diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-04-26 12:11:52 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-04-26 12:11:52 -0700 |
commit | 37f00ab4a003f371f81e0eae76cf372f06dec780 (patch) | |
tree | c6217483f22a0fac876f12af53f4b8948200f2fd /drivers/clk | |
parent | 2b90506a8186df5f7c81ad1ebd250103d8469e27 (diff) | |
parent | 5ffa828534036348fa90fb3079ccc0972d202c4a (diff) |
Merge tag 'arm-drivers-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"Updates for SoC specific drivers include a few subsystems that have
their own maintainers but send them through the soc tree:
TEE/OP-TEE:
- Add tracepoints around calls to secure world
Memory controller drivers:
- Minor fixes for Renesas, Exynos, Mediatek and Tegra platforms
- Add debug statistics to Tegra20 memory controller
- Update Tegra bindings and convert to dtschema
ARM SCMI Firmware:
- Support for modular SCMI protocols and vendor specific extensions
- New SCMI IIO driver
- Per-cpu DVFS
The other driver changes are all from the platform maintainers
directly and reflect the drivers that don't fit into any other
subsystem as well as treewide changes for a particular platform.
SoCFPGA:
- Various cleanups contributed by Krzysztof Kozlowski
Mediatek:
- add MT8183 support to mutex driver
- MMSYS: use per SoC array to describe the possible routing
- add MMSYS support for MT8183 and MT8167
- add support for PMIC wrapper with integrated arbiter
- add support for MT8192/MT6873
Tegra:
- Bug fixes to PMC and clock drivers
NXP/i.MX:
- Update SCU power domain driver to keep console domain power on.
- Add missing ADC1 power domain to SCU power domain driver.
- Update comments for single global power domain in SCU power domain
driver.
- Add i.MX51/i.MX53 unique id support to i.MX SoC driver.
NXP/FSL SoC driver updates for v5.13
- Add ACPI support for RCPM driver
- Use generic io{read,write} for QE drivers after performance
optimized for PowerPC
- Fix QBMAN probe to cleanup HW states correctly for kexec
- Various cleanup and style fix for QBMAN/QE/GUTS drivers
OMAP:
- Preparation to use devicetree for genpd
- ti-sysc needs iorange check improved when the interconnect target
module has no control registers listed
- ti-sysc needs to probe l4_wkup and l4_cfg interconnects first to
avoid issues with missing resources and unnecessary deferred probe
- ti-sysc debug option can now detect more devices
- ti-sysc now warns if an old incomplete devicetree data is found as
we now rely on it being complete for am3 and 4
- soc init code needs to check for prcm and prm nodes for omap4/5 and
dra7
- omap-prm driver needs to enable autoidle retention support for
omap4
- omap5 clocks are missing gpmc and ocmc clock registers
- pci-dra7xx now needs to use builtin_platform_driver instead of
using builtin_platform_driver_probe for deferred probe to work
Raspberry Pi:
- Fix-up all RPi firmware drivers so as for unbind to happen in an
orderly fashion
- Support for RPi's PoE hat PWM bus
Qualcomm
- Improved detection for SCM calling conventions
- Support for OEM specific wifi firmware path
- Added drivers for SC7280/SM8350: RPMH, LLCC< AOSS QMP"
* tag 'arm-drivers-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (165 commits)
soc: aspeed: fix a ternary sign expansion bug
memory: mtk-smi: Add device-link between smi-larb and smi-common
memory: samsung: exynos5422-dmc: handle clk_set_parent() failure
memory: renesas-rpc-if: fix possible NULL pointer dereference of resource
clk: socfpga: fix iomem pointer cast on 64-bit
soc: aspeed: Adapt to new LPC device tree layout
pinctrl: aspeed-g5: Adapt to new LPC device tree layout
ipmi: kcs: aspeed: Adapt to new LPC DTS layout
ARM: dts: Remove LPC BMC and Host partitions
dt-bindings: aspeed-lpc: Remove LPC partitioning
soc: fsl: enable acpi support in RCPM driver
soc: qcom: mdt_loader: Detect truncated read of segments
soc: qcom: mdt_loader: Validate that p_filesz < p_memsz
soc: qcom: pdr: Fix error return code in pdr_register_listener
firmware: qcom_scm: Fix kernel-doc function names to match
firmware: qcom_scm: Suppress sysfs bind attributes
firmware: qcom_scm: Workaround lack of "is available" call on SC7180
firmware: qcom_scm: Reduce locking section for __get_convention()
firmware: qcom_scm: Make __qcom_scm_is_call_available() return bool
Revert "soc: fsl: qe: introduce qe_io{read,write}* wrappers"
...
