linux-kernel - [PATCH v1] ARM: dts: aspeed: Update for Facebook Yosemite V2 BMC

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Message-ID: <20220822070204.GA6110@hcl-ThinkPad-T495>
Date:   Mon, 22 Aug 2022 12:32:04 +0530
From:   Karthikeyan Pasupathi <pkarthikeyan1509@...il.com>
To:     Rob Herring <robh+dt@...nel.org>, Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...id.au>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        openbmc@...ts.ozlabs.org
Subject: [PATCH v1] ARM: dts: aspeed: Update for Facebook Yosemite V2 BMC

This patch includes the following updates for Yosemite V2
BMC.

1) Updated GPIO configuration for power control.
2) Added IPMB-13 channel for Debug Card communication.
3) Removed EEPROM driver IPMB-12 channel and keeping it as
   "status ok".

Signed-off-by: Karthikeyan Pasupathi <pkarthikeyan1509@...il.com>
---
 .../dts/aspeed-bmc-facebook-yosemitev2.dts    | 49 +++++++++++++++++--
 1 file changed, 44 insertions(+), 5 deletions(-)

diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-yosemitev2.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-yosemitev2.dts
index 8864e9c312a8..4d2ff7eb6740 100644
--- a/arch/arm/boot/dts/aspeed-bmc-facebook-yosemitev2.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-facebook-yosemitev2.dts
@@ -119,6 +119,40 @@
 			&pinctrl_adc15_default>;
 };
 
+&gpio {
+	status = "okay";
+	gpio-line-names =
+	/*A0-A7*/   "","","","","","","","",
+	/*B0-B7*/   "","","","","","","","",
+	/*C0-C7*/   "","","","","","","","",
+	/*D0-D7*/   "POWER_BUTTON","POWER_OUT1","","POWER_OUT2","","POWER_OUT3","","POWER_OUT4",
+	/*E0-E7*/   "DEBUG_UART_SEL0","DEBUG_UART_SEL1","DEBUG_UART_SEL2","DEBUG_UART_RX_SEL_N","","","","",
+	/*F0-F7*/   "","","","","","","","",
+	/*G0-G7*/   "LED_POST_CODE_0","LED_POST_CODE_1","LED_POST_CODE_2","LED_POST_CODE_3","","","","",
+	/*H0-H7*/   "","","","","","","","",
+	/*I0-I7*/   "SLOT1_POWER_OK","SLOT2_POWER_OK","SLOT3_POWER_OK","SLOT4_POWER_OK","","","","",
+	/*J0-J7*/   "","","","","","","","",
+	/*K0-K7*/   "","","","","","","","",
+	/*L0-L7*/   "","","","","","","","",
+	/*M0-M7*/   "","","","","","","","",
+	/*N0-N7*/   "","","I2C_SLOT1","I2C_SLOT2","I2C_SLOT3","I2C_SLOT4","","",
+	/*O0-O7*/   "","","","SELECTOR_BUTTON","SLOT1_POWER","SLOT2_POWER","SLOT3_POWER","SLOT4_POWER",
+	/*P0-P7*/   "","","","","LED_POST_CODE_4","LED_POST_CODE_5","LED_POST_CODE_6","LED_POST_CODE_7",
+	/*Q0-Q7*/   "","","","","","","","",
+	/*R0-R7*/   "","","","GPIO_DBG_CARD_PRSNT","","","","",
+	/*S0-S7*/   "RESET_OUT1","RESET_OUT2","RESET_OUT3","RESET_OUT4","","","","",
+	/*T0-T7*/   "","","","","","","","",
+	/*U0-U7*/   "","","","","","","","",
+	/*V0-V7*/   "","","","","","","","",
+	/*W0-W7*/   "","","","","","","","",
+	/*X0-X7*/   "","","","","","","","",
+	/*Y0-Y7*/   "","","","","","","","",
+	/*Z0-Z7*/   "POST_COMPLETE","POST_COMPLETE2","POST_COMPLETE3","POST_COMPLETE4","","","","",
+	/*AA0-AA7*/ "","","","","HAND_SW1","HAND_SW2","HAND_SW3","HAND_SW4",
+	/*AB0-AB7*/ "RESET_BUTTON","","","","","","","",
+		/*AC0-AC7*/ "","","","","","","","";
+};
+
 &i2c1 {
 	//Host1 IPMB bus
 	status = "okay";
@@ -207,11 +241,16 @@
 
 &i2c12 {
 	status = "okay";
-	//MEZZ_FRU
-	eeprom@51 {
-		compatible = "atmel,24c64";
-		reg = <0x51>;
-		pagesize = <32>;
+};
+
+&i2c13 {
+	status = "okay";
+	// Debug Card
+	multi-master;
+	ipmb13@10 {
+		compatible = "ipmb-dev";
+		reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
+		i2c-protocol;
 	};
 };
 
-- 
2.17.1