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- From ad4eba0c36ce8af6ab9ea1bc163e4c1ac7c271c3 Mon Sep 17 00:00:00 2001
- From: Hauke Mehrtens <[email protected]>
- 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 <[email protected]>
- ---
- 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>;
- + };
- + };
- +
- led-controller {
- compatible = "pwm-leds";
-
- @@ -96,6 +136,17 @@
- 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 {
|
