linux-kernel - [PATCH v3] mfd: lpc_ich: Enable GPIO driver for DH89xxCC

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Date:   Mon,  7 Jun 2021 18:35:35 -0500
From:   Chris Blake <chrisrblake93@...il.com>
To:     ptyser@...-inc.com, lee.jones@...aro.org,
        linux-kernel@...r.kernel.org, chunkeey@...il.com,
        linux-gpio@...r.kernel.org
Cc:     Chris Blake <chrisrblake93@...il.com>
Subject: [PATCH v3] mfd: lpc_ich: Enable GPIO driver for DH89xxCC

Based on the Intel Datasheet for the DH89xxCC PCH, the GPIO driver
is the same as ICH_v5_GPIO, minus the fact the DH89xxCC also has
blink support. However, blink support isn't supported by the GPIO
driver so we should use ICH_v5_GPIO. Tested and working on a Meraki
MX100-HW.

Signed-off-by: Chris Blake <chrisrblake93@...il.com>
Co-developed-by: Christian Lamparter <chunkeey@...il.com>
---

Changelog:
V3: Update commit message format and update contributor message.
V2: Updated commit message, and added Christian Lamparter as a
contributor.
V1: Initial Patch

 drivers/mfd/lpc_ich.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mfd/lpc_ich.c b/drivers/mfd/lpc_ich.c
index 3bbb29a7e7a5..f10e53187f67 100644
--- a/drivers/mfd/lpc_ich.c
+++ b/drivers/mfd/lpc_ich.c
@@ -489,6 +489,7 @@ static struct lpc_ich_info lpc_chipset_info[] = {
 	[LPC_DH89XXCC] = {
 		.name = "DH89xxCC",
 		.iTCO_version = 2,
+		.gpio_version = ICH_V5_GPIO,
 	},
 	[LPC_PPT] = {
 		.name = "Panther Point",
-- 
2.25.1