From: Thierry Reding <thierry.reding@gmail.com> To: Thierry Reding <thierry.reding@gmail.com> Cc: Jon Hunter <jonathanh@nvidia.com>, Ashish Singhal <ashishsingha@nvidia.com>, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH] arm64: tegra: Add ID EEPROMs on Jetson AGX Xavier Date: Mon, 3 Aug 2020 17:44:30 +0200 [thread overview] Message-ID: <20200803154430.734683-1-thierry.reding@gmail.com> (raw) From: Thierry Reding <treding@nvidia.com> The P2888 processor module contains an EEPROM that provides means of identifying the module. The P2822 carrier board contains the same EEPROM with information identifying the carrier board. Both of them ar accessed via the GEN_I2C1 bus. Signed-off-by: Thierry Reding <treding@nvidia.com> --- arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 15 +++++++++++++++ .../arm64/boot/dts/nvidia/tegra194-p2972-0000.dts | 13 +++++++++++++ 2 files changed, 28 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi index 4c005b811233..0ea0bd83cb8e 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi @@ -57,6 +57,21 @@ serial@3110000 { status = "okay"; }; + i2c@3160000 { + status = "okay"; + + eeprom@50 { + compatible = "atmel,24c02"; + reg = <0x50>; + + vcc-supply = <&vdd_1v8ls>; + address-width = <8>; + pagesize = <8>; + size = <256>; + read-only; + }; + }; + /* SDMMC1 (SD/MMC) */ mmc@3400000 { cd-gpios = <&gpio TEGRA194_MAIN_GPIO(A, 0) GPIO_ACTIVE_LOW>; diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts index 90b6ea5467fa..4d8a0e10250f 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts @@ -23,6 +23,19 @@ interrupt-controller@2a40000 { }; }; + i2c@3160000 { + eeprom@56 { + compatible = "atmel,24c02"; + reg = <0x56>; + + vcc-supply = <&vdd_1v8ls>; + address-width = <8>; + pagesize = <8>; + size = <256>; + read-only; + }; + }; + ddc: i2c@31c0000 { status = "okay"; }; -- 2.27.0
WARNING: multiple messages have this Message-ID (diff)
From: Thierry Reding <thierry.reding@gmail.com> To: Thierry Reding <thierry.reding@gmail.com> Cc: linux-tegra@vger.kernel.org, Ashish Singhal <ashishsingha@nvidia.com>, linux-arm-kernel@lists.infradead.org, Jon Hunter <jonathanh@nvidia.com> Subject: [PATCH] arm64: tegra: Add ID EEPROMs on Jetson AGX Xavier Date: Mon, 3 Aug 2020 17:44:30 +0200 [thread overview] Message-ID: <20200803154430.734683-1-thierry.reding@gmail.com> (raw) From: Thierry Reding <treding@nvidia.com> The P2888 processor module contains an EEPROM that provides means of identifying the module. The P2822 carrier board contains the same EEPROM with information identifying the carrier board. Both of them ar accessed via the GEN_I2C1 bus. Signed-off-by: Thierry Reding <treding@nvidia.com> --- arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 15 +++++++++++++++ .../arm64/boot/dts/nvidia/tegra194-p2972-0000.dts | 13 +++++++++++++ 2 files changed, 28 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi index 4c005b811233..0ea0bd83cb8e 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi @@ -57,6 +57,21 @@ serial@3110000 { status = "okay"; }; + i2c@3160000 { + status = "okay"; + + eeprom@50 { + compatible = "atmel,24c02"; + reg = <0x50>; + + vcc-supply = <&vdd_1v8ls>; + address-width = <8>; + pagesize = <8>; + size = <256>; + read-only; + }; + }; + /* SDMMC1 (SD/MMC) */ mmc@3400000 { cd-gpios = <&gpio TEGRA194_MAIN_GPIO(A, 0) GPIO_ACTIVE_LOW>; diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts index 90b6ea5467fa..4d8a0e10250f 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts @@ -23,6 +23,19 @@ interrupt-controller@2a40000 { }; }; + i2c@3160000 { + eeprom@56 { + compatible = "atmel,24c02"; + reg = <0x56>; + + vcc-supply = <&vdd_1v8ls>; + address-width = <8>; + pagesize = <8>; + size = <256>; + read-only; + }; + }; + ddc: i2c@31c0000 { status = "okay"; }; -- 2.27.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2020-08-03 15:44 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-08-03 15:44 Thierry Reding [this message] 2020-08-03 15:44 ` [PATCH] arm64: tegra: Add ID EEPROMs on Jetson AGX Xavier Thierry Reding
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