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Message-ID: <YaOxu441l41qPvTj@robh.at.kernel.org>
Date: Sun, 28 Nov 2021 10:43:39 -0600
From: Rob Herring <robh@...nel.org>
To: Jesse Taube <mr.bossman075@...il.com>
Cc: linux-imx@....com, mturquette@...libre.com, sboyd@...nel.org,
shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
festevam@...il.com, ulf.hansson@...aro.org, aisheng.dong@....com,
stefan@...er.ch, linus.walleij@...aro.org,
gregkh@...uxfoundation.org, arnd@...db.de, olof@...om.net,
soc@...nel.org, linux@...linux.org.uk, abel.vesa@....com,
adrian.hunter@...el.com, jirislaby@...nel.org,
giulio.benetti@...ettiengineering.com,
nobuhiro1.iwamatsu@...hiba.co.jp, linux-clk@...r.kernel.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, linux-mmc@...r.kernel.org,
linux-gpio@...r.kernel.org, linux-serial@...r.kernel.org
Subject: Re: [PATCH v3 12/13] ARM: dts: imx: add i.MXRT1050-EVK support
On Thu, Nov 25, 2021 at 04:14:42PM -0500, Jesse Taube wrote:
> From: Giulio Benetti <giulio.benetti@...ettiengineering.com>
>
> The NXP i.MXRT1050 Evaluation Kit (EVK) provides a platform for rapid
> evaluation of the i.MXRT, which features NXP's implementation of the Arm
> Cortex-M7 core.
>
> The EVK provides 32 MB SDRAM, 64 MB Quad SPI flash, Micro SD card socket,
> USB 2.0 OTG.
>
> This patch aims to support the preliminary booting up features
> as follows:
> GPIO
> LPUART
> SD/MMC
>
> Signed-off-by: Giulio Benetti <giulio.benetti@...ettiengineering.com>
> Signed-off-by: Jesse Taube <Mr.Bossman075@...il.com>
> [Jesse: Add clock-parents, edma, usdhc, anatop, remove old pinctl]
> ---
> V1->V2:
> * dtsi: Add clock parent definitions
> * dtsi: Change hex values to lowercase
> * dtsi: Move anatop definition from driver
> * dts: Remove unused pin controll (semc)
> * dts: Use moved pin controll header
> * Move aliases from dtsi to dts
> * Change commit description
> * Change licence to "GPL-2.0+ OR MIT"
> V2->V3:
> * Remove bootargs, comments, unused container
> * Remove unnecessary new lines
> * Rename imxrt to imxrt1050 for seiral and mmc
> * GPT uses own clock
> * fix memory@0
> * Change GPT compatible handles
> ---
> arch/arm/boot/dts/Makefile | 2 +
> arch/arm/boot/dts/imxrt1050-evk.dts | 72 ++++++++++++
> arch/arm/boot/dts/imxrt1050.dtsi | 165 ++++++++++++++++++++++++++++
> 3 files changed, 239 insertions(+)
> create mode 100644 arch/arm/boot/dts/imxrt1050-evk.dts
> create mode 100644 arch/arm/boot/dts/imxrt1050.dtsi
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 8a2dfdf01ce3..d539bf7daa86 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -723,6 +723,8 @@ dtb-$(CONFIG_SOC_IMX7D) += \
> dtb-$(CONFIG_SOC_IMX7ULP) += \
> imx7ulp-com.dtb \
> imx7ulp-evk.dtb
> +dtb-$(CONFIG_SOC_IMXRT) += \
> + imxrt1050-evk.dtb
> dtb-$(CONFIG_SOC_LS1021A) += \
> ls1021a-moxa-uc-8410a.dtb \
> ls1021a-qds.dtb \
> diff --git a/arch/arm/boot/dts/imxrt1050-evk.dts b/arch/arm/boot/dts/imxrt1050-evk.dts
> new file mode 100644
> index 000000000000..6a9c10decf52
> --- /dev/null
> +++ b/arch/arm/boot/dts/imxrt1050-evk.dts
> @@ -0,0 +1,72 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (C) 2019
> + * Author(s): Giulio Benetti <giulio.benetti@...ettiengineering.com>
> + */
> +
> +/dts-v1/;
> +#include "imxrt1050.dtsi"
