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2017-07-27ARM: shmobile: Remove ARCH_SHMOBILE_MULTIGeert Uytterhoeven1-4/+0
The migration from ARCH_SHMOBILE_MULTI to ARCH_RENESAS has been completed in v4.12 by commit 9ed2d4bc5c0c244d ("ARM: dts: renesas: Switch from ARCH_SHMOBILE_MULTI to ARCH_RENESAS"), so the ARCH_SHMOBILE_MULTI symbol can be removed. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-02-07clocksource/drivers/ostm: Add renesas-ostm timer driverChris Brandt1-0/+1
This patch adds a OSTM driver for the Renesas architecture. The OS Timer (OSTM) has independent channels that can be used as a freerun or interval times. This driver uses the first probed device as a clocksource and then any additional devices as clock events. Signed-off-by: Chris Brandt <chris.brandt@renesas.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2016-12-16Merge tag 'armsoc-drivers' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC driver updates from Arnd Bergmann: "Driver updates for ARM SoCs, including a couple of newly added drivers: - A new driver for the power management controller on TI Keystone - Support for the prerelease "SCPI" firmware protocol that ended up being shipped by Amlogic in their GXBB SoC. - A soc_device can now be matched using a glob from inside the kernel, when another driver wants to know the specific chip it is running on and cannot find out from DT, firmware or hardware. - Renesas SoCs now support identification through the soc_device interface, both in user space and kernel. - Renesas r8a7743 and r8a7745 gain support for their system controller - A new checking module for the ARM "PSCI" (not to be confused with "SCPI" mentioned above) firmware interface. - A new driver for the Tegra GMI memory interface - Support for the Tegra firmware interfaces with their power management controllers As usual, the updates for the reset controller framework are merged here, as they tend to touch multiple SoCs as well, including a new driver for the Oxford (now Broadcom) OX820 chip and the Tegra bpmp interface. The existing drivers for Atmel, Qualcomm, NVIDIA, TI Davinci, and Rockchips SoCs see some further updates" * tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (76 commits) misc: sram: remove useless #ifdef drivers: psci: Allow PSCI node to be disabled drivers: psci: PSCI checker module soc: renesas: Identify SoC and register with the SoC bus firmware: qcom: scm: Return PTR_ERR when devm_clk_get fails firmware: qcom: scm: Remove core, iface and bus clocks dependency dt-bindings: firmware: scm: Add MSM8996 DT bindings memory: da8xx-ddrctl: drop the call to of_flat_dt_get_machine_name() bus: da8xx-mstpri: drop the call to of_flat_dt_get_machine_name() ARM: shmobile: Document DT bindings for Product Register soc: renesas: rcar-sysc: add R8A7745 support reset: Add Tegra BPMP reset driver dt-bindings: firmware: Allow child nodes inside the Tegra BPMP dt-bindings: Add power domains to Tegra BPMP firmware firmware: tegra: Add BPMP support firmware: tegra: Add IVC library dt-bindings: firmware: Add bindings for Tegra BPMP mailbox: tegra-hsp: Use after free in tegra_hsp_remove_doorbells() mailbox: Add Tegra HSP driver firmware: arm_scpi: add support for pre-v1.0 SCPI compatible ...
