linux-kernel - [PATCH v4 1/4] ARM: dts: NSP: Add common bindings for MX64/MX65

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Message-Id: <20210625095000.3358973-2-mnhagan88@gmail.com>
Date:   Fri, 25 Jun 2021 10:49:48 +0100
From:   Matthew Hagan <mnhagan88@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        Matthew Hagan <mnhagan88@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
        soc@...nel.org, Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Sam Ravnborg <sam@...nborg.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v4 1/4] 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@...il.com>
---
 .../dts/bcm958625-meraki-mx6x-common.dtsi     | 143 ++++++++++++++++++
 1 file changed, 143 insertions(+)
 create mode 100644 arch/arm/boot/dts/bcm958625-meraki-mx6x-common.dtsi

diff --git a/arch/arm/boot/dts/bcm958625-meraki-mx6x-common.dtsi b/arch/arm/boot/dts/bcm958625-meraki-mx6x-common.dtsi
new file mode 100644
index 000000000000..b2336bd0e19b
--- /dev/null
+++ b/arch/arm/boot/dts/bcm958625-meraki-mx6x-common.dtsi
@@ -0,0 +1,143 @@
+// 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@...il.com>
+ */
+
+#include "bcm-nsp.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+
+/ {
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x60000000 0x80000000>;
+	};
+
+	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";
+		pagesize = <32>;
+		reg = <0x50>;
+	};
+};
+
+&L2 {
+	arm,io-coherent;
+	prefetch-data = <1>;
+	prefetch-instr = <1>;
+};
+
+&nand {
+	nandcs@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@...00 {
+			label = "shmoo";
+			reg = <0x80000 0x80000>;
+			read-only;
+		};
+
+		partition@...000 {
+			label = "bootkernel1";
+			reg = <0x100000 0x300000>;
+		};
+
+		partition@...000 {
+			label = "nvram";
+			reg = <0x400000 0x100000>;
+		};
+
+		partition@...000 {
+			label = "bootkernel2";
+			reg = <0x500000 0x300000>;
+		};
+
+		partition@...000 {
+			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";
+};
-- 
2.26.3