Commit 279e7aa3 authored by Dmitry Osipenko's avatar Dmitry Osipenko Committed by Thierry Reding
Browse files

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: default avatarDmitry Osipenko <digetx@gmail.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent 2c16be66

arch/arm/boot/dts/tegra20.dtsi

+4 −0
Original line number Diff line number Diff line
@@ -59,6 +59,7 @@ mpe@54040000 { 
			reset-names = "mpe";

			power-domains = <&pd_mpe>;

			operating-points-v2 = <&mpe_dvfs_opp_table>;

			status = "disabled";

		};



		vi@54080000 {
@@ -70,6 +71,7 @@ vi@54080000 { 
			reset-names = "vi";

			power-domains = <&pd_venc>;

			operating-points-v2 = <&vi_dvfs_opp_table>;

			status = "disabled";

		};



		epp@540c0000 {
@@ -81,6 +83,7 @@ epp@540c0000 { 
			reset-names = "epp";

			power-domains = <&pd_core>;

			operating-points-v2 = <&epp_dvfs_opp_table>;

			status = "disabled";

		};



		isp@54100000 {
@@ -91,6 +94,7 @@ isp@54100000 { 
			resets = <&tegra_car 23>;

			reset-names = "isp";

			power-domains = <&pd_venc>;

			status = "disabled";

		};



		gr2d@54140000 {

arch/arm/boot/dts/tegra30.dtsi

+8 −0
Original line number Diff line number Diff line
@@ -145,6 +145,8 @@ mpe@54040000 { 
			operating-points-v2 = <&mpe_dvfs_opp_table>;



			iommus = <&mc TEGRA_SWGROUP_MPE>;



			status = "disabled";

		};



		vi@54080000 {
@@ -158,6 +160,8 @@ vi@54080000 { 
			operating-points-v2 = <&vi_dvfs_opp_table>;



			iommus = <&mc TEGRA_SWGROUP_VI>;



			status = "disabled";

		};



		epp@540c0000 {
@@ -171,6 +175,8 @@ epp@540c0000 { 
			operating-points-v2 = <&epp_dvfs_opp_table>;



			iommus = <&mc TEGRA_SWGROUP_EPP>;



			status = "disabled";

		};



		isp@54100000 {
@@ -183,6 +189,8 @@ isp@54100000 { 
			power-domains = <&pd_venc>;



			iommus = <&mc TEGRA_SWGROUP_ISP>;



			status = "disabled";

		};



		gr2d@54140000 {