> +#include "imxrt1050-pinfunc.h"
> +
> +/ {
> + model = "NXP IMXRT1050-evk board";
> + compatible = "fsl,imxrt1050-evk", "fsl,imxrt1050";
> +
> + chosen {
> + stdout-path = &lpuart1;
> + };
> +
> + aliases {
> + gpio0 = &gpio1;
> + gpio1 = &gpio2;
> + gpio2 = &gpio3;
> + gpio3 = &gpio4;
> + gpio4 = &gpio5;
> + mmc0 = &usdhc1;
> + serial0 = &lpuart1;
> + };
> +
> + memory@...00000 {
> + device_type = "memory";
> + reg = <0x80000000 0x2000000>;
> + };
> +};
> +
> +&lpuart1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_lpuart1>;
> + status = "okay";
> +};
> +
> +&iomuxc {
> + pinctrl-names = "default";
> + pinctrl_lpuart1: lpuart1grp {
> + fsl,pins = <
> + MXRT1050_IOMUXC_GPIO_AD_B0_12_LPUART1_TXD 0xf1
> + MXRT1050_IOMUXC_GPIO_AD_B0_13_LPUART1_RXD 0xf1
> + >;
> + };
> +
> + pinctrl_usdhc0: usdhc0grp {
> + fsl,pins = <
> + MXRT1050_IOMUXC_GPIO_B1_12_USDHC1_CD_B 0x1B000
> + MXRT1050_IOMUXC_GPIO_B1_14_USDHC1_VSELECT 0xB069
> + MXRT1050_IOMUXC_GPIO_SD_B0_00_USDHC1_CMD 0x17061
> + MXRT1050_IOMUXC_GPIO_SD_B0_01_USDHC1_CLK 0x17061
> + MXRT1050_IOMUXC_GPIO_SD_B0_05_USDHC1_DATA3 0x17061
> + MXRT1050_IOMUXC_GPIO_SD_B0_04_USDHC1_DATA2 0x17061
> + MXRT1050_IOMUXC_GPIO_SD_B0_03_USDHC1_DATA1 0x17061
> + MXRT1050_IOMUXC_GPIO_SD_B0_02_USDHC1_DATA0 0x17061
> + >;
> + };
> +};
> +
> +&usdhc1 {
> + pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
> + pinctrl-0 = <&pinctrl_usdhc0>;
> + pinctrl-1 = <&pinctrl_usdhc0>;
> + pinctrl-2 = <&pinctrl_usdhc0>;
> + pinctrl-3 = <&pinctrl_usdhc0>;
> + cd-gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;
> + status = "okay";
> +};
> diff --git a/arch/arm/boot/dts/imxrt1050.dtsi b/arch/arm/boot/dts/imxrt1050.dtsi
> new file mode 100644
> index 000000000000..35943a6896fa
> --- /dev/null
> +++ b/arch/arm/boot/dts/imxrt1050.dtsi
> @@ -0,0 +1,165 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (C) 2019
> + * Author(s): Giulio Benetti <giulio.benetti@...ettiengineering.com>
> + */
> +
> +#include "armv7-m.dtsi"
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/clock/imxrt1050-clock.h>
> +#include <dt-bindings/gpio/gpio.h>
> +
> +/ {
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + clocks {
> + osc: osc {
> + compatible = "fsl,imx-osc", "fixed-clock";
fsl,imx-osc is not documented. IMO, just drop it.
> + #clock-cells = <0>;
> + clock-frequency = <24000000>;
> + };
> + };
> +
> + cpus {
> + #address-cells = <0x01>;
> + #size-cells = <0x00>;
> +
> + cpu@0 {
> + compatible = "arm,cortex-m7";
Not documented.
Please run schema validation checks and don't add any new warnings not
already present for i.MX.
> + device_type = "cpu";
> + reg = <0x00>;
> + };
> + };
> +
> + soc {
> + lpuart1: serial@...84000 {
> + compatible = "fsl,imxrt1050-lpuart","fsl,imx8mm-uart", "fsl,imx6q-uart";
space ^
> + reg = <0x40184000 0x4000>;
> + interrupts = <20>;
> + clocks = <&clks IMXRT1050_CLK_LPUART1>;
> + clock-names = "ipg";
> + status = "disabled";
> + };
> +
> + iomuxc: iomuxc@...f8000 {
pinctrl@...
> + compatible = "fsl,imxrt1050-iomuxc";
> + reg = <0x401f8000 0x4000>;
> + fsl,mux_mask = <0x7>;
> + };
> +
> + anatop: anatop@...d8000 {
> + compatible = "fsl,imxrt-anatop";
> + reg = <0x400d8000 0x4000>;
> + };
> +
> + clks: ccm@...fc000 {
clock-controller@...
