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2023-08-31Merge branches 'clk-versa', 'clk-strdup', 'clk-amlogic', 'clk-allwinner' and ↵Stephen Boyd2-1/+61
'clk-rockchip' into clk-next - Add Versa3 clk generator to support 48KHz playback/record with audio codec on RZ/G2L SMARC EVK - Introduce kstrdup_and_replace() and use it * clk-versa: clk: vc7: Use i2c_get_match_data() instead of device_get_match_data() clk: vc5: Use i2c_get_match_data() instead of device_get_match_data() clk: versaclock3: Switch to use i2c_driver's probe callback clk: Add support for versa3 clock driver dt-bindings: clock: Add Renesas versa3 clock generator bindings * clk-strdup: clk: ti: Replace kstrdup() + strreplace() with kstrdup_and_replace() clk: tegra: Replace kstrdup() + strreplace() with kstrdup_and_replace() driver core: Replace kstrdup() + strreplace() with kstrdup_and_replace() lib/string_helpers: Add kstrdup_and_replace() helper * clk-amlogic: (22 commits) dt-bindings: soc: amlogic: document System Control registers dt-bindings: clock: amlogic: convert amlogic,gxbb-aoclkc.txt to dt-schema dt-bindings: clock: amlogic: convert amlogic,gxbb-clkc.txt to dt-schema clk: meson: axg-audio: move bindings include to main driver clk: meson: meson8b: move bindings include to main driver clk: meson: a1: move bindings include to main driver clk: meson: eeclk: move bindings include to main driver clk: meson: aoclk: move bindings include to main driver dt-bindings: clk: axg-audio-clkc: expose all clock ids dt-bindings: clk: amlogic,a1-pll-clkc: expose all clock ids dt-bindings: clk: amlogic,a1-peripherals-clkc: expose all clock ids dt-bindings: clk: meson8b-clkc: expose all clock ids dt-bindings: clk: g12a-aoclkc: expose all clock ids dt-bindings: clk: g12a-clks: expose all clock ids dt-bindings: clk: axg-clkc: expose all clock ids dt-bindings: clk: gxbb-clkc: expose all clock ids clk: meson: migrate axg-audio out of hw_onecell_data to drop NR_CLKS clk: meson: migrate meson8b out of hw_onecell_data to drop NR_CLKS clk: meson: migrate a1 clock drivers out of hw_onecell_data to drop NR_CLKS clk: meson: migrate meson-aoclk out of hw_onecell_data to drop NR_CLKS ... * clk-allwinner: clk: sunxi-ng: nkm: Prefer current parent rate clk: sunxi-ng: a64: select closest rate for pll-video0 clk: sunxi-ng: div: Support finding closest rate clk: sunxi-ng: mux: Support finding closest rate clk: sunxi-ng: nkm: Support finding closest rate clk: sunxi-ng: nm: Support finding closest rate clk: sunxi-ng: Add helper function to find closest rate clk: sunxi-ng: Add feature to find closest rate clk: sunxi-ng: a64: allow pll-mipi to set parent's rate clk: sunxi-ng: nkm: consider alternative parent rates when determining rate clk: sunxi-ng: nkm: Use correct parameter name for parent HW clk: sunxi-ng: Modify mismatched function name clk: sunxi: sun9i-mmc: Use devm_platform_get_and_ioremap_resource() * clk-rockchip: clk: rockchip: rv1126: Add PD_VO clock tree clk: rockchip: rk3568: Fix PLL rate setting for 78.75MHz clk: rockchip: rk3568: Add PLL rate for 101MHz
2023-08-11clk: rockchip: rv1126: Add PD_VO clock treeJagan Teki1-0/+59
PD_VO clock tree diagram in RV1126 is connected to - BIU_VO - VOP - RGA - IEP - DSIHOST Add entire PD_VO clock tree for rv1126. Signed-off-by: Jagan Teki <jagan@edgeble.ai> Link: https://lore.kernel.org/r/20230731110012.2913742-3-jagan@edgeble.ai Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2023-07-19clk: Explicitly include correct DT includesRob Herring2-2/+2
The DT of_device.h and of_platform.h date back to the separate of_platform_bus_type before it as merged into the regular platform bus. As part of that merge prepping Arm DT support 13 years ago, they "temporarily" include each other. They also include platform_device.h and of.h. As a result, there's a pretty much random mix of those include files used throughout the tree. In order to detangle these headers and replace the implicit includes with struct declarations, users need to explicitly include the correct includes. Acked-by: Dinh Nguyen <dinguyen@kernel.org> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> # samsung Acked-by: Heiko Stuebner <heiko@sntech.de> #rockchip Acked-by: Chanwoo Choi <cw00.choi@samsung.com> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com> # versaclock5 Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20230718143156.1066339-1-robh@kernel.org Acked-by: Abel Vesa <abel.vesa@linaro.org> #imx Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2023-07-10clk: rockchip: rk3568: Fix PLL rate setting for 78.75MHzAlibek Omarov1-1/+1
PLL rate on RK356x is calculated through the simple formula: ((24000000 / _refdiv) * _fbdiv) / (_postdiv1 * _postdiv2) The PLL rate setting for 78.75MHz seems to be copied from 96MHz so this patch fixes it and configures it properly. Signed-off-by: Alibek Omarov <a1ba.omarov@gmail.com> Fixes: 842f4cb72639 ("clk: rockchip: Add more PLL rates for rk3568") Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de> Link: https://lore.kernel.org/r/20230614134750.1056293-1-a1ba.omarov@gmail.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2023-07-10clk: rockchip: rk3568: Add PLL rate for 101MHzAlibek Omarov1-0/+1