Diffstat (limited to 'drivers/clk')
-rw-r--r-- | drivers/clk/Kconfig | 1 | ||||
-rw-r--r-- | drivers/clk/Makefile | 4 | ||||
-rw-r--r-- | drivers/clk/bcm/clk-raspberrypi.c | 2 | ||||
-rw-r--r-- | drivers/clk/clk-scmi.c | 28 | ||||
-rw-r--r-- | drivers/clk/socfpga/Kconfig | 19 | ||||
-rw-r--r-- | drivers/clk/socfpga/Makefile | 11 | ||||
-rw-r--r-- | drivers/clk/tegra/clk-pll.c | 12 | ||||
-rw-r--r-- | drivers/clk/tegra/clk-tegra210.c | 53 |
8 files changed, 97 insertions, 33 deletions
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index a588d56502d4..1d1891b9cad2 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -394,6 +394,7 @@ source "drivers/clk/renesas/Kconfig" source "drivers/clk/rockchip/Kconfig" source "drivers/clk/samsung/Kconfig" source "drivers/clk/sifive/Kconfig" +source "drivers/clk/socfpga/Kconfig" source "drivers/clk/sprd/Kconfig" source "drivers/clk/sunxi/Kconfig" source "drivers/clk/sunxi-ng/Kconfig" diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index b22ae4f81e0b..9b582b3fca34 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -104,9 +104,7 @@ obj-y += renesas/ obj-$(CONFIG_ARCH_ROCKCHIP) += rockchip/ obj-$(CONFIG_COMMON_CLK_SAMSUNG) += samsung/ obj-$(CONFIG_CLK_SIFIVE) += sifive/ -obj-$(CONFIG_ARCH_SOCFPGA) += socfpga/ -obj-$(CONFIG_ARCH_AGILEX) += socfpga/ -obj-$(CONFIG_ARCH_STRATIX10) += socfpga/ +obj-y += socfpga/ obj-$(CONFIG_PLAT_SPEAR) += spear/ obj-y += sprd/ obj-$(CONFIG_ARCH_STI) += st/ diff --git a/drivers/clk/bcm/clk-raspberrypi.c b/drivers/clk/bcm/clk-raspberrypi.c index f89b9cfc4309..dd3b71eafabf 100644 --- a/drivers/clk/bcm/clk-raspberrypi.c +++ b/drivers/clk/bcm/clk-raspberrypi.c @@ -314,7 +314,7 @@ static int raspberrypi_clk_probe(struct platform_device *pdev) return -ENOENT; } - firmware = rpi_firmware_get(firmware_node); + firmware = devm_rpi_firmware_get(&pdev->dev, firmware_node); of_node_put(firmware_node); if (!firmware) return -EPROBE_DEFER; diff --git a/drivers/clk/clk-scmi.c b/drivers/clk/clk-scmi.c index c754dfbb73fd..1e357d364ca2 100644 --- a/drivers/clk/clk-scmi.c +++ b/drivers/clk/clk-scmi.c @@ -2,7 +2,7 @@ /* * System Control and Power Interface (SCMI) Protocol based clock driver * - * Copyright (C) 2018 ARM Ltd. + * Copyright (C) 2018-2021 ARM Ltd. */ #include <linux/clk-provider.h> @@ -13,11 +13,13 @@ #include <linux/scmi_protocol.h> #include <asm/div64.h> +static const struct scmi_clk_proto_ops *scmi_proto_clk_ops; + struct scmi_clk { u32 id; struct clk_hw hw; const struct scmi_clock_info *info; - const struct scmi_handle *handle; + const struct scmi_protocol_handle *ph; }; #define to_scmi_clk(clk) container_of(clk, struct scmi_clk, hw) @@ -29,7 +31,7 @@ static unsigned long scmi_clk_recalc_rate(struct clk_hw *hw, u64 rate; struct scmi_clk *clk = to_scmi_clk(hw); - ret = clk->handle->clk_ops->rate_get(clk->handle, clk->id, &rate); + ret = scmi_proto_clk_ops->rate_get(clk->ph, clk->id, &rate); if (ret) return 0; return rate; @@ -69,21 +71,21 @@ static int scmi_clk_set_rate(struct clk_hw *hw, unsigned long rate, { struct scmi_clk *clk = to_scmi_clk(hw); - return