Re: [PATCH 6/6] sunxi: add CherryPi-F1C200s support

[Andre Przywara]

On 13/10/2022 09:33, Clément Péron wrote:

Hi Clément,
On Wed, 12 Oct 2022 at 18:35, Andre Przywara <andre.przyw...@arm.com> wrote:

The CherryPi F1C200s board is a small development board, featuring the
F1C200s with 64MB of co-packaged DRAM. It comes with two USB-C sockets,
of which one is connected to a USB-UART chip, that provides easy access
to UART1.

A similar board is trying to been upstreamed by Icenowy:

see : https://lore.kernel.org/lkml/20221012055602.1544944-11-...@icenowy.me/
[PATCH v2 10/10] ARM: dts: suniv: add device tree for PopStick v1.1

Maybe we should take into account the remarks that Krzysztof Kozlowski
made to follow the same device-tree rules on U-boot.

Yeah, thanks for the heads up, I saw that. I just wanted to post this to 
demonstrate what needs to be done. I will be sending a Linux DT patch 
anyway, since DTs need to go via Linux anyway.

Thanks,
Andre


Regards,
Clement

Beside the usual micro-SD card slot, the board comes with a SPI NAND
flash chip, which is not yet supported.

Signed-off-by: Andre Przywara <andre.przyw...@arm.com>
---
  .../dts/suniv-f1c100s-cherrypi-f1c200s.dts    | 45 +++++++++++++++++++
  configs/cherrypi_f1c200s_defconfig            | 11 +++++
  2 files changed, 56 insertions(+)
  create mode 100644 arch/arm/dts/suniv-f1c100s-cherrypi-f1c200s.dts
  create mode 100644 configs/cherrypi_f1c200s_defconfig

diff --git a/arch/arm/dts/suniv-f1c100s-cherrypi-f1c200s.dts 
b/arch/arm/dts/suniv-f1c100s-cherrypi-f1c200s.dts
new file mode 100644
index 00000000000..f0ebcb6d893
--- /dev/null
+++ b/arch/arm/dts/suniv-f1c100s-cherrypi-f1c200s.dts
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR X11)
+/*
+ * Copyright 2022 Arm Ltd.
+ * based on another DT, which is:
+ *   Copyright 2018 Icenowy Zheng <icen...@aosc.io>
+ */
+
+/dts-v1/;
+#include "suniv-f1c100s.dtsi"
+
+/ {
+       model = "Cherry Pi F1C200s";
+       compatible = "lctech,cherrypi-f1c200s", "allwinner,suniv-f1c100s";
+
+       aliases {
+               mmc0 = &mmc0;
+               serial0 = &uart1;
+               spi0 = &spi0;
+       };
+
+       chosen {
+               stdout-path = "serial0:115200n8";
+       };
+
+       reg_vcc3v3: vcc3v3 {
+               compatible = "regulator-fixed";
+               regulator-name = "vcc3v3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+       };
+};
+
+&mmc0 {
+       broken-cd;
+       bus-width = <4>;
+       disable-wp;
+       status = "okay";
+       vmmc-supply = <&reg_vcc3v3>;
+};
+
+&uart1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&uart1_pa_pins>;
+       status = "okay";
+};
diff --git a/configs/cherrypi_f1c200s_defconfig 
b/configs/cherrypi_f1c200s_defconfig
new file mode 100644
index 00000000000..306d363f485
--- /dev/null
+++ b/configs/cherrypi_f1c200s_defconfig
@@ -0,0 +1,11 @@
+CONFIG_ARM=y
+CONFIG_SYS_DCACHE_OFF=y
+CONFIG_ARCH_SUNXI=y
+CONFIG_DEFAULT_DEVICE_TREE="suniv-f1c100s-cherrypi-f1c200s"
+CONFIG_SPL=y
+CONFIG_MACH_SUNIV=y
+CONFIG_DRAM_CLK=156
+CONFIG_DRAM_ZQ=0
+CONFIG_SUNXI_MINIMUM_DRAM_MB=64
+# CONFIG_VIDEO_SUNXI is not set
+CONFIG_CONS_INDEX=2
--
2.25.1