This patch adds PLL setting for not so common resolution as 1920x720-50.00, which can be set using 2500 horizontal signals and 808 vertical. Signed-off-by: Alibek Omarov <a1ba.omarov@gmail.com> Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de> Link: https://lore.kernel.org/r/20230614134716.1055862-1-a1ba.omarov@gmail.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2023-04-25Merge branches 'clk-of', 'clk-samsung', 'clk-rockchip' and 'clk-qcom' into ↵Stephen Boyd2-17/+27
clk-next * clk-of: clk: add missing of_node_put() in "assigned-clocks" property parsing * clk-samsung: clk: samsung: exynos850: Make PMU_ALIVE_PCLK critical clk: samsung: Convert to platform remove callback returning void clk: samsung: exynos5433: Extract PM support to common ARM64 layer clk: samsung: Extract parent clock enabling to common function clk: samsung: Extract clocks registration to common function clk: samsung: exynos850: Add AUD and HSI main gate clocks clk: samsung: exynos850: Implement CMU_G3D domain clk: samsung: clk-pll: Implement pll0818x PLL type clk: samsung: Set dev in samsung_clk_init() clk: samsung: Don't pass reg_base to samsung_clk_register_pll() clk: samsung: Remove np argument from samsung_clk_init() dt-bindings: clock: exynos850: Add AUD and HSI main gate clocks dt-bindings: clock: exynos850: Add Exynos850 CMU_G3D * clk-rockchip: clk: rockchip: rk3588: make gate linked clocks critical clk: rockchip: rk3399: allow clk_cifout to force clk_cifout_src to reparent * clk-qcom: (57 commits) clk: qcom: gcc-sc8280xp: Add EMAC GDSCs clk: qcom: dispcc-qcm2290: Remove inexistent DSI1PHY clk clk: qcom: add the GPUCC driver for sa8775p dt-bindings: clock: qcom: describe the GPUCC clock for SA8775P clk: qcom: gcc-sm8350: fix PCIe PIPE clocks handling clk: qcom: lpassaudiocc-sc7280: Add required gdsc power domain clks in lpass_cc_sc7280_desc clk: qcom: lpasscc-sc7280: Skip qdsp6ss clock registration dt-bindings: clock: qcom,sc7280-lpasscc: Add qcom,adsp-pil-mode property clk: qcom: rpm: Use managed `of_clk_add_hw_provider()` clk: qcom: Add Global Clock Controller driver for IPQ9574 dt-bindings: clock: Add ipq9574 clock and reset definitions clk: qcom: gpucc-sm6375: Configure CX_GDSC disable wait value clk: qcom: gcc-sm6115: Mark RCGs shared where applicable clk: qcom: dispcc-qcm2290: Add MDSS_CORE reset dt-bindings: clock: dispcc-qcm2290: Add MDSS_CORE reset clk: qcom: apss-ipq-pll: add support for IPQ5332 dt-bindings: clock: qcom,a53pll: add IPQ5332 compatible clk: qcom: apss-ipq-pll: refactor the driver to accommodate different PLL types dt-bindings: mailbox: qcom,apcs-kpss-global: fix SDX55 'if' match dt-bindings: mailbox: qcom,apcs-kpss-global: correct SDX55 clocks ...
2023-04-18clk: rockchip: rk3588: make gate linked clocks criticalSebastian Reichel1-16/+26
RK3588 has a couple of hardware blocks called Native Interface Unit (NIU) that gate the clocks to devices behind them. Effectively this means that some clocks require two parent clocks being enabled. Downstream implemented this by using a separate clock driver ("clk-link") for them, which enables the second clock using PM framework. In the upstream kernel we are currently missing support for the second parent. The information about it is in the GATE_LINK() macro as linkname, but that is not used. Thus the second parent clock is not properly enabled. So far this did not really matter, since these clocks are mostly required for the more advanced IP blocks, that are not yet supported upstream. As this is about to change we need a fix. There are three options available: 1. Properly implement support for having two parent clocks in the clock framework. 2. Mark the affected clocks CLK_IGNORE_UNUSED, so that they are not disabled. This wastes some power, but keeps the hack contained within the clock driver. Going from this to the first solution is easy once that has been implemented. 3. Enabling the extra clock in the consumer driver. This leaks some implementation details into DT. This patch implements the second option as an intermediate solution until the first one is available. I used an alias for CLK_IS_CRITICAL, so that it's easy to see which clocks are not really critical once the clock framework supports a better way to implement this. Tested-by: Vincent Legoll <vincent.legoll@gmail.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> Link: https://lore.kernel.org/r/20230403193250.108693-2-sebastian.reichel@collabora.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2023-04-05clk: rockchip: Remove values for mmask and nmask in struct ↵Christophe JAILLET1-2/+0
clk_fractional_divider Now that fractional_divider clk computes mmask and nmask when needed, there is no more need to provide them explicitly anymore. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/58e1950566e40e2fbb31004baee57a164ca6a390.1680423909.git.christophe.jaillet@wanadoo.fr Reviewed-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2023-03-07clk: rockchip: rk3399: allow clk_cifout to force clk_cifout_src to reparentQuentin Schulz1-1/+1
clk_cifout is derived from clk_cifout_src through an integer divider limited to 32. clk_cifout_src is a child of either cpll, gpll or npll without any possibility of a divider of any sort. The default clock parent is cpll. Let's allow clk_cifout to ask its parent clk_cifout_src to reparent in order to find the real closest possible rate for clk_cifout and not one derived from cpll only. Cc: stable@vger.kernel.org # 4.10+ Fixes: fd8bc829336a ("clk: rockchip: fix the rk3399 cifout clock") Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com> Link: https://lore.kernel.org/r/20221117-rk3399-cifout-set-rate-parent-v1-0-432548d04081@theobroma-systems.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2022-12-12Merge branches 'clk-spear', 'clk-fract', 'clk-rockchip' and 'clk-imx' into ↵Stephen Boyd9-35/+3795
