From 261dcfad1b59efd0e77b014ff963b6fe1ada260b Mon Sep 17 00:00:00 2001 From: Ryan Wanner Date: Tue, 7 Jan 2025 09:07:26 -0700 Subject: [PATCH 1/2] ARM: dts: microchip: add sama7d65 SoC DT Add Device Tree for sama7d65 SoC. Co-developed-by: Dharma Balasubiramani Signed-off-by: Dharma Balasubiramani Co-developed-by: Romain Sioen Signed-off-by: Romain Sioen Co-developed-by: Varshini Rajendran Signed-off-by: Varshini Rajendran Signed-off-by: Ryan Wanner Reviewed-by: Claudiu Beznea Link: https://lore.kernel.org/r/20250107160850.120537-5-Ryan.Wanner@microchip.com [claudiu.beznea: dropped comma typo from copyright, dropped space in front of slow_xtal node, dropped empty space after slow_xtal node] Signed-off-by: Claudiu Beznea --- arch/arm/boot/dts/microchip/sama7d65.dtsi | 144 ++++++++++++++++++++++ 1 file changed, 144 insertions(+) create mode 100644 arch/arm/boot/dts/microchip/sama7d65.dtsi diff --git a/arch/arm/boot/dts/microchip/sama7d65.dtsi b/arch/arm/boot/dts/microchip/sama7d65.dtsi new file mode 100644 index 00000000000000..854b30d15dcd4a --- /dev/null +++ b/arch/arm/boot/dts/microchip/sama7d65.dtsi @@ -0,0 +1,144 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * sama7d65.dtsi - Device Tree Include file for SAMA7D65 SoC + * + * Copyright (C) 2024 Microchip Technology Inc. and its subsidiaries + * + * Author: Ryan Wanner + * + */ + +#include +#include +#include +#include +#include + +/ { + model = "Microchip SAMA7D65 family SoC"; + compatible = "microchip,sama7d65"; + #address-cells = <1>; + #size-cells = <1>; + interrupt-parent = <&gic>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu0: cpu@0 { + compatible = "arm,cortex-a7"; + reg = <0x0>; + device_type = "cpu"; + clocks = <&pmc PMC_TYPE_CORE PMC_CPUPLL>; + clock-names = "cpu"; + }; + }; + + clocks { + main_xtal: clock-mainxtal { + compatible = "fixed-clock"; + #clock-cells = <0>; + }; + + slow_xtal: clock-slowxtal { + compatible = "fixed-clock"; + #clock-cells = <0>; + }; + }; + + soc { + compatible = "simple-bus"; + ranges; + #address-cells = <1>; + #size-cells = <1>; + + pioa: pinctrl@e0014000 { + compatible = "microchip,sama7d65-pinctrl", "microchip,sama7g5-pinctrl"; + reg = <0xe0014000 0x800>; + interrupts = , + , + , + , + ; + clocks = <&pmc PMC_TYPE_PERIPHERAL 10>; + interrupt-controller; + #interrupt-cells = <2>; + gpio-controller; + #gpio-cells = <2>; + }; + + pmc: clock-controller@e0018000 { + compatible = "microchip,sama7d65-pmc", "syscon"; + reg = <0xe0018000 0x200>; + interrupts = ; + #clock-cells = <2>; + clocks = <&clk32k 1>, <&clk32k 0>, <&main_xtal>; + clock-names = "td_slck", "md_slck", "main_xtal"; + }; + + clk32k: clock-controller@e001d500 { + compatible = "microchip,sama7d65-sckc", "microchip,sam9x60-sckc"; + reg = <0xe001d500 0x4>; + clocks = <&slow_xtal>; + #clock-cells = <1>; + }; + + sdmmc1: mmc@e1208000 { + compatible = "microchip,sama7d65-sdhci", "microchip,sam9x60-sdhci"; + reg = <0xe1208000 0x400>; + interrupts = ; + clocks = <&pmc PMC_TYPE_PERIPHERAL 76>, <&pmc PMC_TYPE_GCK 76>; + clock-names = "hclock", "multclk"; + assigned-clocks = <&pmc PMC_TYPE_GCK 76>; + assigned-clock-rates = <200000000>; + assigned-clock-parents = <&pmc PMC_TYPE_CORE PMC_MCK1>; + status = "disabled"; + }; + + pit64b0: timer@e1800000 { + compatible = "microchip,sama7d65-pit64b", "microchip,sam9x60-pit64b"; + reg = <0xe1800000 0x100>; + interrupts = ; + clocks = <&pmc PMC_TYPE_PERIPHERAL 66>, <&pmc PMC_TYPE_GCK 66>; + clock-names = "pclk", "gclk"; + }; + + pit64b1: timer@e1804000 { + compatible = "microchip,sama7d65-pit64b", "microchip,sam9x60-pit64b"; + reg = <0xe1804000 0x100>; + interrupts = ; + clocks = <&pmc PMC_TYPE_PERIPHERAL 67>, <&pmc PMC_TYPE_GCK 67>; + clock-names = "pclk", "gclk"; + }; + + flx6: flexcom@e2020000 { + compatible = "microchip,sama7d65-flexcom", "atmel,sama5d2-flexcom"; + reg = <0xe2020000 0x200>; + ranges = <0x0 0xe2020000 0x800>; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&pmc