatible = "fsl,mcf-uart";
+ reg = <0x240 0x40>;
+ status = "disabled";
+ };
+
+ uart2: uart at 280 {
+ compatible = "fsl,mcf-uart";
+ reg = <0x280 0x40>;
+ status = "disabled";
+ };
+ };
+ };
+};
diff --git a/arch/m68k/dts/mcf5249.dtsi b/arch/m68k/dts/mcf5249.dtsi
new file mode 100644
index 0000000000..248b3dc68b
--- /dev/null
+++ b/arch/m68k/dts/mcf5249.dtsi
@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Angelo Dureghello <angelo@sysam.it>
+ */
+
+/ {
+ compatible = "fsl,mcf5249";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ mbar: mbar at 10000000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x00000000 0x10000000 0x10000>;
+ reg = <0x10000000 0x10000>;
+
+ uart0: uart at 1c0 {
+ compatible = "fsl,mcf-uart";
+ reg = <0x1c0 0x40>;
+ status = "disabled";
+ };
+
+ uart1: uart at 200 {
+ compatible = "fsl,mcf-uart";
+ reg = <0x200 0x40>;
+ status = "disabled";
+ };
+ };
+ };
+};
diff --git a/arch/m68k/dts/mcf5253.dtsi b/arch/m68k/dts/mcf5253.dtsi
new file mode 100644
index 0000000000..3bde2d6202
--- /dev/null
+++ b/arch/m68k/dts/mcf5253.dtsi
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Angelo Dureghello <angelo@sysam.it>
+ */
+
+/ {
+ compatible = "fsl,mcf5253";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ mbar: mbar at 10000000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x00000000 0x10000000 0x10000>;
+ reg = <0x10000000 0x10000>;
+
+ uart0: uart at 1c0 {
+ compatible = "fsl,mcf-uart";
+ reg = <0x1c0 0x40>;
+ status = "disabled";
+ };
+
+ uart1: uart at 200 {
+ compatible = "fsl,mcf-uart";
+ reg = <0x200 0x40>;
+ status = "disabled";
+ };
+
+ uart3: uart at c00 {
+ compatible = "fsl,mcf-uart";
+ reg = <0xc00 0x40>;
+ status = "disabled";
+ };
+ };
+ };
+};
diff --git a/arch/m68k/dts/mcf5271.dtsi b/arch/m68k/dts/mcf5271.dtsi
new file mode 100644
index 0000000000..29355528d0
--- /dev/null
+++ b/arch/m68k/dts/mcf5271.dtsi
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Angelo Dureghello <angelo@sysam.it>
+ */
+
+/ {
+ compatible = "fsl,mcf5271";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ ipsbar: ipsbar at 4000000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x00000000 0x40000000 0x40000000>;
+ reg = <0x40000000 0x40000000>;
+
+ uart0: uart at 200 {
+ compatible = "fsl,mcf-uart";
+ reg = <0x200 0x40>;
+ status = "disabled";
+ };
+
+ uart1: uart at 240 {
+ compatible = "fsl,mcf-uart";
+ reg = <0x240 0x40>;
+ status = "disabled";
+ };
+
+ uart2: uart at 280 {
+ compatible = "fsl,mcf-uart";
+ reg = <0x280 0x40>;
+ status = "disabled";
+ };
+ };
+ };
+};
diff --git a/arch/m68k/dts/mcf5272.dtsi b/arch/m68k/dts/mcf5272.dtsi
new file mode 100644
index 0000000000..a56117728b
--- /dev/null
+++ b/arch/m68k/dts/mcf5272.dtsi
@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Angelo Dureghello <angelo@sysam.it>
+ */
+
+/ {
+ compatible = "fsl,mcf5272";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ mbar: mbar at 10000000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x00000000 0x10000000 0x10000>;
+ reg = <0x10000000 0x10000>;
+
+ uart0: uart at 100 {
+ compatible = "fsl,mcf-uart";
+ reg = <0x100 0x40>;
+ status = "disabled";
+ };
+
+ uart1: uart at 140 {
+ compatible = "fsl,mcf-uart";
+ reg = <0x140 0x40>;
+ status = "disabled";
+ };
+ };
+ };
+};
diff --git a/arch/m68k/dts/mcf5275.dtsi b/arch/m68k/dts/mcf5275.dtsi
new file mode 100644
index 0000000000..b375609d4a
--- /dev/null
+++ b/arch/m68k/dts/mcf5275.dtsi
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Angelo Dureghello <angelo@sysam.it>
+ */
+
+/ {
+ compatible = "fsl,mcf5275";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ ipsbar: ipsbar at 4000000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x00000000 0x40000000 0x40000000>;
+ reg = <0x40000000 0x40000000>;
+
+ uart0: uart at 200 {
+ compatible = "fsl,mcf-uart";
+ reg = <0x200 0x40>;
+ status = "disabled";
