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Merge the immutable branch genpd_dt into next, to allow the DT bindings to
be tested together with new pmdomain changes that are targeted for v6.7.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add compatible and constants for the power domains exposed by the RPMH
in the Qualcomm SC8380XP platform.
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Rajendra Nayak <quic_rjendra@quicinc.com>
Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com>
Link: https://lore.kernel.org/r/20231025135943.13854-3-quic_sibis@quicinc.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Document GMXC (Graphics MXC) power domain index which will be used on
SC8380XP SoCs.
Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com>
Link: https://lore.kernel.org/r/20231025135943.13854-2-quic_sibis@quicinc.com
[Ulf: Re-based to step up the index number]
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Merge the pmdomain fixes for v6.6-rc[n] into the next branch, to allow them to
get tested together with the new pmdomain changes that are targeted for v6.7.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Currently, The imx pgc power domain doesn't set the fwnode
pointer, which results in supply regulator device can't get
consumer imx pgc power domain device from fwnode when creating
a link.
This causes the driver core to instead try to create a link
between the parent gpc device of imx pgc power domain device and
supply regulator device. However, at this point, the gpc device
has already been bound, and the link creation will fail. So adding
the fwnode pointer to the imx pgc power domain device will fix
this issue.
Signed-off-by: Pengfei Li <pengfei.li_1@nxp.com>
Tested-by: Emil Kronborg <emil.kronborg@protonmail.com>
Fixes: 3fb16866b5 ("driver core: fw_devlink: Make cycle detection more robust")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20231020185949.537083-1-pengfei.li_1@nxp.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
QM215 is typically paired with a PM8916 PMIC and uses its SMPA1 and
LDOA2 regulators in voltage level mode for VDDCX and VDDMX, respectively.
Signed-off-by: Otto Pflüger <otto.pflueger@abscue.de>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231014133823.14088-4-otto.pflueger@abscue.de
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
MSM8917 uses the SMPA2 and LDOA3 regulators provided by the PM8937 PMIC
for the VDDCX and VDDMX power domains in voltage level mode,
respectively. These definitions should also work on MSM8937.
Signed-off-by: Otto Pflüger <otto.pflueger@abscue.de>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231014133823.14088-3-otto.pflueger@abscue.de
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Merge the immutable branch genpd_dt into next, to allow the DT bindings to
be tested together with new pmdomain changes that are targeted for v6.7.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The MSM8917, MSM8937 and QM215 SoCs have VDDCX and VDDMX power domains
controlled in voltage level mode. Define the MSM8937 and QM215 power
domains as aliases because these SoCs are similar to MSM8917 and may
share some parts of the device tree.
Also add the compatibles for these SoCs to the documentation, with
qcom,msm8937-rpmpd using qcom,msm8917-rpmpd as a fallback compatible
because there are no known differences. QM215 is not compatible with
these because it uses different regulators.
Signed-off-by: Otto Pflüger <otto.pflueger@abscue.de>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20231014133823.14088-2-otto.pflueger@abscue.de
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The commit c494a447c1 ("soc: bcm: bcm2835-power: Refactor ASB control")
refactored the ASB control by using a general function to handle both
the enable and disable. But this patch introduced a subtle regression:
we need to check if !!(readl(base + reg) & ASB_ACK) == enable, not just
check if (readl(base + reg) & ASB_ACK) == true.
Currently, this is causing an invalid register state in V3D when
unloading and loading the driver, because `bcm2835_asb_disable()` will
return -ETIMEDOUT and `bcm2835_asb_power_off()` will fail to disable the
ASB slave for V3D.
Fixes: c494a447c1 ("soc: bcm: bcm2835-power: Refactor ASB control")
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Stefan Wahren <stefan.wahren@i2se.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20231024101251.6357-2-mcanal@igalia.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Since commit 7c41cdcd3b ("OPP: Simplify the over-designed pstate <->
level dance"), there is no longer any need for genpd providers to assign
the ->opp_to_performance_state(), hence let's drop it.
Cc: Bjorn Andersson <andersson@kernel.org>
Cc: Konrad Dybcio <konrad.dybcio@linaro.org>
Cc: linux-arm-msm@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231012153607.101465-1-ulf.hansson@linaro.org
Since commit 7c41cdcd3b ("OPP: Simplify the over-designed pstate <->
level dance"), there is no longer any need for genpd providers to assign
the ->opp_to_performance_state(), hence let's drop it.
Cc: Bjorn Andersson <andersson@kernel.org>
Cc: Konrad Dybcio <konrad.dybcio@linaro.org>
Cc: linux-arm-msm@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231012153558.101445-1-ulf.hansson@linaro.org
Since commit 7c41cdcd3b ("OPP: Simplify the over-designed pstate <->
level dance"), there is no longer any need for genpd providers to assign
the ->opp_to_performance_state(), hence let's drop it.
