linux-kernel - Re: [PATCH 4/6] arm64: dts: ti: k3-am68-sk-som: Enable wakeup

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Date:   Tue, 6 Jun 2023 06:24:01 +0000
From:   "Raja, M Sinthu" <sinthu.raja@...com>
To:     "Menon, Nishanth" <nm@...com>, Conor Dooley <conor+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Tero Kristo <kristo@...nel.org>,
        "Raghavendra, Vignesh" <vigneshr@...com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "Kumar, Udit" <u-kumar1@...com>, "Yadav, Nitin" <n-yadav@...com>,
        "Francis, Neha" <n-francis@...com>
Subject: Re: [PATCH 4/6] arm64: dts: ti: k3-am68-sk-som: Enable wakeup_i2c0
 and eeprom

Nishanth,




From: Menon, Nishanth
Sent: Friday, June 2, 2023 9:05 PM
To: Conor Dooley; Krzysztof Kozlowski; Rob Herring; Tero Kristo; Raghavendra, Vignesh
Cc: linux-kernel@...r.kernel.org; devicetree@...r.kernel.org; linux-arm-kernel@...ts.infradead.org; Menon, Nishanth; Kumar, Udit; Yadav, Nitin; Francis, Neha; Raja, M Sinthu
Subject: [PATCH 4/6] arm64: dts: ti: k3-am68-sk-som: Enable wakeup_i2c0 and eeprom
    
Enable wakeup_i2c. While at it, describe the board detection eeprom
present on the board.

Signed-off-by: Nishanth Menon <nm@...com>
---
new patch

 arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi b/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi
index e92431250729..e2c80fff7478 100644
--- a/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi
@@ -27,3 +27,25 @@ secure_ddr: optee@...00000 {
                 };
         };
 };
+
+&wkup_pmx2 {
+       wkup_i2c0_pins_default: wkup-i2c0-pins-default {
+               pinctrl-single,pins = <
+                       J721S2_WKUP_IOPAD(0x098, PIN_INPUT, 0) /* (H24) WKUP_I2C0_SCL */
+                       J721S2_WKUP_IOPAD(0x09c, PIN_INPUT, 0) /* (H27) WKUP_I2C0_SDA */
+               >;
+       };
+};
+
+&wkup_i2c0 {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&wkup_i2c0_pins_default>;
+       clock-frequency = <400000>;
+
+       eeprom@51 {
+               /* AT24C512C-MAHM-T */
+               compatible = "atmel,24c512";
+               reg = <0x51>;
+       };
+};

LGTM

Reviewed-by: Sinthu Raja <sinthu.raja@...com>

-- 
2.40.0