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* clk: meson: meson8b: add the video decoder clock treesMartin Blumenstingl2019-04-012-1/+328
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds the four video decoder clock trees. VDEC_1 is split into two paths on Meson8b and Meson8m2: - input mux called "vdec_1_sel" - two dividers ("vdec_1_1_div" and "vdec_1_2_div") and gates ("vdec_1_1" and "vdec_1_2") - and an output mux (probably glitch-free) called "vdec_1" On Meson8 the VDEC_1 tree is simpler because there's only one path: - input mux called "vdec_1_sel" - divider ("vdec_1_1_div") and gate ("vdec_1_1") - (the gate is used as output directly, there's no mux) The VDEC_HCODEC and VDEC_2 clocks are simple composite clocks each consisting of an input mux, divider and a gate. The VDEC_HEVC clock seems to have two paths similar to the VDEC_1 clock. However, the register offsets of the second clock path is not known. Amlogic's 3.10 kernel (which is used as reference) sets HHI_VDEC2_CLK_CNTL[31] to 1 before changing the VDEC_HEVC clock and back to 0 afterwards. For now, leave a TODO comment and only add the first path. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Reviewed-by: Maxime Jourdan <mjourdan@baylibre.com> Acked-by: Jerome Brunet <jbrunet@baylibre.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Link: https://lkml.kernel.org/r/20190324151423.19063-3-martin.blumenstingl@googlemail.com
* clk: meson: meson8b: add the VPU clock treesMartin Blumenstingl2019-04-012-1/+175
| | | | | | | | | | | | | | | | | | | | | | | The VPU clock tree is slightly different on all three supported SoCs: Meson8 only has an input mux (which chooses between "fclk_div4", "fclk_div3", "fclk_div5" and "fclk_div7"), a divider and a gate. Meson8b has two VPU clock trees, each with an input mux (using the same parents as the input mux on Meson8), divider and a gates. The final VPU clock is a glitch-free mux which chooses between VPU_1 and VPU_2. Meson8m2 uses a similar clock tree as Meson8b but the last input clock is different: instead of using "fclk_div7" as input Meson8m2 uses "gp_pll". This was probably done in hardware to improve the accuracy of the clock because fclk_div7 gives us 2550MHz / 7 = 364.286MHz while GP_PLL can achieve 364.0MHz. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Acked-by: Jerome Brunet <jbrunet@baylibre.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Link: https://lkml.kernel.org/r/20190324151104.18397-5-martin.blumenstingl@googlemail.com
* clk: meson: meson8b: add support for the GP_PLL clock on Meson8m2Martin Blumenstingl2019-04-012-1/+66
| | | | | | | | | | | | | | | | | Meson8m2 has a GP_PLL clock (similar to GP0_PLL on GXBB/GXL/GXM) which is used as input for the VPU clocks. The only supported frequency (based on Amlogic's vendor kernel sources) is 364MHz which is achieved using the following parameters: - input: XTAL (24MHz) - M = 182 - N = 3 - OD = 2 ^ 2 Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Acked-by: Jerome Brunet <jbrunet@baylibre.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Link: https://lkml.kernel.org/r/20190324151104.18397-4-martin.blumenstingl@googlemail.com
* clk: meson: meson8b: use a separate clock table for Meson8m2Martin Blumenstingl2019-04-011-1/+192
| | | | | | | | | | | | | | | | | | | | | | | Meson8, Meson8b and Meson8m2 implement a similar clock controller. However, there are a few differences between the three actual IP blocks. One example where Meson8m2 differs from Meson8b is the VPU clock setup: - the VPU input mux can choose between "fclk_div4", "fclk_div3", "fclk_div5" and "fclk_div7" on Meson8b - however, on Meson8m2 it can choose between "fclk_div4", "fclk_div3", "fclk_div5" and "gp_pll" (GP_PLL only exists on Meson8m2, it's the predecessor of the GP0_PLL clock on GXBB/GXL/GXM)) Add a separate clk_hw_onecell_data table for Meson8m2 so these differences can be implemented in our clock controller driver. For now meson8m2_hw_onecell_data is a clone of our existing meson8b_hw_onecell_data. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Acked-by: Jerome Brunet <jbrunet@baylibre.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Link: https://lkml.kernel.org/r/20190324151104.18397-3-martin.blumenstingl@googlemail.com
* clk: meson-g12a: add video decoder clocksMaxime Jourdan2019-04-012-1/+170
