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2019-05-21treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner1-0/+1
Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-24ARM: rockchip: Force CONFIG_PM on Rockchip systemsMarc Zyngier1-0/+1
A number of the Rockchip-specific drivers (IOMMU, display controllers) are now assuming that CONFIG_PM is set, and may completely misbehave if that's not the case. Since there is hardly any reason for this configuration option not to be selected anyway, let's require it (in the same way Tegra already does). Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Olof Johansson <olof@lixom.net>
2018-05-09arch: define the ARCH_DMA_ADDR_T_64BIT config symbol in lib/KconfigChristoph Hellwig1-1/+0
Define this symbol if the architecture either uses 64-bit pointers or the PHYS_ADDR_T_64BIT is set. This covers 95% of the old arch magic. We only need an additional select for Xen on ARM (why anyway?), and we now always set ARCH_DMA_ADDR_T_64BIT on mips boards with 64-bit physical addressing instead of only doing it when highmem is set. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: James Hogan <jhogan@kernel.org>
2017-08-06ARM: rockchip: select ARCH_DMA_ADDR_T_64BIT for LPAETao Huang1-0/+1
Rockchip RK3288 has some 64-bit capable DMA and therefore needs dma_addr_t to be a 64-bit size. One user is the Mali GPU. Signed-off-by: Tao Huang <huangtao@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2017-08-01ARM: rockchip: enable ZONE_DMA for non 64-bit capable peripheralsTao Huang1-0/+1
Most IP cores on ARM Rockchip platforms can only address 32 bits of physical memory for DMA. Thus ZONE_DMA should be enabled when LPAE is activated. Signed-off-by: Tao Huang <huangtao@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-06-03ARM: do away with ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIBLinus Walleij1-1/+1
This replaces: - "select ARCH_REQUIRE_GPIOLIB" with "select GPIOLIB" as this can now be selected directly. - "select ARCH_WANT_OPTIONAL_GPIOLIB" with no dependency: GPIOLIB is now selectable by everyone, so we need not declare our intent to select it. When ordering the symbols the following rationale was used: if the selects were in alphabetical order, I moved select GPIOLIB to be in alphabetical order, but if the selects were not maintained in alphabetical order, I just replaced "select ARCH_REQUIRE_GPIOLIB" with "select GPIOLIB". Cc: Michael Büsch <m@bues.ch> Cc: arm@kernel.org Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Olof Johansson <olof@lixom.net>
2015-12-01ARM: use "depends on" for SoC configs instead of "if" after promptMasahiro Yamada1-1/+2
Many ARM sub-architectures use prompts followed by "if" conditional, but it is wrong. Please notice the difference between config ARCH_FOO bool "Foo SoCs" if ARCH_MULTI_V7 and config ARCH_FOO bool "Foo SoCs" depends on ARCH_MULTI_V7 These two are *not* equivalent! In the former statement, it is not ARCH_FOO, but its prompt that depends on ARCH_MULTI_V7. So, it is completely valid that ARCH_FOO is selected by another, but ARCH_MULTI_V7 is still disabled. As it is not unmet dependency, Kconfig never warns. This is probably not what you want. The former should be used only when you need to do so, and you really understand what you are doing. (In most cases, it should be wrong!) For enabling/disabling sub-architectures, the latter is always correct. As a good side effect, this commit fixes some entries over 80 columns (mach-imx, mach-integrator, mach-mbevu). [Arnd: I note that there is not really a bug here, according to the discussion that followed, but I can see value in being consistent and in making the lines shorter] Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Patrice Chotard <patrice.chotard@st.com> Acked-by: Liviu Dudau <Liviu.Dudau@arm.com> Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Acked-by: Jun Nie <jun.nie@linaro.org> Acked-by: Matthias Brugger <matthias.bgg@gmail.com> Acked-by: Simon Horman <horms+renesas@verge.net.au> Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Acked-by: Shawn Guo <shawnguo@kernel.org> Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Acked-by: Thierry Reding <treding@nvidia.com> Acked-by: Krzysztof Halasa <khc@piap.pl> Acked-by: Maxime Coquelin <maxime.coquelin@st.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-02-18ARM: rockchip: force built-in regulator support for PMArnd Bergmann1-0/+1