clk-next - Debugfs support for fractional divider clk * clk-spear: clk: spear: Fix SSP clock definition on SPEAr600 clk: spear: Fix CLCD clock definition on SPEAr600 * clk-fract: clk: fractional-divider: Regroup inclusions clk: fractional-divider: Show numerator and denominator in debugfs clk: fractional-divider: Split out clk_fd_get_div() helper * clk-rockchip: clk: rockchip: Fix memory leak in rockchip_clk_register_pll() clk: rockchip: add clock controller for the RK3588 clk: rockchip: add lookup table support clk: rockchip: simplify rockchip_clk_add_lookup clk: rockchip: allow additional mux options for cpu-clock frequency changes clk: rockchip: add pll type for RK3588 clk: rockchip: add register offset of the cores select parent dt-bindings: clock: add rk3588 cru bindings dt-bindings: reset: add rk3588 reset definitions dt-bindings: clock: add rk3588 clock definitions clk: rockchip: use proper crypto0 name on rk3399 * clk-imx: clk: imx: rename imx_obtain_fixed_clk_hw() to imx_get_clk_hw_by_name() clk: imx8mn: fix imx8mn_enet_phy_sels clocks list clk: imx8mn: fix imx8mn_sai2_sels clocks list clk: imx: rename video_pll1 to video_pll clk: imx: replace osc_hdmi with dummy clk: imx8mn: rename vpu_pll to m7_alt_pll clk: imx: imxrt1050: add IMXRT1050_CLK_LCDIF_PIX clock gate clk: imx: imxrt1050: fix IMXRT1050_CLK_LCDIF_APB offsets clk: imx8mp: Add audio shared gate dt-bindings: clock: imx8mp: Add ids for the audio shared gate clk: imx: pll14xx: Add 320 MHz and 640 MHz entries for PLL146x clk: imx93: keep sys ctr clock always on clk: imx: keep hsio bus clock always on clk: imx93: drop tpm1/3, lpit1/2 clk dt-bindings: clock: imx93: drop TPM1/3 LPIT1/2 entry clk: imx93: correct enet clock clk: imx93: unmap anatop base in error handling path clk: imx: imx8mp: add shared clk gate for usb suspend clk dt-bindings: clocks: imx8mp: Add ID for usb suspend clock clk: imx93: correct the flexspi1 clock setting
2022-11-23clk: rockchip: Fix memory leak in rockchip_clk_register_pll()Xiu Jianfeng1-0/+1
If clk_register() fails, @pll->rate_table may have allocated memory by kmemdup(), so it needs to be freed, otherwise will cause memory leak issue, this patch fixes it. Fixes: 90c590254051 ("clk: rockchip: add clock type for pll clocks and pll used on rk3066") Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com> Link: https://lore.kernel.org/r/20221123091201.199819-1-xiujianfeng@huawei.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2022-11-23clk: Remove a useless includeChristophe JAILLET1-1/+0
<linux/rational.h> is not needed for these drivers. Remove the corresponding #include. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/12dd5cb49efa7714f8e0389e4c7b3bc829e8a90e.1668289299.git.christophe.jaillet@wanadoo.fr Acked-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Jerome Brunet <jbrunet@baylibre.com> Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-11-15clk: rockchip: add clock controller for the RK3588Elaine Zhang5-1/+3447
Add full clock controller support RK3588. [rebase, integrate fixes from Wyon and Finley, add missing frequencies to PLL lookup table, update commit message, add GATE_LINK clocks which downstream handles in its own driver with one DT node per clock] Signed-off-by: Wyon Bi <bivvy.bi@rock-chips.com> Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com> Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> Link: https://lore.kernel.org/r/20221018151407.63395-10-sebastian.reichel@collabora.com [dropped module stuff after talking to Sebastian] Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2022-11-14clk: rockchip: add lookup table supportSebastian Reichel2-15/+40
Add support for mapping reset IDs to register offsets to support gapless continous platform reset IDs. Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> Link: https://lore.kernel.org/r/20221018151407.63395-9-sebastian.reichel@collabora.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2022-11-14clk: rockchip: simplify rockchip_clk_add_lookupSebastian Reichel2-10/+6
rockchip_clk_add_lookup is only called from within the file, so it can be made static. The additional checks are removed with the following reasoning: 1. The data structure is initialized by rockchip_clk_init(), which is called by all rockchip platforms before the clocks are registered. Not doing so would result in an incomplete clock tree at the moment, which is a fatal error. In other parts of the kernel these kind of checks are usually omitted, so this was done here. The alternative is adding a pr_err to inform the kernel programmer adding a new platform about his incorrect code. Apart from that we are also not checking if the clock id is within the array boundings. 2. While not used so far by any rockchip platform, 0 is a valid clock identifier. To align rockchip closer to other ARM platforms we will start using it with rk3588. Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> Link: https://lore.kernel.org/r/20221018151407.63395-8-sebastian.reichel@collabora.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2022-11-14clk: rockchip: allow additional mux options for cpu-clock frequency changesElaine Zhang2-0/+43