| | | | | | | | | | | | | | | | Add the necessary clock parts for: - VDEC_1: used to feed VDEC_1 - VDEC_HEVC: the "back" part of the VDEC_HEVC block - VDEC_HEVCF: the "front" part of the VDEC_HEVC block In previous SoC generations (GXL, GXBB), there was only one VDEC_HEVC clock, which got split in two parts for G12A. Signed-off-by: Maxime Jourdan <mjourdan@baylibre.com> Acked-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Link: https://lkml.kernel.org/r/20190319101138.27520-2-mjourdan@baylibre.com
* clk: meson-g12a: add PCIE PLL clocksNeil Armstrong2019-04-012-1/+122
| | | | | | | | | | | | | | | | | | | Add the PCIe reference clock feeding the USB3 + PCIE combo PHY. This PLL needs a very precise register sequence to permit to be locked, thus using the specific clk-pll pcie ops. The PLL is then followed by : - a fixed /2 divider - a 5-bit 1-based divider - a final /2 divider This reference clock is fixed to 100MHz, thus only a single PLL setup is added. Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Acked-by: Jerome Brunet <jbrunet@baylibre.com> Link: https://lkml.kernel.org/r/20190307141455.23879-4-narmstrong@baylibre.com
* clk: meson-pll: add reduced specific clk_ops for G12A PCIe PLLNeil Armstrong2019-04-012-0/+27
| | | | | | | | | | | | The Meson G12A PCIE PLL is fined tuned to deliver a very precise 100MHz reference clock for the PCIe Analog PHY, and thus requires a strict register sequence to enable the PLL. To simplify, use the _init() op to enable the PLL and keep the other ops except set_rate since the rate is fixed. Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Acked-by: Jerome Brunet <jbrunet@baylibre.com> Link: https://lkml.kernel.org/r/20190307141455.23879-2-narmstrong@baylibre.com
* clk: meson: g12a: add cpu clocksNeil Armstrong2019-04-012-1/+371
| | | | | | | | | | | | | | | | Add the Amlogic G12A Family CPU Clock tree in read/only for now. The CPU clock can either use the SYS_PLL for > 1GHz frequencies or use a couple of div+mux from 1GHz/667MHz/24MHz source with 2 non-glitch muxes. Proper DVFS support will come in a second time. Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Acked-by: Jerome Brunet <jbrunet@baylibre.com> [narmstrong: fixed cpu clocks namings] Link: https://lkml.kernel.org/r/20190304131129.7762-3-narmstrong@baylibre.com
* dt-bindings: clock: g12a-aoclk: expose CLKID_AO_CTS_OSCINNeil Armstrong2019-04-011-1/+0
| | | | | | | | | | | | | | When submitted v2 of the G12A AO-CLK IDs, the CLKID_AO_CTS_OSCIN was moved to the internal non-exported bindings, but this clock is necessary for the second AO-CEC-B module since it embeds the 32768Hz dual-divider clock generator unlike the AO-CEC-A module. Export it back to the public bindings. Fixes: be3d960b0aeb ("dt-bindings: clk: add G12A AO Clock and Reset Bindings") Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lkml.kernel.org/r/20190321092010.14382-1-narmstrong@baylibre.com
* dt-bindings: clock: axg-audio: unexpose controller inputsJerome Brunet2019-04-011-0/+20
| | | | | | | | | | | | | | | | | | | Remove the bindings ID of the clock input of the controller. These clocks are purely internal to the controller, exposing them was a mistake. Actually, these should not even be in the provider and have IDs to begin with. Unexpose these IDs before: * someone starts using them (even if there no valid reason to do so) * the actual clocks are removed. The fact that they exist is just the result of an ugly hack. This will be resolved in CCF when we can reference DT directly in parent table. Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Acked-by: Maxime Jourdan <mjourdan@baylibre.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Link: https://lkml.kernel.org/r/20190213095835.17448-1-jbrunet@baylibre.com
* clk: g12a-aoclk: re-export CLKID_AO_SAR_ADC_SEL clock idNeil Armstrong2019-03-191-1/+0
| | | | | | | | | | | | | When submitted v2 of the G12A AO-CLK IDs, the SAR_ADC_SEL ID was moved to the internal non-exported bindings, but this clock is necessary and mandatory for the SAR ADC bindings. Export it back to the public bindings. Fixes: be3d960b0aeb ("dt-bindings: clk: add G12A AO Clock and Reset Bindings") Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Acked-by: Jerome Brunet <jbrunet@baylibre.com> Link: https://lkml.kernel.org/r/20190304105358.4987-1-narmstrong@baylibre.com