2016-11-23soc: renesas: Identify SoC and register with the SoC busGeert Uytterhoeven1-0/+1
Identify the SoC type and revision, and register this information with the SoC bus, so it is available under /sys/devices/soc0/, and can be checked where needed using soc_device_match(). Identification is done using the Product Register or Common Chip Code Register, as declared in DT (PRR only for now), or using a hardcoded fallback if missing. Example: Detected Renesas R-Car Gen2 r8a7791 ES1.0 ... # cat /sys/devices/soc0/{machine,family,soc_id,revision} Koelsch R-Car Gen2 r8a7791 ES1.0 Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-11-15ARM: shmobile: r8a7745: basic SoC supportSergei Shtylyov1-0/+4
Add minimal support for the RZ/G1E (R8A7745) SoC. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-11-04ARM: shmobile: select errata 798181 for SoCs with CA15 coresSimon Horman1-0/+6
Select ARM errata 798181 on SoCs cores affected CA15 cores. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
2016-11-02ARM: shmobile: r8a7743: basic SoC supportSergei Shtylyov1-0/+4
Add minimal support for the RZ/G1M (R8A7743) SoC. Based on the original (and large) patch by Dmitry Shifrin <dmitry.shifrin@cogentembedded.com>. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-10-17ARM: shmobile: Sort Kconfig selectionsGeert Uytterhoeven1-3/+3
Sort alphabetically all symbols selected by ARCH_RENESAS Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-09-21ARM: select PCI_DOMAINS config from ARCH_MULTIPLATFORMKishon Vijay Abraham I1-1/+0
PCI_DOMAINS config should be selected for any SoCs having more than a single PCIe controller. Without PCI_DOMAINS config, only one PCIe controller gets registered. Select PCI_DOMAINS in ARCH_MULTIPLATFORM if PCI is selected, since it doesn't harm even if a platform has a single PCIe port. Also remove PCI_DOMAINS being selected from other platform specific configs. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-07-07Merge tag 'renesas-soc2-for-v4.8' of ↵Olof Johansson1-0/+4
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc Second Round of Renesas ARM Based SoC Updates for v4.8 * Add DT support to the APMU driver and prioritise DT APMU support * Obtain extal frequency from DT * Add support for r8a7792 * tag 'renesas-soc2-for-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: shmobile: r8a7791: Prioritize DT APMU support ARM: shmobile: r8a7790: Prioritize DT APMU support ARM: shmobile: smp: Add function to prioritize DT SMP ARM: shmobile: apmu: Add APMU DT support via Enable method ARM: shmobile: apmu: Move #ifdef CONFIG_SMP to cover more functions ARM: shmobile: rcar-gen2: Correct arch timer frequency on R-Car V2H ARM: shmobile: rcar-gen2: Obtain extal frequency from DT ARM: shmobile: r8a7792: basic SoC support soc: renesas: rcar-sysc: Improve SYSC interrupt config in legacy wrapper soc: renesas: rcar-sysc: Move SYSC interrupt config to rcar-sysc driver soc: renesas: rcar-sysc: Make rcar_sysc_init() init the PM domains soc: renesas: rcar-sysc: Fix uninitialized error code in rcar_sysc_pd_init() soc: renesas: rcar-sysc: add R8A7792 support soc: renesas: rcar-sysc: Add support for R-Car M3-W power areas soc: renesas: Add r8a7796 SYSC PM Domain Binding Definitions soc: renesas: rcar-sysc: Document r8a7796 support Signed-off-by: Olof Johansson <olof@lixom.net>
2016-06-29ARM: shmobile: r8a7792: basic SoC supportSergei Shtylyov1-0/+4
Add minimal support for the R-Car V2H (R8A7792) SoC. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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>
2016-04-22soc: renesas: Move pm-rcar to drivers/soc/renesas/rcar-syscGeert Uytterhoeven1-7/+4
Move the pm-rcar driver from arch/arm/mach-shmobile/ to drivers/soc/renesas/, and its header file to include/linux/soc/renesas/, so it can be shared between arm32 (R-Car H1 and Gen2) and arm64 (R-Car Gen3). Rename it to rcar-sysc as it's really a driver for the R-Car System Controller (SYSC). Kill the intermediate PM_RCAR config symbol, as it's not user configurable anymore, and to prepare for SoC-specific make rules. Add the missing #include <linux/types.h> to rcar-sysc.h, which was exposed by different include order. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-03-21Merge tag 'armsoc-soc' of ↵Linus Torvalds1-5/+8
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC platform updates from Arnd Bergmann: "Newly added support for additional SoCs: - Axis Artpec-6 SoC family - Allwinner A83T SoC - Mediatek MT7623 - NXP i.MX6QP SoC - ST Microelectronics stm32f469 microcontroller New features: - SMP support for Mediatek mt2701 - Big-endian support for NXP i.MX - DaVinci now uses the new DMA engine dma_slave_map - OMAP now uses the new DMA engine dma_slave_map - earlyprintk support for palmchip uart on mach-tango - delay timer support for orion Other: - Exynos PMU driver moved out to drivers/soc/ - Various smaller updates for Renesas, Xilinx, PXA, AT91, OMAP, uniphier" * tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (83 commits) ARM: uniphier: rework SMP code to support new System Bus binding ARM: uniphier: add missing of_node_put() ARM: at91: avoid defining CONFIG_* symbols in source code ARM: DRA7: hwmod: Add data for eDMA tpcc, tptc0, tptc1 ARM: imx: Make reset_control_ops const ARM: imx: Do L2 errata only if the L2 cache isn't enabled ARM: imx: select ARM_CPU_SUSPEND only for imx6 dmaengine: pxa_dma: fix the maximum requestor line ARM: alpine: select the Alpine MSI controller driver ARM: pxa: add the number of DMA requestor lines dmaengine: mmp-pdma: add number of requestors dma: mmp_pdma: Add the #dma-requests DT property documentation ARM: OMAP2+: Add rtc hwmod configuration for ti81xx ARM: s3c24xx: Avoid warning for inb/outb ARM: zynq: Move early printk virtual address to vmalloc area ARM: DRA7: hwmod: Add custom reset handler for PCIeSS ARM: SAMSUNG: Remove unused register offset definition ARM: EXYNOS: Cleanup header files inclusion drivers: soc: samsung: Enable COMPILE_TEST MAINTAINERS: Add maintainers entry for drivers/soc/samsung ...
