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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>
63 lines
1.5 KiB
Diff
63 lines
1.5 KiB
Diff
From 7ac17ab7ea644ec27935865d6d0208ecc7fd4ed9 Mon Sep 17 00:00:00 2001
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From: Samuel Holland <samuel@sholland.org>
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Date: Thu, 11 Aug 2022 22:29:03 -0500
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Subject: [PATCH 091/117] riscv: dts: allwinner: devterm: Add DSI panel and
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backlight
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Signed-off-by: Samuel Holland <samuel@sholland.org>
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---
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.../allwinner/sun20i-d1-clockworkpi-v3.14.dts | 8 +++++++-
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.../dts/allwinner/sun20i-d1-devterm-v3.14.dts | 20 +++++++++++++++++++
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2 files changed, 27 insertions(+), 1 deletion(-)
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--- a/arch/riscv/boot/dts/allwinner/sun20i-d1-clockworkpi-v3.14.dts
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+++ b/arch/riscv/boot/dts/allwinner/sun20i-d1-clockworkpi-v3.14.dts
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@@ -48,6 +48,12 @@
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};
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};
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+ backlight: backlight {
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+ compatible = "pwm-backlight";
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+ power-supply = <®_vcc>;
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+ pwms = <&pwm 4 50000 0>; /* PD20/GPIO9 */
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+ };
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+
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reg_vdd_cpu: vdd-cpu {
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compatible = "pwm-regulator";
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pwms = <&pwm 0 50000 0>;
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@@ -252,7 +258,7 @@
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};
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&pwm {
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- pinctrl-0 = <&pwm0_pd16_pin>;
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+ pinctrl-0 = <&pwm0_pd16_pin>, <&pwm4_pd20_pin>;
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pinctrl-names = "default";
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status = "okay";
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};
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--- a/arch/riscv/boot/dts/allwinner/sun20i-d1-devterm-v3.14.dts
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+++ b/arch/riscv/boot/dts/allwinner/sun20i-d1-devterm-v3.14.dts
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@@ -35,3 +35,23 @@
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};
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};
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};
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+
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+&de {
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+ status = "okay";
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+};
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+
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+&dsi {
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+ pinctrl-0 = <&dsi_4lane_pins>;
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+ pinctrl-names = "default";
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+ status = "okay";
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+
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+ panel@0 {
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+ compatible = "clockwork,cwd686";
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+ reg = <0>;
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+ backlight = <&backlight>;
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+ reset-gpios = <&pio 3 19 GPIO_ACTIVE_LOW>; /* PD19/GPIO8 */
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+ rotation = <90>;
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+ iovcc-supply = <®_dcdc3>;
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+ vci-supply = <®_aldo2>;
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+ };
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+};
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