* Merge tag 'clk-for-linus' of ↵Linus Torvalds2019-03-14143-1572/+8658
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull clk subsystem updates from Stephen Boyd: "We have a fairly balanced mix of clk driver updates and clk framework updates this time around. It's the usual pile of new drivers for new hardware out there and the normal small fixes and updates, but then we have some core framework changes too. In the core framework, we introduce support for a clk_get_optional() API to get clks that may not always be populated and a way to devm manage clkdev lookups registered by provider drivers. We also do some refactoring to simplify the interface between clkdev and the common clk framework so we can reuse the DT parsing and clk_get() path in provider drivers in the future. This work will continue in the next few cycles while we convert how providers specify clk parents. On the driver side, the biggest part of the dirstat is the Amlogic clk driver that got support for the G12A SoC. It dominates with almost half the overall diff, while the second largest part of the diff is in the i.MX clk driver that gained support for imx8mm SoCs. After that, we have the Actions Semiconductor and Qualcomm drivers rounding out the big part of the dirstat because they both got new hardware support for SoCs. The rest is just various updates and non-critical fixes for existing drivers. Core: - Convert a few clk bindings to JSON schema format - Add a {devm_}clk_get_optional() API - Add devm_clk_hw_register_clkdev() API to manage clkdev lookups - Start rewriting clk parent registration and supporting device links by moving around code that supports clk_get() and DT parsing of the 'clocks' property New Drivers: - Add Qualcomm MSM8998 RPM managed clks - IPA clk support on Qualcomm RPMh clk controllers - Actions Semi S500 SoC clk support - Support for fixed rate clks populated from an MMIO register - Add RPC (QSPI/HyperFLASH) clocks on Renesas R-Car V3H - Add TMU (timer) clocks on Renesas RZ/G2E - Add Amlogic G12A Always-On Clock Controller - Add 32k clock generation for Amlogic AXG - Add support for the Mali GPU clocks on Amlogic Meson8 - Add Amlogic G12A EE clock controller driver - Add missing CANFD clocks on Renesas RZ/G2M and RZ/G2E - Add i.MX8MM SoC clk driver support Removed Drivers: - Remove clps711x driver as the board support is gone Updates: - 3rd ECO fix for Mediatek MT2712 SoCs - Updates for Qualcomm MSM8998 GCC clks - Random static analysis fixes for clk drivers - Support for sleeping gpios in the clk-gpio type - Minor fixes for STM32MP1 clk driver (parents, critical flag, etc.) - Split LCDC into two clks on the Marvell MMP2 SoC - Various DT of_node refcount fixes - Get rid of CLK_IS_BASIC from TI code (yay!) - TI Autoidle clk support - Fix Amlogic Meson8 APB clock ID name - Claim input clocks through DT for Amlogic AXG and GXBB - Correct the DU (display unit) parent clock on Renesas RZ/G2E - Exynos5433 IMEM CMU crypto clk support (SlimSS) - Fix for the PLL-MIPI on the Allwinner A23 - Fix Rockchip rk3328 PLL rate calculation - Add SET_RATE_PARENT flag on display clk of Rockhip rk3066 - i.MX SCU clk driver clk_set_parent() and cpufreq support" * tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (150 commits) dt-bindings: clock: imx8mq: Fix numbering overlaps and gaps clk: ti: clkctrl: Fix clkdm_name regression for TI_CLK_CLKCTRL_COMPAT clk: fixup default index for of_clk_get_by_name() clk: Move of_clk_*() APIs into clk.c from clkdev.c clk: Inform the core about consumer devices clk: Introduce of_clk_get_hw_from_clkspec() clk: core: clarify the check for runtime PM clk: Combine __clk_get() and __clk_create_clk() clk: imx8mq: add GPIO clocks to clock tree clk: mediatek: correct cpu clock name for MT8173 SoC clk: imx: Refactor entire sccg pll clk clk: imx: scu: add cpu frequency scaling support clk: mediatek: Mark bus and DRAM related clocks as critical clk: mediatek: Add flags to mtk_gate clk: mediatek: Add MUX_FLAGS macro clk: qcom: gcc-sdm845: Define parent of PCIe PIPE clocks clk: ingenic: Remove set but not used variable 'enable' clk: at91: programmable: remove unneeded register read clk: mediatek: using CLK_MUX_ROUND_CLOSEST for the clock of dpi1_sel clk: mediatek: add MUX_GATE_FLAGS_2 ...
