86 lines
3.1 KiB
Diff
86 lines
3.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Ricardo Pardini <ricardo@pardini.net>
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Date: Thu, 2 Sep 2021 20:44:19 +0200
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Subject: ODROID N2(+): SPI-NOR enable via extra DTBs
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Kernel DTS patch to add SPI-flash-enabled DTBs (slower eMMC), produces -spi .dtbs for n2 and n2-plus
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Signed-off-by: Ricardo Pardini <ricardo@pardini.net>
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---
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arch/arm64/boot/dts/amlogic/Makefile | 2 ++
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arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2-enable-spi.dtsi | 13 ++++++++++
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arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2-plus-spi.dts | 11 ++++++++
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arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2-spi.dts | 11 ++++++++
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4 files changed, 37 insertions(+)
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diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
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index 9e2ad0b42523..10205ee7627a 100644
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--- a/arch/arm64/boot/dts/amlogic/Makefile
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+++ b/arch/arm64/boot/dts/amlogic/Makefile
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@@ -13,7 +13,9 @@ dtb-$(CONFIG_ARCH_MESON) += meson-g12b-a311d-bananapi-m2s.dtb
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dtb-$(CONFIG_ARCH_MESON) += meson-g12b-gsking-x.dtb
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dtb-$(CONFIG_ARCH_MESON) += meson-g12b-gtking-pro.dtb
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dtb-$(CONFIG_ARCH_MESON) += meson-g12b-gtking.dtb
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+dtb-$(CONFIG_ARCH_MESON) += meson-g12b-odroid-n2-spi.dtb
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dtb-$(CONFIG_ARCH_MESON) += meson-g12b-odroid-n2-plus.dtb
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+dtb-$(CONFIG_ARCH_MESON) += meson-g12b-odroid-n2-plus-spi.dtb
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dtb-$(CONFIG_ARCH_MESON) += meson-g12b-odroid-n2.dtb
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dtb-$(CONFIG_ARCH_MESON) += meson-g12b-radxa-zero2.dtb
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dtb-$(CONFIG_ARCH_MESON) += meson-g12b-s922x-khadas-vim3.dtb
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diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2-enable-spi.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2-enable-spi.dtsi
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new file mode 100644
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index 000000000000..a6f11e8cdfbe
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--- /dev/null
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+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2-enable-spi.dtsi
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@@ -0,0 +1,13 @@
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+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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+
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+/*
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+ * Replace emmc_data_8b_pins to emmc_data_4b_pins from sd_emmc_c pinctrl-0, and change bus-width to 4 then spifc can be enabled.
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+ */
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+&sd_emmc_c {
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+ pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_4b_pins>, <&emmc_ds_pins>;
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+ bus-width = <4>;
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+};
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+
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+&spifc {
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+ status = "okay";
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+};
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diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2-plus-spi.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2-plus-spi.dts
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new file mode 100644
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index 000000000000..f50f6f39a941
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--- /dev/null
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+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2-plus-spi.dts
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@@ -0,0 +1,11 @@
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+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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+
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+/dts-v1/;
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+
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+#include "meson-g12b-odroid-n2-plus.dts"
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+
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+/ {
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+ model = "Hardkernel ODROID-N2Plus with SPI";
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+};
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+
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+#include "meson-g12b-odroid-n2-enable-spi.dtsi"
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diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2-spi.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2-spi.dts
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new file mode 100644
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index 000000000000..3d85c25d5fc4
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--- /dev/null
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+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2-spi.dts
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@@ -0,0 +1,11 @@
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+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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+
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+/dts-v1/;
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+
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+#include "meson-g12b-odroid-n2.dts"
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+
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+/ {
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+ model = "Hardkernel ODROID-N2 with SPI";
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+};
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+
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+#include "meson-g12b-odroid-n2-enable-spi.dtsi"
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--
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Armbian
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