openwrt/target/linux/starfive/patches-6.1/0111-dt-bindings-dma-snps-dw-axi-dmac-constrain-the-items.patch
Zoltan HERPAI 4070e2a64c starfive: add new target for StarFive JH7100/7110 SoC
This target adds support for the StarFive JH7100 and JH7110 SoCs, based on
6.1, as well as a couple boards equipped with these.

Specifications:

SoCs:

JH7100:
 - StarFive JH7100 dual-core RISC-V (U74, RC64GC)
 - additional monitoring (S7) and control (E24) cores
 - 2Mb L2 cache

JH7110:
 - StarFive JH7110 quad-core RISC-V (U74, RV64GC)
 - additional monitoring (S7) and control (E24) cores
 - 2Mb L2 cache

Boards:

VisionFive1:
 - JH7100 @ 1GHz
 - Memory: 8Gb LPDDR4
 - 4x USB3.0
 - 1x GBit ethernet
 - AMPak 6236 wifi / bluetooth
 - audio
 - powered via USB-C

VisionFive2:
 - JH7110 @ 1.5GHz
 - Memory: 2/4/8Gb DDR4
 - 2x Gbit ethernet
 - 2x USB3.0 / 2x USB2.0
 - eMMC / SDIO
 - various multimedia input/outputs (MIPI CSI, HDMI, audio)
 - M.2 key M slot
 - PoE support
 - powered via USB-C

Installation:
Standard SD-card installation via dd-ing the generated image to
an SD-card of at least 256Mb.

Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
2024-03-10 18:21:46 +01:00

63 lines
1.5 KiB
Diff

From c2f59eeeee68bb66a3db8555474fe94e73b65b02 Mon Sep 17 00:00:00 2001
From: Walker Chen <walker.chen@starfivetech.com>
Date: Wed, 22 Mar 2023 17:48:17 +0800
Subject: [PATCH 111/122] dt-bindings: dma: snps,dw-axi-dmac: constrain the
items of resets for JH7110 dma
The DMA controller needs two reset items to work properly on JH7110 SoC,
so there is need to constrain the items' value to 2, other platforms
have 1 reset item at most.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Walker Chen <walker.chen@starfivetech.com>
---
.../bindings/dma/snps,dw-axi-dmac.yaml | 23 ++++++++++++++++++-
1 file changed, 22 insertions(+), 1 deletion(-)
--- a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml
+++ b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml
@@ -21,6 +21,7 @@ properties:
enum:
- snps,axi-dma-1.01a
- intel,kmb-axi-dma
+ - starfive,jh7110-axi-dma
reg:
minItems: 1
@@ -59,7 +60,8 @@ properties:
maximum: 8
resets:
- maxItems: 1
+ minItems: 1
+ maxItems: 2
snps,dma-masters:
description: |
@@ -110,6 +112,25 @@ required:
- snps,priority
- snps,block-size
+if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - starfive,jh7110-axi-dma
+then:
+ properties:
+ resets:
+ minItems: 2
+ items:
+ - description: AXI reset line
+ - description: AHB reset line
+ - description: module reset
+else:
+ properties:
+ resets:
+ maxItems: 1
+
additionalProperties: false
examples: