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ARM: tegra20/30: Disable unused host1x hardware

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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>
This commit is contained in:
Dmitry Osipenko
2021-12-01 02:23:47 +03:00
committed by Thierry Reding
parent 2c16be6692
commit 279e7aa304
2 changed files with 12 additions and 0 deletions
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4
arch/arm/boot/dts/tegra20.dtsi
View File

@@ -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 {

8
arch/arm/boot/dts/tegra30.dtsi
View File

@@ -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 {