PMC_TYPE_PERIPHERAL 40>; + status = "disabled"; + + uart6: serial@200 { + compatible = "microchip,sama7d65-usart", "atmel,at91sam9260-usart"; + reg = <0x200 0x200>; + interrupts = ; + clocks = <&pmc PMC_TYPE_PERIPHERAL 40>; + clock-names = "usart"; + atmel,usart-mode = ; + atmel,fifo-size = <16>; + status = "disabled"; + }; + }; + + gic: interrupt-controller@e8c11000 { + compatible = "arm,cortex-a7-gic"; + reg = <0xe8c11000 0x1000>, + <0xe8c12000 0x2000>; + #interrupt-cells = <3>; + #address-cells = <0>; + interrupt-controller; + }; + }; +}; From deaa14ab6b0610d052597c3f6114c3d9f0dc4c6c Mon Sep 17 00:00:00 2001 From: Romain Sioen Date: Tue, 7 Jan 2025 09:07:27 -0700 Subject: [PATCH 2/2] ARM: dts: microchip: add support for sama7d65_curiosity board Add device tree support for the SAMA7D65 Curiosity board. Update the Makefile to include the new device tree file. uart6 is related to flexcom6, hence not sorted in alphabetical order. Signed-off-by: Romain Sioen Signed-off-by: Varshini Rajendran Signed-off-by: Ryan Wanner Link: https://lore.kernel.org/r/20250107160850.120537-6-Ryan.Wanner@microchip.com [claudiu.beznea: moved chosen node after alias for aphanumerically sortage, added a space in front of for alignment] Signed-off-by: Claudiu Beznea --- arch/arm/boot/dts/microchip/Makefile | 3 + .../dts/microchip/at91-sama7d65_curiosity.dts | 89 +++++++++++++++++++ 2 files changed, 92 insertions(+) create mode 100644 arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts diff --git a/arch/arm/boot/dts/microchip/Makefile b/arch/arm/boot/dts/microchip/Makefile index 470fe46433a9b5..79cd38fdc7dab8 100644 --- a/arch/arm/boot/dts/microchip/Makefile +++ b/arch/arm/boot/dts/microchip/Makefile @@ -12,6 +12,7 @@ DTC_FLAGS_at91-sama5d2_xplained := -@ DTC_FLAGS_at91-sama5d3_eds := -@ DTC_FLAGS_at91-sama5d3_xplained := -@ DTC_FLAGS_at91-sama5d4_xplained := -@ +DTC_FLAGS_at91-sama7d65_curiosity := -@ DTC_FLAGS_at91-sama7g54_curiosity := -@ DTC_FLAGS_at91-sama7g5ek := -@ dtb-$(CONFIG_SOC_AT91RM9200) += \ @@ -90,6 +91,8 @@ dtb-$(CONFIG_SOC_SAM_V7) += \ at91-sama5d4_xplained.dtb \ at91-sama5d4ek.dtb \ at91-vinco.dtb +dtb-$(CONFIG_SOC_SAMA7D65) += \ + at91-sama7d65_curiosity.dtb dtb-$(CONFIG_SOC_SAMA7G5) += \ at91-sama7g54_curiosity.dtb \ at91-sama7g5ek.dtb diff --git a/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts b/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts new file mode 100644 index 00000000000000..0f86360fb733ad --- /dev/null +++ b/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts @@ -0,0 +1,89 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * at91-sama7d65_curiosity.dts - Device Tree file for SAMA7D65 Curiosity board + * + * Copyright (c) 2024 Microchip Technology Inc. and its subsidiaries + * + * Author: Romain Sioen + * + */ +/dts-v1/; +#include "sama7d65-pinfunc.h" +#include "sama7d65.dtsi" +#include +#include + +/ { + model = "Microchip SAMA7D65 Curiosity"; + compatible = "microchip,sama7d65-curiosity", "microchip,sama7d65", + "microchip,sama7d6", "microchip,sama7"; + + aliases { + serial0 = &uart6; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + memory@60000000 { + device_type = "memory"; + reg = <0x60000000 0x40000000>; + }; +}; + +&flx6 { + atmel,flexcom-mode = ; + status = "okay"; +}; + +&uart6 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart6_default>; + status = "okay"; +}; + +&main_xtal { + clock-frequency = <24000000>; +}; + +&pioa { + pinctrl_sdmmc1_default: sdmmc1-default { + cmd-data { + pinmux = , + , + , + , + ; + slew-rate = <0>; + bias-disable; + }; + + ck-cd-rstn-vddsel { + pinmux = , + , + , + , + ; + slew-rate = <0>; + bias-disable; + }; + }; + + pinctrl_uart6_default: uart6-default { + pinmux = , + ; + bias-disable; + }; +}; + +&sdmmc1 { + bus-width = <4>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sdmmc1_default>; + status = "okay"; +}; + +&slow_xtal { + clock-frequency = <32768>; +};