2016-02-19ARM: shmobile: Enable PM and PM_GENERIC_DOMAINS for SoCs with PM DomainsGeert Uytterhoeven1-5/+8
All supported Renesas ARM SoCs (except for Emma Mobile EV2) have clock domains. Some SoCs also have power domains. To ensure proper operation of on-SoC modules, module clocks must be ungated, and power domains must be powered up when needed. Currently the user can choose to build a kernel with power management enabled or disabled: - If CONFIG_PM=y, power domains and/or module clocks are handled dynamically by Runtime PM and the generic power domain. - If CONFIG_PM=n, power domains are assumed to be powered up by reset state or by the boot loader, and module clocks are handled by the legacy clock domain on driver (un)bind. The latter is implemented using a platform bus notifier, which applies not only to all on-SoC devices, but to all platform devices present in the system. To remove the dependency on implicit assumptions, and to get rid of the peculiarities of the legacy clock domain, enable CONFIG_PM and CONFIG_PM_GENERIC_DOMAINS unconditionally, for all Renesas ARM SoCs with clock and/or power domains. This does cause an increase in kernel size. Given bloat-o-meter reports a modest increase of 26 KiB for an RZ/A1H kernel, this should not be a problem, even when used on RZ/A1H with XIP and internal RAM only. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-02-17ARM: shmobile: Kconfig: Get rid of old commentMagnus Damm1-2/+0
Remove comment that used to be part of non-multiplatform kernel support. Now with multiplatform-only we have no Renesas-specific System Configuration entries. Signed-off-by: Magnus Damm <damm+renesas@opensource.se> Acked-by: by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-12-12Merge tag 'renesas-cleanup-for-v4.5' of ↵Arnd Bergmann1-3/+7
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/cleanup Merge "Renesas ARM Based SoC Cleanup for v4.5" from Simon Horman: * Remove now unnecessary header * Introduce ARCH_RENESAS * Remove unmaintened URL from MAINTAINERS * tag 'renesas-cleanup-for-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: shmobile: Remove legacy mach/irqs.h ARM: shmobile: Introduce ARCH_RENESAS MAINTAINERS: Remove link to oss.renesas.com which is closed
2015-12-02ARM: use "depends on" for SoC configs instead of "if" after promptMasahiro Yamada1-2/+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>
2015-11-16ARM: shmobile: Introduce ARCH_RENESASSimon Horman1-3/+7
The purpose of this patch is to start the process of replacing both ARCH_SHMOBILE and ARCH_SHMOBILE_MULTI with ARCH_RENESAS. RENESAS seems to be a more appropriate name than SHMOBILE for the majority of Renesas 32-bit ARM based SoCs. The name is conveniently also (newer) ARM64 based SoCs. This patches only addresses 32-bit ARM based SoCs. Proposed support for the ARM64 based r8a7795 SoC already uses ARCH_RENESAS which selects ARCH_SHMOBILE. Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-09-14ARM: shmobile: Kconfig: remove unused SHMOBILE_TIMER_HZ sectionUlrich Hecht1-20/+0
Obsoleted by removal of legacy platforms. Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-09-14ARM: shmobile: remove ARCH_SHMOBILE_LEGACY optionUlrich Hecht1-23/+0
With Bock-W, the last legacy platform has been removed. Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com> Acked-by: by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-09-14ARM: shmobile: Kconfig: remove obsolete option ARCH_R8A7778Ulrich Hecht1-6/+0
Obsoleted by removal of r8a7778 legacy platform. Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com> Acked-by: by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-09-14ARM: shmobile: bockw: remove legacy board file and configUlrich Hecht1-11/+0
Replaced by multi-platform. Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com> Acked-by: by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-09-14ARM: shmobile: bockw: remove "reference" board file and configUlrich Hecht1-13/+0
