[PATCH 12/13] ARM: at91: remove samv7 support
From: Arnd Bergmann <arnd@kernel.org>
Date: 2026-09-08 15:30:37
Also in:
imx, linux-arm-kernel, linux-devicetree, linux-omap, lkml
Subsystem:
arm port, arm/microchip (at91) soc support, the rest · Maintainers:
Russell King, Nicolas Ferre, Alexandre Belloni, Claudiu Beznea, Linus Torvalds
From: Arnd Bergmann <arnd@arndb.de> The Atmel at91 line, now known as Microchip SAM contains both SoCs using ARM926 and Cortex-A CPUs as well as a number of microcontrollers. Only a single one of those MCUs currently has Linux support, and has no known users. The samv7 platform was deprecated in Linux-7.3LTS, which will remain supported a while longer after it is gone from mainline. Cc: Nicolas Ferre <nicolas.ferre@microchip.com> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: Claudiu Beznea <claudiu.beznea@tuxon.dev> Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- arch/arm/Kconfig.debug | 10 ---------- arch/arm/mach-at91/Kconfig | 11 +---------- arch/arm/mach-at91/Makefile | 1 - arch/arm/mach-at91/samv7.c | 17 ----------------- drivers/soc/atmel/soc.c | 36 ------------------------------------ 5 files changed, 1 insertion(+), 74 deletions(-) delete mode 100644 arch/arm/mach-at91/samv7.c
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 3d5f2e41eef1..b27e581a53d4 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug@@ -190,15 +190,6 @@ choice Say Y here if you want kernel low-level debugging support on the USART3 port of sama5d4. - config DEBUG_AT91_SAMV7_USART1 - bool "Kernel low-level debugging via SAMV7 USART1" - select DEBUG_AT91_UART - depends on SOC_SAMV7 - help - Say Y here if you want the debug print routines to direct - their output to the USART1 port on SAMV7 based - machines. - config DEBUG_AT91_SAMA7G5_FLEXCOM3 bool "Kernel low-level debugging on SAMA7G5 FLEXCOM3" select DEBUG_AT91_UART
@@ -1504,7 +1495,6 @@ config DEBUG_UART_PHYS default 0x3e000000 if DEBUG_BCM_KONA_UART default 0x3f201000 if DEBUG_BCM2836 default 0x40010000 if STM32MP1_DEBUG_UART - default 0x40028000 if DEBUG_AT91_SAMV7_USART1 default 0x40090000 if DEBUG_LPC32XX default 0x40100000 if DEBUG_PXA_UART1 default 0x42000000 if DEBUG_GEMINI
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index cb0e3ff8e0ca..3df1165d159b 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig@@ -5,7 +5,7 @@ config ARCH_MICROCHIP menuconfig ARCH_AT91 bool "AT91/Microchip SoCs" depends on (CPU_LITTLE_ENDIAN && (ARCH_MULTI_V4T || ARCH_MULTI_V5)) || \ - ARCH_MULTI_V7 || ARM_SINGLE_ARMV7M + ARCH_MULTI_V7 select ARM_CPU_SUSPEND if PM && ARCH_MULTI_V7 select COMMON_CLK_AT91 select GPIOLIB
@@ -14,15 +14,6 @@ menuconfig ARCH_AT91 select ARCH_MICROCHIP if ARCH_AT91 -config SOC_SAMV7 - bool "SAM Cortex-M7 family (DEPRECATED)" if ARM_SINGLE_ARMV7M - select COMMON_CLK_AT91 - select PINCTRL_AT91 - help - Select this if you are using an SoC from Microchip's SAME7, SAMS7 or SAMV7 - families. - - This platform is scheduled for removal in early 2027 config SOC_SAMA5D2 bool "SAMA5D2 family"
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 7d8a7bc44e65..8c964e182284 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile@@ -10,7 +10,6 @@ obj-$(CONFIG_SOC_SAM9X60) += sam9x60.o obj-$(CONFIG_SOC_SAM9X7) += sam9x7.o obj-$(CONFIG_SOC_SAMA5) += sama5.o sam_secure.o obj-$(CONFIG_SOC_SAMA7) += sama7.o -obj-$(CONFIG_SOC_SAMV7) += samv7.o # Power Management obj-$(CONFIG_ATMEL_PM) += pm.o pm_suspend.o
diff --git a/arch/arm/mach-at91/samv7.c b/arch/arm/mach-at91/samv7.c
deleted file mode 100644
index 22d00005ec09..000000000000
--- a/arch/arm/mach-at91/samv7.c
+++ /dev/null@@ -1,17 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Setup code for SAMv7x - * - * Copyright (C) 2013 Atmel, - * 2016 Andras Szemzo <szemzo.andras@gmail.com> - */ -#include <asm/mach/arch.h> - -static const char *const samv7_dt_board_compat[] __initconst = { - "atmel,samv7", - NULL -}; - -DT_MACHINE_START(samv7_dt, "Atmel SAMV7") - .dt_compat = samv7_dt_board_compat, -MACHINE_END
diff --git a/drivers/soc/atmel/soc.c b/drivers/soc/atmel/soc.c
index d89f9dcade7d..e276f86326ec 100644
--- a/drivers/soc/atmel/soc.c
+++ b/drivers/soc/atmel/soc.c@@ -210,41 +210,6 @@ static const struct at91_soc socs[] __initconst = { AT91_CIDR_VERSION_MASK, SAMA5D44_EXID_MATCH, "sama5d44", "sama5d4"), #endif -#ifdef CONFIG_SOC_SAMV7 - AT91_SOC(SAME70Q21_CIDR_MATCH, AT91_CIDR_MATCH_MASK, - AT91_CIDR_VERSION_MASK, SAME70Q21_EXID_MATCH, - "same70q21", "same7"), - AT91_SOC(SAME70Q20_CIDR_MATCH, AT91_CIDR_MATCH_MASK, - AT91_CIDR_VERSION_MASK, SAME70Q20_EXID_MATCH, - "same70q20", "same7"), - AT91_SOC(SAME70Q19_CIDR_MATCH, AT91_CIDR_MATCH_MASK, - AT91_CIDR_VERSION_MASK, SAME70Q19_EXID_MATCH, - "same70q19", "same7"), - AT91_SOC(SAMS70Q21_CIDR_MATCH, AT91_CIDR_MATCH_MASK, - AT91_CIDR_VERSION_MASK, SAMS70Q21_EXID_MATCH, - "sams70q21", "sams7"), - AT91_SOC(SAMS70Q20_CIDR_MATCH, AT91_CIDR_MATCH_MASK, - AT91_CIDR_VERSION_MASK, SAMS70Q20_EXID_MATCH, - "sams70q20", "sams7"), - AT91_SOC(SAMS70Q19_CIDR_MATCH, AT91_CIDR_MATCH_MASK, - AT91_CIDR_VERSION_MASK, SAMS70Q19_EXID_MATCH, - "sams70q19", "sams7"), - AT91_SOC(SAMV71Q21_CIDR_MATCH, AT91_CIDR_MATCH_MASK, - AT91_CIDR_VERSION_MASK, SAMV71Q21_EXID_MATCH, - "samv71q21", "samv7"), - AT91_SOC(SAMV71Q20_CIDR_MATCH, AT91_CIDR_MATCH_MASK, - AT91_CIDR_VERSION_MASK, SAMV71Q20_EXID_MATCH, - "samv71q20", "samv7"), - AT91_SOC(SAMV71Q19_CIDR_MATCH, AT91_CIDR_MATCH_MASK, - AT91_CIDR_VERSION_MASK, SAMV71Q19_EXID_MATCH, - "samv71q19", "samv7"), - AT91_SOC(SAMV70Q20_CIDR_MATCH, AT91_CIDR_MATCH_MASK, - AT91_CIDR_VERSION_MASK, SAMV70Q20_EXID_MATCH, - "samv70q20", "samv7"), - AT91_SOC(SAMV70Q19_CIDR_MATCH, AT91_CIDR_MATCH_MASK, - AT91_CIDR_VERSION_MASK, SAMV70Q19_EXID_MATCH, - "samv70q19", "samv7"), -#endif #ifdef CONFIG_SOC_SAMA7 AT91_SOC(SAMA7D65_CIDR_MATCH, AT91_CIDR_MASK_SAMA7G5, AT91_CIDR_VERSION_MASK_SAMA7G5, SAMA7D65_EXID_MATCH,
@@ -396,7 +361,6 @@ static const struct of_device_id at91_soc_allowed_list[] __initconst = { { .compatible = "atmel,at91rm9200", }, { .compatible = "atmel,at91sam9", }, { .compatible = "atmel,sama5", }, - { .compatible = "atmel,samv7", }, { .compatible = "microchip,sama7d65", }, { .compatible = "microchip,sama7g5", }, { }
--
2.53.0