In order to improve the main frequency of CPU, the clock path of CPU is simplified as follows: |--\ | \ |--\ --apll--|\ | \ | \ | |--apll_core--| \ | \ --24M---|/ |mux1 |--[gate]--|mux2|---clk_core | / | / --gpll--|\ | / |------| / | |--gpll_core--| / | |--/ --24M---|/ |--/ | | -------apll_directly--------------| When the CPU requests high frequency, we want to use MUX2 select the "apll_directly". At low frequencies use MUX1 to select “apll_core" and then MUX2 to select "apll_core_gate". However, in this way, the CPU frequency conversion needs to be in the following order: 1. MUX2 select to "apll_core_gate", MUX1 select "gpll_core" 2. Apll sets slow_mode, sets APLL parameters, locks APLL, and then APLL sets normal_mode 3. MUX1 select "apll_core", MUX2 select "apll_directly" So add pre_mux and post_mux options to cover this special requirements. Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com> [rebase] Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> Link: https://lore.kernel.org/r/20221018151407.63395-7-sebastian.reichel@collabora.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2022-11-14clk: rockchip: add pll type for RK3588Elaine Zhang2-1/+235
Add RK3588 PLL support fully relying on lookup tables like the other upstream supported rockchip platforms. Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com> [rebase and modify code to avoid PLL parameter calculation] Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> Link: https://lore.kernel.org/r/20221018151407.63395-6-sebastian.reichel@collabora.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2022-11-14clk: rockchip: add register offset of the cores select parentElaine Zhang2-8/+23
The cores select parent register is special on RK3588. Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> Link: https://lore.kernel.org/r/20221018151407.63395-5-sebastian.reichel@collabora.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2022-09-23clk: rockchip: Add clock controller support for RV1126 SoCJagan Teki4-0/+1165
Clock & Reset Unit (CRU) in RV1126 support clocks for CRU and CRU_PMU blocks. This patch is trying to add minimal Clock-Architecture Diagram's inferred from [1] authored by Finley Xiao. [1] https://github.com/rockchip-linux/kernel/blob/develop-4.19/drivers/clk/rockchip/clk-rv1126.c Cc: linux-clk@vger.kernel.org Cc: Michael Turquette <mturquette@baylibre.com> Cc: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com> Signed-off-by: Jagan Teki <jagan@edgeble.ai> Link: https://lore.kernel.org/r/20220915163947.1922183-5-jagan@edgeble.ai Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2022-09-13clk: rockchip: Add MUXTBL variantElaine Zhang2-6/+38
Add a clock branch consisting of a mux with non-standard select values. The parent in Mux table is sorted by priority. Use clk_register_mux_table() to register such a mux-clock. Cc: linux-clk@vger.kernel.org Cc: Michael Turquette <mturquette@baylibre.com> Cc: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com> Signed-off-by: Jagan Teki <jagan@edgeble.ai> Link: https://lore.kernel.org/r/20220907160207.3845791-3-jagan@edgeble.ai Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2022-05-03clk: rockchip: Mark hclk_vo as critical on rk3568Sascha Hauer1-0/+1
Whenever pclk_vo is enabled hclk_vo must be enabled as well. This is described in the Reference Manual as: | 2.8.6 NIU Clock gating reliance | | A part of niu clocks have a dependence on another niu clock in order to | sharing the internal bus. When these clocks are in use, another niu | clock must be opened, and cannot be gated. These clocks and the special | clock on which they are relied are as following: | | Clocks which have dependency The clock which can not be gated | ----------------------------------------------------------------- | ... | pclk_vo_niu, hclk_vo_s_niu hclk_vo_niu | ... The clock framework doesn't offer a way to enable clock B whenever clock A is enabled, at least not when B is not an ancestor of A. Workaround this by marking hclk_vo as critical so it is never disabled. This is suboptimal in terms of power consumption, but a stop gap solution until the clock framework has a way to deal with this. We have this clock tree: | aclk_vo 2 2 0 300000000 0 0 50000 Y | aclk_hdcp 0 0 0 300000000 0 0 50000 N | pclk_vo 2 3 0 75000000 0 0 50000 Y | pclk_edp_ctrl 0 0 0 75000000 0 0 50000 N | pclk_dsitx_1 0 0 0 75000000 0 0 50000 N | pclk_dsitx_0 1 2 0 75000000 0 0 50000 Y | pclk_hdmi_host 1 2 0 75000000 0 0 50000 Y | pclk_hdcp 0 0 0 75000000 0 0 50000 N | hclk_vo 2 5 0 150000000 0 0 50000 Y | hclk_hdcp 0 0 0 150000000 0 0 50000 N | hclk_vop 0 2 0 150000000 0 0 50000 N Without this patch the edp, dsitx, hdmi and hdcp driver would enable their clocks which then enables pclk_vo, but hclk_vo stays disabled and register accesses just hang. hclk_vo is enabled by the VOP2 driver, so reproducibility of this issue depends on the probe order. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Reviewed-by: Robin Murphy <robin.murphy@arm.com> Tested-by: Michael Riesch <michael.riesch@wolfvision.net> Link: https://lore.kernel.org/r/20220422072841.2206452-2-s.hauer@pengutronix.de Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2022-02-24clk: rockchip: re-add rational best approximation algorithm to the ↵Quentin Schulz1-0/+3
