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Message-Id: <20230605-ep93xx-v3-36-3d63a5f1103e@maquefel.me> Date: Thu, 20 Jul 2023 14:29:36 +0300 From: Nikita Shubin via B4 Relay <devnull+nikita.shubin.maquefel.me@...nel.org> To: Hartley Sweeten <hsweeten@...ionengravers.com>, Lennert Buytenhek <kernel@...tstofly.org>, Alexander Sverdlin <alexander.sverdlin@...il.com>, Russell King <linux@...linux.org.uk>, Lukasz Majewski <lukma@...x.de>, Linus Walleij <linus.walleij@...aro.org>, Bartosz Golaszewski <brgl@...ev.pl>, Rob Herring <robh+dt@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>, Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, Nikita Shubin <nikita.shubin@...uefel.me>, Daniel Lezcano <daniel.lezcano@...aro.org>, Thomas Gleixner <tglx@...utronix.de>, Alessandro Zummo <a.zummo@...ertech.it>, Alexandre Belloni <alexandre.belloni@...tlin.com>, Wim Van Sebroeck <wim@...ux-watchdog.org>, Guenter Roeck <linux@...ck-us.net>, Sebastian Reichel <sre@...nel.org>, Thierry Reding <thierry.reding@...il.com>, Uwe Kleine-König <u.kleine-koenig@...gutronix.de>, Mark Brown <broonie@...nel.org>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Vinod Koul <vkoul@...nel.org>, Miquel Raynal <miquel.raynal@...tlin.com>, Richard Weinberger <richard@....at>, Vignesh Raghavendra <vigneshr@...com>, Damien Le Moal <dlemoal@...nel.org>, Sergey Shtylyov <s.shtylyov@....ru>, Dmitry Torokhov <dmitry.torokhov@...il.com>, Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>, soc@...nel.org, Liam Girdwood <lgirdwood@...il.com>, Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, Andy Shevchenko <andy@...nel.org>, Michael Peters <mpeters@...eddedTS.com>, Kris Bahnsen <kris@...eddedTS.com> Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org, devicetree@...r.kernel.org, linux-clk@...r.kernel.org, linux-rtc@...r.kernel.org, linux-watchdog@...r.kernel.org, linux-pm@...r.kernel.org, linux-pwm@...r.kernel.org, linux-spi@...r.kernel.org, netdev@...r.kernel.org, dmaengine@...r.kernel.org, linux-mtd@...ts.infradead.org, linux-ide@...r.kernel.org, linux-input@...r.kernel.org, alsa-devel@...a-project.org Subject: [PATCH v3 36/42] ARM: ep93xx: DT for the Cirrus ep93xx SoC platforms From: Nikita Shubin <nikita.shubin@...uefel.me> This adds compulsory device tree support to the Cirrus ep93xx ARMv4 platform. - We select PINCTRL_EP93xx - We select COMMON_CLK_EP93XX, as clock driver moved out of platform code - We select ARCH_HAS_RESET_CONTROLLER And also we need ARM_ATAG_DTB_COMPAT to update device tree with information about memory passed from bootloader. We have to leave all MACH options as they are used for board checking before decomp, to turn off watchdog and ethernet DMA. Signed-off-by: Nikita Shubin <nikita.shubin@...uefel.me> --- arch/arm/Makefile | 1 - arch/arm/mach-ep93xx/Kconfig | 20 ++++++++++---------- arch/arm/mach-ep93xx/Makefile | 11 ----------- 3 files changed, 10 insertions(+), 22 deletions(-) diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 547e5856eaa0..0e3d637cae6c 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -179,7 +179,6 @@ machine-$(CONFIG_ARCH_CLPS711X) += clps711x machine-$(CONFIG_ARCH_DAVINCI) += davinci machine-$(CONFIG_ARCH_DIGICOLOR) += digicolor machine-$(CONFIG_ARCH_DOVE) += dove -machine-$(CONFIG_ARCH_EP93XX) += ep93xx machine-$(CONFIG_ARCH_EXYNOS) += exynos machine-$(CONFIG_ARCH_FOOTBRIDGE) += footbridge machine-$(CONFIG_ARCH_GEMINI) += gemini diff --git a/arch/arm/mach-ep93xx/Kconfig b/arch/arm/mach-ep93xx/Kconfig index 703f3d232a60..812b71dcf60e 100644 --- a/arch/arm/mach-ep93xx/Kconfig +++ b/arch/arm/mach-ep93xx/Kconfig @@ -3,27 +3,27 @@ menuconfig ARCH_EP93XX bool "EP93xx-based" depends on ATAGS depends on ARCH_MULTI_V4T + # CONFIG_ARCH_MULTI_V7 is not set depends on CPU_LITTLE_ENDIAN + select ARCH_HAS_RESET_CONTROLLER select ARCH_SPARSEMEM_ENABLE select ARM_AMBA select ARM_VIC + select ARM_APPENDED_DTB # Old Redboot bootloaders deployed + select ARM_ATAG_DTB_COMPAT # we need this to update dt memory node + select COMMON_CLK_EP93XX + select EP93XX_TIMER select CLKSRC_MMIO select CPU_ARM920T select GPIOLIB + select PINCTRL + select PINCTRL_EP93XX help This enables support for the Cirrus EP93xx series of CPUs. if ARCH_EP93XX -menu "Cirrus EP93xx Implementation Options" - -config EP93XX_SOC_COMMON - bool - default y - select SOC_BUS - select LEDS_GPIO_REGISTER - -comment "EP93xx Platforms" +# menu "EP93xx Platforms" config MACH_BK3 bool "Support Liebherr BK3.1" @@ -103,6 +103,6 @@ config MACH_VISION_EP9307 Say 'Y' here if you want your kernel to support the Vision Engraving Systems EP9307 SoM. -endmenu +# endmenu endif diff --git a/arch/arm/mach-ep93xx/Makefile b/arch/arm/mach-ep93xx/Makefile deleted file mode 100644 index 62e37403df14..000000000000 --- a/arch/arm/mach-ep93xx/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -# -# Makefile for the linux kernel. -# -obj-y := core.o clock.o timer-ep93xx.o - -obj-$(CONFIG_EP93XX_DMA) += dma.o - -obj-$(CONFIG_MACH_EDB93XX) += edb93xx.o -obj-$(CONFIG_MACH_TS72XX) += ts72xx.o -obj-$(CONFIG_MACH_VISION_EP9307)+= vision_ep9307.o -- 2.39.2
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