| * clk: ti: clkctrl: Fix clkdm_name regression for TI_CLK_CLKCTRL_COMPATTony Lindgren2019-03-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit a72d785021cb ("clk: ti: Prepare for remove of OF node name") changed the code to use kasprintf() for provider->clkdm_name but also changed the offset used later on by three. We don't need to change the offset as we already have the extra three characters in the format for kasprintf with "%pOFnxxx". This caused the clocks with TI_CLK_CLKCTRL_COMPAT to have NULL clk->clkdm_name for omap4 and 5. And null clkdm_name can cause module reset, enable, and idle to fail. The issue can also be seen also when enabling DEBUG for clkctrl.c and then we start seeing "clock: could not associate" messages for omap4 and 5 as the generated name is something like "l4_wkclkdm" instead of "l4_wkup_clkdm" that's needed. Let's fix the issue with a partial revert of commit a72d785021cb ("clk: ti: Prepare for remove of OF node name"). ALso note that in general code should not depend on the dts node names. And the node names should be generic types like clock-domain in this case. This could be fixed later by using separate compatible properties for the clockdomains, or by adding soc_device_match() table with reg offsets to the driver. But let's fix the regression first. Fixes: a72d785021cb ("clk: ti: Prepare for remove of OF node name") Cc: Tero Kristo <t-kristo@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| * clk: fixup default index for of_clk_get_by_name()Kuninori Morimoto2019-03-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | of_clk_get_by_name() is using -1 for __of_clk_get() index. It will go to of_parse_clkspec(), and be used for of_parse_phandle_with_args(). Here, if user doesn't specify clock name (= of_clk_get_by_name(np, NULL)), this index is still -1, and of_parse_phandle_with_args() will return -EINVAL (This index will be updated if if it had clock name). clk_get_by_name(np, NULL) should work, then, default index should be 0 instead of -1. This patch fixes it. Fixes: 4472287a3b2f ("clk: Introduce of_clk_get_hw_from_clkspec()") Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| * Merge branch 'clk-parent-rewrite' (early part) into clk-nextStephen Boyd2019-03-083-178/+230
| |\ | | | | | | | | | | | | | | | | | | | | | | | | * 'clk-parent-rewrite' (early part): clk: Move of_clk_*() APIs into clk.c from clkdev.c clk: Inform the core about consumer devices clk: Introduce of_clk_get_hw_from_clkspec() clk: core: clarify the check for runtime PM clk: Combine __clk_get() and __clk_create_clk()
| | * clk: Move of_clk_*() APIs into clk.c from clkdev.cStephen Boyd2019-03-013-66/+62
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The API between clk.c and clkdev.c is purely getting the clk_hw structure (or the struct clk if it's not CCF) and then turning that struct clk_hw pointer into a struct clk pointer via clk_hw_create_clk(). There's no need to complicate clkdev.c with these DT parsing details that are only relevant to the common clk framework. Move the DT parsing logic into the core framework and just expose the APIs to get a clk_hw pointer and convert it. Cc: Miquel Raynal <miquel.raynal@bootlin.com> Cc: Jerome Brunet <jbrunet@baylibre.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Michael Turquette <mturquette@baylibre.com> Cc: Jeffrey Hugo <jhugo@codeaurora.org> Cc: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | * clk: Inform the core about consumer devicesStephen Boyd2019-03-013-9/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We'd like to have a pointer to the device that's consuming a particular clk in the clk framework so we can link the consumer to the clk provider with a PM device link. Add a device argument to clk_hw_create_clk() for this so it can be used in subsequent patches to add and remove the link. Cc: Miquel Raynal <miquel.raynal@bootlin.com> Cc: Jerome Brunet <jbrunet@baylibre.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Michael Turquette <mturquette@baylibre.com> Cc: Jeffrey Hugo <jhugo@codeaurora.org> Cc: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | * clk: Introduce of_clk_get_hw_from_clkspec()Stephen Boyd2019-03-013-65/+69
