[PATCH v7 35/37] ARM: tegra: Add Memory Client resets to Tegra20 GR2D, GR3D and Host1x
From: Dmitry Osipenko <digetx@gmail.com>
Date: 2021-07-01 23:30:30
Also in:
linux-tegra, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 <redacted> # PAZ00 T20 Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- arch/arm/boot/dts/tegra20.dtsi | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
index 5c74cc76b5e3..2cb31bdd9eea 100644
--- a/arch/arm/boot/dts/tegra20.dtsi
+++ b/arch/arm/boot/dts/tegra20.dtsi@@ -40,8 +40,8 @@ host1x@50000000 { 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"; operating-points-v2 = <&host1x_dvfs_opp_table>; power-domains = <&pd_core>;
@@ -98,8 +98,8 @@ gr2d@54140000 { 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"; operating-points-v2 = <&gr2d_dvfs_opp_table>; power-domains = <&pd_core>; };
@@ -108,8 +108,8 @@ gr3d@54180000 { 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"; operating-points-v2 = <&gr3d_dvfs_opp_table>; power-domains = <&pd_3d>; };
--
2.30.2