linux-kernel - [PATCH] mfd: lpc_ich: Add support for Intel Gemini Lake SoC

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Date:   Mon, 10 Apr 2017 13:28:45 +0300
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Peter Tyser <ptyser@...-inc.com>, Lee Jones <lee.jones@...aro.org>
Cc:     Mika Westerberg <mika.westerberg@...ux.intel.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] mfd: lpc_ich: Add support for Intel Gemini Lake SoC

Like Intel Apollo Lake, Gemini Lake exposes the serial SPI flash device BAR
through hidden P2SB PCI device. We use the same mechanism than Apollo Lake
to read the BAR and pass it to the driver.

Signed-off-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
---
 drivers/mfd/lpc_ich.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/mfd/lpc_ich.c b/drivers/mfd/lpc_ich.c
index d98a5d974092..8dca1c5789ab 100644
--- a/drivers/mfd/lpc_ich.c
+++ b/drivers/mfd/lpc_ich.c
@@ -227,6 +227,7 @@ enum lpc_chipsets {
 	LPC_LEWISBURG,	/* Lewisburg */
 	LPC_9S,		/* 9 Series */
 	LPC_APL,	/* Apollo Lake SoC */
+	LPC_GLK,	/* Gemini Lake SoC */
 };
 
 static struct lpc_ich_info lpc_chipset_info[] = {
@@ -554,6 +555,10 @@ static struct lpc_ich_info lpc_chipset_info[] = {
 		.iTCO_version = 5,
 		.spi_type = INTEL_SPI_BXT,
 	},
+	[LPC_GLK] = {
+		.name = "Gemini Lake SoC",
+		.spi_type = INTEL_SPI_BXT,
+	},
 };
 
 /*
@@ -682,6 +687,7 @@ static const struct pci_device_id lpc_ich_ids[] = {
 	{ PCI_VDEVICE(INTEL, 0x2917), LPC_ICH9ME},
 	{ PCI_VDEVICE(INTEL, 0x2918), LPC_ICH9},
 	{ PCI_VDEVICE(INTEL, 0x2919), LPC_ICH9M},
+	{ PCI_VDEVICE(INTEL, 0x3197), LPC_GLK},
 	{ PCI_VDEVICE(INTEL, 0x3a14), LPC_ICH10DO},
 	{ PCI_VDEVICE(INTEL, 0x3a16), LPC_ICH10R},
 	{ PCI_VDEVICE(INTEL, 0x3a18), LPC_ICH10},
-- 
2.11.0