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We want to get struct clk_hw pointers from a DT clk specifier (i.e. a clocks property) so that we can find parent clks without searching for globally unique clk names. This should save time by avoiding the global string search for clks that are external to the clock controller providing the clk and let us move away from string comparisons in general. Introduce of_clk_get_hw_from_clkspec() which is largely the DT parsing part of finding clks implemented in clkdev.c and have that return a clk_hw pointer instead of converting that into a clk pointer. This lets us push up the clk pointer creation to the caller in clk_get() and avoids the need to push the dev_id and con_id throughout the DT parsing code. Cc: Miquel Raynal <miquel.raynal@bootlin.com> Cc: Jerome Brunet <jbrunet@baylibre.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Michael Turquette <mturquette@baylibre.com> Cc: Jeffrey Hugo <jhugo@codeaurora.org> Cc: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | * clk: core: clarify the check for runtime PMMiquel Raynal2019-03-011-6/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, the core->dev entry is populated only if runtime PM is enabled. Doing so prevents accessing the device structure in any case. Keep the same logic but instead of using the presence of core->dev as the only condition, also check the status of pm_runtime_enabled(). Then, we can set the core->dev pointer at any time as long as a device structure is available. This change will help supporting device links in the clock subsystem. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Cc: Jerome Brunet <jbrunet@baylibre.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Michael Turquette <mturquette@baylibre.com> Cc: Jeffrey Hugo <jhugo@codeaurora.org> Cc: Chen-Yu Tsai <wens@csie.org> [sboyd@kernel.org: Change to a boolean flag] Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | * clk: Combine __clk_get() and __clk_create_clk()Stephen Boyd2019-03-013-61/+98
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The __clk_get() function is practically a private clk implementation detail now. No architecture defines it, and given that new code should be using the common clk framework there isn't a need for it to keep existing just to serve clkdev purposes. Let's fold it into the __clk_create_clk() function and make that a little more generic by renaming it to clk_hw_create_clk(). This will allow the framework to create a struct clk handle to a particular clk_hw pointer and link it up as a consumer wherever that's needed. Doing this also lets us get rid of the __clk_free_clk() API that had to be kept in sync with __clk_put(). Splitting that API up into the "link and unlink from consumer list" phase and "free the clk pointer" phase allows us to reuse that logic in a couple places, simplifying the code. Cc: Miquel Raynal <miquel.raynal@bootlin.com> Cc: Jerome Brunet <jbrunet@baylibre.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Michael Turquette <mturquette@baylibre.com> Cc: Jeffrey Hugo <jhugo@codeaurora.org> Cc: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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| *-----. \ Merge branches 'clk-typo', 'clk-json-schema', 'clk-mtk-2712-eco' and ↵Stephen Boyd2019-03-084-11/+15
| |\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 'clk-rockchip' into clk-next - Convert a few clk bindings to JSON schema format - 3rd ECO fix for Mediatek MT2712 SoCs * clk-typo: clk: samsung: fix typo * clk-json-schema: dt-bindings: clock: Convert fixed-factor-clock to json-schema dt-bindings: clock: Convert fixed-clock binding to json-schema * clk-mtk-2712-eco: clk: mediatek: update clock driver of MT2712 dt-bindings: clock: add clock for MT2712 * clk-rockchip: clk: rockchip: add CLK_SET_RATE_PARENT for rk3066 lcdc dclks clk: rockchip: fix frac settings of GPLL clock for rk3328
| | | | | * | clk: rockchip: add CLK_SET_RATE_PARENT for rk3066 lcdc dclksFinley Xiao2019-01-071-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add CLK_SET_RATE_PARENT for both rk3066 lcdc dclk. Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com> Signed-off-by: Johan Jonker <jbx6244@gmail.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
| | | | | * | clk: rockchip: fix frac settings of GPLL clock for rk3328Katsuhiro Suzuki2019-01-071-6/+6
| | | | |/ / | | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes settings of GPLL frequency in fractional mode for rk3328. In this mode, FOUTVCO is calcurated by following formula: FOUTVCO = FREF * FBDIV / REFDIV + ((FREF * FRAC / REFDIV) >> 24) The problem is in FREF * FRAC >> 24 term. This result always lacks one from target value is specified by rate member. For example first itme of rk3328_pll_frac_rate originally has - rate : 1016064000 - refdiv: 3 - fbdiv : 127 - frac : 134217 - FREF * FBDIV / REFDIV = 1016000000 - (FREF * FRAC / REFDIV) >> 24 = 63999 Thus calculated rate is 1016063999. It seems wrong. If frac has 134218 (it is increased 1 from original value), second term is 64000. All other items have same situation. So this patch adds 1 to frac member in all items of rk3328_pll_frac_rate. Signed-off-by: Katsuhiro Suzuki <katsuhiro@katsuster.net> Acked-by: Elaine Zhang <zhangqing@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
