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From: Zev Weiss <zev@bewilderbeest.net>
To: openbmc@lists.ozlabs.org
Cc: devicetree@vger.kernel.org, linux-aspeed@lists.ozlabs.org,
	"Zev Weiss" <zev@bewilderbeest.net>,
	"Andrew Jeffery" <andrew@aj.id.au>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	linux-kernel@vger.kernel.org, "Rob Herring" <robh+dt@kernel.org>,
	"Cédric Le Goater" <clg@kaod.org>,
	"Jeremy Kerr" <jk@codeconstruct.com.au>,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH 6/6] ARM: dts: aspeed: Add e3c246d4i BIOS flash device
Date: Wed, 29 Sep 2021 04:54:08 -0700	[thread overview]
Message-ID: <20210929115409.21254-7-zev@bewilderbeest.net> (raw)
In-Reply-To: <20210929115409.21254-1-zev@bewilderbeest.net>

Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
---
 .../arm/boot/dts/aspeed-bmc-asrock-e3c246d4i.dts | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-bmc-asrock-e3c246d4i.dts b/arch/arm/boot/dts/aspeed-bmc-asrock-e3c246d4i.dts
index 9b4cf5ebe6d5..456f4de53869 100644
--- a/arch/arm/boot/dts/aspeed-bmc-asrock-e3c246d4i.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-asrock-e3c246d4i.dts
@@ -68,6 +68,22 @@ flash@0 {
 	};
 };
 
+&spi1 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_spi1_default>;
+	flash@0 {
+		/*
+		 * The BIOS SPI flash is shared with the host via an
+		 * external mux, and is not accessible by the BMC by
+		 * default (hence "reserved" rather than "okay").
+		 */
+		status = "reserved";
+		label = "bios";
+		m25p,fast-read;
+	};
+};
+
 &uart5 {
 	status = "okay";
 };
-- 
2.33.0


  parent reply	other threads:[~2021-09-29 11:59 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-29 11:54 [PATCH 0/6] Dynamic aspeed-smc flash chips via "reserved" DT status Zev Weiss
2021-09-29 11:54 ` [PATCH 1/6] of: base: Add function to check for status = "reserved" Zev Weiss
2021-09-29 15:49   ` Rob Herring
2021-09-29 11:54 ` [PATCH 2/6] mtd: core: clear out unregistered devices a bit more Zev Weiss
2021-09-29 11:54 ` [PATCH 3/6] mtd: spi-nor: aspeed: Refactor registration/unregistration Zev Weiss
2021-10-06  0:03   ` Dhananjay Phadke
2021-09-29 11:54 ` [PATCH 4/6] mtd: spi-nor: aspeed: Allow attaching & detaching chips at runtime Zev Weiss
2021-09-29 11:54 ` [PATCH 5/6] mtd: spi-nor: aspeed: Don't automatically attach reserved chips Zev Weiss
2021-09-29 11:54 ` Zev Weiss [this message]
2021-09-29 16:08 ` [PATCH 0/6] Dynamic aspeed-smc flash chips via "reserved" DT status Rob Herring
2021-09-29 22:00   ` Zev Weiss

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