> + compatible = "fsl,imxrt1050-ccm";
> + reg = <0x400fc000 0x4000>;
> + interrupts = <95>, <96>;
> + clocks = <&osc>;
> + clock-names = "osc";
> + #clock-cells = <1>;
> + assigned-clocks = <&clks IMXRT1050_CLK_PLL1_BYPASS>,
> + <&clks IMXRT1050_CLK_PLL1_BYPASS>,
> + <&clks IMXRT1050_CLK_PLL2_BYPASS>,
> + <&clks IMXRT1050_CLK_PLL3_BYPASS>,
> + <&clks IMXRT1050_CLK_PLL3_PFD1_664_62M>,
> + <&clks IMXRT1050_CLK_PLL2_PFD2_396M>;
> + assigned-clock-parents = <&clks IMXRT1050_CLK_PLL1_REF_SEL>,
> + <&clks IMXRT1050_CLK_PLL1_ARM>,
> + <&clks IMXRT1050_CLK_PLL2_SYS>,
> + <&clks IMXRT1050_CLK_PLL3_USB_OTG>,
> + <&clks IMXRT1050_CLK_PLL3_USB_OTG>,
> + <&clks IMXRT1050_CLK_PLL2_SYS>;
> + };
> +
> + edma1: dma-controller@...e8000 {
> + #dma-cells = <2>;
> + compatible = "fsl,imx7ulp-edma";
> + reg = <0x400e8000 0x4000>,
> + <0x400ec000 0x4000>;
> + dma-channels = <32>;
> + interrupts = <0>, <1>, <2>, <3>, <4>, <5>, <6>, <7>, <8>,
> + <9>, <10>, <11>, <12>, <13>, <14>, <15>, <16>;
> + clock-names = "dma", "dmamux0";
> + clocks = <&clks IMXRT1050_CLK_DMA>,
> + <&clks IMXRT1050_CLK_DMA_MUX>;
> + };
> +
> + usdhc1: mmc@...c0000 {
> + compatible ="fsl,imxrt1050-usdhc";
> + reg = <0x402c0000 0x4000>;
> + interrupts = <110>;
> + clocks = <&clks IMXRT1050_CLK_IPG_PDOF>,
> + <&clks IMXRT1050_CLK_OSC>,
> + <&clks IMXRT1050_CLK_USDHC1>;
> + clock-names = "ipg", "ahb", "per";
> + bus-width = <4>;
> + fsl,wp-controller;
> + no-1-8-v;
> + max-frequency = <4000000>;
> + fsl,tuning-start-tap = <20>;
> + fsl,tuning-step= <2>;
> + status = "disabled";
> + };
> +
> + gpio1: gpio@...b8000 {
> + compatible = "fsl,imxrt-gpio", "fsl,imx35-gpio";
Not SoC specific?
> + reg = <0x401b8000 0x4000>;
> + interrupts = <80>, <81>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> +
> + gpio2: gpio@...bc000 {
> + compatible = "fsl,imxrt-gpio", "fsl,imx35-gpio";
> + reg = <0x401bc000 0x4000>;
> + interrupts = <82>, <83>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> +
> + gpio3: gpio@...c0000 {
> + compatible = "fsl,imxrt-gpio", "fsl,imx35-gpio";
> + reg = <0x401c0000 0x4000>;
> + interrupts = <84>, <85>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> +
> + gpio4: gpio@...c4000 {
> + compatible = "fsl,imxrt-gpio", "fsl,imx35-gpio";
> + reg = <0x401c4000 0x4000>;
> + interrupts = <86>, <87>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> +
> + gpio5: gpio@...c0000 {
> + compatible = "fsl,imxrt-gpio", "fsl,imx35-gpio";
> + reg = <0x400c0000 0x4000>;
> + interrupts = <88>, <89>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> +
> + gpt: timer@...ec000 {
> + compatible = "fsl,imxrt1050-gpt", "fsl,imx6dl-gpt", "fsl,imx6sl-gpt";
> + reg = <0x401ec000 0x4000>;
> + interrupts = <100>;
> + clocks = <&clks IMXRT1050_CLK_GPT>;
> + clock-names = "per";
> + };
> + };
> +};
> --
> 2.34.0
>
>
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