| | | | * | clk: mediatek: update clock driver of MT2712Weiyi Lu2019-02-051-2/+6
| | | |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | According to 3rd ECO design change, 1. Add new fixed factor clock of audio. 2. Add the parent clocks for audio clock mux. Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | * / / clk: samsung: fix typoMatteo Croce2019-01-241-1/+1
| | |/ / | | | | | | | | | | | | | | | | | | | | | | | | Fix spelling mistake: "lenght" -> "length" Signed-off-by: Matteo Croce <mcroce@redhat.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| * | | Merge branch 'clk-at91' into clk-nextStephen Boyd2019-03-083-5/+10
| |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * clk-at91: clk: at91: programmable: remove unneeded register read clk: at91: optimize clk_round_rate() for AUDIO_PLL clk: at91: enable AUDIOPLL as source for PCKx on SAMA5D2
| | * | | clk: at91: programmable: remove unneeded register readNicolas Ferre2019-02-251-3/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This register read is a leftover of a previous read/modify/write. We now use regmap_update_bits(), so we don't need it anymore. Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | * | | clk: at91: optimize clk_round_rate() for AUDIO_PLLMichał Mirosław2019-02-221-1/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Stop the search for parent rate when exact match is found. This makes for 3 clk_round_rate() calls instead of 64 of them on SAMA5D2-based board when searching for 12.288MHz clock. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Reviewed-by: Nicolas Ferre <nicolas.ferre@microchip.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | * | | clk: at91: enable AUDIOPLL as source for PCKx on SAMA5D2Michał Mirosław2019-01-091-1/+2
| | |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | Datasheet for SAMA5D2x mentions 6 sources for PCKx, the last being AUDIOPLL. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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| *-------. \ \ Merge branches 'clk-ingenic', 'clk-mtk-mux', 'clk-qcom-sdm845-pcie', ↵Stephen Boyd2019-03-0811-50/+88
| |\ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 'clk-mtk-crit' and 'clk-mtk' into clk-next * clk-ingenic: clk: ingenic: Remove set but not used variable 'enable' clk: ingenic: Fix doc of ingenic_cgu_div_info clk: ingenic: Fix round_rate misbehaving with non-integer dividers clk: ingenic: jz4740: Fix gating of UDC clock * clk-mtk-mux: clk: mediatek: using CLK_MUX_ROUND_CLOSEST for the clock of dpi1_sel clk: mediatek: add MUX_GATE_FLAGS_2 * clk-qcom-sdm845-pcie: clk: qcom: gcc-sdm845: Define parent of PCIe PIPE clocks * clk-mtk-crit: clk: mediatek: Mark bus and DRAM related clocks as critical clk: mediatek: Add flags to mtk_gate clk: mediatek: Add MUX_FLAGS macro * clk-mtk: clk: mediatek: correct cpu clock name for MT8173 SoC
| | | | | | * | | clk: mediatek: correct cpu clock name for MT8173 SoCSeiya Wang2019-02-261-2/+2
| | | | | | |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Correct cpu clock name from ca57 to ca72 since MT8173 does use cortex-a72. Signed-off-by: Seiya Wang <seiya.wang@mediatek.com> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | | | | * | | clk: mediatek: Mark bus and DRAM related clocks as criticalJasper Mattsson2019-02-261-25/+43
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, DRAM-related clocks are not marked with CLK_IS_CRITICAL for MT6797. This causes memory corruption when the system is booted without clk_ignore_unused. This patch marks MUX ddrphycfg_sel as well as gates infra_dramc_f26m and infra_dramc_b_f26m as CLK_IS_CRITICAL. Signed-off-by: Jasper Mattsson <jasu@njomotys.info> Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | | | | * | | clk: mediatek: Add flags to mtk_gateJasper Mattsson2019-02-264-3/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is required to mark gates as CLK_IS_CRITICAL. Signed-off-by: Jasper Mattsson <jasu@njomotys.info> Acked-by: Mars Cheng <mars.cheng@mediatek.com> Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | | | | * | | clk: mediatek: Add MUX_FLAGS macroJasper Mattsson2019-02-261-2/+6
| | | | | |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is required to mark outputs of certain MUXes as CLK_IS_CRITICAL. Signed-off-by: Jasper Mattsson <jasu@njomotys.info> Acked-by: Mars Cheng <mars.cheng@mediatek.com> Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | | | * / / clk: qcom: gcc-sdm845: Define parent of PCIe PIPE clocksBjorn Andersson2019-02-261-0/+5
