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Wed, 20 Jan 2021 14:25:32 -0600 Received: from DLEE105.ent.ti.com (157.170.170.35) by DLEE103.ent.ti.com (157.170.170.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Wed, 20 Jan 2021 14:25:32 -0600 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE105.ent.ti.com (157.170.170.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Wed, 20 Jan 2021 14:25:32 -0600 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 10KKPW5d078370; Wed, 20 Jan 2021 14:25:32 -0600 From: Dave Gerlach To: Nishanth Menon Subject: [PATCH v3 5/5] arm64: dts: ti: Add support for AM642 EVM Date: Wed, 20 Jan 2021 14:25:32 -0600 Message-ID: <20210120202532.9011-6-d-gerlach@ti.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20210120202532.9011-1-d-gerlach@ti.com> References: <20210120202532.9011-1-d-gerlach@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210120_152538_517874_8B852216 X-CRM114-Status: GOOD ( 17.45 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Vignesh Raghavendra , Dave Gerlach , Tony Lindgren , Sekhar Nori , Kishon Vijay Abraham , Lokesh Vutla , Rob Herring , Aswath Govindraju , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The AM642 EValuation Module (EVM) is a board that provides access to various peripherals available on the AM642 SoC, such as PCIe, USB 2.0, CPSW Ethernet, ADC, and more. Introduce support for the AM642 EVM to enable mmc boot, including enabling UART and I2C on the board. Signed-off-by: Aswath Govindraju Signed-off-by: Faiz Abbas Signed-off-by: Suman Anna Signed-off-by: Nishanth Menon Signed-off-by: Dave Gerlach --- arch/arm64/boot/dts/ti/Makefile | 2 + arch/arm64/boot/dts/ti/k3-am642-evm.dts | 246 ++++++++++++++++++++++++ 2 files changed, 248 insertions(+) create mode 100644 arch/arm64/boot/dts/ti/k3-am642-evm.dts diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile index 65506f21ba30..c687739e2bca 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -11,3 +11,5 @@ dtb-$(CONFIG_ARCH_K3) += k3-am654-base-board.dtb dtb-$(CONFIG_ARCH_K3) += k3-j721e-common-proc-board.dtb dtb-$(CONFIG_ARCH_K3) += k3-j7200-common-proc-board.dtb + +dtb-$(CONFIG_ARCH_K3) += k3-am642-evm.dtb diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts new file mode 100644 index 000000000000..1f1787750fef --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts @@ -0,0 +1,246 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2020-2021 Texas Instruments Incorporated - https://www.ti.com/ + */ + +/dts-v1/; + +#include +#include "k3-am642.dtsi" + +/ { + compatible = "ti,am642-evm", "ti,am642"; + model = "Texas Instruments AM642 EVM"; + + chosen { + stdout-path = "serial2:115200n8"; + bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000"; + }; + + memory@80000000 { + device_type = "memory"; + /* 2G RAM */ + reg = <0x00000000 0x80000000 0x00000000 0x80000000>; + + }; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + secure_ddr: optee@9e800000 { + reg = <0x00 0x9e800000 0x00 0x01800000>; /* for OP-TEE */ + alignment = <0x1000>; + no-map; + }; + }; + + evm_12v0: fixedregulator-evm12v0 { + /* main DC jack */ + compatible = "regulator-fixed"; + regulator-name = "evm_12v0"; + regulator-min-microvolt = <12000000>; + regulator-max-microvolt = <12000000>; + regulator-always-on; + regulator-boot-on; + }; + + vsys_5v0: fixedregulator-vsys5v0 { + /* output of LM5140 */ + compatible = "regulator-fixed"; + regulator-name = "vsys_5v0"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + vin-supply = <&evm_12v0>; + regulator-always-on; + regulator-boot-on; + }; + + vsys_3v3: fixedregulator-vsys3v3 { + /* output of LM5140 */ + compatible = "regulator-fixed"; + regulator-name = "vsys_3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&evm_12v0>; + regulator-always-on; + regulator-boot-on; + }; + + vdd_mmc1: