pistachio: Add extra devices to dts file

This adds some extra devices to the DTS file.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

1 files changed, 81 insertions, 0 deletions

diff --git a/target/linux/pistachio/patches-5.4/903-MIPS-DTS-img-marduk-Add-NXP-SC16IS752IPW.patch b/target/linux/pistachio/patches-5.4/903-MIPS-DTS-img-marduk-Add-NXP-SC16IS752IPW.patch
new file mode 100644
index 0000000000..0814658998
--- /dev/null
+++ b/target/linux/pistachio/patches-5.4/903-MIPS-DTS-img-marduk-Add-NXP-SC16IS752IPW.patch
@@ -0,0 +1,81 @@
+From ad4eba0c36ce8af6ab9ea1bc163e4c1ac7c271c3 Mon Sep 17 00:00:00 2001
+From: Hauke Mehrtens <hauke@hauke-m.de>
+Date: Sat, 15 Aug 2020 16:09:02 +0200
+Subject: [PATCH 903/904] MIPS: DTS: img: marduk: Add NXP SC16IS752IPW
+
+Add NXP SC16IS752IPW SPI-UART controller to device tree.
+
+This controller drives 2 UARTs and 7 LEDs on the board.
+
+Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+---
+ arch/mips/boot/dts/img/pistachio_marduk.dts | 51 +++++++++++++++++++++
+ 1 file changed, 51 insertions(+)
+
+--- a/arch/mips/boot/dts/img/pistachio_marduk.dts
++++ b/arch/mips/boot/dts/img/pistachio_marduk.dts
+@@ -46,6 +46,46 @@
+ 		regulator-max-microvolt = <1800000>;
+ 	};
+ 
++	/* EXT clock from ca8210 is fed to sc16is752 */
++	ca8210_ext_clk: ca8210-ext-clk {
++		compatible = "fixed-clock";
++		#clock-cells = <0>;
++		clock-frequency = <16000000>;
++		clock-output-names = "ca8210_ext_clock";
++	};
++
++	gpioleds {
++		compatible = "gpio-leds";
++		user1 {
++			label = "marduk:red:user1";
++			gpios = <&sc16is752 0 GPIO_ACTIVE_LOW>;
++		};
++		user2 {
++			label = "marduk:red:user2";
++			gpios = <&sc16is752 1 GPIO_ACTIVE_LOW>;
++		};
++		user3 {
++			label = "marduk:red:user3";
++			gpios = <&sc16is752 2 GPIO_ACTIVE_LOW>;
++		};
++		user4 {
++			label = "marduk:red:user4";
++			gpios = <&sc16is752 3 GPIO_ACTIVE_LOW>;
++		};
++		user5 {
++			label = "marduk:red:user5";
++			gpios = <&sc16is752 4 GPIO_ACTIVE_LOW>;
++		};
++		user6 {
++			label = "marduk:red:user6";
++			gpios = <&sc16is752 5 GPIO_ACTIVE_LOW>;
++		};
++		user7 {
++			label = "marduk:red:user7";
++			gpios = <&sc16is752 6 GPIO_ACTIVE_LOW>;
++		};
++	};
++
+ 	leds {
+ 		compatible = "pwm-leds";
+ 		heartbeat {
+@@ -95,6 +135,17 @@
+ 		extclock-freq = <16000000>;
+ 		extclock-gpio = <2>;
+ 	};
++
++	sc16is752: sc16is752@1 {
++		compatible = "nxp,sc16is752";
++		reg = <1>;
++		clocks = <&ca8210_ext_clk>;
++		spi-max-frequency = <4000000>;
++		interrupt-parent = <&gpio0>;
++		interrupts = <11 IRQ_TYPE_EDGE_FALLING>;
++		gpio-controller;
++		#gpio-cells = <2>;
++	};
+ };
+ 
+ &spfi1 {