| | | | |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The PCIe PIPE clock in the GCC is fed by the PIPE clock coming from the PHY, describe this relationship. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | | * | | clk: mediatek: using CLK_MUX_ROUND_CLOSEST for the clock of dpi1_selchunhui dai2019-02-251-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The MUX clock of dpi1_sel should select the closet clock for itself. We could add this flag to enable this function of MUX in CCF. Signed-off-by: chunhui dai <chunhui.dai@mediatek.com> Signed-off-by: wangyan wang <wangyan.wang@mediatek.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | | * | | clk: mediatek: add MUX_GATE_FLAGS_2chunhui dai2019-02-252-7/+15
| | | |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add MUX_GATE_FLAGS_2 for the clock which needs to set two falgs. Such as some mux need to set the flags of "CLK_MUX_ROUND_CLOSEST". Signed-off-by: chunhui dai <chunhui.dai@mediatek.com> Signed-off-by: wangyan wang <wangyan.wang@mediatek.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | * | | clk: ingenic: Remove set but not used variable 'enable'YueHaibing2019-02-261-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes gcc '-Wunused-but-set-variable' warning: drivers/clk/ingenic/cgu.c: In function 'ingenic_pll_recalc_rate': drivers/clk/ingenic/cgu.c:86:15: warning: variable 'enable' set but not used [-Wunused-but-set-variable] It's not used after commit ab27eb4bc365 ("clk: ingenic: Add code to enable/disable PLLs") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | * | | clk: ingenic: Fix doc of ingenic_cgu_div_infoPaul Cercueil2019-02-221-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The 'div' field does not represent a number of bits used to divide (understand: right-shift) the divider, but a number itself used to divide the divider. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Maarten ter Huurne <maarten@treewalker.org> Cc: <stable@vger.kernel.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | * | | clk: ingenic: Fix round_rate misbehaving with non-integer dividersPaul Cercueil2019-02-221-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Take a parent rate of 180 MHz, and a requested rate of 4.285715 MHz. This results in a theorical divider of 41.999993 which is then rounded up to 42. The .round_rate function would then return (180 MHz / 42) as the clock, rounded down, so 4.285714 MHz. Calling clk_set_rate on 4.285714 MHz would round the rate again, and give a theorical divider of 42,0000028, now rounded up to 43, and the rate returned would be (180 MHz / 43) which is 4.186046 MHz, aka. not what we requested. Fix this by rounding up the divisions. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Tested-by: Maarten ter Huurne <maarten@treewalker.org> Cc: <stable@vger.kernel.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | * | | clk: ingenic: jz4740: Fix gating of UDC clockPaul Cercueil2019-02-051-1/+1
| | |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The UDC clock is gated when the bit is cleared, not when it is set. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Tested-by: Artur Rojek <contact@artur-rojek.eu> Fixes: 2b555a4b9cae ("clk: ingenic: Add missing flag for UDC clock") Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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| *-----. \ \ Merge branches 'clk-qcom-msm8998', 'clk-fractional-parent', 'clk-x86-mv' and ↵Stephen Boyd2019-03-0815-67/+155
| |\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 'clk-SA-fixes' into clk-next - Updates for qcom MSM8998 GCC clks - qcom MSM8998 RPM managed clks - Random static analysis fixes for clk drivers * clk-qcom-msm8998: clk: qcom: Make common clk_hw registrations clk: qcom: smd: Add support for MSM8998 rpm clocks clk: qcom: Skip halt checks on gcc_usb3_phy_pipe_clk for 8998 clk: qcom: Add missing freq for usb30_master_clk on 8998 clk: qcom: Add CLK_SET_RATE_PARENT for 8998 branch clocks * clk-fractional-parent: clk: fractional-divider: check parent rate only if flag is set * clk-x86-mv: clk: x86: Move clk-lpss.h to platform_data/x86 * clk-SA-fixes: clk: mediatek: fix platform_no_drv_owner.cocci warnings clk: tegra: dfll: Fix debugfs_simple_attr.cocci warnings clk: qoriq: Improve an error message
| | | | | * | | clk: mediatek: fix platform_no_drv_owner.cocci warningsYueHaibing2019-02-221-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove .owner field if calls are used which set it automatically Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | | | | * | | clk: tegra: dfll: Fix debugfs_simple_attr.cocci warningsYueHaibing2019-02-221-9/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use DEFINE_DEBUGFS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTRIBUTE for debugfs files. Semantic patch information: Rationale: DEFINE_SIMPLE_ATTRIBUTE + debugfs_create_file() imposes some significant overhead as compared to DEFINE_DEBUGFS_ATTRIBUTE + debugfs_create_file_unsafe(). Generated by: scripts/coccinelle/api/debugfs/debugfs_simple_attr.cocci Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | | | | * | | clk: qoriq: Improve an error messageDan Carpenter2019-02-221-2/+2
