bcm53xx: prepare kernel 5.15 support

Tested on Luxul XWR-3150 (boot, NAND, PCIe, switch, Ethernet).

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

1 files changed, 148 insertions, 0 deletions

diff --git a/target/linux/bcm53xx/patches-5.15/030-v5.15-0006-ARM-dts-NSP-Add-common-bindings-for-MX64-MX65.patch b/target/linux/bcm53xx/patches-5.15/030-v5.15-0006-ARM-dts-NSP-Add-common-bindings-for-MX64-MX65.patch
new file mode 100644
index 0000000000..aebf62af9b
--- /dev/null
+++ b/target/linux/bcm53xx/patches-5.15/030-v5.15-0006-ARM-dts-NSP-Add-common-bindings-for-MX64-MX65.patch
@@ -0,0 +1,148 @@
+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";
++};