+ };
+
+ uart1: uart at 240 {
+ compatible = "fsl,mcf-uart";
+ reg = <0x240 0x40>;
+ status = "disabled";
+ };
+
+ uart2: uart at 280 {
+ compatible = "fsl,mcf-uart";
+ reg = <0x280 0x40>;
+ status = "disabled";
+ };
+ };
+ };
+};
diff --git a/arch/m68k/dts/mcf5282.dtsi b/arch/m68k/dts/mcf5282.dtsi
new file mode 100644
index 0000000000..3ad1be7bb5
--- /dev/null
+++ b/arch/m68k/dts/mcf5282.dtsi
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Angelo Dureghello <angelo@sysam.it>
+ */
+
+/ {
+ compatible = "fsl,mcf5282";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ ipsbar: ipsbar at 4000000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x00000000 0x40000000 0x40000000>;
+ reg = <0x40000000 0x40000000>;
+
+ uart0: uart at 200 {
+ compatible = "fsl,mcf-uart";
+ reg = <0x200 0x40>;
+ status = "disabled";
+ };
+
+ uart1: uart at 240 {
+ compatible = "fsl,mcf-uart";
+ reg = <0x240 0x40>;
+ status = "disabled";
+ };
+
+ uart2: uart at 280 {
+ compatible = "fsl,mcf-uart";
+ reg = <0x280 0x40>;
+ status = "disabled";
+ };
+ };
+ };
+};
diff --git a/arch/m68k/dts/mcf5301x.dtsi b/arch/m68k/dts/mcf5301x.dtsi
new file mode 100644
index 0000000000..0891e4dfd5
--- /dev/null
+++ b/arch/m68k/dts/mcf5301x.dtsi
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Angelo Dureghello <angelo@sysam.it>
+ */
+
+/ {
+ compatible = "fsl,mcf5301x";
+
+ aliases {
+ serial0 = &uart0;
+ spi0 = &dspi0;
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ uart0: uart at fc060000 {
+ compatible = "fsl,mcf-uart";
+ reg = <0xfc060000 0x40>;
+ status = "disabled";
+ };
+
+ uart1: uart at fc064000 {
+ compatible = "fsl,mcf-uart";
+ reg = <0xfc064000 0x40>;
+ status = "disabled";
+ };
+
+ uart2: uart at fc068000 {
+ compatible = "fsl,mcf-uart";
+ reg = <0xfc068000 0x40>;
+ status = "disabled";
+ };
+
+ dspi0: dspi at fc05c000 {
+ compatible = "fsl,mcf-dspi";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0xfc05c000 0x100>;
+ spi-max-frequency = <50000000>;
+ num-cs = <4>;
+ spi-mode = <0>;
+ status = "disabled";
+ };
+ };
+};
diff --git a/arch/m68k/dts/mcf5307.dtsi b/arch/m68k/dts/mcf5307.dtsi
new file mode 100644
index 0000000000..e199cf9991
--- /dev/null
+++ b/arch/m68k/dts/mcf5307.dtsi
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Angelo Dureghello <angelo@sysam.it>
+ */
+
+/ {
+ compatible = "fsl,mcf5307";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ /* MBAR */
+ mbar: mbar at 10000000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x00000000 0x10000000 0x10000>;
+ reg = <0x10000000 0x10000>;
+
+ uart0: uart at 1c0 {
+ compatible = "fsl,mcf-uart";
+ reg = <0x1c0 0x40>;
+ status = "disabled";
+ };
+
+ uart1: uart at 200 {
+ compatible = "fsl,mcf-uart";
+ reg = <0x200 0x40>;
+ status = "disabled";
+ };
+ };
+ };
+};
diff --git a/arch/m68k/dts/mcf5329.dtsi b/arch/m68k/dts/mcf5329.dtsi
new file mode 100644
index 0000000000..aeaa6430af
--- /dev/null
+++ b/arch/m68k/dts/mcf5329.dtsi
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Angelo Dureghello <angelo@sysam.it>
+ */
+
+/ {
+ compatible = "fsl,mcf5329";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ uart0: uart at fc060000 {
+ compatible = "fsl,mcf-uart";
+ reg = <0xfc060000 0x40>;
+ status = "disabled";
+ };
+
+ uart1: uart at fc064000 {
+ compatible = "fsl,mcf-uart";
+ reg = <0xfc064000 0x40>;
+ status = "disabled";
+ };
+
+ uart2: uart at fc068000 {
+ compatible = "fsl,mcf-uart";
+ reg = <0xfc068000 0x40>;
+ status = "disabled";
+ };
+ };
+};
diff --git a/arch/m68k/dts/mcf5441x.dtsi b/arch/m68k/dts/mcf5441x.dtsi
new file mode 100644
index 0000000000..71b392adc3
--- /dev/null
+++ b/arch/m68k/dts/mcf5441x.dtsi
@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Angelo Dureghello <angelo@sysam.it>
+ */
+
+/ {
+ compatible = "fsl,mcf5441x";
+
+ aliases {
+ serial0 = &uart0;
+ spi0 = &dspi0;
