ARM: dts: am335x-chili*: add chiliSOM and chiliboard DTS files

Import chiliSOM and chiliboard dts files from Linux v4.19. They will
be used after transition to driver model and device-tree based boot.

Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

1 files changed, 178 insertions, 0 deletions

diff --git a/arch/arm/dts/am335x-chilisom.dtsi b/arch/arm/dts/am335x-chilisom.dtsi
new file mode 100644
index 0000000000..1b43ebd08b
--- /dev/null
+++ b/arch/arm/dts/am335x-chilisom.dtsi
@@ -0,0 +1,178 @@
+/*
+ * Copyright (C) 2015 Jablotron s.r.o. -- http://www.jablotron.com/
+ * Author: Rostislav Lisovy <lisovy@jablotron.cz>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include "am33xx.dtsi"
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+	model = "Grinn AM335x ChiliSOM";
+	compatible = "grinn,am335x-chilisom", "ti,am33xx";
+
+	cpus {
+		cpu@0 {
+			cpu0-supply = <&dcdc2_reg>;
+		};
+	};
+
+	memory@80000000 {
+		device_type = "memory";
+		reg = <0x80000000 0x20000000>; /* 512 MB */
+	};
+};
+
+&am33xx_pinmux {
+	pinctrl-names = "default";
+
+	i2c0_pins: pinmux_i2c0_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x988, PIN_INPUT_PULLUP | MUX_MODE0)	/* i2c0_sda.i2c0_sda */
+			AM33XX_IOPAD(0x98c, PIN_INPUT_PULLUP | MUX_MODE0)	/* i2c0_scl.i2c0_scl */
+		>;
+	};
+
+	nandflash_pins: nandflash_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x800, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad0.gpmc_ad0 */
+			AM33XX_IOPAD(0x804, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad1.gpmc_ad1 */
+			AM33XX_IOPAD(0x808, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad2.gpmc_ad2 */
+			AM33XX_IOPAD(0x80c, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad3.gpmc_ad3 */
+			AM33XX_IOPAD(0x810, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad4.gpmc_ad4 */
+			AM33XX_IOPAD(0x814, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad5.gpmc_ad5 */
+			AM33XX_IOPAD(0x818, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad6.gpmc_ad6 */
+			AM33XX_IOPAD(0x81c, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad7.gpmc_ad7 */
+
+			AM33XX_IOPAD(0x870, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_wait0.gpmc_wait0 */
+			AM33XX_IOPAD(0x87c, PIN_OUTPUT_PULLUP | MUX_MODE0)	/* gpmc_csn0.gpmc_csn0 */
+			AM33XX_IOPAD(0x890, PIN_OUTPUT_PULLUP | MUX_MODE0)	/* gpmc_advn_ale.gpmc_advn_ale */
+			AM33XX_IOPAD(0x894, PIN_OUTPUT_PULLUP | MUX_MODE0)	/* gpmc_oen_ren.gpmc_oen_ren */
+			AM33XX_IOPAD(0x898, PIN_OUTPUT_PULLUP | MUX_MODE0)	/* gpmc_wen.gpmc_wen */
+			AM33XX_IOPAD(0x89c, PIN_OUTPUT_PULLUP | MUX_MODE0)	/* gpmc_be0n_cle.gpmc_be0n_cle */
+		>;
+	};
+};
+
+&i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c0_pins>;
+
+	status = "okay";
+	clock-frequency = <400000>;
+
+	tps: tps@24 {
+		reg = <0x24>;
+	};
+
+};
+
+/include/ "tps65217.dtsi"
+
+&tps {
+	regulators {
+		dcdc1_reg: regulator@0 {
+			regulator-name = "vdds_dpr";
+			regulator-always-on;
+		};
+
+		dcdc2_reg: regulator@1 {
+			/* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */
+			regulator-name = "vdd_mpu";
+			regulator-min-microvolt = <925000>;
+			regulator-max-microvolt = <1325000>;
+			regulator-boot-on;
+			regulator-always-on;
+		};
+
+		dcdc3_reg: regulator@2 {
+			/* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */
+			regulator-name = "vdd_core";
+			regulator-min-microvolt = <925000>;
+			regulator-max-microvolt = <1150000>;
+			regulator-boot-on;
+			regulator-always-on;
+		};
+
+		ldo1_reg: regulator@3 {
+			regulator-name = "vio,vrtc,vdds";
+			regulator-boot-on;
+			regulator-always-on;
+		};
+
+		ldo2_reg: regulator@4 {
+			regulator-name = "vdd_3v3aux";
+			regulator-boot-on;
+			regulator-always-on;
+		};
+
+		ldo3_reg: regulator@5 {
+			regulator-name = "vdd_1v8";
+			regulator-boot-on;
+			regulator-always-on;
+		};
+
+		ldo4_reg: regulator@6 {
+			regulator-name = "vdd_3v3d";
+			regulator-boot-on;
+			regulator-always-on;
+		};
+	};
+};
+
+&rtc {
+	system-power-controller;
+
+	pinctrl-0 = <&ext_wakeup>;
+	pinctrl-names = "default";
+
+	ext_wakeup: ext-wakeup {
+		pins = "ext_wakeup0";
+		input-enable;
+	};
+};
+
+/* NAND Flash */
+&elm {
+	status = "okay";
+};
+
+&gpmc {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&nandflash_pins>;
+	ranges = <0 0 0x08000000 0x01000000>; /* CS0 0 @addr 0x08000000, size 0x01000000 */
+	nand@0,0 {
+		compatible = "ti,omap2-nand";
+		reg = <0 0 4>;	/* CS0, offset 0, IO size 4 */
+		interrupt-parent = <&gpmc>;
+		interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
+			     <1 IRQ_TYPE_NONE>;	/* termcount */
+		rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 */
+		ti,nand-ecc-opt = "bch8";
+		ti,elm-id = <&elm>;
+		nand-bus-width = <8>;
+		gpmc,device-width = <1>;
+		gpmc,sync-clk-ps = <0>;
+		gpmc,cs-on-ns = <0>;
+		gpmc,cs-rd-off-ns = <44>;
+		gpmc,cs-wr-off-ns = <44>;
+		gpmc,adv-on-ns = <6>;
+		gpmc,adv-rd-off-ns = <34>;
+		gpmc,adv-wr-off-ns = <44>;
+		gpmc,we-on-ns = <0>;
+		gpmc,we-off-ns = <40>;
+		gpmc,oe-on-ns = <0>;
+		gpmc,oe-off-ns = <54>;
+		gpmc,access-ns = <64>;
+		gpmc,rd-cycle-ns = <82>;
+		gpmc,wr-cycle-ns = <82>;
+		gpmc,bus-turnaround-ns = <0>;
+		gpmc,cycle2cycle-delay-ns = <0>;
+		gpmc,clk-activation-ns = <0>;
+		gpmc,wr-access-ns = <40>;
+		gpmc,wr-data-mux-bus-ns = <0>;
+	};
+};