clk->handle->clk_ops->rate_set(clk->handle, clk->id, rate); + return scmi_proto_clk_ops->rate_set(clk->ph, clk->id, rate); } static int scmi_clk_enable(struct clk_hw *hw) { struct scmi_clk *clk = to_scmi_clk(hw); - return clk->handle->clk_ops->enable(clk->handle, clk->id); + return scmi_proto_clk_ops->enable(clk->ph, clk->id); } static void scmi_clk_disable(struct clk_hw *hw) { struct scmi_clk *clk = to_scmi_clk(hw); - clk->handle->clk_ops->disable(clk->handle, clk->id); + scmi_proto_clk_ops->disable(clk->ph, clk->id); } static const struct clk_ops scmi_clk_ops = { @@ -142,11 +144,17 @@ static int scmi_clocks_probe(struct scmi_device *sdev) struct device *dev = &sdev->dev; struct device_node *np = dev->of_node; const struct scmi_handle *handle = sdev->handle; + struct scmi_protocol_handle *ph; - if (!handle || !handle->clk_ops) + if (!handle) return -ENODEV; - count = handle->clk_ops->count_get(handle); + scmi_proto_clk_ops = + handle->devm_protocol_get(sdev, SCMI_PROTOCOL_CLOCK, &ph); + if (IS_ERR(scmi_proto_clk_ops)) + return PTR_ERR(scmi_proto_clk_ops); + + count = scmi_proto_clk_ops->count_get(ph); if (count < 0) { dev_err(dev, "%pOFn: invalid clock output count\n", np); return -EINVAL; @@ -167,14 +175,14 @@ static int scmi_clocks_probe(struct scmi_device *sdev) if (!sclk) return -ENOMEM; - sclk->info = handle->clk_ops->info_get(handle, idx); + sclk->info = scmi_proto_clk_ops->info_get(ph, idx); if (!sclk->info) { dev_dbg(dev, "invalid clock info for idx %d\n", idx); continue; } sclk->id = idx; - sclk->handle = handle; + sclk->ph = ph; err = scmi_clk_ops_init(dev, sclk); if (err) { diff --git a/drivers/clk/socfpga/Kconfig b/drivers/clk/socfpga/Kconfig new file mode 100644 index 000000000000..0cf16b894efb --- /dev/null +++ b/drivers/clk/socfpga/Kconfig @@ -0,0 +1,19 @@ +# SPDX-License-Identifier: GPL-2.0 +config CLK_INTEL_SOCFPGA + bool "Intel SoCFPGA family clock support" if COMPILE_TEST && !ARCH_INTEL_SOCFPGA + default ARCH_INTEL_SOCFPGA + help + Support for the clock controllers present on Intel SoCFPGA and eASIC + devices like Aria, Cyclone, Stratix 10, Agilex and N5X eASIC. + +if CLK_INTEL_SOCFPGA + +config CLK_INTEL_SOCFPGA32 + bool "Intel Aria / Cyclone clock controller support" if COMPILE_TEST && (!ARM || !ARCH_INTEL_SOCFPGA) + default ARM && ARCH_INTEL_SOCFPGA + +config CLK_INTEL_SOCFPGA64 + bool "Intel Stratix / Agilex / N5X clock controller support" if COMPILE_TEST && (!ARM64 || !ARCH_INTEL_SOCFPGA) + default ARM64 && ARCH_INTEL_SOCFPGA + +endif # CLK_INTEL_SOCFPGA diff --git a/drivers/clk/socfpga/Makefile b/drivers/clk/socfpga/Makefile index bf736f8d201a..e8dfce339c91 100644 --- a/drivers/clk/socfpga/Makefile +++ b/drivers/clk/socfpga/Makefile @@ -1,7 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 -obj-$(CONFIG_ARCH_SOCFPGA) += clk.o clk-gate.o clk-pll.o clk-periph.o -obj-$(CONFIG_ARCH_SOCFPGA) += clk-pll-a10.o clk-periph-a10.o clk-gate-a10.o -obj-$(CONFIG_ARCH_STRATIX10) += clk-s10.o -obj-$(CONFIG_ARCH_STRATIX10) += clk-pll-s10.o clk-periph-s10.o clk-gate-s10.o -obj-$(CONFIG_ARCH_AGILEX) += clk-agilex.o -obj-$(CONFIG_ARCH_AGILEX) += clk-pll-s10.o clk-periph-s10.o