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Diffstat (limited to 'target/linux/pistachio/patches-5.4/903-MIPS-DTS-img-marduk-Add-NXP-SC16IS752IPW.patch')
-rw-r--r--target/linux/pistachio/patches-5.4/903-MIPS-DTS-img-marduk-Add-NXP-SC16IS752IPW.patch81
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 {