Replaced by multi-platform. Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-09-01Merge tag 'armsoc-drivers' of ↵Linus Torvalds1-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC driver updates from Olof Johansson: "Some releases this branch is nearly empty, others we have more stuff. It tends to gather drivers that need SoC modification or dependencies such that they have to (also) go in through our tree. For this release, we have merged in part of the reset controller tree (with handshake that the parts we have merged in will remain stable), as well as dependencies on a few clock branches. In general, new items here are: - Qualcomm driver for SMM/SMD, which is how they communicate with the coprocessors on (some) of their platforms - memory controller work for ARM's PL172 memory controller - reset drivers for various platforms - PMU power domain support for Marvell platforms - Tegra support for T132/T210 SoCs: PMC, fuse, memory controller per-SoC support" * tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (49 commits) ARM: tegra: cpuidle: implement cpuidle_state.enter_freeze() ARM: tegra: Disable cpuidle if PSCI is available soc/tegra: pmc: Use existing pclk reference soc/tegra: pmc: Remove unnecessary return statement soc: tegra: Remove redundant $(CONFIG_ARCH_TEGRA) in Makefile memory: tegra: Add Tegra210 support memory: tegra: Add support for a variable-size client ID bitfield clk: shmobile: rz: Add CPG/MSTP Clock Domain support clk: shmobile: rcar-gen2: Add CPG/MSTP Clock Domain support clk: shmobile: r8a7779: Add CPG/MSTP Clock Domain support clk: shmobile: r8a7778: Add CPG/MSTP Clock Domain support clk: shmobile: Add CPG/MSTP Clock Domain support ARM: dove: create a proper PMU driver for power domains, PMU IRQs and resets reset: reset-zynq: Adding support for Xilinx Zynq reset controller. docs: dts: Added documentation for Xilinx Zynq Reset Controller bindings. MIPS: ath79: Add the reset controller to the AR9132 dtsi reset: Add a driver for the reset controller on the AR71XX/AR9XXX devicetree: Add bindings for the ATH79 reset controller reset: socfpga: Update reset-socfpga to read the altr,modrst-offset property doc: dt: add documentation for lpc1850-rgu reset driver ...
2015-09-01Merge tag 'armsoc-soc' of ↵Linus Torvalds1-0/+5
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC platform updates from Olof Johansson: "New or improved SoC support: - add support for Atmel's SAMA5D2 SoC - add support for Freescale i.MX6UL - improved support for TI's DM814x platform - misc fixes and improvements for RockChip platforms - Marvell MVEBU suspend/resume support A few driver changes that ideally would belong in the drivers branch are also here (acked by appropriate maintainers): - power key input driver for Freescale platforms (svns) - RTC driver updates for Freescale platforms (svns/mxc) - clk fixes for TI DM814/816X + a bunch of other changes for various platforms" * tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (83 commits) ARM: rockchip: pm: Fix PTR_ERR() argument ARM: imx: mach-imx6ul: Fix allmodconfig build clk: ti: fix for definition movement ARM: uniphier: drop v7_invalidate_l1 call at secondary entry memory: kill off set_irq_flags usage rtc: snvs: select option REGMAP_MMIO ARM: brcmstb: select ARCH_DMA_ADDR_T_64BIT for LPAE ARM: BCM: Enable ARM erratum 798181 for BRCMSTB ARM: OMAP2+: Fix power domain operations regression caused by 81xx ARM: rockchip: enable PMU_GPIOINT_WAKEUP_EN when entering shallow suspend ARM: rockchip: set correct stabilization thresholds in suspend ARM: rockchip: rename osc_switch_to_32k variable ARM: imx6ul: add fec MAC refrence clock and phy fixup init ARM: imx6ul: add fec bits to GPR syscon definition rtc: mxc: add support of device tree dt-binding: document the binding for mxc rtc rtc: mxc: use a second rtc clock ARM: davinci: cp_intc: use IRQCHIP_SKIP_SET_WAKE instead of irq_set_wake callback soc: mediatek: Fix SCPSYS compilation ARM: at91/soc: add basic support for new sama5d2 SoC ...
