linux-kernel - [PATCH 6/7] mfd: mt6397: Add PMIC keys for MT6358

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Message-Id: <20210428164219.1115537-7-mkorpershoek@baylibre.com>
Date:   Wed, 28 Apr 2021 18:42:18 +0200
From:   Mattijs Korpershoek <mkorpershoek@...libre.com>
To:     Lee Jones <lee.jones@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     fparent@...libre.com,
        Mattijs Korpershoek <mkorpershoek@...libre.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 6/7] mfd: mt6397: Add PMIC keys for MT6358

This patch adds compatible strings and interrupts for pmic keys
which serves as child device of MFD.

MT6358 has two interrupts per key: one for press, another one for
release (_R)

Signed-off-by: Mattijs Korpershoek <mkorpershoek@...libre.com>
---
 drivers/mfd/mt6397-core.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c
index 8738b5524783..13a5e15e9dd6 100644
--- a/drivers/mfd/mt6397-core.c
+++ b/drivers/mfd/mt6397-core.c
@@ -45,6 +45,13 @@ static const struct resource mt6397_rtc_resources[] = {
 	DEFINE_RES_IRQ(MT6397_IRQ_RTC),
 };
 
+static const struct resource mt6358_keys_resources[] = {
+	DEFINE_RES_IRQ_NAMED(MT6358_IRQ_PWRKEY, "powerkey"),
+	DEFINE_RES_IRQ_NAMED(MT6358_IRQ_HOMEKEY, "homekey"),
+	DEFINE_RES_IRQ_NAMED(MT6358_IRQ_PWRKEY_R, "powerkey_r"),
+	DEFINE_RES_IRQ_NAMED(MT6358_IRQ_HOMEKEY_R, "homekey_r"),
+};
+
 static const struct resource mt6323_keys_resources[] = {
 	DEFINE_RES_IRQ_NAMED(MT6323_IRQ_STATUS_PWRKEY, "powerkey"),
 	DEFINE_RES_IRQ_NAMED(MT6323_IRQ_STATUS_FCHRKEY, "homekey"),
@@ -96,6 +103,11 @@ static const struct mfd_cell mt6358_devs[] = {
 	}, {
 		.name = "mt6358-sound",
 		.of_compatible = "mediatek,mt6358-sound"
+	}, {
+		.name = "mtk-pmic-keys",
+		.num_resources = ARRAY_SIZE(mt6358_keys_resources),
+		.resources = mt6358_keys_resources,
+		.of_compatible = "mediatek,mt6358-keys"
 	},
 };
 
-- 
2.27.0