Cc: Bjorn Andersson <andersson@kernel.org>
Cc: Konrad Dybcio <konrad.dybcio@linaro.org>
Cc: linux-arm-msm@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231012153550.101425-1-ulf.hansson@linaro.org
Use preferred device_get_match_data() instead of of_match_device() to
get the driver match data. With this, adjust the includes to explicitly
include the correct headers.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20231006224614.444488-1-robh@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Merge the pmdomain fixes for v6.6-rc[n] into the next branch, to allow them
to get tested together with the new pmdomain changes that are targeted for
v6.7.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
for_each_node_with_property performs an of_node_get on
each iteration, so a break out of the loop requires an
of_node_put.
This was done using the Coccinelle semantic patch
iterators/for_each_child.cocci
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Link: https://lore.kernel.org/r/20230907095521.14053-5-Julia.Lawall@inria.fr
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This adds support for MTK_SCPD_STRICT_BUS_PROTECTION capability. It is a
strict bus protection policy that requires the bus protection to be
disabled before accessing the bus.
This is required by the mt8365, for the MM power domain.
Signed-off-by: Alexandre Bailon <abailon@baylibre.com>
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
Tested-by: Alexandre Mergnat <amergnat@baylibre.com>
Link: https://lore.kernel.org/r/20230918093751.1188668-8-msp@baylibre.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This updates the power domain to support WAY_EN operations. WAY_EN
operations on mt8365 are using a different component to check for the
acknowledgment, namely the infracfg-nao component. Also to enable a way
it the bit needs to be cleared while disabling a way needs a bit to be
set. To support these two operations two flags are added,
BUS_PROT_INVERTED and BUS_PROT_STA_COMPONENT_INFRA_NAO. Additionally
another regmap is created if the INFRA_NAO capability is set.
This operation is required by the mt8365 for the MM power domain.
Signed-off-by: Alexandre Bailon <abailon@baylibre.com>
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
Tested-by: Alexandre Mergnat <amergnat@baylibre.com>
Link: https://lore.kernel.org/r/20230918093751.1188668-7-msp@baylibre.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Use flags to distinguish between infracfg and smi subsystem for a bus
protection configuration. It simplifies enabling/disabling and prepares
the driver for the use of another regmap for mt8365.
Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
Tested-by: Alexandre Mergnat <amergnat@baylibre.com>
Link: https://lore.kernel.org/r/20230918093751.1188668-6-msp@baylibre.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Separate the register access used for bus protection enable/disable into
their own functions. These will be used later for WAY_EN support.
Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
Tested-by: Alexandre Mergnat <amergnat@baylibre.com>
Link: https://lore.kernel.org/r/20230918093751.1188668-5-msp@baylibre.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
bus_prot_mask is used for all operations, set clear and acknowledge. In
preparation of m8365 power domain support split this one mask into two,
one mask for set and clear, another one for acknowledge.
Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
Tested-by: Alexandre Mergnat <amergnat@baylibre.com>
Link: https://lore.kernel.org/r/20230918093751.1188668-4-msp@baylibre.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
To simplify the macros, use a flags field for simple bools. This is in
preparation for more flags.
Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
Tested-by: Alexandre Mergnat <amergnat@baylibre.com>
Link: https://lore.kernel.org/r/20230918093751.1188668-3-msp@baylibre.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Merge the immutable branch genpd_dt into next, to allow the DT bindings to
be tested together with new pmdomain changes that are targeted for v6.7.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Per "dt-bindings/firmware/imx/rsrc.h", `IMX_SC_R_DMA_2_CH0 + 5` not
equals to IMX_SC_R_DMA_2_CH5, so there should be two entries in
imx8qxp_scu_pd_ranges, otherwise the imx_scu_add_pm_domain may filter
out wrong power domains.
Fixes: 927b7d15dc ("genpd: imx: scu-pd: enlarge PD range")
Reported-by: Dong Aisheng <Aisheng.dong@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20231001123853.200773-1-peng.fan@oss.nxp.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Merge the immutable branch genpd_dt into next, to allow the DT bindings to
be tested together with new pmdomain changes that are targeted for v6.7.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Use "JH7110_AON_PD_" prefix for AON power doamin for JH7110 SoC.
Reviewed-by: Walker Chen <walker.chen@starfivetech.com>
Signed-off-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Link: https://lore.kernel.org/r/20230927130734.9921-3-changhuang.liang@starfivetech.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
When building with clang 18 I see the following warning:
| drivers/soc/renesas/rmobile-sysc.c:193:22: warning: cast to smaller integer
| type 'enum pd_types' from 'const void *' [-Wvoid-pointer-to-enum-cast]
| 193 | add_special_pd(np, (enum pd_types)id->data);
This is due to the fact that `id->data` is a void* and `enum pd_types`
has the size of an integer. This cast from pointer-width to int-width
causes truncation and possible data loss. Instead, cast to `uintptr_t`
which has the same width as void*.
