From patchwork Tue Nov 8 00:15:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zev Weiss X-Patchwork-Id: 13035553 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9395FC4321E for ; Tue, 8 Nov 2022 00:16:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) id 761D2C433D6; Tue, 8 Nov 2022 00:16:09 +0000 (UTC) Received: from thorn.bewilderbeest.net (thorn.bewilderbeest.net [71.19.156.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.kernel.org (Postfix) with ESMTPS id 751FEC43145; Tue, 8 Nov 2022 00:16:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.kernel.org 751FEC43145 Authentication-Results: smtp.kernel.org; dmarc=pass (p=none dis=none) header.from=bewilderbeest.net Authentication-Results: smtp.kernel.org; spf=pass smtp.mailfrom=bewilderbeest.net Received: from hatter.bewilderbeest.net (97-113-250-99.tukw.qwest.net [97.113.250.99]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: zev) by thorn.bewilderbeest.net (Postfix) with ESMTPSA id 12B2DB76; Mon, 7 Nov 2022 16:16:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bewilderbeest.net; s=thorn; t=1667866561; bh=3VhOcEvxFccvRIos7On0Hck2TyHvd6rH+W1YQcByc3w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Tp7F6FChc19LJVnti4xee0My7n/ntUElyCrEZiGdUs4Q8g9aouJkNtfDWwcHsMaa3 4QaD+QWF9dR0lHHzpWVVEXcKm+PZ2h4K8bLcZj8mtC52cw446WUvlqVdxzyODhEseQ K0I8tD1AYTE//ergGoK/7EjHhWmQyYNz4wxJUYXo= From: Zev Weiss List-Id: To: linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, soc@kernel.org Cc: Zev Weiss , Andrew Jeffery , Arnd Bergmann , Joel Stanley , Krzysztof Kozlowski , Olof Johansson , Rob Herring , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, openbmc@lists.ozlabs.org Subject: [PATCH v2 2/2] ARM: dts: aspeed: Add Delta AHE-50DC BMC Date: Mon, 7 Nov 2022 16:15:51 -0800 Message-Id: <20221108001551.18175-3-zev@bewilderbeest.net> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221108001551.18175-1-zev@bewilderbeest.net> References: <20221108001551.18175-1-zev@bewilderbeest.net> MIME-Version: 1.0 This is a 1U Open19 power shelf with six PSUs and 50 12VDC outputs via LM25066 efuses. It's managed by a pair of AST1250 BMCs in a redundant active/active configuration using a PCA9541 on each I2C bus to arbitrate access between the two. Signed-off-by: Zev Weiss --- arch/arm/boot/dts/Makefile | 1 + .../arm/boot/dts/aspeed-bmc-delta-ahe50dc.dts | 418 ++++++++++++++++++ 2 files changed, 419 insertions(+) create mode 100644 arch/arm/boot/dts/aspeed-bmc-delta-ahe50dc.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 6aa7dc4db2fc..8961fbb2c0bc 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -1588,6 +1588,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \ aspeed-bmc-asrock-e3c246d4i.dtb \ aspeed-bmc-asrock-romed8hm3.dtb \ aspeed-bmc-bytedance-g220a.dtb \ + aspeed-bmc-delta-ahe50dc.dtb \ aspeed-bmc-facebook-bletchley.dtb \ aspeed-bmc-facebook-cloudripper.dtb \ aspeed-bmc-facebook-cmm.dtb \ diff --git a/arch/arm/boot/dts/aspeed-bmc-delta-ahe50dc.dts b/arch/arm/boot/dts/aspeed-bmc-delta-ahe50dc.dts new file mode 100644 index 000000000000..6600f7e9bf5e --- /dev/null +++ b/arch/arm/boot/dts/aspeed-bmc-delta-ahe50dc.dts @@ -0,0 +1,418 @@ +// SPDX-License-Identifier: GPL-2.0+ +/dts-v1/; + +#include "aspeed-g4.dtsi" +#include + +#define EFUSE_OUTPUT(n) \ + efuse##n { \ + compatible = "regulator-output"; \ + vout-supply = <&efuse##n>; \ + } + +#define __stringify(x) #x + +#define EFUSE(hexaddr, num) \ + efuse@##hexaddr { \ + compatible = "lm25066"; \ + reg = <0x##hexaddr>; \ + shunt-resistor-micro-ohms = <675>; \ + regulators { \ + efuse##num: vout0 { \ + regulator-name = __stringify(efuse##num##-reg); \ + }; \ + }; \ + } + +/{ + model = "Delta Power AHE-50DC"; + compatible = "delta,ahe50dc-bmc", "aspeed,ast2400"; + + aliases { + serial4 = &uart5; + + /* + * pca9541-arbitrated logical i2c buses are numbered as the + * corresponding physical bus plus 20 + */ + i2c20 = &i2carb0; + i2c21 = &i2carb1; + i2c22 = &i2carb2; + i2c23 = &i2carb3; + i2c24 = &i2carb4; + i2c26 = &i2carb6; + i2c27 = &i2carb7; + i2c28 = &i2carb8; + i2c32 = &i2carb12; + }; + + chosen { + stdout-path = &uart3; + bootargs = "console=ttyS2,115200n8 earlycon"; + }; + + memory@40000000 { + reg = <0x40000000 0x10000000>; + }; + + leds { + compatible = "gpio-leds"; + + heartbeat { + gpios = <&gpio ASPEED_GPIO(P, 0) GPIO_ACTIVE_HIGH>; + linux,default-trigger = "heartbeat"; + }; + + panic { + gpios = <&gpio ASPEED_GPIO(P, 2) GPIO_ACTIVE_HIGH>; + linux,default-trigger = "panic"; + }; + }; + + iio-hwmon { + compatible = "iio-hwmon"; + io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>, <&adc 4>, + <&adc 5>, <&adc 6>, <&adc 7>, <&adc 8>, <&adc 9>; + }; + + EFUSE_OUTPUT(01); + EFUSE_OUTPUT(02); + EFUSE_OUTPUT(03); + EFUSE_OUTPUT(04); + EFUSE_OUTPUT(05); + EFUSE_OUTPUT(06); + EFUSE_OUTPUT(07); + EFUSE_OUTPUT(08); + EFUSE_OUTPUT(09); + EFUSE_OUTPUT(10); + EFUSE_OUTPUT(11); + EFUSE_OUTPUT(12); + EFUSE_OUTPUT(13); + EFUSE_OUTPUT(14); + EFUSE_OUTPUT(15); + EFUSE_OUTPUT(16); + EFUSE_OUTPUT(17); + EFUSE_OUTPUT(18); + EFUSE_OUTPUT(19); + EFUSE_OUTPUT(20); + EFUSE_OUTPUT(21); + EFUSE_OUTPUT(22); + EFUSE_OUTPUT(23); + EFUSE_OUTPUT(24); + EFUSE_OUTPUT(25); + EFUSE_OUTPUT(26); + EFUSE_OUTPUT(27); + EFUSE_OUTPUT(28); + EFUSE_OUTPUT(29); + EFUSE_OUTPUT(30); + EFUSE_OUTPUT(31); + EFUSE_OUTPUT(32); + EFUSE_OUTPUT(33); + EFUSE_OUTPUT(34); + EFUSE_OUTPUT(35); + EFUSE_OUTPUT(36); + EFUSE_OUTPUT(37); + EFUSE_OUTPUT(38); + EFUSE_OUTPUT(39); + EFUSE_OUTPUT(40); + EFUSE_OUTPUT(41); + EFUSE_OUTPUT(42); + EFUSE_OUTPUT(43); + EFUSE_OUTPUT(44); + EFUSE_OUTPUT(45); + EFUSE_OUTPUT(46); + EFUSE_OUTPUT(47); + EFUSE_OUTPUT(48); + EFUSE_OUTPUT(49); + EFUSE_OUTPUT(50); + +}; + +&fmc { + status = "okay"; + + flash@0 { + status = "okay"; + m25p,fast-read; + label = "flash0"; + spi-max-frequency = <50000000>; // 50 MHz +#include "openbmc-flash-layout.dtsi" + }; +}; + +&uart3 { + status = "okay"; +}; + +&mac1 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_rgmii2_default &pinctrl_mdio2_default>; +}; + +&i2c0 { + status = "okay"; + bus-frequency = <200000>; + + pca9541@79 { + compatible = "nxp,pca9541"; + reg = <0x79>; + + i2carb0: i2c-arb { + #address-cells = <1>; + #size-cells = <0>; + + /* lm25066 efuses @ 10-17, 40-47, 50-57 */ + EFUSE(10, 03); + EFUSE(11, 04); + EFUSE(12, 01); + EFUSE(13, 02); + EFUSE(14, 13); + EFUSE(15, 14); + EFUSE(16, 15); + EFUSE(17, 16); + EFUSE(40, 12); + EFUSE(41, 11); + EFUSE(42, 10); + EFUSE(43, 09); + EFUSE(44, 08); + EFUSE(45, 07); + EFUSE(46, 05); + EFUSE(47, 06); + EFUSE(50, 17); + EFUSE(51, 18); + EFUSE(52, 20); + EFUSE(53, 19); + EFUSE(54, 22); + EFUSE(55, 21); + EFUSE(56, 24); + EFUSE(57, 23); + }; + }; +}; + +&i2c1 { + status = "okay"; + bus-frequency = <200000>; + + pca9541@72 { + compatible = "nxp,pca9541"; + reg = <0x72>; + + i2carb1: i2c-arb { + #address-cells = <1>; + #size-cells = <0>; + }; + }; +}; + +&i2c2 { + status = "okay"; + bus-frequency = <200000>; + + pca9541@73 { + compatible = "nxp,pca9541"; + reg = <0x73>; + + i2carb2: i2c-arb { + #address-cells = <1>; + #size-cells = <0>; + }; + }; +}; + +&i2c3 { + status = "okay"; + bus-frequency = <200000>; + + pca9541@74 { + compatible = "nxp,pca9541"; + reg = <0x74>; + + i2carb3: i2c-arb { + #address-cells = <1>; + #size-cells = <0>; + }; + }; +}; + +&i2c4 { + status = "okay"; + bus-frequency = <200000>; + + pca9541@7a { + compatible = "nxp,pca9541"; + reg = <0x7a>; + + i2carb4: i2c-arb { + #address-cells = <1>; + #size-cells = <0>; + + gpio@20 { + compatible = "nxp,pca9534"; + reg = <0x20>; + gpio-controller; + #gpio-cells = <2>; + }; + + /* lm25066 efuses @ 10-17, 40-47, 50-57, 59, 5a */ + EFUSE(10, 27); + EFUSE(11, 28); + EFUSE(12, 25); + EFUSE(13, 26); + EFUSE(14, 37); + EFUSE(15, 38); + EFUSE(16, 39); + EFUSE(17, 40); + EFUSE(40, 36); + EFUSE(41, 35); + EFUSE(42, 34); + EFUSE(43, 33); + EFUSE(44, 32); + EFUSE(45, 31); + EFUSE(46, 29); + EFUSE(47, 30); + EFUSE(50, 41); + EFUSE(51, 42); + EFUSE(52, 44); + EFUSE(53, 43); + EFUSE(54, 46); + EFUSE(55, 45); + EFUSE(56, 48); + EFUSE(57, 47); + EFUSE(59, 49); + EFUSE(5a, 50); + }; + }; +}; + +&i2c6 { + status = "okay"; + bus-frequency = <200000>; + + pca9541@75 { + compatible = "nxp,pca9541"; + reg = <0x75>; + + i2carb6: i2c-arb { + #address-cells = <1>; + #size-cells = <0>; + }; + }; +}; + +&i2c7 { + status = "okay"; + bus-frequency = <200000>; + + pca9541@76 { + compatible = "nxp,pca9541"; + reg = <0x76>; + + i2carb7: i2c-arb { + #address-cells = <1>; + #size-cells = <0>; + }; + }; +}; + +&i2c8 { + status = "okay"; + bus-frequency = <200000>; + + pca9541@7c { + compatible = "nxp,pca9541"; + reg = <0x7c>; + + i2carb8: i2c-arb { + #address-cells = <1>; + #size-cells = <0>; + + fancontrol@30 { + compatible = "delta,ahe50dc-fan"; + reg = <0x30>; + }; + + /* Baseboard FRU eeprom */ + eeprom@50 { + compatible = "atmel,24c02"; + reg = <0x50>; + }; + }; + }; +}; + +&i2c12 { + status = "okay"; + bus-frequency = <200000>; + + pca9541@71 { + compatible = "nxp,pca9541"; + reg = <0x71>; + + i2carb12: i2c-arb { + #address-cells = <1>; + #size-cells = <0>; + }; + }; +}; + +&gpio { + status = "okay"; + gpio-line-names = + /* A */ "", "", "", "", "", "", "", "", + /* B */ "", "", "", "", "", "", "", "", + /* C */ "RESET_PEER_N", "HEARTBEAT_OUT", "", "", "", "", "", "", + /* D */ "", "", "", "", "", "", "", "", + /* E */ "DOOM_N", "", "", "", "", "LED_PWR_BLUE", "", "", + /* F */ "", "", "", "", "", "", "", "", + /* G */ "", "", "", "", "", "", "", "", + /* H */ "", "", "", "", "", "", "", "", + /* I */ "", "", "", "", "", "", "", "", + /* J */ "", "", "BMC_ID", "", "", "", "", "", + /* K */ "", "", "", "", "", "", "", "", + /* L */ "", "", "", "", "", "", "", "", + /* M */ "", "", "", "", "", "", "", "", + /* N */ "", "", "", "", "", "", "", "", + /* O */ "", "", "", "", "", "", "", "", + /* P */ "LED_GREEN", "", "LED_RED", "", "", "", "", "", + /* Q */ "", "", "", "", "", "", "", "", + /* R */ "", "", "", "", "", "", "", "", + /* S */ "", "", "", "", "", "", "", "", + /* T */ "", "", "", "", "", "", "", "", + /* U */ "", "", "", "", "", "", "", "", + /* V */ "", "", "", "", "", "", "", "", + /* W */ "", "", "", "", "", "", "", "", + /* X */ "", "", "", "", "", "", "", "", + /* Y */ "HEARTBEAT_IN", "BOARDREV0", "BOARDREV1", "", + /* Z */ "", "", "", "", "", "", "", "", + /* AA */ "", "", "", "", "", "", "", "", + /* AB */ "", "", "", ""; + + /* + * I don't rightly know what this GPIO really *is*, but setting it to + * zero causes the fans to run at full speed, after which setting it + * back to one causes a power output glitch, so install a hog to keep + * it at one as a failsafe to ensure nothing accidentally touches it. + */ + doom-guardrail { + gpio-hog; + gpios = ; + output-low; + }; +}; + +&adc { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_adc0_default + &pinctrl_adc1_default + &pinctrl_adc2_default + &pinctrl_adc3_default + &pinctrl_adc4_default + &pinctrl_adc5_default + &pinctrl_adc6_default + &pinctrl_adc7_default + &pinctrl_adc8_default + &pinctrl_adc9_default>; +};