mfd: mt6397: Add PMIC keys support to MT6397 driver

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

Signed-off-by: Chen Zhong <chen.zhong@mediatek.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c
index 6546d7f..77b64bd 100644 (file)
--- a/drivers/mfd/mt6397-core.c
+++ b/drivers/mfd/mt6397-core.c
@@ -43,6 +43,16 @@ static const struct resource mt6397_rtc_resources[] = {
        },
 };
 
+static const struct resource mt6323_keys_resources[] = {
+       DEFINE_RES_IRQ(MT6323_IRQ_STATUS_PWRKEY),
+       DEFINE_RES_IRQ(MT6323_IRQ_STATUS_FCHRKEY),
+};
+
+static const struct resource mt6397_keys_resources[] = {
+       DEFINE_RES_IRQ(MT6397_IRQ_PWRKEY),
+       DEFINE_RES_IRQ(MT6397_IRQ_HOMEKEY),
+};
+
 static const struct mfd_cell mt6323_devs[] = {
        {
                .name = "mt6323-regulator",
@@ -50,6 +60,11 @@ static const struct mfd_cell mt6323_devs[] = {
        }, {
                .name = "mt6323-led",
                .of_compatible = "mediatek,mt6323-led"
+       }, {
+               .name = "mtk-pmic-keys",
+               .num_resources = ARRAY_SIZE(mt6323_keys_resources),
+               .resources = mt6323_keys_resources,
+               .of_compatible = "mediatek,mt6323-keys"
        },
 };
 
@@ -71,7 +86,12 @@ static const struct mfd_cell mt6397_devs[] = {
        }, {
                .name = "mt6397-pinctrl",
                .of_compatible = "mediatek,mt6397-pinctrl",
-       },
+       }, {
+               .name = "mtk-pmic-keys",
+               .num_resources = ARRAY_SIZE(mt6397_keys_resources),
+               .resources = mt6397_keys_resources,
+               .of_compatible = "mediatek,mt6397-keys"
+       }
 };
 
 static void mt6397_irq_lock(struct irq_data *data)