The rockchips suspend/resume code requires regulators to work, and gives a compile-time error if they are not available: arch/arm/mach-rockchip/built-in.o: In function `rk3288_suspend_finish': :(.text+0x146): undefined reference to `regulator_suspend_finish' arch/arm/mach-rockchip/built-in.o: In function `rk3288_suspend_prepare': :(.text+0x18e): undefined reference to `regulator_suspend_prepare' To solve this, we now enable regulators whenever they are needed, which is what we do on a lot of other platforms as well. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-01-29clockevents: rockchip: Add rockchip timer for rk3288Daniel Lezcano1-0/+1
The rk3288 board uses the architected timers and these ones are shutdown when the cpu is powered down. There is a need of a broadcast timer in this case to ensure proper wakeup when the cpus are in sleep mode and a timer expires. This driver provides the basic timer functionnality as a backup for the local timers at sleep time. The timer belongs to the alive subsystem. It includes two programmables 64 bits timer channels but the driver only uses 32bits. It works with two operations mode: free running and user defined count. Programing sequence: 1. Timer initialization: * Disable the timer by writing '0' to the CONTROLREG register * Program the timer mode by writing the mode to the CONTROLREG register * Set the interrupt mask 2. Setting the count value: * Load the count value to the registers COUNT0 and COUNT1 (not used). 3. Enable the timer * Write '1' to the CONTROLREG register with the mode (free running or user) Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Reviewed-by: Heiko Stuebner <heiko@sntech.de>
2014-09-02ARM: rockchip: enable the AMBA busHeiko Stübner1-0/+1
This is needed to access the pl330 dma controllers on Rockchip SoCs. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Doug Anderson <dianders@chromium.org> Tested-by: Kever Yang <kever.yang@rock-chips.com>
2014-07-26ARM: rockchip: enable support for RK3288 SoCsHeiko Stuebner1-0/+1
Enable HAVE_ARM_ARCH_TIMER and add a rockchip,rk3288 compatible. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Tested-by: Will Deacon <will.deacon@arm.com> Reviewed-by: Doug Anderson <dianders@chromium.org> Tested-by: Doug Anderson <dianders@chromium.org> Acked-by: Arnd Bergmann <arnd@arndb.de>
2014-07-13ARM: rockchip: Select ARCH_HAS_RESET_CONTROLLERHeiko Stübner1-0/+1
All known Rockchip SoCs have a reset controller in their CRUs, so it's helpful to have the reset controller framework selected by default, only be deselected by the user in special cases. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Acked-By: Max Schwarz <max.schwarz@online.de> Tested-By: Max Schwarz <max.schwarz@online.de> Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-03-09Merge tag 'imx-soc-3.15' of git://git.linaro.org/people/shawnguo/linux-2.6 ↵Olof Johansson1-3/+0
into next/soc i.MX SoC changes for 3.15 from Shawn Guo: - Support suspend from ocram (DDR IO floating) for imx6 platforms - Add cpuidle support for imx6sl - Sparse warning fixes for imx6sl and vf610 clock code - Remove PWM platform code - Support ptp and rmii clock from pad - Support WEIM CS GPR configuration - Random cleanups and defconfig updates * tag 'imx-soc-3.15' of git://git.linaro.org/people/shawnguo/linux-2.6: (373 commits) ARM: imx6: drop .text.head section annotation from headsmp.S ARM: imx6: build suspend-imx6.o with CONFIG_SOC_IMX6 ARM: imx6: rename pm-imx6q.c to pm-imx6.c ARM: imx6: introduce CONFIG_SOC_IMX6 for i.MX6 common stuff ARM: imx6: do not call imx6q_suspend_init() with !CONFIG_SUSPEND ARM: imx6: call suspend_set_ops() from suspend routine ARM: imx6: build headsmp.o only on CONFIG_SMP ARM: imx6: move v7_cpu_resume() into suspend-imx6.S ARM i.MX6q: Mark VPU and IPU AXI transfers as cacheable, increase IPU priority ARM: imx6q: Add GPR6 and GPR7 register definitions for iomuxc gpr bus: imx-weim: support CS GPR configuration ARM: mach-imx: Kconfig: Remove IMX_HAVE_PLATFORM_IMX2_WDT from SOC_IMX53 ARM: imx_v6_v7_defconfig: Select CONFIG_DEBUG_FS ARM: mach-imx: Select CONFIG_SRAM at ARCH_MXC level ARM: imx: add speed grading check for i.mx6 soc ARM: imx: avoid calling clk APIs in idle thread which may cause schedule ARM: imx6q: support ptp and rmii clock from pad ARM: imx6q: remove unneeded clk lookups ARM: imx_v6_v7_defconfig: Select CONFIG_MMC_UNSAFE_RESUME ARM: imx_v4_v5_defconfig: Select CONFIG_MMC_UNSAFE_RESUME ...