fractional divider In commit 4e7cf74fa3b2 ("clk: fractional-divider: Export approximation algorithm to the CCF users"), the code handling the rational best approximation algorithm was replaced by a call to the core clk_fractional_divider_general_approximation function which did the same thing back then. However, in commit 82f53f9ee577 ("clk: fractional-divider: Introduce POWER_OF_TWO_PS flag"), this common code was made conditional on CLK_FRAC_DIVIDER_POWER_OF_TWO_PS flag which was not added back to the rockchip clock driver. This broke the ltk050h3146w-a2 MIPI DSI display present on a PX30-based downstream board. Let's add the flag to the fractional divider flags so that the original and intended behavior is brought back to the rockchip clock drivers. Fixes: 82f53f9ee577 ("clk: fractional-divider: Introduce POWER_OF_TWO_PS flag") Cc: stable@vger.kernel.org Cc: Quentin Schulz <foss+kernel@0leil.net> Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com> Link: https://lore.kernel.org/r/20220131163224.708002-1-quentin.schulz@theobroma-systems.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2022-02-24clk/rockchip: Use of_device_get_match_data()Minghao Chi (CGEL ZTE)1-4/+2
Use of_device_get_match_data() to simplify the code. Reported-by: Zeal Robot <zealci@zte.com.cn> Signed-off-by: Minghao Chi (CGEL ZTE) <chi.minghao@zte.com.cn> Link: https://lore.kernel.org/r/20220221020103.1925026-1-chi.minghao@zte.com.cn Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2022-02-08clk: rockchip: Add CLK_SET_RATE_PARENT to the HDMI reference clock on rk3568Sascha Hauer1-1/+1
On the rk3568 we have this (simplified) situation: .--------. .-----. .---------. -| hpll |--.--| /n |----|dclk_vop0|- `--------´ | `-----´ `---------´ | .-----. .---------. `--| /m |----|dclk_vop1|- | `-----´ `---------´ | .---------. `-------------|hdmi_ref |- `---------´ For the HDMI to work the HDMI reference clock needs to be the same as the pixel clock which means the dividers have be set to one. The last patch removed the CLK_SET_RATE_PARENT flag from the pixel clocks which means the hpll is not changed on pixel clock changes. In order to allow the HDMI controller to set a suitable PLL rate we now add the CLK_SET_RATE_PARENT flag to the HDMI reference clock. With this the flow becomes: 1) HDMI controller driver sets the rate to its pixel clock which means hpll is set to the pixel clock 2) VOP2 driver sets dclk_vop[012] to the pixel clock. As this can't change the hpll clock anymore this means only the divider is adjusted to the desired value of dividing by one. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Link: https://lore.kernel.org/r/20220126145549.617165-26-s.hauer@pengutronix.de Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2022-02-08clk: rockchip: drop CLK_SET_RATE_PARENT from dclk_vop* on rk3568Sascha Hauer1-3/+3
The pixel clocks dclk_vop[012] can be clocked from hpll, vpll, gpll or cpll. gpll and cpll also drive many other clocks, so changing the dclk_vop[012] clocks could change these other clocks as well. Drop CLK_SET_RATE_PARENT to fix that. With this change the VOP2 driver can only adjust the pixel clocks with the divider between the PLL and the dclk_vop[012] which means the user may have to adjust the PLL clock to a suitable rate using the assigned-clock-rate device tree property. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Link: https://lore.kernel.org/r/20220126145549.617165-25-s.hauer@pengutronix.de Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2022-02-08clk: rockchip: Add more PLL rates for rk3568Sascha Hauer1-0/+6
This adds a few more PLL settings needed for some standard resolutions: 297MHz 3840x2160-30.00 241.5MHz 2560x1440-59.95 135MHz 1280x1024-75.02 119MHz 1680x1050-59.88 108MHz 1280x1024-60.02 78.75MHz 1024x768-75.03 Changes since v3: - new patch Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Link: https://lore.kernel.org/r/20220126145549.617165-12-s.hauer@pengutronix.de Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-11-03clk: rockchip: drop module parts from rk3399 and rk3568 driversHeiko Stuebner3-10/+2
Both of these drivers were converted to real drivers and got a tristate build option. But them being builtin_platform_drivers, they only ever should be build-in - as the name suggests. So adapt the Kconfig symbol and drop the MODULE_* parts from the drivers. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://lore.kernel.org/r/20211027132616.1039814-3-heiko@sntech.de Reviewed-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-11-03Revert "clk: rockchip: use module_platform_driver_probe"Heiko Stuebner2-2/+2
This reverts commit 1da80da028fe5accb866c0d6899a292ed86bef45. Reading recent discussions [0] [1], I realized this change introduces a number of problems: - only converting to module_platform_driver creates the issue with the existing __init and __initdata attributes. When the driver would've been built as a module, all the missing clock-definitions (all are initdata) should've turned up as error in testing suggesting that the change wasn't at all - a clock driver is a very core component of soc bringup and making this able to be built as a module solely for enabling the soc vendor to add out of tree changes for Android implementations is not in our interest and also everything except a ramdisk won't probe without a clock controller. This is especially true when the changes aren't really tested and are merely added to move the mainline driver "out of the way". [0] https://lwn.net/Articles/872209/ [1] https://lore.kernel.org/all/163529604399.15791.378104318036812951@swboyd.mtv.corp.google.com/ Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://lore.kernel.org/r/20211027132616.1039814-2-heiko@sntech.de Reviewed-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-09-21clk: rockchip: use module_platform_driver_probeMiles Chen2-2/+2