Reported-by: Nathan Chancellor <nathan@kernel.org>
Closes: https://github.com/ClangBuiltLinux/linux/issues/1910
Signed-off-by: Justin Stitt <justinstitt@google.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230814-void-drivers-soc-renesas-rmobile-sysc-v1-1-6648dfd854de@google.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The Kconfig option belongs closer to the corresponding implementation,
hence let's move it from the soc subsystem to the pmdomain subsystem.
Cc: Michal Simek <michal.simek@amd.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The TI_SCI_PM_DOMAINS Kconfig option belongs closer to its corresponding
implementation, hence let's move it from the soc subsystem to the pmdomain
subsystem.
While at it, let's also add a Kconfig option the omap_prm driver, rather
than using ARCH_OMAP2PLUS directly.
Cc: Nishanth Menon <nm@ti.com>
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Cc: Tero Kristo <kristo@kernel.org>
Cc: Tony Lindgren <tony@atomide.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The Kconfig option belongs closer to the corresponding implementation,
hence let's move it from the soc subsystem to the pmdomain subsystem.
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: Mikko Perttunen <mperttunen@nvidia.com>
Cc: <linux-tegra@vger.kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The Kconfig option belongs closer to the corresponding implementation,
hence let's move it from the soc subsystem to the pmdomain subsystem.
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: Jernej Skrabec <jernej.skrabec@gmail.com>
Cc: Samuel Holland <samuel@sholland.org>
Cc: <linux-sunxi@lists.linux.dev>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The Kconfig belongs closer to the corresponding implementation, hence let's
move it from the soc subsystem to the pmdomain subsystem.
Cc: Walker Chen <walker.chen@starfivetech.com>
Cc: Conor Dooley <conor@kernel.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
We shouldn't really use the CONFIG_ARCH_U8500 option directly, but rather
have our own dedicated Kconfig option, so let's add that.
Cc: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The Kconfig option belongs closer to the corresponding implementation,
hence let's move it from the soc subsystem to the pmdomain subsystem.
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc: Alim Akhtar <alim.akhtar@samsung.com>
Cc: <linux-samsung-soc@vger.kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The Kconfig option belongs closer to the corresponding implementation,
hence let's move it from the soc subsystem to the pmdomain subsystem.
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: <linux-rockchip@lists.infradead.org>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The Kconfig options belongs closer to the corresponding implementations,
hence let's move them from the soc subsystem to the pmdomain subsystem.
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: <linux-renesas-soc@vger.kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The Kconfig options belongs closer to the corresponding implementations,
hence let's move them from the soc subsystem to the pmdomain subsystem.
Cc: Bjorn Andersson <andersson@kernel.org>
Cc: Konrad Dybcio <konrad.dybcio@linaro.org>
Cc: Andy Gross <agross@kernel.org>
Cc: <linux-arm-msm@vger.kernel.org>
Acked-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The Kconfig options belongs closer to the corresponding implementations,
hence let's move them from the soc subsystem to the pmdomain subsystem.
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Cc: <linux-mediatek@lists.infradead.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The Kconfig options belongs closer to the corresponding implementations,
hence let's move them from the soc- and firmware subsystem to the pmdomain
subsystem.
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: <kernel@pengutronix.de>
Cc: <linux-imx@nxp.com>
Acked-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The Kconfig options belongs closer to the corresponding implementations,
hence let's move them from the soc subsystem to the pmdomain subsystem.
Cc: Florian Fainelli <florian.fainelli@broadcom.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Scott Branden <sbranden@broadcom.com>
Cc: <linux-mips@vger.kernel.org>
Cc: <linux-rpi-kernel@lists.infradead.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The Kconfig option belongs closer to the corresponding implementation,
hence let's move it from the soc subsystem to the pmdomain subsystem.
Cc: Hector Martin <marcan@marcan.st>
Cc: Sven Peter <sven@svenpeter.dev>
Cc: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Cc: <asahi@lists.linux.dev>
Reviewed-by: Eric Curtin <ecurtin@redhat.com>
Reviewed-by: Neal Gompa <neal@gompa.dev>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The Kconfig options belongs closer to the corresponding implementations,
hence let's move them from the soc subsystem to the pmdomain subsystem.
Cc: Neil Armstrong <neil.armstrong@linaro.org>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: Jerome Brunet <jbrunet@baylibre.com>
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: <linux-amlogic@lists.infradead.org>
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The Kconfig belongs closer to the corresponding implementation, hence let's
move it from the soc subsystem to the pmdomain subsystem.
Cc: "Andreas Färber" <afaerber@suse.de>
Cc: Manivannan Sadhasivam <mani@kernel.org>
Cc: <linux-actions@lists.infradead.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
