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| author | Dmitry Osipenko <digetx@gmail.com> | 2021-12-01 00:23:47 +0100 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2021-12-16 17:18:36 +0100 |
| commit | 279e7aa30424ea900d34ef3a540e2f26a930353d (patch) | |
| tree | 1d813f876b3d4b0d8c53146dd431131a18b22c0e | |
| parent | ARM: tegra: Add Memory Client resets to Tegra30 GR2D, GR3D and Host1x (diff) | |
| download | linux-279e7aa30424ea900d34ef3a540e2f26a930353d.tar.xz linux-279e7aa30424ea900d34ef3a540e2f26a930353d.zip | |
ARM: tegra20/30: Disable unused host1x hardware
MPE, VI, EPP and ISP were never used and we don't have drivers for them.
Since these modules are enabled by default in a device-tree, a device is
created for them, blocking voltage scaling because there is no driver to
bind, and thus, state of PMC driver is never synced. Disable them.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
| -rw-r--r-- | arch/arm/boot/dts/tegra20.dtsi | 4 | ||||
| -rw-r--r-- | arch/arm/boot/dts/tegra30.dtsi | 8 |
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi index 4068952cc6c0..c8f2061b927f 100644 --- a/arch/arm/boot/dts/tegra20.dtsi +++ b/arch/arm/boot/dts/tegra20.dtsi @@ -59,6 +59,7 @@ reset-names = "mpe"; power-domains = <&pd_mpe>; operating-points-v2 = <&mpe_dvfs_opp_table>; + status = "disabled"; }; vi@54080000 { @@ -70,6 +71,7 @@ reset-names = "vi"; power-domains = <&pd_venc>; operating-points-v2 = <&vi_dvfs_opp_table>; + status = "disabled"; }; epp@540c0000 { @@ -81,6 +83,7 @@ reset-names = "epp"; power-domains = <&pd_core>; operating-points-v2 = <&epp_dvfs_opp_table>; + status = "disabled"; }; isp@54100000 { @@ -91,6 +94,7 @@ resets = <&tegra_car 23>; reset-names = "isp"; power-domains = <&pd_venc>; + status = "disabled"; }; gr2d@54140000 { diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi index b0160883336f..dc1f86309672 100644 --- a/arch/arm/boot/dts/tegra30.dtsi +++ b/arch/arm/boot/dts/tegra30.dtsi @@ -145,6 +145,8 @@ operating-points-v2 = <&mpe_dvfs_opp_table>; iommus = <&mc TEGRA_SWGROUP_MPE>; + + status = "disabled"; }; vi@54080000 { @@ -158,6 +160,8 @@ operating-points-v2 = <&vi_dvfs_opp_table>; iommus = <&mc TEGRA_SWGROUP_VI>; + + status = "disabled"; }; epp@540c0000 { @@ -171,6 +175,8 @@ operating-points-v2 = <&epp_dvfs_opp_table>; iommus = <&mc TEGRA_SWGROUP_EPP>; + + status = "disabled"; }; isp@54100000 { @@ -183,6 +189,8 @@ power-domains = <&pd_venc>; iommus = <&mc TEGRA_SWGROUP_ISP>; + + status = "disabled"; }; gr2d@54140000 { |