Replace builtin_platform_driver_probe with module_platform_driver_probe because that rk3399 and rk3568 can be built as kernel modules. Fixes: 70d839e2761d ("clk: rockchip: rk3399: Support module build") Fixes: cf911d89c4c5 ("clk: rockchip: add clock controller for rk3568") Cc: Heiko Stuebner <heiko@sntech.de> Cc: Stephen Boyd <sboyd@kernel.org> Tested-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Miles Chen <miles.chen@mediatek.com> Reviewed-by: Stephen Boyd <sboyd@kernel.org> Link: https://lore.kernel.org/r/20210904152856.31946-1-miles.chen@mediatek.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-09-20clk: rockchip: rk3399: expose PCLK_COREDBG_{B,L}Brian Norris1-2/+2
We have DT IDs for PCLK_COREDBG_L and PCLK_COREDBG_B, but we don't actually expose them. Note that this requires the previous patch (making "armclkl" and "armclkb" into "critical" clocks) to prevent these clocks from taking down the CPU. Reviewed-by: Chen-Yu Tsai <wenst@chromium.org> Signed-off-by: Brian Norris <briannorris@chromium.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Link: https://lore.kernel.org/r/20210908111337.v2.2.If29cd838efbcee4450a62b8d84a99b23c86e0a3f@changeid Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-09-20clk: rockchip: rk3399: make CPU clocks criticalBrian Norris1-4/+7
The CPU clocks don't currently have any owner (e.g., cpufreq-dt doesn't enable() them -- and even if it did, it's not early enough compared to other consumers -- nor does arch/arm64/kernel/smp.c), and instead are simply assumed to be "on" all the time. They are also parents of a few other clocks which haven't been previously exposed for other devices to consume. If we want to expose those clocks, then the common clock framework may eventually choose to disable their parents (including the CPU PLLs) -- which is no fun for anyone. Thus, mark the CPU clocks as critical, to prevent them from being disabled implicitly. Signed-off-by: Brian Norris <briannorris@chromium.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Chen-Yu Tsai <wenst@chromium.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Link: https://lore.kernel.org/r/20210908111337.v2.1.I006bb36063555079b1a88f01d20e38d7e4705ae0@changeid Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-09-02Merge branches 'clk-nvidia', 'clk-rockchip', 'clk-at91' and 'clk-vc5' into ↵Stephen Boyd3-3/+5
clk-next - Support the SD/OE pin on IDT VersaClock 5 and 6 clock generators * clk-nvidia: clk: tegra: fix old-style declaration clk: tegra: Remove CLK_IS_CRITICAL flag from fuse clock soc/tegra: fuse: Enable fuse clock on suspend for Tegra124 soc/tegra: fuse: Add runtime PM support soc/tegra: fuse: Clear fuse->clk on driver probe failure soc/tegra: pmc: Prevent racing with cpuilde driver soc/tegra: bpmp: Remove unused including <linux/version.h> * clk-rockchip: clk: rockchip: make rk3308 ddrphy4x clock critical clk: rockchip: drop GRF dependency for rk3328/rk3036 pll types dt-bindings: clk: Convert rockchip,rk3399-cru to DT schema clk: rockchip: Add support for hclk_sfc on rk3036 clk: rockchip: rk3036: fix up the sclk_sfc parent error clk: rockchip: add dt-binding clkid for hclk_sfc on rk3036 * clk-at91: clk: at91: clk-generated: Limit the requested rate to our range * clk-vc5: clk: vc5: Add properties for configuring SD/OE behavior clk: vc5: Use dev_err_probe dt-bindings: clk: vc5: Add properties for configuring the SD/OE pin
2021-08-12clk: fractional-divider: Export approximation algorithm to the CCF usersAndy Shevchenko1-14/+3
At least one user currently duplicates some functions that are provided by fractional divider module. Let's export approximation algorithm and replace the open-coded variant. As a bonus the exported function will get better documentation in place. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Tested-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Heiko Stuebner <heiko@sntech.de> Link: https://lore.kernel.org/r/20210812170025.67074-1-andriy.shevchenko@linux.intel.com [sboyd@kernel.org: Add header guard because why not] Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-29clk: rockchip: make rk3308 ddrphy4x clock criticalYunhao Tian1-0/+1
Currently, no driver support for DDR memory controller (DMC) is present, as a result, no driver is explicitly consuming the ddrphy clock. This means that VPLL1 (parent of ddr clock) will be shutdown if we enable and then disable any child clock of VPLL1 (e.g. SCLK_I2S0_8CH_TX). If VPLL1 is disabled, the whole system will freeze, because the DDR controller will lose its clock. So, it's necessary to prevent VPLL1 from shutting down, by marking the ddrphy4x CLK_IS_CRITICAL. This bug was discovered when I was porting rockchip_i2s_tdm driver to mainline kernel from Rockchip 4.4 kernel. I guess that other Rockchip SoCs without DMC driver may need the same patch. If this applies to other devices, please let us know. Signed-off-by: Yunhao Tian <t123yh@outlook.com> Link: https://lore.kernel.org/r/BYAPR20MB24886765F888A9705CBEB70789E39@BYAPR20MB2488.namprd20.prod.outlook.com [adapted subject, changed to add the clock to the critical list] Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-07-29clk: rockchip: drop GRF dependency for rk3328/rk3036 pll typesPeter Geis1-1/+1