| | | | | |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We intended to print "ret" but there is a copy and paste bug from the previous error message. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | | | * / / clk: x86: Move clk-lpss.h to platform_data/x86Andy Shevchenko2019-02-221-1/+1
| | | | |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | clk-lpss.h is solely x86 related header. Move it to correct folder. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | | * / / clk: fractional-divider: check parent rate only if flag is setKatsuhiro Suzuki2019-02-221-1/+1
| | | |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Custom approximation of fractional-divider may not need parent clock rate checking. For example Rockchip SoCs work fine using grand parent clock rate even if target rate is greater than parent. This patch checks parent clock rate only if CLK_SET_RATE_PARENT flag is set. For detailed example, clock tree of Rockchip I2S audio hardware. - Clock rate of CPLL is 1.2GHz, GPLL is 491.52MHz. - i2s1_div is integer divider can divide N (N is 1~128). Input clock is CPLL or GPLL. Initial divider value is N = 1. Ex) PLL = CPLL, N = 10, i2s1_div output rate is CPLL / 10 = 1.2GHz / 10 = 120MHz - i2s1_frac is fractional divider can divide input to x/y, x and y are 16bit integer. CPLL --> | selector | ---> i2s1_div -+--> | selector | --> I2S1 MCLK GPLL --> | | ,--------------' | | `--> i2s1_frac ---> | | Clock mux system try to choose suitable one from i2s1_div and i2s1_frac for master clock (MCLK) of I2S1. Bad scenario as follows: - Try to set MCLK to 8.192MHz (32kHz audio replay) Candidate setting is - i2s1_div: GPLL / 60 = 8.192MHz i2s1_div candidate is exactly same as target clock rate, so mux choose this clock source. i2s1_div output rate is changed 491.52MHz -> 8.192MHz - After that try to set to 11.2896MHz (44.1kHz audio replay) Candidate settings are - i2s1_div : CPLL / 107 = 11.214945MHz - i2s1_frac: i2s1_div = 8.192MHz This is because clk_fd_round_rate() thinks target rate (11.2896MHz) is higher than parent rate (i2s1_div = 8.192MHz) and returns parent clock rate. Above is current upstreamed behavior. Clock mux system choose i2s1_div, but this clock rate is not acceptable for I2S driver, so users cannot replay audio. Expected behavior is: - Try to set master clock to 11.2896MHz (44.1kHz audio replay) Candidate settings are - i2s1_div : CPLL / 107 = 11.214945MHz - i2s1_frac: i2s1_div * 147/6400 = 11.2896MHz Change i2s1_div to GPLL / 1 = 491.52MHz at same time. If apply this commit, clk_fd_round_rate() calls custom approximate function of Rockchip even if target rate is higher than parent. Custom function changes both grand parent (i2s1_div) and parent (i2s_frac) settings at same time. Clock mux system can choose i2s1_frac and audio works fine. Signed-off-by: Katsuhiro Suzuki <katsuhiro@katsuster.net> Reviewed-by: Heiko Stuebner <heiko@sntech.de> [sboyd@kernel.org: Make function into a macro instead] Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | * | | clk: qcom: Make common clk_hw registrationsJeffrey Hugo2019-02-229-52/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Several clock controller drivers define a list of clk_hw devices, and then register those devices in probe() before using common code to process the rest of initialization. Extend the common code to accept a list of clk_hw devices to process, thus eliminating many duplicate implementations. Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org> Suggested-by: Stephen Boyd <sboyd@kernel.org> Reviewed-by: Vinod Koul <vkoul@kernel.org> Tested-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | * | | clk: qcom: smd: Add support for MSM8998 rpm clocksJeffrey Hugo2019-01-091-0/+63
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add rpm smd clocks, PMIC and bus clocks which are required on MSM8998 for clients to vote on. Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| | * | | clk: qcom: Skip halt checks on gcc_usb3_phy_pipe_clk for 8998Jeffrey Hugo2019-01-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The gcc_usb3_phy_pipe_clk is generated by the phy, but is also used by the phy during init. The clock needs to be enabled during the init sequence, but may not be fully active until after the init sequence is complete. This causes a catch-22 if the clock status is checked during enable. As a result, skip the checks to avoid the troubling situation. Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 23:00:05 +0100