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| author | Dmitry Osipenko <digetx@gmail.com> | 2021-12-01 02:23:45 +0300 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2021-12-16 17:18:36 +0100 |
| commit | 1caf3ef4c0febbfe3180da3a57e53ebfa4a0fa3b (patch) | |
| tree | 75ca8636e983ce7c78b31d7a3a65ef9b8aed7632 | |
| parent | 73e2b72a3518fb60b6a1c11286715f933bafdec2 (diff) | |
| download | lwn-1caf3ef4c0febbfe3180da3a57e53ebfa4a0fa3b.tar.gz lwn-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.dtsi | 12 |
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>; }; |