The rk3036/rk3328 pll types were converted to checking the lock status via the internal register in january 2020, so don't need the grf reference since then. But it was forgotten to remove grf check when deciding between the pll rate ops (read-only vs. read-write), so a clock driver without the needed grf reference might've been put into the read-only mode just because the grf reference was missing. This affected the rk356x that needs to reclock certain plls at boot. Fix this by removing the check for the grf for selecting the utilized operations. Suggested-by: Heiko Stuebner <heiko@sntech.de> Fixes: 7f6ffbb885d1 ("clk: rockchip: convert rk3036 pll type to use internal lock status") Signed-off-by: Peter Geis <pgwipeout@gmail.com> [adjusted the commit message, adjusted the fixes tag] Link: https://lore.kernel.org/r/20210728180034.717953-3-pgwipeout@gmail.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-07-16clk: rockchip: Add support for hclk_sfc on rk3036Jon Lin1-1/+1
Add support for the bus clock for the serial flash controller on the rk3036. Taken from the Rockchip BSP kernel but not tested on real hardware (as I lack a 3036 based SoC to test). Signed-off-by: Chris Morgan <macromorgan@hotmail.com> Signed-off-by: Jon Lin <jon.lin@rock-chips.com> Acked-by: Stephen Boyd <sboyd@kernel.org> Link: https://lore.kernel.org/r/20210713094718.1709-2-jon.lin@rock-chips.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-07-16clk: rockchip: rk3036: fix up the sclk_sfc parent errorJon Lin1-1/+2
Choose the correct pll Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com> Signed-off-by: Jon Lin <jon.lin@rock-chips.com> Acked-by: Stephen Boyd <sboyd@kernel.org> Link: https://lore.kernel.org/r/20210713094456.23288-5-jon.lin@rock-chips.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-05-28clk: rockchip: export ACLK_VCODEC for RK3036Alex Bee1-1/+1
It is required for the series at [1] to let hantro driver aquire the clock and set the rate for RK3036 correctly, but I didn't want to add a patch for yet another subsystem to this series. [1] https://lore.kernel.org/linux-media/20210525152225.154302-1-knaerzche@gmail.com/ Signed-off-by: Alex Bee <knaerzche@gmail.com> Link: https://lore.kernel.org/r/20210528140736.79686-1-knaerzche@gmail.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-05-24clk: rockchip: fix rk3568 cpll clk gate bitsPeter Geis1-5/+5
The cpll clk gate bits had an ordering issue. This led to the loss of the boot sdmmc controller when the gmac was shut down with: `ip link set eth0 down` as the cpll_100m was shut off instead of the cpll_62p5. cpll_62p5, cpll_50m, cpll_25m were all off by one with cpll_100m misplaced. Fixes: cf911d89c4c5 ("clk: rockchip: add clock controller for rk3568") Signed-off-by: Peter Geis <pgwipeout@gmail.com> Reviewed-by: Elaine Zhang<zhangqing@rock-chips.com> Link: https://lore.kernel.org/r/20210519174149.3691335-1-pgwipeout@gmail.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-05-11clk: rockchip: Optimize PLL table memory usageElaine Zhang1-11/+18
Before the change: The sizeof rk3568_pll_rates = 2544 Use union: The sizeof rk3568_pll_rates = 1696 In future Soc, more PLL types will be added, and the rockchip_pll_rate_table will add more members, and the space savings will be even more pronounced by using union. Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com> Link: https://lore.kernel.org/r/20210511090726.15146-1-zhangqing@rock-chips.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-03-21clk: rockchip: drop MODULE_ALIAS from rk3399 clock controllerHeiko Stuebner1-1/+0
As suggested by Stephen during the rk3568 clock review, the MOUDLE_ALIAS doesn't serve any meaningful purpose, so drop it from the rk3399 as well. Suggested-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Stephen Boyd <sboyd@kernel.org> Link: https://lore.kernel.org/r/20210315112502.343699-2-heiko@sntech.de
2021-03-21clk: rockchip: drop parenthesis from ARM || COMPILE_TEST dependsHeiko Stuebner1-11/+11
As suggested by Stephen in the series adding the rk3568 clock controller the depends works just as well without the parenthesis around the depends. So to make everything look the same, drop them from existing entries too. Suggested-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Stephen Boyd <sboyd@kernel.org> Link: https://lore.kernel.org/r/20210315112502.343699-1-heiko@sntech.de
2021-03-21clk: rockchip: add clock controller for rk3568Elaine Zhang4-1/+1762
Add the clock tree definition for the new rk3568 SoC. Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com> Reviewed-by: Kever Yang <kever.yang@rock-chips.com> Acked-by: Stephen Boyd <sboyd@kernel.org> Link: https://lore.kernel.org/r/20210315085608.16010-5-zhangqing@rock-chips.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-03-21clk: rockchip: support more core div settingElaine Zhang13-77/+98
Use arrays to support more core independent div settings. A55 supports each core to work at different frequencies, and each core has an independent divider control. Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com> Reviewed-by: Kever Yang <kever.yang@rock-chips.com> Acked-by: Stephen Boyd <sboyd@kernel.org> Link: https://lore.kernel.org/r/20210315085608.16010-4-zhangqing@rock-chips.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-02-06clk: rockchip: fix DPHY gate locations on rk3368Heiko Stuebner1-2/+2
