leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

arm64: tegra: Hook up MMC and BPMP to memory controller

Browse Source 
Use the interconnects property to hook up the MMC and BPMP to the memory
controller. This is needed to set the correct bus-level DMA mask, which
is a prerequisite for adding IOMMU support.

Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2021-12-13 17:21:51 +01:00
parent eed280dfe9
commit 6de481e5ab
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
arch/arm64/boot/dts/nvidia/tegra234.dtsi
View File

@ -156,6 +156,9 @@
assigned-clock-parents = <&bpmp TEGRA234_CLK_PLLC4>;
resets = <&bpmp TEGRA234_RESET_SDMMC4>;
reset-names = "sdhci";
interconnects = <&mc TEGRA234_MEMORY_CLIENT_SDMMCRAB &emc>,
<&mc TEGRA234_MEMORY_CLIENT_SDMMCWAB &emc>;
interconnect-names = "dma-mem", "write";
nvidia,pad-autocal-pull-up-offset-hs400 = <0x00>;
nvidia,pad-autocal-pull-down-offset-hs400 = <0x00>;
nvidia,pad-autocal-pull-up-offset-1v8-timeout = <0x0a>;
@ -288,6 +291,11 @@
#clock-cells = <1>;
#reset-cells = <1>;
#power-domain-cells = <1>;
interconnects = <&mc TEGRA234_MEMORY_CLIENT_BPMPR &emc>,
<&mc TEGRA234_MEMORY_CLIENT_BPMPW &emc>,
<&mc TEGRA234_MEMORY_CLIENT_BPMPDMAR &emc>,
<&mc TEGRA234_MEMORY_CLIENT_BPMPDMAW &emc>;
interconnect-names = "read", "write", "dma-mem", "dma-write";
bpmp_i2c: i2c {
compatible = "nvidia,tegra186-bpmp-i2c";