[M] Change in coreboot[master]: mb/siemens/mc_ehl4: Switch RTC type and connection

[Mario Scheithauer (Code Review)]

Attention is currently required from: Werner Zeh.

Mario Scheithauer has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/74652 )

Change subject: mb/siemens/mc_ehl4: Switch RTC type and connection
......................................................................

mb/siemens/mc_ehl4: Switch RTC type and connection

This mainboard has the RTC RV-3028-C7 connected to the I2C1.

TEST:
- Console Log shows no errors for RV-3028-C7 during I2C1 init
- Finalize device for I2C 00:52 shows correct date and time

Change-Id: I1b4115d7844a0c218fdf92cb1af2da5a95eb4337
Signed-off-by: Mario Scheithauer 
---
M src/mainboard/siemens/mc_ehl/variants/mc_ehl4/Kconfig
M src/mainboard/siemens/mc_ehl/variants/mc_ehl4/devicetree.cb
2 files changed, 32 insertions(+), 19 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/52/74652/1

diff --git a/src/mainboard/siemens/mc_ehl/variants/mc_ehl4/Kconfig b/src/mainboard/siemens/mc_ehl/variants/mc_ehl4/Kconfig
index 21789d7..8a40072 100644
--- a/src/mainboard/siemens/mc_ehl/variants/mc_ehl4/Kconfig
+++ b/src/mainboard/siemens/mc_ehl/variants/mc_ehl4/Kconfig
@@ -2,7 +2,7 @@

config BOARD_SPECIFIC_OPTIONS
    def_bool y
-	select DRIVERS_I2C_RX6110SA
+	select DRIVERS_I2C_RV3028C7
    select DRIVER_INTEL_I210
    select INTEL_LPSS_UART_FOR_CONSOLE
    select NC_FPGA_POST_CODE
diff --git a/src/mainboard/siemens/mc_ehl/variants/mc_ehl4/devicetree.cb b/src/mainboard/siemens/mc_ehl/variants/mc_ehl4/devicetree.cb
index e61a6e8..75fa42d 100644
--- a/src/mainboard/siemens/mc_ehl/variants/mc_ehl4/devicetree.cb
+++ b/src/mainboard/siemens/mc_ehl/variants/mc_ehl4/devicetree.cb
@@ -148,7 +148,20 @@
    	device pci 14.0 on	end # USB3.1 xHCI

device pci 15.0 off	end # I2C0
-		device pci 15.1 on	end # I2C1
+		device pci 15.1 on	    # I2C1
+			# Enable external RTC chip
+			chip drivers/i2c/rv3028c7
+				register "bus_speed" = "I2C_SPEED_STANDARD"
+				register "set_user_date" = "1"
+				register "user_year" = "04"
+				register "user_month" = "07"
+				register "user_day" = "01"
+				register "user_weekday" = "4"
+				register "bckup_sw_mode" = "BACKUP_SW_LEVEL"
+				register "cap_charge" = "CHARGE_OFF"
+				device i2c 0x52 on end  # RTC RV3028-C7
+			end
+		end

device pci 16.0 hidden	end # Management Engine Interface 1

@@ -167,25 +180,9 @@
    	device pci 1e.0 on	end # UART0
    	device pci 1e.1 on	end # UART1

-
    	device pci 1f.0 on	end # eSPI Interface
    	device pci 1f.2 hidden	end # Power Management Controller
-		device pci 1f.4	on	    # SMBus
-			# Enable external RTC chip
-			chip drivers/i2c/rx6110sa
-				register "bus_speed" = "I2C_SPEED_STANDARD"
-				register "pmon_sampling" = "PMON_SAMPL_256_MS"
-				register "bks_on" = "0"
-				register "bks_off" = "1"
-				register "iocut_en" = "1"
-				register "set_user_date" = "1"
-				register "user_year" = "04"
-				register "user_month" = "07"
-				register "user_day" = "01"
-				register "user_weekday" = "4"
-				device i2c 0x32 on end  # RTC RX6110 SA
-			end
-		end
+		device pci 1f.4	on	end # SMBus
    	device pci 1f.5 on	end # PCH SPI (flash & TPM)
    end
 end