ARM: dts: am335x-chili*: add chiliSOM and chiliboard DTS files
authorMarcin Niestroj <m.niestroj@grinn-global.com>
Wed, 21 Nov 2018 19:32:00 +0000 (20:32 +0100)
committerTom Rini <trini@konsulko.com>
Tue, 27 Nov 2018 03:52:13 +0000 (22:52 -0500)
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>
arch/arm/dts/Makefile
arch/arm/dts/am335x-chiliboard.dts [new file with mode: 0644]
arch/arm/dts/am335x-chilisom.dtsi [new file with mode: 0644]

index 84b7e5335c256caac1a042eee16918771eb8bf53..55f3fd1b25c445d77aa05335078e2bb51d4194b8 100644 (file)
@@ -187,7 +187,8 @@ dtb-$(CONFIG_AM33XX) += am335x-boneblack.dtb am335x-bone.dtb \
        am335x-icev2.dtb \
        am335x-pxm50.dtb \
        am335x-rut.dtb \
-       am335x-pdu001.dtb
+       am335x-pdu001.dtb \
+       am335x-chiliboard.dtb
 dtb-$(CONFIG_AM43XX) += am437x-gp-evm.dtb am437x-sk-evm.dtb    \
        am43x-epos-evm.dtb \
        am437x-idk-evm.dtb \
diff --git a/arch/arm/dts/am335x-chiliboard.dts b/arch/arm/dts/am335x-chiliboard.dts
new file mode 100644 (file)
index 0000000..59431b2
--- /dev/null
@@ -0,0 +1,200 @@
+/*
+ * 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.
+ */
+/dts-v1/;
+#include "am335x-chilisom.dtsi"
+
+/ {
+       model = "AM335x Chiliboard";
+       compatible = "grinn,am335x-chiliboard", "grinn,am335x-chilisom",
+                    "ti,am33xx";
+
+       leds {
+               compatible = "gpio-leds";
+               pinctrl-names = "default";
+               pinctrl-0 = <&led_gpio_pins>;
+
+               led0 {
+                       label = "led0";
+                       gpios = <&gpio3 7 GPIO_ACTIVE_LOW>;
+                       default-state = "keep";
+                       linux,default-trigger = "heartbeat";
+               };
+
+               led1 {
+                       label = "led1";
+                       gpios = <&gpio3 8 GPIO_ACTIVE_LOW>;
+                       default-state = "keep";
+               };
+       };
+};
+
+&am33xx_pinmux {
+       uart0_pins: pinmux_uart0_pins {
+               pinctrl-single,pins = <
+                       AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0)       /* uart0_rxd.uart0_rxd */
+                       AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0)    /* uart0_txd.uart0_txd */
+               >;
+       };
+
+       cpsw_default: cpsw_default {
+               pinctrl-single,pins = <
+                       /* Slave 1 */
+                       AM33XX_IOPAD(0x90c, PIN_INPUT_PULLDOWN | MUX_MODE1)  /* mii1_crs.rmii1_crs */
+                       AM33XX_IOPAD(0x910, PIN_INPUT_PULLUP | MUX_MODE1)       /* mii1_rxerr.rmii1_rxerr */
+                       AM33XX_IOPAD(0x914, PIN_OUTPUT_PULLDOWN | MUX_MODE1)    /* mii1_txen.rmii1_txen */
+                       AM33XX_IOPAD(0x924, PIN_OUTPUT_PULLDOWN | MUX_MODE1)    /* mii1_txd1.rmii1_txd1 */
+                       AM33XX_IOPAD(0x928, PIN_OUTPUT_PULLDOWN | MUX_MODE1)    /* mii1_txd0.rmii1_txd0 */
+                       AM33XX_IOPAD(0x93c, PIN_INPUT_PULLUP | MUX_MODE1)       /* mii1_rxd1.rmii1_rxd1 */
+                       AM33XX_IOPAD(0x940, PIN_INPUT_PULLUP | MUX_MODE1)       /* mii1_rxd0.rmii1_rxd0 */
+                       AM33XX_IOPAD(0x944, PIN_INPUT_PULLDOWN | MUX_MODE0)     /* rmii1_ref_clk.rmii_ref_clk */
+               >;
+       };
+
+       cpsw_sleep: cpsw_sleep {
+               pinctrl-single,pins = <
+                       /* Slave 1 reset value */
+                       AM33XX_IOPAD(0x90c, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM33XX_IOPAD(0x910, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM33XX_IOPAD(0x914, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM33XX_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM33XX_IOPAD(0x924, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM33XX_IOPAD(0x928, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM33XX_IOPAD(0x944, PIN_INPUT_PULLDOWN | MUX_MODE7)
