linux-kernel - [PATCH 1/3] gpio: gpio-ich: add support for Intel Baytrail

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Message-Id: <1453566729-30220-2-git-send-email-antoine.tenart@free-electrons.com>
Date:	Sat, 23 Jan 2016 17:32:07 +0100
From:	Antoine Tenart <antoine.tenart@...e-electrons.com>
To:	ptyser@...-inc.com
Cc:	Antoine Tenart <antoine.tenart@...e-electrons.com>,
	lee.jones@...aro.org, linus.walleij@...aro.org, gnurou@...il.com,
	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/3] gpio: gpio-ich: add support for Intel Baytrail

This patch adds support for the Braytrail series, with the hardware
blink capability.

Signed-off-by: Antoine Tenart <antoine.tenart@...e-electrons.com>
---
 drivers/gpio/gpio-ich.c     | 12 ++++++++++++
 include/linux/mfd/lpc_ich.h |  1 +
 2 files changed, 13 insertions(+)

diff --git a/drivers/gpio/gpio-ich.c b/drivers/gpio/gpio-ich.c
index 4ba7ed502131..6f5fcae32855 100644
--- a/drivers/gpio/gpio-ich.c
+++ b/drivers/gpio/gpio-ich.c
@@ -384,6 +384,15 @@ static struct ichx_desc avoton_desc = {
 	.use_outlvl_cache = true,
 };
 
+/* Baytrail */
+static struct ichx_desc baytrail_desc = {
+	.ngpio = 96,
+	.regs = ichx_regs,
+	.reglen = ichx_reglen,
+	.have_blink = true,
+	.use_outlvl_cache = true,
+};
+
 static int ichx_gpio_request_regions(struct resource *res_base,
 						const char *name, u8 use_gpio)
 {
@@ -461,6 +470,9 @@ static int ichx_gpio_probe(struct platform_device *pdev)
 	case AVOTON_GPIO:
 		ichx_priv.desc = &avoton_desc;
 		break;
+	case ICH_BAYTRAIL_GPIO:
+		ichx_priv.desc = &baytrail_desc;
+		break;
 	default:
 		return -ENODEV;
 	}
diff --git a/include/linux/mfd/lpc_ich.h b/include/linux/mfd/lpc_ich.h
index 2b300b44f994..659a1cd875d8 100644
--- a/include/linux/mfd/lpc_ich.h
+++ b/include/linux/mfd/lpc_ich.h
@@ -34,6 +34,7 @@ enum {
 	ICH_V10CORP_GPIO,
 	ICH_V10CONS_GPIO,
 	AVOTON_GPIO,
+	ICH_BAYTRAIL_GPIO,
 };
 
 struct lpc_ich_info {
-- 
2.7.0