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authorDmitry Osipenko <digetx@gmail.com>2021-12-01 02:23:45 +0300
committerThierry Reding <treding@nvidia.com>2021-12-16 17:18:36 +0100
commit1caf3ef4c0febbfe3180da3a57e53ebfa4a0fa3b (patch)
tree75ca8636e983ce7c78b31d7a3a65ef9b8aed7632
parentARM: tegra: Add OPP tables and power domains to Tegra30 device-trees (diff)
downloadlinux-dev-1caf3ef4c0febbfe3180da3a57e53ebfa4a0fa3b.tar.xz
linux-dev-1caf3ef4c0febbfe3180da3a57e53ebfa4a0fa3b.zip
ARM: tegra: Add Memory Client resets to Tegra20 GR2D, GR3D and Host1x
Memory access must be blocked before hardware reset is asserted and before power is gated, otherwise a serious hardware fault is inevitable. Add reset for memory clients to the GR2D, GR3D and Host1x nodes. Tested-by: Paul Fertser <fercerpav@gmail.com> # PAZ00 T20 Tested-by: Nicolas Chauvet <kwizart@gmail.com> # PAZ00 T20 Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
-rw-r--r--arch/arm/boot/dts/tegra20.dtsi12
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
index 45fe111705af..4068952cc6c0 100644
--- a/arch/arm/boot/dts/tegra20.dtsi
+++ b/arch/arm/boot/dts/tegra20.dtsi
@@ -40,8 +40,8 @@
interrupt-names = "syncpt", "host1x";
clocks = <&tegra_car TEGRA20_CLK_HOST1X>;
clock-names = "host1x";
- resets = <&tegra_car 28>;
- reset-names = "host1x";
+ resets = <&tegra_car 28>, <&mc TEGRA20_MC_RESET_HC>;
+ reset-names = "host1x", "mc";
power-domains = <&pd_core>;
operating-points-v2 = <&host1x_dvfs_opp_table>;
@@ -98,8 +98,8 @@
reg = <0x54140000 0x00040000>;
interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&tegra_car TEGRA20_CLK_GR2D>;
- resets = <&tegra_car 21>;
- reset-names = "2d";
+ resets = <&tegra_car 21>, <&mc TEGRA20_MC_RESET_2D>;
+ reset-names = "2d", "mc";
power-domains = <&pd_core>;
operating-points-v2 = <&gr2d_dvfs_opp_table>;
};
@@ -108,8 +108,8 @@
compatible = "nvidia,tegra20-gr3d";
reg = <0x54180000 0x00040000>;
clocks = <&tegra_car TEGRA20_CLK_GR3D>;
- resets = <&tegra_car 24>;
- reset-names = "3d";
+ resets = <&tegra_car 24>, <&mc TEGRA20_MC_RESET_3D>;
+ reset-names = "3d", "mc";
power-domains = <&pd_3d>;
operating-points-v2 = <&gr3d_dvfs_opp_table>;
};