fixed-regulator-sd { + /* TPS2051BD */ + compatible = "regulator-fixed"; + regulator-name = "vdd_mmc1"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + enable-active-high; + vin-supply = <&vsys_3v3>; + gpio = <&exp1 6 GPIO_ACTIVE_HIGH>; + }; + + vddb: fixedregulator-vddb { + compatible = "regulator-fixed"; + regulator-name = "vddb_3v3_display"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&vsys_3v3>; + regulator-always-on; + regulator-boot-on; + }; + + leds { + compatible = "gpio-leds"; + + led-0 { + label = "am64-evm:red:heartbeat"; + gpios = <&exp1 16 GPIO_ACTIVE_HIGH>; + linux,default-trigger = "heartbeat"; + function = LED_FUNCTION_HEARTBEAT; + default-state = "off"; + }; + }; +}; + +&main_pmx0 { + main_mmc1_pins_default: main-mmc1-pins-default { + pinctrl-single,pins = < + AM64X_IOPAD(0x0294, PIN_INPUT_PULLUP, 0) /* (J19) MMC1_CMD */ + AM64X_IOPAD(0x028c, PIN_INPUT_PULLDOWN, 0) /* (L20) MMC1_CLK */ + AM64X_IOPAD(0x0288, PIN_INPUT_PULLUP, 0) /* (K21) MMC1_DAT0 */ + AM64X_IOPAD(0x0284, PIN_INPUT_PULLUP, 0) /* (L21) MMC1_DAT1 */ + AM64X_IOPAD(0x0280, PIN_INPUT_PULLUP, 0) /* (K19) MMC1_DAT2 */ + AM64X_IOPAD(0x027c, PIN_INPUT_PULLUP, 0) /* (K18) MMC1_DAT3 */ + AM64X_IOPAD(0x0298, PIN_INPUT_PULLUP, 0) /* (D19) MMC1_SDCD */ + AM64X_IOPAD(0x029c, PIN_INPUT, 0) /* (C20) MMC1_SDWP */ + AM64X_IOPAD(0x0290, PIN_INPUT, 0) /* MMC1_CLKLB */ + >; + }; + + main_uart0_pins_default: main-uart0-pins-default { + pinctrl-single,pins = < + AM64X_IOPAD(0x0238, PIN_INPUT, 0) /* (B16) UART0_CTSn */ + AM64X_IOPAD(0x023c, PIN_OUTPUT, 0) /* (A16) UART0_RTSn */ + AM64X_IOPAD(0x0230, PIN_INPUT, 0) /* (D15) UART0_RXD */ + AM64X_IOPAD(0x0234, PIN_OUTPUT, 0) /* (C16) UART0_TXD */ + >; + }; + + main_i2c1_pins_default: main-i2c1-pins-default { + pinctrl-single,pins = < + AM64X_IOPAD(0x0268, PIN_INPUT_PULLUP, 0) /* (C18) I2C1_SCL */ + AM64X_IOPAD(0x026c, PIN_INPUT_PULLUP, 0) /* (B19) I2C1_SDA */ + >; + }; +}; + +&main_uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&main_uart0_pins_default>; +}; + +/* main_uart1 is reserved for firmware usage */ +&main_uart1 { + status = "reserved"; +}; + +&main_uart2 { + status = "disabled"; +}; + +&main_uart3 { + status = "disabled"; +}; + +&main_uart4 { + status = "disabled"; +}; + +&main_uart5 { + status = "disabled"; +}; + +&main_uart6 { + status = "disabled"; +}; + +&mcu_uart0 { + status = "disabled"; +}; + +&mcu_uart1 { + status = "disabled"; +}; + +&main_i2c1 { + pinctrl-names = "default"; + pinctrl-0 = <&main_i2c1_pins_default>; + clock-frequency = <400000>; + + exp1: gpio@22 { + compatible = "ti,tca6424"; + reg = <0x22>; + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = "GPIO_eMMC_RSTn", "CAN_MUX_SEL", + "GPIO_CPSW1_RST", "GPIO_RGMII1_RST", + "GPIO_RGMII2_RST", "GPIO_PCIe_RST_OUT", + "MMC1_SD_EN", "FSI_FET_SEL", + "MCAN0_STB_3V3", "MCAN1_STB_3V3", + "CPSW_FET_SEL", "CPSW_FET2_SEL", + "PRG1_RGMII2_FET_SEL", "TEST_GPIO2", + "GPIO_OLED_RESETn", "VPP_LDO_EN", + "TEST_LED1", "TP92", "TP90", "TP88", + "TP87", "TP86", "TP89", "TP91"; + }; + + /* osd9616p0899-10 */ + display@3c { + compatible = "solomon,ssd1306fb-i2c"; + reg = <0x3c>; + reset-gpios = <&exp1 14 GPIO_ACTIVE_LOW>; + vbat-supply = <&vddb>; + solomon,height = <16>; + solomon,width = <96>; + solomon,com-seq; + solomon,com-invdir; + solomon,page-offset = <0>; + solomon,prechargep1 = <2>; + solomon,prechargep2 = <13>; + }; +}; + +&mcu_i2c0 { + status = "disabled"; +}; + +&mcu_i2c1 { + status = "disabled"; +}; + +&mcu_spi0 { + status = "disabled"; +}; + +&mcu_spi1 { + status = "disabled"; +}; + +&sdhci0 { + /* emmc */ + bus-width = <8>; + non-removable; + ti,driver-strength-ohm = <50>; + disable-wp; +}; + +&sdhci1 { + /* SD/MMC */ + vmmc-supply = <&vdd_mmc1>; + pinctrl-names = "default"; + bus-width = <4>; + pinctrl-0 = <&main_mmc1_pins_default>; + ti,driver-strength-ohm = <50>; + disable-wp; +};