2015-08-12clk: shmobile: rz: Add CPG/MSTP Clock Domain supportGeert Uytterhoeven1-0/+1
Add Clock Domain support to the RZ Clock Pulse Generator (CPG) driver using the generic PM Domain. This allows to power-manage the module clocks of SoC devices that are part of the CPG/MSTP Clock Domain using Runtime PM, or for system suspend/resume. SoC devices that are part of the CPG/MSTP Clock Domain and can be power-managed through an MSTP clock should be tagged in DT with a proper "power-domains" property. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Stephen Boyd <sboyd@codeaurora.org> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-08-12clk: shmobile: r8a7778: Add CPG/MSTP Clock Domain supportGeert Uytterhoeven1-0/+1
Add Clock Domain support to the R-Car M1A Clock Pulse Generator (CPG) driver using the generic PM Domain. This allows to power-manage the module clocks of SoC devices that are part of the CPG/MSTP Clock Domain using Runtime PM, or for system suspend/resume. SoC devices that are part of the CPG/MSTP Clock Domain and can be power-managed through an MSTP clock should be tagged in DT with a proper "power-domains" property. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Stephen Boyd <sboyd@codeaurora.org> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-08-06Merge tag 'renesas-marzen-board-removal-for-v4.3' of ↵Olof Johansson1-14/+0
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/cleanup Renesas ARM Based SoC Marzen Board Removal for v4.3 * Remove legacy r8a7779 SoC code * Remove legacy marzen board code * tag 'renesas-marzen-board-removal-for-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: shmobile: r8a7779: Remove legacy SoC code ARM: shmobile: marzen: Remove legacy board code ARM: shmobile: r8a7779: Cleanup header file ARM: shmobile: marzen-reference: Remove C board code ARM: shmobile: r8a7779: Generic SMP ops ARM: shmobile: r8a7779: Generic CCF and timer support Signed-off-by: Olof Johansson <olof@lixom.net>
2015-07-28ARM: shmobile: marzen: Remove legacy board codeMagnus Damm1-7/+0
Remove Marzen legacy board code written in C. Instead board support expressed in DT shall be used together with Multiplatform and shmobile_defconfig. Signed-off-by: Magnus Damm <damm+renesas@opensource.se> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-07-28ARM: shmobile: marzen-reference: Remove C board codeMagnus Damm1-7/+0
The generic r8a7779 machine vector is now feature-wise equivalent to the Marzen-reference case, so simply remove the Marzen C board code to fall over on the generic r8a7779 machine vector. Signed-off-by: Magnus Damm <damm+renesas@opensource.se> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-07-06ARM: shmobile: gose: enable R-Car Gen2 regulator quirkUlrich Hecht1-0/+1
Regulator setup seems identical to Koelsch. Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-07-06ARM: shmobile: Basic r8a7793 SoC supportUlrich Hecht1-0/+4
Minimal support without power management or SMP. Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-07-06ARM: shmobile: Remove legacy SoC code for R-Mobile A1Geert Uytterhoeven1-7/+0
The last user of the R-Mobile A1 (r8a7740) legacy SoC code was the Armadillo-800 EVA legacy board code, which has been removed. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> [horms: resolved trivial conflicts with v4.2-rc1] Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-07-06ARM: shmobile: Remove legacy board code for Armadillo-800 EVAGeert Uytterhoeven1-9/+0
The Armadillo-800 EVA board is sufficiently supported by DT-based and board-less R-Mobile A1 (r8a7740) multiplatform kernels, and board staging code. Hence remove the legacy board code to reduce maintenance effort. Lacking areas are: - USB (it doesn't work in legacy, neither), - HDMI (it doesn't work in legacy, neither), - Camera (we don't care), - DMAC/IPMMU (no DT bindings are planned). Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-07-06ARM: shmobile: Remove legacy SoC code for SH-Mobile AG5Geert Uytterhoeven1-9/+0
The last user of the SH-Mobile AG5 (sh73a0) legacy SoC code was the KZM-A9-GT legacy board code, which has been removed. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-07-06ARM: shmobile: Remove legacy board code for KZM-A9-GTGeert Uytterhoeven1-8/+0
The KZM-A9-GT board is sufficiently supported by DT-based and board-less SH-Mobile AG5 (sh73a0) multiplatform kernels. Hence remove the legacy board code to reduce maintenance effort. Lacking areas are: - USB (it does't work in legacy, neither), - LCDC (the LCDC is wired to the legacy INTC, which is not planned to be supported with DT). - DMAC/IPMMU (no DT bindings are planned). Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-05-25ARM: shmobile: only select sound drivers that buildArnd Bergmann1-2/+2