clk-gate-s10.o +obj-$(CONFIG_CLK_INTEL_SOCFPGA32) += clk.o clk-gate.o clk-pll.o clk-periph.o \ + clk-pll-a10.o clk-periph-a10.o clk-gate-a10.o +obj-$(CONFIG_CLK_INTEL_SOCFPGA64) += clk-s10.o \ + clk-pll-s10.o clk-periph-s10.o clk-gate-s10.o \ + clk-agilex.o diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c index c5cc0a2dac6f..0193cebe8c5a 100644 --- a/drivers/clk/tegra/clk-pll.c +++ b/drivers/clk/tegra/clk-pll.c @@ -2515,18 +2515,6 @@ static int clk_plle_tegra210_enable(struct clk_hw *hw) pll_writel(val, PLLE_SS_CTRL, pll); udelay(1); - val = pll_readl_misc(pll); - val &= ~PLLE_MISC_IDDQ_SW_CTRL; - pll_writel_misc(val, pll); - - val = pll_readl(pll->params->aux_reg, pll); - val |= (PLLE_AUX_USE_LOCKDET | PLLE_AUX_SS_SEQ_INCLUDE); - val &= ~(PLLE_AUX_ENABLE_SWCTL | PLLE_AUX_SS_SWCTL); - pll_writel(val, pll->params->aux_reg, pll); - udelay(1); - val |= PLLE_AUX_SEQ_ENABLE; - pll_writel(val, pll->params->aux_reg, pll); - out: if (pll->lock) spin_unlock_irqrestore(pll->lock, flags); diff --git a/drivers/clk/tegra/clk-tegra210.c b/drivers/clk/tegra/clk-tegra210.c index 68cbb98af567..b9099012dc7b 100644 --- a/drivers/clk/tegra/clk-tegra210.c +++ b/drivers/clk/tegra/clk-tegra210.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * Copyright (c) 2012-2014 NVIDIA CORPORATION. All rights reserved. + * Copyright (c) 2012-2020 NVIDIA CORPORATION. All rights reserved. */ #include <linux/io.h> @@ -403,6 +403,14 @@ static unsigned long tegra210_input_freq[] = { #define PLLRE_BASE_DEFAULT_MASK 0x1c000000 #define PLLRE_MISC0_WRITE_MASK 0x67ffffff +/* PLLE */ +#define PLLE_MISC_IDDQ_SW_CTRL (1 << 14) +#define PLLE_AUX_USE_LOCKDET (1 << 3) +#define PLLE_AUX_SS_SEQ_INCLUDE (1 << 31) +#define PLLE_AUX_ENABLE_SWCTL (1 << 4) +#define PLLE_AUX_SS_SWCTL (1 << 6) +#define PLLE_AUX_SEQ_ENABLE (1 << 24) + /* PLLX */ #define PLLX_USE_DYN_RAMP 1 #define PLLX_BASE_LOCK (1 << 27) @@ -489,6 +497,49 @@ static unsigned long tegra210_input_freq[] = { #define PLLU_MISC0_WRITE_MASK 0xbfffffff #define PLLU_MISC1_WRITE_MASK 0x00000007 +bool tegra210_plle_hw_sequence_is_enabled(void) +{ + u32 value; + + value = readl_relaxed(clk_base + PLLE_AUX); + if (value & PLLE_AUX_SEQ_ENABLE) + return true; + + return false; +} +EXPORT_SYMBOL_GPL(tegra210_plle_hw_sequence_is_enabled); + +int tegra210_plle_hw_sequence_start(void) +{ + u32 value; + + if (tegra210_plle_hw_sequence_is_enabled()) + return 0; + + /* skip if PLLE is not enabled yet */ + value = readl_relaxed(clk_base + PLLE_MISC0); + if (!(value & PLLE_MISC_LOCK)) + return -EIO; + + value &= ~PLLE_MISC_IDDQ_SW_CTRL; + writel_relaxed(value, clk_base + PLLE_MISC0); + + value = readl_relaxed(clk_base + PLLE_AUX); + value |= (PLLE_AUX_USE_LOCKDET | PLLE_AUX_SS_SEQ_INCLUDE); + value &= ~(PLLE_AUX_ENABLE_SWCTL | PLLE_AUX_SS_SWCTL); + writel_relaxed(value, clk_base + PLLE_AUX); + + fence_udelay(1, clk_base); + + value |= PLLE_AUX_SEQ_ENABLE; + writel_relaxed(value, clk_base + PLLE_AUX); + + fence_udelay(1, clk_base); + + return 0; +} +EXPORT_SYMBOL_GPL(tegra210_plle_hw_sequence_start); + void tegra210_xusb_pll_hw_control_enable(void) { u32 val; |