2014-03-01ARM: rockchip: add snoop-control-unitHeiko Stuebner1-0/+1
This adds the device-node and config select to enable the scu in all Rockchip Cortex-A9 SoCs. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Tested-by: Ulrich Prinz <ulrich.prinz@googlemail.com>
2014-02-19ARM: select HAVE_SMP for V7 multi-platformRob Herring1-1/+0
All V7 platforms can run SMP kernels, so make CONFIG_SMP visible for V7 multi-platform builds. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Stephen Warren <swarren@nvidia.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
2014-02-19ARM: centralize common multi-platform kconfig optionsRob Herring1-2/+0
Multi-platform requires various kconfig options to be selected, so platforms don't need to select them individually. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Cc: Russell King <linux@arm.linux.org.uk> Acked-by: Stephen Warren <swarren@nvidia.com> Tested-by: Stephen Warren <swarren@wwwdotorg.org> Acked-by: Arnd Bergmann <arnd@arndb.de>
2013-11-11Merge tag 'boards-for-linus' of ↵Linus Torvalds1-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC board updates from Olof Johansson: "Board-related updates. This branch is getting smaller and smaller, which is the whole idea so that's reassuring. Right now by far most of the code is related to shmobile updates, and they are now switching over to removal of board code and migration to multiplatform, so we'll see their board code base shrink in the near future too, I hope. In addition to that is some defconfig updates, some display updates for OMAP and a bit of new board support for Rockchip boards" * tag 'boards-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (56 commits) ARM: rockchip: add support for rk3188 and Radxa Rock board ARM: rockchip: add dts for bqcurie2 tablet ARM: rockchip: enable arm-global-timer ARM: rockchip: move shared dt properties to common source file ARM: OMAP2+: display: Create omap_vout device inside omap_display_init ARM: OMAP2+: display: Create omapvrfb and omapfb devices inside omap_display_init ARM: OMAP2+: display: Create omapdrm device inside omap_display_init ARM: OMAP2+: drm: Don't build device for DMM ARM: tegra: defconfig updates RX-51: Add support for OMAP3 ROM Random Number Generator ARM: OMAP3: RX-51: ARM errata 430973 workaround ARM: OMAP3: Add secure function omap_smc3() which calling instruction smc #1 ARM: shmobile: marzen: enable INTC IRQ ARM: shmobile: bockw: add SMSC support on reference ARM: shmobile: Use SMP on Koelsch ARM: shmobile: Remove KZM9D reference DTS ARM: shmobile: Let KZM9D multiplatform boot with KZM9D DTB ARM: shmobile: Remove non-multiplatform KZM9D reference support ARM: shmobile: Use KZM9D without reference for multiplatform ARM: shmobile: Sync KZM9D DTS with KZM9D reference DTS ...
2013-10-14ARM: rockchip: enable arm-global-timerHeiko Stuebner1-0/+2
RK2928 and RK3066 contain a dw_apb timer component, while the rk3188 uses a slightly similar but still different timer component. But all of them support the ARM-global-timer that got added as clocksource driver recently. So enable support for it to get a working clocksource for rk3188. Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2013-10-14ARM: rockchip: fix wrong use of non-existent CONFIG_LOCAL_TIMERSHeiko Stuebner1-2/+1
CONFIG_LOCAL_TIMERS was removed in february, so the twd never gets selected. Fix this by making the twd depend on SMP directly. Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2013-06-21arm: add basic support for Rockchip RK3066a boardsHeiko Stuebner1-0/+16
This adds a generic devicetree board file and a dtsi for boards based on the RK3066a SoCs from Rockchip. Apart from the generic parts (gic, clocks, pinctrl) the only components currently supported are the timers, uarts and mmc ports (all DesignWare- based). Signed-off-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Olof Johansson <olof@lixom.net>