* [PATCH 2/2] ARM: dts: aspeed: Add Facebook Backpack-CMM BMC
@ 2018-09-28 20:55 Tao Ren
2018-10-04 17:58 ` Tao Ren
0 siblings, 1 reply; 2+ messages in thread
From: Tao Ren @ 2018-09-28 20:55 UTC (permalink / raw)
To: linux-aspeed
Add initial version of device tree file for Facebook Backpack CMM
(Chasis Management Module) ast2500 BMC.
Note: I2C devices on Backpack Line Cards and Fabric Cards are not
listed in the device tree file because Line/Fabric Cards may be
unplugged.
Signed-off-by: Tao Ren <taoren@fb.com>
---
arch/arm/boot/dts/aspeed-bmc-facebook-cmm.dts | 317 ++++++++++++++++++
1 file changed, 317 insertions(+)
create mode 100644 arch/arm/boot/dts/aspeed-bmc-facebook-cmm.dts
diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-cmm.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-cmm.dts
new file mode 100644
index 000000000000..a259d8a2426a
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed-bmc-facebook-cmm.dts
@@ -0,0 +1,317 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (c) 2018 Facebook Inc.
+/dts-v1/;
+
+#include "aspeed-g5.dtsi"
+
+/ {
+ model = "Facebook Backpack CMM BMC";
+ compatible = "facebook,cmm-bmc", "aspeed,ast2500";
+
+ aliases {
+ /*
+ * Override the default uart aliases to avoid breaking
+ * the legacy applications.
+ */
+ serial0 = &uart5;
+ serial1 = &uart1;
+ serial2 = &uart3;
+ serial3 = &uart4;
+
+ /*
+ * Hardcode the bus number of i2c switches' channels to
+ * avoid breaking the legacy applications.
+ */
+ i2c16 = &imux16;
+ i2c17 = &imux17;
+ i2c18 = &imux18;
+ i2c19 = &imux19;
+ i2c20 = &imux20;
+ i2c21 = &imux21;
+ i2c22 = &imux22;
+ i2c23 = &imux23;
+ i2c24 = &imux24;
+ i2c25 = &imux25;
+ i2c26 = &imux26;
+ i2c27 = &imux27;
+ i2c28 = &imux28;
+ i2c29 = &imux29;
+ i2c30 = &imux30;
+ i2c31 = &imux31;
+ i2c32 = &imux32;
+ i2c33 = &imux33;
+ i2c34 = &imux34;
+ i2c35 = &imux35;
+ i2c36 = &imux36;
+ i2c37 = &imux37;
+ i2c38 = &imux38;
+ i2c39 = &imux39;
+ };
+
+ chosen {
+ stdout-path = &uart1;
+ bootargs = "console=ttyS1,9600n8 root=/dev/ram rw earlyprintk";
+ };
+
+ memory at 80000000 {
+ reg = <0x80000000 0x20000000>;
+ };
+};
+
+/*
+ * Update reset type to "system" (full chip) to fix warm reboot hang issue
+ * when reset type is set to default ("soc", gated by reset mask registers).
+ */
+&wdt1 {
+ status = "okay";
+ aspeed,reset-type = "system";
+};
+
+/*
+ * wdt2 is not used by Backpack CMM.
+ */
+&wdt2 {
+ status = "disabled";
+};
+
+&fmc {
+ status = "okay";
+ flash at 0 {
+ status = "okay";
+ m25p,fast-read;
+ label = "bmc";
+#include "facebook-bmc-flash-layout.dtsi"
+ };
+};
+
+&uart1 {
+ status = "okay";
+};
+
+&uart3 {
+ status = "okay";
+};
+
+&uart4 {
+ status = "okay";
+};
+
+&uart5 {
+ status = "okay";
+};
+
+&mac1 {
+ status = "okay";
+ no-hw-checksum;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_rgmii2_default &pinctrl_mdio2_default>;
+};
+
+&i2c0 {
+ status = "okay";
+};
+
+&i2c1 {
+ status = "okay";
+
+ i2c-switch at 77 {
+ compatible = "nxp,pca9548";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x77>;
+
+ imux16: i2c at 0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+ };
+
+ imux17: i2c at 1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ };
+
+ imux18: i2c at 2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <2>;
+ };
+
+ imux19: i2c at 3 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <3>;
+ };
+
+ imux20: i2c at 4 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <4>;
+ };
+
+ imux21: i2c at 5 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <5>;
+ };
+
+ imux22: i2c at 6 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <6>;
+ };
+
+ imux23: i2c at 7 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <7>;
+ };
+ };
+};
+
+&i2c2 {
+ status = "okay";
+
+ i2c-switch at 71 {
+ compatible = "nxp,pca9548";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x71>;
+
+ imux24: i2c at 0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+ };
+
+ imux25: i2c at 1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ };
+
+ imux26: i2c at 2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <2>;
+ };
+
+ imux27: i2c at 3 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <3>;
+ };
+
+ imux28: i2c at 4 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <4>;
+ };
+
+ imux29: i2c at 5 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <5>;
+ };
+
+ imux30: i2c at 6 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <6>;
+ };
+
+ imux31: i2c at 7 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <7>;
+ };
+ };
+};
+
+&i2c3 {
+ status = "okay";
+};
+
+&i2c4 {
+ status = "okay";
+};
+
+&i2c5 {
+ status = "okay";
+};
+
+&i2c6 {
+ status = "okay";
+};
+
+&i2c7 {
+ status = "okay";
+};
+
+&i2c8 {
+ status = "okay";
+
+ i2c-switch at 77 {
+ compatible = "nxp,pca9548";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x77>;
+
+ imux32: i2c at 0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+ };
+
+ imux33: i2c at 1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ };
+
+ imux34: i2c at 2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <2>;
+ };
+
+ imux35: i2c at 3 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <3>;
+ };
+
+ imux36: i2c at 4 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <4>;
+ };
+
+ imux37: i2c at 5 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <5>;
+ };
+
+ imux38: i2c at 6 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <6>;
+ };
+
+ imux39: i2c at 7 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <7>;
+ };
+ };
+};
+
+&i2c13 {
+ status = "okay";
+};
+
+&adc {
+ status = "okay";
+};
--
2.17.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH 2/2] ARM: dts: aspeed: Add Facebook Backpack-CMM BMC
2018-09-28 20:55 [PATCH 2/2] ARM: dts: aspeed: Add Facebook Backpack-CMM BMC Tao Ren
@ 2018-10-04 17:58 ` Tao Ren
0 siblings, 0 replies; 2+ messages in thread
From: Tao Ren @ 2018-10-04 17:58 UTC (permalink / raw)
To: linux-aspeed
Hi Joel / Andrew,
?On 9/28/18, 1:56 PM, "Tao Ren" <taoren@fb.com> wrote:
> Add initial version of device tree file for Facebook Backpack CMM
> (Chasis Management Module) ast2500 BMC.
> Note: I2C devices on Backpack Line Cards and Fabric Cards are not
> listed in the device tree file because Line/Fabric Cards may be
> unplugged.
>
> Signed-off-by: Tao Ren <taoren@fb.com>
A kinder reminder just in case you missed the email. Any comments/suggestions on the patches?
Thanks,
Tao Ren
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