Change in coreboot[master]: mb/system76/lemp9: gpio: add a pull-down for MODEM_CLKREQ / CNVI_CLKREQ

[Michael Niewöhner (Code Review)]

Michael Niewöhner has submitted this change. ( https://review.coreboot.org/c/coreboot/+/43651 )

Change subject: mb/system76/lemp9: gpio: add a pull-down for MODEM_CLKREQ / CNVI_CLKREQ
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mb/system76/lemp9: gpio: add a pull-down for MODEM_CLKREQ / CNVI_CLKREQ

MODEM_CLKREQ / CNVI_CLKREQ has no external pull-down resistor.
When there is no M.2 card populated, the pin is floating. Thus
enable an internal 20K PD.

Signed-off-by: Michael Niewöhner 
Change-Id: I37e0a9d7e9e0a8c8a7ac198abfd3995b8b0f9e3e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43651
Tested-by: build bot (Jenkins) 
Reviewed-by:  Felix Singer 
---
M src/mainboard/system76/lemp9/gpio.h
1 file changed, 1 insertion(+), 1 deletion(-)

Approvals:
  build bot (Jenkins): Verified
   Felix Singer: Looks good to me, approved

diff --git a/src/mainboard/system76/lemp9/gpio.h b/src/mainboard/system76/lemp9/gpio.h
index 645cdfd..9c99f13 100644
--- a/src/mainboard/system76/lemp9/gpio.h
+++ b/src/mainboard/system76/lemp9/gpio.h
@@ -467,7 +467,7 @@
    	// CNV_RF_RESET# / CNVI_RST#
    	PAD_CFG_NF(GPP_H1, NONE, DEEP, NF3),
    	// MODEM_CLKREQ / CNVI_CLKREQ
-		PAD_CFG_NF(GPP_H2, NONE, DEEP, NF3),
+		PAD_CFG_NF(GPP_H2, DN_20K, DEEP, NF3),
    	// NC
    	PAD_NC(GPP_H3, UP_20K),