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| author | Olof Johansson <olof@lixom.net> | 2019-11-08 19:27:55 +0100 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2019-11-08 19:27:57 +0100 |
| commit | 44a39847787b022c9f64b48b41c9d2f9dcd815f4 (patch) | |
| tree | 197fdf07ebab080177683febdf2126d56ff77f1e /drivers/soc | |
| parent | Merge tag 'qcom-drivers-for-5.5' of git://git.kernel.org/pub/scm/linux/kernel... (diff) | |
| parent | firmware: xilinx: Add support for versal soc (diff) | |
| download | linux-44a39847787b022c9f64b48b41c9d2f9dcd815f4.tar.xz linux-44a39847787b022c9f64b48b41c9d2f9dcd815f4.zip | |
Merge tag 'zynqmp-soc-for-v5.5' of https://github.com/Xilinx/linux-xlnx into arm/drivers
arm64: soc: Xilinx SoC changes for v5.5
- Extend firmware interface to cover Versal chip
* tag 'zynqmp-soc-for-v5.5' of https://github.com/Xilinx/linux-xlnx:
firmware: xilinx: Add support for versal soc
dt-bindings: firmware: Add bindings for Versal firmware
soc: xilinx: Set CAP_UNUSABLE requirement for versal while powering down domain
Link: https://lore.kernel.org/r/6954a53c-6dab-c7a3-7257-58460ca952cb@monstr.eu
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'drivers/soc')
| -rw-r--r-- | drivers/soc/xilinx/zynqmp_pm_domains.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/soc/xilinx/zynqmp_pm_domains.c b/drivers/soc/xilinx/zynqmp_pm_domains.c index 600f57cf0c2e..23d90cb12ba9 100644 --- a/drivers/soc/xilinx/zynqmp_pm_domains.c +++ b/drivers/soc/xilinx/zynqmp_pm_domains.c @@ -2,7 +2,7 @@ /* * ZynqMP Generic PM domain support * - * Copyright (C) 2015-2018 Xilinx, Inc. + * Copyright (C) 2015-2019 Xilinx, Inc. * * Davorin Mista <davorin.mista@aggios.com> * Jolly Shah <jollys@xilinx.com> @@ -25,6 +25,8 @@ static const struct zynqmp_eemi_ops *eemi_ops; +static int min_capability; + /** * struct zynqmp_pm_domain - Wrapper around struct generic_pm_domain * @gpd: Generic power domain @@ -106,7 +108,7 @@ static int zynqmp_gpd_power_off(struct generic_pm_domain *domain) int ret; struct pm_domain_data *pdd, *tmp; struct zynqmp_pm_domain *pd; - u32 capabilities = 0; + u32 capabilities = min_capability; bool may_wakeup; if (!eemi_ops->set_requirement) @@ -283,6 +285,10 @@ static int zynqmp_gpd_probe(struct platform_device *pdev) if (!domains) return -ENOMEM; + if (!of_device_is_compatible(dev->parent->of_node, + "xlnx,zynqmp-firmware")) + min_capability = ZYNQMP_PM_CAPABILITY_UNUSABLE; + for (i = 0; i < ZYNQMP_NUM_DOMAINS; i++, pd++) { pd->node_id = 0; pd->gpd.name = kasprintf(GFP_KERNEL, "domain%d", i); |