+               >;
+       };
+
+       davinci_mdio_default: davinci_mdio_default {
+               pinctrl-single,pins = <
+                       /* mdio_data.mdio_data */
+                       AM33XX_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)
+                       /* mdio_clk.mdio_clk */
+                       AM33XX_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0)
+               >;
+       };
+
+       davinci_mdio_sleep: davinci_mdio_sleep {
+               pinctrl-single,pins = <
+                       /* MDIO reset value */
+                       AM33XX_IOPAD(0x948, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM33XX_IOPAD(0x94c, PIN_INPUT_PULLDOWN | MUX_MODE7)
+               >;
+       };
+
+       usb1_drvvbus: usb1_drvvbus {
+               pinctrl-single,pins = <
+                       AM33XX_IOPAD(0xa34, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* usb1_drvvbus.usb1_drvvbus */
+               >;
+       };
+
+       sd_pins: pinmux_sd_card {
+               pinctrl-single,pins = <
+                       AM33XX_IOPAD(0x8f0, PIN_INPUT | MUX_MODE0) /* mmc0_dat0.mmc0_dat0 */
+                       AM33XX_IOPAD(0x8f4, PIN_INPUT | MUX_MODE0) /* mmc0_dat1.mmc0_dat1 */
+                       AM33XX_IOPAD(0x8f8, PIN_INPUT | MUX_MODE0) /* mmc0_dat2.mmc0_dat2 */
+                       AM33XX_IOPAD(0x8fc, PIN_INPUT | MUX_MODE0) /* mmc0_dat3.mmc0_dat3 */
+                       AM33XX_IOPAD(0x900, PIN_INPUT | MUX_MODE0) /* mmc0_clk.mmc0_clk */
+                       AM33XX_IOPAD(0x904, PIN_INPUT | MUX_MODE0) /* mmc0_cmd.mmc0_cmd */
+                       AM33XX_IOPAD(0x960, PIN_INPUT | MUX_MODE7) /* spi0_cs1.gpio0_6 */
+               >;
+       };
+
+       led_gpio_pins: led_gpio_pins {
+               pinctrl-single,pins = <
+                       AM33XX_IOPAD(0x9e4, PIN_OUTPUT | MUX_MODE7) /* emu0.gpio3_7 */
+                       AM33XX_IOPAD(0x9e8, PIN_OUTPUT | MUX_MODE7) /* emu1.gpio3_8 */
+               >;
+       };
+};
+
+&uart0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&uart0_pins>;
+
+       status = "okay";
+};
+
+&ldo4_reg {
+       regulator-min-microvolt = <3300000>;
+       regulator-max-microvolt = <3300000>;
+};
+
+/* Ethernet */
+&mac {
+       slaves = <1>;
+       pinctrl-names = "default", "sleep";
+       pinctrl-0 = <&cpsw_default>;
+       pinctrl-1 = <&cpsw_sleep>;
+       status = "okay";
+};
+
+&davinci_mdio {
+       pinctrl-names = "default", "sleep";
+       pinctrl-0 = <&davinci_mdio_default>;
+       pinctrl-1 = <&davinci_mdio_sleep>;
+       status = "okay";
+};
+
+&cpsw_emac0 {
+       phy_id = <&davinci_mdio>, <0>;
+       phy-mode = "rmii";
+};
+
+&phy_sel {
+       rmii-clock-ext;
+};
+
+/* USB */
+&usb {
+       status = "okay";
+};
+
+&usb_ctrl_mod {
+       status = "okay";
+};
+
+&usb1_phy {
+       status = "okay";
+};
+
+&usb1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&usb1_drvvbus>;
+
+       status = "okay";
+       dr_mode = "host";
+};
+
+&cppi41dma  {
+       status = "okay";
+};
+
+/* microSD */
+&mmc1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&sd_pins>;
+       vmmc-supply = <&ldo4_reg>;
+       bus-width = <0x4>;
+       cd-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;
+       status = "okay";
+};
+
+&tps {
+       interrupt-parent = <&intc>;
+       interrupts = <7>; /* NNMI */
+
+       charger {
+               status = "okay";
+       };
+
+       pwrbutton {
+               status = "okay";
+       };
+};
diff --git a/arch/arm/dts/am335x-chilisom.dtsi b/arch/arm/dts/am335x-chilisom.dtsi
new file mode 100644 (file)
index 0000000..1b43ebd
--- /dev/null
@@ -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>;
+       };
+};