diff options
Diffstat (limited to 'sys/contrib/device-tree/Bindings/firmware/nvidia,tegra186-bpmp.yaml')
| -rw-r--r-- | sys/contrib/device-tree/Bindings/firmware/nvidia,tegra186-bpmp.yaml | 40 |
1 files changed, 35 insertions, 5 deletions
diff --git a/sys/contrib/device-tree/Bindings/firmware/nvidia,tegra186-bpmp.yaml b/sys/contrib/device-tree/Bindings/firmware/nvidia,tegra186-bpmp.yaml index 833c07f1685c..3c44fe607e12 100644 --- a/sys/contrib/device-tree/Bindings/firmware/nvidia,tegra186-bpmp.yaml +++ b/sys/contrib/device-tree/Bindings/firmware/nvidia,tegra186-bpmp.yaml @@ -57,8 +57,11 @@ description: | "#address-cells" or "#size-cells" property. The shared memory area for the IPC TX and RX between CPU and BPMP are - predefined and work on top of sysram, which is an SRAM inside the - chip. See ".../sram/sram.yaml" for the bindings. + predefined and work on top of either sysram, which is an SRAM inside the + chip, or in normal SDRAM. + See ".../sram/sram.yaml" for the bindings for the SRAM case. + See "../reserved-memory/nvidia,tegra264-bpmp-shmem.yaml" for bindings for + the SDRAM case. properties: compatible: @@ -67,6 +70,7 @@ properties: - enum: - nvidia,tegra194-bpmp - nvidia,tegra234-bpmp + - nvidia,tegra264-bpmp - const: nvidia,tegra186-bpmp - const: nvidia,tegra186-bpmp @@ -81,6 +85,11 @@ properties: minItems: 2 maxItems: 2 + memory-region: + description: phandle to reserved memory region used for IPC between + CPU-NS and BPMP. + maxItems: 1 + "#clock-cells": const: 1 @@ -115,10 +124,15 @@ properties: additionalProperties: false +oneOf: + - required: + - memory-region + - required: + - shmem + required: - compatible - mboxes - - shmem - "#clock-cells" - "#power-domain-cells" - "#reset-cells" @@ -165,8 +179,7 @@ examples: <&mc TEGRA186_MEMORY_CLIENT_BPMPDMAW &emc>; interconnect-names = "read", "write", "dma-mem", "dma-write"; iommus = <&smmu TEGRA186_SID_BPMP>; - mboxes = <&hsp_top0 TEGRA_HSP_MBOX_TYPE_DB - TEGRA_HSP_DB_MASTER_BPMP>; + mboxes = <&hsp_top0 TEGRA_HSP_MBOX_TYPE_DB TEGRA_HSP_DB_MASTER_BPMP>; shmem = <&cpu_bpmp_tx>, <&cpu_bpmp_rx>; #clock-cells = <1>; #power-domain-cells = <1>; @@ -184,3 +197,20 @@ examples: #thermal-sensor-cells = <1>; }; }; + + - | + #include <dt-bindings/mailbox/tegra186-hsp.h> + + bpmp { + compatible = "nvidia,tegra186-bpmp"; + interconnects = <&mc TEGRA186_MEMORY_CLIENT_BPMPR &emc>, + <&mc TEGRA186_MEMORY_CLIENT_BPMPW &emc>, + <&mc TEGRA186_MEMORY_CLIENT_BPMPDMAR &emc>, + <&mc TEGRA186_MEMORY_CLIENT_BPMPDMAW &emc>; + interconnect-names = "read", "write", "dma-mem", "dma-write"; + mboxes = <&hsp_top1 TEGRA_HSP_MBOX_TYPE_DB TEGRA_HSP_DB_MASTER_BPMP>; + memory-region = <&dram_cpu_bpmp_mail>; + #clock-cells = <1>; + #power-domain-cells = <1>; + #reset-cells = <1>; + }; |