A couple of codec drivers are selected by shmobile platform code, but depend on I2C, which results in a build error: sound/soc/codecs/ak4642.c:638:1: warning: data definition has no type or storage class module_i2c_driver(ak4642_i2c_driver); ^ sound/soc/codecs/ak4642.c:638:1: error: type defaults to 'int' in declaration of 'module_i2c_driver' [-Werror=implicit-int] sound/soc/codecs/ak4642.c:638:1: warning: parameter names (without types) in function declaration sound/soc/codecs/ak4642.c:627:26: warning: 'ak4642_i2c_driver' defined but not used [-Wunused-variable] This ensures that we do not enable the respective drivers when I2C is disabled. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-04-22Merge tag 'armsoc-multiplatform' of ↵Linus Torvalds1-55/+9
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC multiplatform code changes from Olof Johansson: "The changes here belong to two main platforms: - Atmel At91 is flipping the bit and going multiplatform. This includes some cleanups and removal of code, and the final flip of config dependencies - Shmobile has several platforms that are going multiplatform, but this branch also contains a bunch of cleanups that they weren't able to keep separate in a good way. THere's also a removal of one of their SoCs and the corresponding boards (sh7372 and mackerel)" * tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (67 commits) ARM: at91/pm: move AT91_MEMCTRL_* to pm.h ARM: at91/pm: move the standby functions to pm.c ARM: at91: fix pm_suspend.S compilation when ARMv6 is selected ARM: at91: add a Kconfig dependency on multi-platform ARM: at91: drop AT91_TIMER_HZ ARM: at91: remove hardware.h ARM: at91: remove SoC headers ARM: at91: remove useless mach/cpu.h ARM: at91: remove unused headers ARM: at91: switch at91_dt_defconfig to multiplatform ARM: at91: switch to multiplatform ARM: shmobile: r8a7778: enable multiplatform target ARM: shmobile: bockw: add sound to DT ARM: shmobile: r8a7778: add sound to DT ARM: shmobile: bockw: add devices hooked up to i2c0 to DT DT: i2c: add trivial binding for OKI ML86V7667 video decoder ARM: shmobile: r8a7778: common clock framework CPG driver ARM: shmobile: bockw dts: set extal clock frequency ARM: shmobile: bockw dts: Move Ethernet node to BSC ARM: shmobile: r8a73a4: Remove legacy code ...
2015-04-02Merge tag 'renesas-sh73a0-multiplatform-for-v4.1' of ↵Olof Johansson1-14/+5
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/multiplatform Merge "Renesas ARM Based SoC sh73a0 Multiplatform Updates for v4.1" from Simon Horman: * Add multiplatform support to sh73a0 and its kzm9g board * Use Bus State Controller to enable ethernet for multiplatform sh73a0/kzm9g * Add PM domain support to multiplatform sh73a0 * tag 'renesas-sh73a0-multiplatform-for-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: (43 commits) ARM: shmobile: sh73a0: Remove restart callback ARM: shmobile: sh73a0 dtsi: Add PM domain support ARM: shmobile: sh73a0: Remove unused sh73a0_add_standard_devices_dt() ARM: shmobile: sh73a0 dtsi: Add Cortex-A9 TWD node ARM: shmobile: kzm9g-reference: Remove board C code and DT file ARM: shmobile: kzm9g dts: Move Ethernet node to BSC ARM: shmobile: sh73a0 dtsi: Add Bus State Controller node ARM: shmobile: kzm9g: Build DTS for Multiplatform ARM: shmobile: kzm9g dts: Sync with kzm9g-reference dts ARM: shmobile: sh73a0: Add Multiplatform support ARM: shmobile: sh73a0: Introduce generic setup callback ARM: shmobile: r8a7794: add SDHI DT support ARM: shmobile: r8a7790: add ADSP clocks ARM: shmobile: r8a7791: add ADSP clocks ARM: shmobile: henninger: add CAN0 DT support ARM: shmobile: r8a7791: add CAN DT support ARM: shmobile: r8a7791: add CAN clocks ARM: shmobile: r8a7790: add CAN DT support ARM: shmobile: r8a7790: add CAN clocks ARM: shmobile: emev2-kzm9d dts: Add PFC information for uart1 ... Signed-off-by: Olof Johansson <olof@lixom.net>
2015-04-02Merge tag 'renesas-r8a73a4-ccf-and-multiplatform-for-v4.1' of ↵Olof Johansson1-25/+0
