From: Tao Ren <rentao.bupt@xxxxxxxxx>
This common descirption is included by all Facebook AST2600 Network BMC
platforms to minimize duplicated device entries across Facebook Network
BMC device trees.
Signed-off-by: Tao Ren <rentao.bupt@xxxxxxxxx>
---
Changes in v2:
- "mac3" is removed from the dtsi (moved to platform dts files).
.../dts/ast2600-facebook-netbmc-common.dtsi | 169 ++++++++++++++++++
1 file changed, 169 insertions(+)
create mode 100644 arch/arm/boot/dts/ast2600-facebook-netbmc-common.dtsi
diff --git a/arch/arm/boot/dts/ast2600-facebook-netbmc-common.dtsi b/arch/arm/boot/dts/ast2600-facebook-netbmc-common.dtsi
new file mode 100644
index 000000000000..051de5bec345
--- /dev/null
+++ b/arch/arm/boot/dts/ast2600-facebook-netbmc-common.dtsi
@@ -0,0 +1,169 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (c) 2020 Facebook Inc.
+
+#include "aspeed-g6.dtsi"
+#include <dt-bindings/gpio/aspeed-gpio.h>
+
+/ {
+ aliases {
+ mmc0 = &emmc;
+ spi1 = &spi1;
+ spi2 = &spi_gpio;
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,9600n8 root=/dev/ram rw vmalloc=640M";
+ };
+
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0x80000000 0x80000000>;
+ };
+
+ /*
+ * GPIO-based SPI Master is required to access SPI TPM, because
+ * full-duplex SPI transactions are not supported by ASPEED SPI
+ * Controllers.
+ */
+ spi_gpio: spi-gpio {
+ status = "okay";
+ compatible = "spi-gpio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ gpio-sck = <&gpio0 ASPEED_GPIO(X, 3) GPIO_ACTIVE_HIGH>;
+ gpio-mosi = <&gpio0 ASPEED_GPIO(X, 4) GPIO_ACTIVE_HIGH>;
+ gpio-miso = <&gpio0 ASPEED_GPIO(X, 5) GPIO_ACTIVE_HIGH>;
+
+ tpmdev@0 {
+ compatible = "tcg,tpm_tis-spi";
+ spi-max-frequency = <33000000>;
+ reg = <0>;
+ };
+ };
+};
+
+&fmc {
+ status = "okay";
+
+ flash@0 {
+ status = "okay";
+ m25p,fast-read;
+ label = "spi0.0";
+
+#include "facebook-bmc-flash-layout-128.dtsi"
+ };
+
+ flash@1 {
+ status = "okay";
+ m25p,fast-read;
+ label = "spi0.1";
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ flash1@0 {
+ reg = <0x0 0x8000000>;
+ label = "flash1";
+ };
+ };
+ };
+};
+
+&spi1 {
+ status = "okay";
+};
+
+&uart1 {
+ status = "okay";
+};
+
+&uart2 {
+ status = "okay";
+};
+
+&uart5 {
+ status = "okay";
+};
+
+&wdt1 {
+ status = "okay";
+};
+
+&i2c0 {
+ status = "okay";
+};
+
+&i2c1 {
+ status = "okay";
+};
+
+&i2c2 {
+ status = "okay";
+};
+
+&i2c3 {
+ status = "okay";
+};
+
+&i2c4 {
+ status = "okay";
+};
+
+&i2c5 {
+ status = "okay";
+};
+
+&i2c6 {
+ status = "okay";
+};
+
+&i2c7 {
+ status = "okay";
+};
+
+&i2c8 {
+ status = "okay";
+};
+
+&i2c9 {
+ status = "okay";
+};
+
+&i2c10 {
+ status = "okay";
+};
+
+&i2c12 {
+ status = "okay";
+};
+
+&i2c13 {
+ status = "okay";
+};
+
+&i2c15 {
+ status = "okay";
+};
+
+&vhub {
+ status = "okay";
+};
+
+&emmc_controller {
+ status = "okay";
+};
+
+&emmc {
+ status = "okay";
+
+ non-removable;
+ max-frequency = <25000000>;
+ bus-width = <4>;
+};
+
+&rtc {
+ status = "okay";
+};
--
2.17.1
