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99545b4bb1
This target adds support for the Allwinner D1 RISC-V based SoCs.
- RISC-V single-core T-Head C906 (RV64GCV)
- Tensilica HiFi4 DSP
- DDR2/DDR3 support
- 10/100/1000M ethernet
- usual peripherals like USB2, SPI, I2C, PWM, etc.
Four boards are supported:
- Dongshan Nezha STU
- 512Mb RAM
- ethernet
- LicheePi RV Dock
- 512Mb RAM
- wireless-only (RTL8723DS)
- MangoPi MQ-Pro
- 512Mb RAM
- there are pads available for an SPI flash
- wireless-only (RTL8723DS)
- Nezha D1
- 512Mb/1Gb/2Gb RAM
- 256Mb NAND flash
- ethernet, wireless
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>
52 lines
1.6 KiB
Diff
52 lines
1.6 KiB
Diff
From f0c29c5d370507ca2106689e7e17b81e8b58f236 Mon Sep 17 00:00:00 2001
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From: Samuel Holland <samuel@sholland.org>
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Date: Sun, 14 Nov 2021 11:37:34 -0600
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Subject: [PATCH 045/117] dt-bindings: hwlock: sun6i: Add interrupts property
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While it was not officially documented until recently (e.g. A50), the
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hwspinlock block can trigger an interrupt when a lock is unlocked. This
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capability is used by Allwinner's ARISC firmware, it has been verified
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to work on A64, and the IRQ numbers are reserved as far back as A31.
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So most likely this feature has always been available.
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Even though the Linux hwspinlock framework cannot make use of the IRQ,
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the capability should still be documented in the device tree.
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Signed-off-by: Samuel Holland <samuel@sholland.org>
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---
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.../bindings/hwlock/allwinner,sun6i-a31-hwspinlock.yaml | 6 ++++++
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1 file changed, 6 insertions(+)
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--- a/Documentation/devicetree/bindings/hwlock/allwinner,sun6i-a31-hwspinlock.yaml
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+++ b/Documentation/devicetree/bindings/hwlock/allwinner,sun6i-a31-hwspinlock.yaml
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@@ -26,17 +26,22 @@ properties:
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resets:
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maxItems: 1
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+ interrupts:
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+ maxItems: 1
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+
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required:
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- compatible
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- reg
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- clocks
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- resets
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+ - interrupts
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/sun8i-a23-a33-ccu.h>
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+ #include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/reset/sun8i-a23-a33-ccu.h>
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hwlock@1c18000 {
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@@ -44,5 +49,6 @@ examples:
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reg = <0x01c18000 0x1000>;
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clocks = <&ccu CLK_BUS_SPINLOCK>;
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resets = <&ccu RST_BUS_SPINLOCK>;
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+ interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
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};
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...
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