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/multiplatform Merge "Renesas ARM Based SoC r8a73a4 CCF and Multiplatform Updates for v4.1" from Simon Horman: * Add CCF and them multiplatform support to r8a73a4 SoC and its ape6evm board. * Then remove legacy r8a73a4 SoC and ape6evm board code. ---------------------------------------------------------------- Geert Uytterhoeven (6): ARM: shmobile: r8a73a4 dtsi: Add Bus State Controller node ARM: shmobile: ape6evm dts: Move Ethernet node to BSC ARM: shmobile: r8a73a4: Move pfc node to work around probe ordering bug ARM: shmobile: ape6evm dts: Drop console= bootargs parameter PM / Domains: R-Mobile SYSC: Document R-Mobile APE6 (r8a73a4) binding ARM: shmobile: r8a73a4 dtsi: Add PM domain support Laurent Pinchart (1): ARM: shmobile: r8a73a4: Remove legacy code Simon Horman (1): ARM: shmobile: r8a73a4: ape6evm: Remove legacy platform Ulrich Hecht (5): ARM: shmobile: r8a73a4: Add CPG register bits header ARM: shmobile: r8a73a4: Common clock framework DT description ARM: shmobile: ape6evm: Disable legacy clock initialization ARM: shmobile: r8a73a4: Add MSTP clock assignments to DT ARM: shmobile: ape6evm-reference: Remove board C code and DT file Documentation/devicetree/bindings/arm/shmobile.txt | 2 - .../bindings/power/renesas,sysc-rmobile.txt | 1 + MAINTAINERS | 1 - arch/arm/boot/dts/Makefile | 2 - arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts | 156 ----- arch/arm/boot/dts/r8a73a4-ape6evm.dts | 37 +- arch/arm/boot/dts/r8a73a4.dtsi | 557 ++++++++++++++++- arch/arm/configs/ape6evm_defconfig | 109 ---- arch/arm/mach-shmobile/Kconfig | 25 - arch/arm/mach-shmobile/Makefile | 3 - arch/arm/mach-shmobile/Makefile.boot | 2 - arch/arm/mach-shmobile/board-ape6evm-reference.c | 60 -- arch/arm/mach-shmobile/board-ape6evm.c | 306 ---------- arch/arm/mach-shmobile/clock-r8a73a4.c | 659 --------------------- arch/arm/mach-shmobile/r8a73a4.h | 17 - arch/arm/mach-shmobile/setup-r8a73a4.c | 273 +-------- include/dt-bindings/clock/r8a73a4-clock.h | 62 ++ 17 files changed, 615 insertions(+), 1657 deletions(-) delete mode 100644 arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts delete mode 100644 arch/arm/configs/ape6evm_defconfig delete mode 100644 arch/arm/mach-shmobile/board-ape6evm-reference.c delete mode 100644 arch/arm/mach-shmobile/board-ape6evm.c delete mode 100644 arch/arm/mach-shmobile/clock-r8a73a4.c delete mode 100644 arch/arm/mach-shmobile/r8a73a4.h create mode 100644 include/dt-bindings/clock/r8a73a4-clock.h * tag 'renesas-r8a73a4-ccf-and-multiplatform-for-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: shmobile: r8a73a4: Remove legacy code ARM: shmobile: r8a73a4 dtsi: Add PM domain support PM / Domains: R-Mobile SYSC: Document R-Mobile APE6 (r8a73a4) binding ARM: shmobile: ape6evm dts: Drop console= bootargs parameter ARM: shmobile: r8a73a4: ape6evm: Remove legacy platform ARM: shmobile: ape6evm-reference: Remove board C code and DT file ARM: shmobile: r8a73a4: Move pfc node to work around probe ordering bug ARM: shmobile: ape6evm dts: Move Ethernet node to BSC ARM: shmobile: r8a73a4 dtsi: Add Bus State Controller node ARM: shmobile: r8a73a4: Add MSTP clock assignments to DT ARM: shmobile: ape6evm: Disable legacy clock initialization ARM: shmobile: r8a73a4: Common clock framework DT description ARM: shmobile: r8a73a4: Add CPG register bits header Signed-off-by: Olof Johansson <olof@lixom.net>
2015-03-11Merge tag 'renesas-r8a7778-ccf-and-multiplatform-for-v4.1' of ↵Arnd Bergmann1-0/+4
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/multiplatform Pull "Renesas ARM Based SoC r8a7778 CCF and Multiplatform Updates for v4.1" from Simon Horman: * Add CCF and them multiplatform support to r8a7778 SoC and its bockw board. * tag 'renesas-r8a7778-ccf-and-multiplatform-for-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: (21 commits) ARM: shmobile: r8a7778: enable multiplatform target ARM: shmobile: bockw: add sound to DT ARM: shmobile: r8a7778: add sound to DT ARM: shmobile: bockw: add devices hooked up to i2c0 to DT DT: i2c: add trivial binding for OKI ML86V7667 video decoder ARM: shmobile: r8a7778: common clock framework CPG driver ARM: shmobile: bockw dts: set extal clock frequency ARM: shmobile: bockw dts: Move Ethernet node to BSC ARM: shmobile: r8a7778 dtsi: Add Bus State Controller node ARM: shmobile: bockw: add USB, VIN pin descriptions to DT ARM: shmobile: r8a7778: add internal ethernet controller to DT ARM: shmobile: r8a7778: add MSTP clock assignments to DT ARM: shmobile: r8a7778: implement SoC and board CCF support ARM: shmobile: r8a7778: Common clock framework DT description ARM: shmobile: r8a7778: add CPG register bits header ARM: shmobile: r8a7778: synchronize dts with reference platform drivers: bus: Add Simple Power-Managed Bus Driver drivers: bus: Add Renesas Bus State Controller (BSC) DT Bindings drivers: bus: Add Simple Power-Managed Bus DT Bindings drivers: bus: Sort Makefile entries alphabetically ...
2015-03-11ARM: shmobile: R-Car Gen2: Add da9063/da9210 regulator quirkGeert Uytterhoeven1-0/+2
The r8a7790/lager and r8a7791/koelsch development boards have da9063 and da9210 regulators. Both regulators have their interrupt request lines tied to the same interrupt pin (IRQ2) on the SoC. After cold boot or da9063-induced restart, both the da9063 and da9210 seem to assert their interrupt request lines. Hence as soon as one driver requests this irq, it gets stuck in an interrupt storm, as it only manages to deassert its own interrupt request line, and the other driver hasn't installed an interrupt handler yet. To handle this, install a quirk that masks the interrupts in both the da9063 and da9210. This quirk has to run after the i2c master driver has been initialized, but before the i2c slave drivers are initialized. As it depends on i2c, select I2C if one of the affected platforms is enabled in the kernel config. On koelsch, the following happens: - Cold boot or reboot using the da9063 restart handler: IRQ2 is asserted, installing da9063/da9210 regulator quirk ... i2c i2c-6: regulator_quirk_notify: 1, IRQC_MONITOR = 0x3fb i2c 6-0058: regulator_quirk_notify: 1, IRQC_MONITOR = 0x3fb i2c 6-0058: Detected da9063 i2c 6-0058: Masking da9063 interrupt sources i2c 6-0068: regulator_quirk_notify: 1, IRQC_MONITOR = 0x3fb i2c 6-0068: Detected da9210 i2c 6-0068: Masking da9210 interrupt sources i2c 6-0068: IRQ2 is not asserted, removing quirk - Warm boot (reset button): rcar_gen2_regulator_quirk: IRQ2 is not asserted, not installing quirk Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Mark Brown <broonie@kernel.org> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-03-01ARM: shmobile: r8a7778: enable multiplatform targetUlrich Hecht1-0/+4
Adds config option and enables DTB building. Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-02-24ARM: shmobile: kzm9g-reference: Remove board C code and DT fileSimon Horman1-14/+0
Now that the sh73a0 generic multiplatform case has the same feature set as the kzm9g DT reference board code, we get rid of the latter. DT reference code in the future shall make use of the sh73a0 multiplatform support code with the generic SoC machine vector. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-02-24ARM: shmobile: sh73a0: Add Multiplatform supportMagnus Damm1-0/+5
Enable sh73a0 Multiplatform support for the generic sh73a0 machine vector. No board support is enabled, and the board code for KZM9G DT Reference is left by itself. Signed-off-by: Magnus Damm <damm+renesas@opensource.se> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-02-24ARM: shmobile: sh7372: Remove Legacy C SoC codeMagnus Damm1-7/+0
Remove support for the legacy Cortex-A8 based sh7372 SoC. The Linux kernel still lacks DT bindings for the sh7372 INTC interrupt controller so DT multiplatform support is not possibile. Also, the sh7372 SoC never went into mass production anyway so to aid migration to DT multiplatform simply get rid of sh7372 support. Signed-off-by: Magnus Damm <damm+renesas@opensource.se> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-02-24ARM: shmobile: mackerel: Remove Legacy C board codeMagnus Damm1-9/+0
Remove legacy C code for the sh7372 Mackerel board. There is no DT multiplatform implementation available for the sh7372 SoC so simply phase out the board and SoC code support. Signed-off-by: Magnus Damm <damm+renesas@opensource.se> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-02-24ARM: shmobile: r8a73a4: ape6evm: Remove legacy platformSimon Horman1-13/+0
This removes the remains of the legacy ape6evm platform. Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com> Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-02-24ARM: shmobile: ape6evm-reference: Remove board C code and DT fileUlrich Hecht1-12/+0
Now that the r8a73a4 generic multiplatform case has the same features as the APE6EVM DT reference board code, we get rid of the latter. DT reference code in the future shall make use of the r8a73a4 multiplatform support code with the generic SoC machine vector. Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com> Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> [geert: Update Documentation/devicetree/bindings/arm/shmobile.txt] Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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