Fix the register and bits of the DPHY gate locations. Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com> Link: https://lore.kernel.org/r/20210205110502.1850669-5-heiko@sntech.de
2021-02-06clk: rockchip: use clock id for SCLK_VIP_OUT on rk3368Heiko Stuebner1-1/+1
Export the vip-out clock via the newly added clock-id. Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com> Link: https://lore.kernel.org/r/20210205110502.1850669-4-heiko@sntech.de
2021-02-06clk: rockchip: use clock ids for PCLK_DPHYRX and PCLK_DPHYTX0 on rk3368Heiko Stuebner1-2/+2
Export the clocks via the newly added clock-ids. Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com> Link: https://lore.kernel.org/r/20210205110502.1850669-2-heiko@sntech.de
2021-01-26clk: rockchip: Demote non-conformant kernel-doc header in half-dividerLee Jones1-1/+1
Fixes the following W=1 kernel build warning(s): drivers/clk/rockchip/clk-half-divider.c:168: warning: Function parameter or member 'name' not described in 'rockchip_clk_register_halfdiv' drivers/clk/rockchip/clk-half-divider.c:168: warning: Function parameter or member 'parent_names' not described in 'rockchip_clk_register_halfdiv' drivers/clk/rockchip/clk-half-divider.c:168: warning: Function parameter or member 'num_parents' not described in 'rockchip_clk_register_halfdiv' drivers/clk/rockchip/clk-half-divider.c:168: warning: Function parameter or member 'base' not described in 'rockchip_clk_register_halfdiv' drivers/clk/rockchip/clk-half-divider.c:168: warning: Function parameter or member 'muxdiv_offset' not described in 'rockchip_clk_register_halfdiv' drivers/clk/rockchip/clk-half-divider.c:168: warning: Function parameter or member 'mux_shift' not described in 'rockchip_clk_register_halfdiv' drivers/clk/rockchip/clk-half-divider.c:168: warning: Function parameter or member 'mux_width' not described in 'rockchip_clk_register_halfdiv' drivers/clk/rockchip/clk-half-divider.c:168: warning: Function parameter or member 'mux_flags' not described in 'rockchip_clk_register_halfdiv' drivers/clk/rockchip/clk-half-divider.c:168: warning: Function parameter or member 'div_shift' not described in 'rockchip_clk_register_halfdiv' drivers/clk/rockchip/clk-half-divider.c:168: warning: Function parameter or member 'div_width' not described in 'rockchip_clk_register_halfdiv' drivers/clk/rockchip/clk-half-divider.c:168: warning: Function parameter or member 'div_flags' not described in 'rockchip_clk_register_halfdiv' drivers/clk/rockchip/clk-half-divider.c:168: warning: Function parameter or member 'gate_offset' not described in 'rockchip_clk_register_halfdiv' drivers/clk/rockchip/clk-half-divider.c:168: warning: Function parameter or member 'gate_shift' not described in 'rockchip_clk_register_halfdiv' drivers/clk/rockchip/clk-half-divider.c:168: warning: Function parameter or member 'gate_flags' not described in 'rockchip_clk_register_halfdiv' drivers/clk/rockchip/clk-half-divider.c:168: warning: Function parameter or member 'flags' not described in 'rockchip_clk_register_halfdiv' drivers/clk/rockchip/clk-half-divider.c:168: warning: Function parameter or member 'lock' not described in 'rockchip_clk_register_halfdiv' Cc: Michael Turquette <mturquette@baylibre.com> Cc: Stephen Boyd <sboyd@kernel.org> Cc: Heiko Stuebner <heiko@sntech.de> Cc: linux-clk@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-rockchip@lists.infradead.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20210120093040.1719407-5-lee.jones@linaro.org Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-01-26clk: rockchip: Demote kernel-doc abuses to standard comment blocks in pllsLee Jones1-3/+3
Fixes the following W=1 kernel build warning(s): drivers/clk/rockchip/clk-pll.c:104: warning: Function parameter or member 'i' not described in 'RK3036_PLLCON' drivers/clk/rockchip/clk-pll.c:365: warning: Function parameter or member 'nr' not described in 'RK3066_PLL_RESET_DELAY' drivers/clk/rockchip/clk-pll.c:584: warning: Function parameter or member 'i' not described in 'RK3399_PLLCON' Cc: Michael Turquette <mturquette@baylibre.com> Cc: Stephen Boyd <sboyd@kernel.org> Cc: Heiko Stuebner <heiko@sntech.de> Cc: Xing Zheng <zhengxing@rock-chips.com> Cc: linux-clk@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-rockchip@lists.infradead.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20210120093040.1719407-4-lee.jones@linaro.org Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-01-26clk: rockchip: Remove unused/undocumented struct members from clk-cpuLee Jones1-4/+0
Fixes the following W=1 kernel build warning(s): drivers/clk/rockchip/clk-cpu.c:65: warning: Function parameter or member 'cpu_mux' not described in 'rockchip_cpuclk' drivers/clk/rockchip/clk-cpu.c:65: warning: Function parameter or member 'cpu_mux_ops' not described in 'rockchip_cpuclk' Cc: Michael Turquette <mturquette@baylibre.com> Cc: Stephen Boyd <sboyd@kernel.org> Cc: Heiko Stuebner <heiko@sntech.de> Cc: Thomas Abraham <thomas.ab@samsung.com> Cc: linux-clk@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-rockchip@lists.infradead.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20210120093040.1719407-3-lee.jones@linaro.org Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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