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ uart0: uart at fc060000 {
+ compatible = "fsl,mcf-uart";
+ reg = <0xfc060000 0x40>;
+ status = "disabled";
+ };
+
+ uart1: uart at fc064000 {
+ compatible = "fsl,mcf-uart";
+ reg = <0xfc064000 0x40>;
+ status = "disabled";
+ };
+
+ uart2: uart at fc068000 {
+ compatible = "fsl,mcf-uart";
+ reg = <0xfc068000 0x40>;
+ status = "disabled";
+ };
+
+ uart3: uart at fc06c000 {
+ compatible = "fsl,mcf-uart";
+ reg = <0xfc06c000 0x40>;
+ status = "disabled";
+ };
+
+ dspi0: dspi at fc05c000 {
+ compatible = "fsl,mcf-dspi";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0xfc05c000 0x100>;
+ spi-max-frequency = <50000000>;
+ num-cs = <4>;
+ spi-mode = <0>;
+ status = "disabled";
+ };
+
+ dspi1: dspi at fc03c000 {
+ compatible = "fsl,mcf-dspi";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0xfc03c000 0x100>;
+ spi-max-frequency = <50000000>;
+ num-cs = <4>;
+ spi-mode = <0>;
+ status = "disabled";
+ };
+
+ dspi2: dspi at ec038000 {
+ compatible = "fsl,mcf-dspi";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0xec038000 0x100>;
+ spi-max-frequency = <50000000>;
+ num-cs = <4>;
+ spi-mode = <0>;
+ status = "disabled";
+ };
+
+ dspi3: dspi at ec03c000 {
+ compatible = "fsl,mcf-dspi";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0xec03c00 0x100>;
+ spi-max-frequency = <50000000>;
+ num-cs = <4>;
+ spi-mode = <0>;
+ status = "disabled";
+ };
+ };
+};
diff --git a/arch/m68k/dts/mcf5445x.dtsi b/arch/m68k/dts/mcf5445x.dtsi
new file mode 100644
index 0000000000..ccbee29a6c
--- /dev/null
+++ b/arch/m68k/dts/mcf5445x.dtsi
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Angelo Dureghello <angelo@sysam.it>
+ */
+
+/ {
+ compatible = "fsl,mcf5445x";
+
+ aliases {
+ serial0 = &uart0;
+ spi0 = &dspi0;
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ uart0: uart at fc060000 {
+ compatible = "fsl,mcf-uart";
+ reg = <0xfc060000 0x40>;
+ status = "disabled";
+ };
+
+ uart1: uart at fc064000 {
+ compatible = "fsl,mcf-uart";
+ reg = <0xfc064000 0x40>;
+ status = "disabled";
+ };
+
+ uart2: uart at fc068000 {
+ compatible = "fsl,mcf-uart";
+ reg = <0xfc068000 0x40>;
+ status = "disabled";
+ };
+
+ dspi0: dspi at fc05c000 {
+ compatible = "fsl,mcf-dspi";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0xfc05c000 0x100>;
+ spi-max-frequency = <50000000>;
+ num-cs = <4>;
+ spi-mode = <0>;
+ status = "disabled";
+ };
+ };
+};
diff --git a/doc/device-tree-bindings/serial/mcf-uart.txt b/doc/device-tree-bindings/serial/mcf-uart.txt
new file mode 100644
index 0000000000..d73f764c01
--- /dev/null
+++ b/doc/device-tree-bindings/serial/mcf-uart.txt
@@ -0,0 +1,19 @@
+Freescale ColdFire UART
+
+Required properties:
+- compatible : should be "fsl,mcf-uart"
+- reg: start address and size of the registers
+
+Example:
+
+soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ uart0: uart at fc060000 {
+ compatible = "fsl,mcf-uart";
+ reg = <0xfc060000 0x40>;
+ status = "disabled";
+ };
+};
diff --git a/doc/device-tree-bindings/spi/spi-mcf-dspi.txt b/doc/device-tree-bindings/spi/spi-mcf-dspi.txt
new file mode 100644
index 0000000000..1a02e674af
--- /dev/null
+++ b/doc/device-tree-bindings/spi/spi-mcf-dspi.txt
@@ -0,0 +1,22 @@
+Freescale ColdFire DSPI controller
+
+Required properties:
+- compatible : "fsl,mcf-dspi",
+- #address-cells: <1>, as required by generic SPI binding,
+- #size-cells: <0>, also as required by generic SPI binding,
+- reg : offset and length of the register set for the device,
+- spi-max-frequency : max supported spi frequency,
+- num-cs : the number of the chipselect signals,
+- spi-mode: spi motorola mode, 0 to 3,
+
+Example:
+
+dspi0: dspi at fc05c000 {
+ compatible = "fsl,mcf-dspi";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0xfc05c000 0x100>;
+ spi-max-frequency = <50000000>;
+ num-cs = <4>;
+ spi-mode = <0>;
+};
--
2.19.0