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[2001:470:c:1200::2]) by smtp.googlemail.com with ESMTPSA id k9sm8416936ioa.13.2021.06.07.01.17.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Jun 2021 01:17:33 -0700 (PDT) From: Tianling Shen To: Rob Herring , Heiko Stuebner , Tianling Shen , Marty Jones , Pavel Machek Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] arm64: dts: rockchip: add EEPROM node for NanoPi R4S Date: Mon, 7 Jun 2021 16:17:27 +0800 Message-Id: <20210607081727.4723-1-cnsztl@gmail.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org NanoPi R4S has a EEPROM attached to the 2nd I2C bus (U92), which stores the MAC address. Signed-off-by: Tianling Shen --- arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts index cef4d18b599d..4a82f50a07c5 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts @@ -68,6 +68,15 @@ status = "disabled"; }; +&i2c2 { + eeprom@51 { + compatible = "microchip,24c02", "atmel,24c02"; + reg = <0x51>; + pagesize = <16>; + read-only; /* This holds our MAC */ + }; +}; + &i2c4 { status = "disabled"; }; -- 2.17.1