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From f111016a8293b968f05450fec83020c94d0f88c2 Mon Sep 17 00:00:00 2001
From: Matthew Hagan <mnhagan88@gmail.com>
Date: Fri, 6 Aug 2021 21:44:32 +0100
Subject: [PATCH] ARM: dts: NSP: Add common bindings for MX64/MX65
These bindings are required for all Meraki MX64/MX65 devices. These
common bindings include memory (2GB), PWM LEDs, AMAC, I2C (AT24), NAND
partitions, EHCI, OHCI and pinctrl.
Signed-off-by: Matthew Hagan <mnhagan88@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
.../dts/bcm958625-meraki-mx6x-common.dtsi | 129 ++++++++++++++++++
1 file changed, 129 insertions(+)
create mode 100644 arch/arm/boot/dts/bcm958625-meraki-mx6x-common.dtsi
--- /dev/null
+++ b/arch/arm/boot/dts/bcm958625-meraki-mx6x-common.dtsi
@@ -0,0 +1,129 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Common Bindings for Cisco Meraki MX64 (Kingpin) and MX65 (Alamo) devices.
+ *
+ * Copyright (C) 2020-2021 Matthew Hagan <mnhagan88@gmail.com>
+ */
+
+#include "bcm-nsp.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+
+/ {
+ pwm-leds {
+ compatible = "pwm-leds";
+
+ led-1 {
+ function = LED_FUNCTION_INDICATOR;
+ color = <LED_COLOR_ID_RED>;
+ pwms = <&pwm 1 50000>;
+ max-brightness = <255>;
+ };
+
+ led-2 {
+ function = LED_FUNCTION_INDICATOR;
+ color = <LED_COLOR_ID_GREEN>;
+ pwms = <&pwm 2 50000>;
+ max-brightness = <255>;
+ };
+
+ led-3 {
+ function = LED_FUNCTION_INDICATOR;
+ color = <LED_COLOR_ID_BLUE>;
+ pwms = <&pwm 3 50000>;
+ max-brightness = <255>;
+ };
+ };
+};
+
+&amac2 {
+ status = "okay";
+};
+
+&ehci0 {
+ status = "okay";
+};
+
+&i2c0 {
+ status = "okay";
+
+ at24@50 {
+ compatible = "atmel,24c64";
+ reg = <0x50>;
+ pagesize = <32>;
+ read-only;
+ };
+};
+
+&nand_controller {
+ nand@0 {
+ compatible = "brcm,nandcs";
+ reg = <0>;
+ nand-on-flash-bbt;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ nand-ecc-strength = <24>;
+ nand-ecc-step-size = <1024>;
+
+ brcm,nand-oob-sector-size = <27>;
+
+ partition@0 {
+ label = "u-boot";
+ reg = <0x0 0x80000>;
+ read-only;
+ };
+
+ partition@80000 {
+ label = "shmoo";
+ reg = <0x80000 0x80000>;
+ read-only;
+ };
+
+ partition@100000 {
+ label = "bootkernel1";
+ reg = <0x100000 0x300000>;
+ };
+
+ partition@400000 {
+ label = "nvram";
+ reg = <0x400000 0x100000>;
+ };
+
+ partition@500000 {
+ label = "bootkernel2";
+ reg = <0x500000 0x300000>;
+ };
+
+ partition@800000 {
+ label = "ubi";
+ reg = <0x800000 0x3f700000>;
+ };
+ };
+};
+
+&ohci0 {
+ status = "okay";
+};
+
+&pinctrl {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm_leds>;
+
+ pwm_leds: pwm_leds {
+ function = "pwm";
+ groups = "pwm1_grp", "pwm2_grp", "pwm3_grp";
+ };
+};
+
+&pwm {
+ status = "okay";
+ #pwm-cells = <2>;
+};
+
+&uart0 {
+ clock-frequency = <62500000>;
+ status = "okay";
+};
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