linux-stable.git/drivers/soc/imx, branch linux-6.5.y

pmdomain: imx: Make imx pgc power domain also set the fwnode

2023-11-28T17:15:09+00:00

[ Upstream commit 374de39d38f97b0e58cfee88da590b2d056ccf7f ]

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 
Tested-by: Emil Kronborg 
Fixes: 3fb16866b51d ("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 
Signed-off-by: Sasha Levin

soc: imx8m: Enable OCOTP clock for imx8mm before reading registers

2023-10-06T11:16:05+00:00

[ Upstream commit 9d1e8275a28f51599d754ce661c91e0a689c0234 ]

Commit 836fb30949d9 ("soc: imx8m: Enable OCOTP clock before reading the
register") added configuration to enable the OCOTP clock before
attempting to read from the associated registers.

This same kexec issue is present with the imx8m SoCs that use the
imx8mm_soc_uid function (e.g. imx8mp). This requires the imx8mm_soc_uid
function to configure the OCOTP clock before accessing the associated
registers. This change implements the same clock enable functionality
that is present in the imx8mq_soc_revision function for the
imx8mm_soc_uid function.

Signed-off-by: Nathan Rossi 
Reviewed-by: Fabio Estevam 
Fixes: 836fb30949d9 ("soc: imx8m: Enable OCOTP clock before reading the register")
Signed-off-by: Shawn Guo 
Signed-off-by: Sasha Levin

soc: imx: imx8mp-blk-ctrl: register HSIO PLL clock as bus_power_dev child

2023-07-19T07:44:02+00:00

The blk-ctrl device is deliberately placed outside of the GPC power
domain as it needs to control the power sequencing of the blk-ctrl
domains together with the GPC domains.

Clock runtime PM works by operating on the clock parent device, which
doesn't translate into the neccessary GPC power domain action if the
clk parent is not part of the GPC power domain. Use the bus_power_device
as the parent for the clock to trigger the proper GPC domain actions on
clock runtime power management.

Fixes: 2cbee26e5d59 ("soc: imx: imx8mp-blk-ctrl: expose high performance PLL clock")
Reported-by: Yannic Moog 
Signed-off-by: Lucas Stach 
Tested-by: Yannic Moog 
Signed-off-by: Shawn Guo

soc: imx: imx8m-blk-ctrl: reordering the fields

2023-03-27T01:52:41+00:00

The clang-analyzer reports:
"Excessive padding in 'struct imx8m_blk_ctrl_domain_data'
(12 padding bytes, where 4 is optimal). Optimal fields order: name,
clk_names, path_names, gpc_name, num_clks, num_paths, rst_mask, clk_mask,
mipi_phy_rst_mask, consider reordering the fields or adding explicit
padding members [clang-analyzer-optin.performance.Padding]
   struct imx8m_blk_ctrl_domain_data {"

So reordering the fields.

Reported-by: kernel test robot 
Signed-off-by: Peng Fan 
Signed-off-by: Shawn Guo

soc: imx8m: Support building imx8m soc driver as module

2023-03-14T03:36:53+00:00

Make the imx8m soc driver as tristate so that it can be built as loadable
module, module names are:
soc-imx8m.ko, imx8m-blk-ctrl.ko and imx8mp-blk-ctrl.ko

Signed-off-by: Jindong Yue 
Reviewed-by: Peng Fan 
Reviewed-by: Marco Felsch 
Signed-off-by: Shawn Guo

soc: imx8m: Add MODULE_LICENSE

2023-03-14T03:36:50+00:00

Add MODULE_LICENSE to support building as module.

Signed-off-by: Jindong Yue 
Reviewed-by: Peng Fan 
Reviewed-by: Marco Felsch 
Signed-off-by: Shawn Guo

soc: imx: imx8m-blk-ctrl: Add MODULE_LICENSE

2023-03-14T03:36:48+00:00

Add MODULE_LICENSE to support building as a module.

Signed-off-by: Jindong Yue 
Reviewed-by: Peng Fan 
Reviewed-by: Marco Felsch 
Signed-off-by: Shawn Guo

soc: imx: imx8m-blk-ctrl: Use dev_pm_domain_attach_by_name

2023-03-14T03:36:34+00:00

The genpd_dev_pm_attach_by_name() is not exported, following error
occurs when building imx8m-blk-ctrl as a module:

ERROR: modpost: "genpd_dev_pm_attach_by_name" [drivers/soc/imx/imx8m-blk-ctrl.ko] undefined!

Fix this by using dev_pm_domain_attach_by_name() instead.

Signed-off-by: Jindong Yue 
Reviewed-by: Peng Fan 
Reviewed-by: Marco Felsch 
Signed-off-by: Shawn Guo

soc: imx: imx8mp-blk-ctrl: Add MODULE_LICENSE

2023-03-14T03:36:31+00:00

Add MODULE_LICENSE to support building as a module.

Signed-off-by: Jindong Yue 
Reviewed-by: Peng Fan 
Reviewed-by: Marco Felsch 
Signed-off-by: Shawn Guo

soc: imx: imx8mp-blk-ctrl: Fix typo of imx8m_blk_ctrl_of_match

2023-03-14T03:36:25+00:00

Once set CONFIG_SOC_IMX8M as m, following error occurs:

drivers/soc/imx/imx8mp-blk-ctrl.c:747:25: error: ‘imx8m_blk_ctrl_of_match’
undeclared here (not in a function); did you mean ‘imx8mp_blk_ctrl_of_match’?
  747 | MODULE_DEVICE_TABLE(of, imx8m_blk_ctrl_of_match);
      |                         ^~~~~~~~~~~~~~~~~~~~~~~

Fix the typo.

Signed-off-by: Jindong Yue 
Reviewed-by: Peng Fan 
Reviewed-by: Marco Felsch 
Signed-off-by: Shawn Guo