[PATCH v13 34/35] ARM: tegra: Add Memory Client resets to Tegra30 GR2D, GR3D and Host1x
From: Dmitry Osipenko <digetx@gmail.com>
Date: 2021-09-26 22:45:53
Also in:
dri-devel, linux-clk, linux-mmc, linux-pm, linux-pwm, linux-staging, linux-tegra, linux-usb, 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: Peter Geis <redacted> # Ouya T30 Tested-by: Matt Merhar <redacted> # Ouya T30 Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- arch/arm/boot/dts/tegra30.dtsi | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi
index c8130f8f680e..09cb1ab75312 100644
--- a/arch/arm/boot/dts/tegra30.dtsi
+++ b/arch/arm/boot/dts/tegra30.dtsi@@ -123,8 +123,8 @@ host1x@50000000 { interrupt-names = "syncpt", "host1x"; clocks = <&tegra_car TEGRA30_CLK_HOST1X>; clock-names = "host1x"; - resets = <&tegra_car 28>; - reset-names = "host1x"; + resets = <&tegra_car 28>, <&mc TEGRA30_MC_RESET_HC>; + reset-names = "host1x", "mc"; iommus = <&mc TEGRA_SWGROUP_HC>; operating-points-v2 = <&host1x_dvfs_opp_table>; power-domains = <&pd_heg>;
@@ -190,8 +190,8 @@ gr2d@54140000 { reg = <0x54140000 0x00040000>; interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>; clocks = <&tegra_car TEGRA30_CLK_GR2D>; - resets = <&tegra_car 21>; - reset-names = "2d"; + resets = <&tegra_car 21>, <&mc TEGRA30_MC_RESET_2D>; + reset-names = "2d", "mc"; operating-points-v2 = <&gr2d_dvfs_opp_table>; power-domains = <&pd_heg>;
@@ -205,8 +205,10 @@ gr3d@54180000 { <&tegra_car TEGRA30_CLK_GR3D2>; clock-names = "3d", "3d2"; resets = <&tegra_car 24>, - <&tegra_car 98>; - reset-names = "3d", "3d2"; + <&tegra_car 98>, + <&mc TEGRA30_MC_RESET_3D>, + <&mc TEGRA30_MC_RESET_3D2>; + reset-names = "3d", "3d2", "mc", "mc2"; operating-points-v2 = <&gr3d_dvfs_opp_table>; power-domains = <&pd_3d0>, <&pd_3d1>; power-domain-names = "3d0", "3d1";
--
2.32.0