Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758459AbbGHM3j (ORCPT ); Wed, 8 Jul 2015 08:29:39 -0400 Received: from mail-pd0-f181.google.com ([209.85.192.181]:33184 "EHLO mail-pd0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758383AbbGHM3g (ORCPT ); Wed, 8 Jul 2015 08:29:36 -0400 From: Vaibhav Hiremath To: linux-arm-kernel@lists.infradead.org Cc: Vaibhav Hiremath , Chao Xie , Samuel Ortiz , Lee Jones , linux-kernel@vger.kernel.org (open list) Subject: [PATCH-v6 2/6] mfd: 88pm800: Add device tree support Date: Wed, 8 Jul 2015 17:56:28 +0530 Message-Id: <1436358392-15449-3-git-send-email-vaibhav.hiremath@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1436358392-15449-1-git-send-email-vaibhav.hiremath@linaro.org> References: <1436358392-15449-1-git-send-email-vaibhav.hiremath@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3009 Lines: 100 Add DT support to the 88pm800 driver, along with compatible field for it's sub-devices (rtc, onkey and regulator) Signed-off-by: Chao Xie Signed-off-by: Vaibhav Hiremath Reviewed-by: Krzysztof Kozlowski Acked-by: Lee Jones --- drivers/mfd/88pm800.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c index 0c5470e..95c418c 100644 --- a/drivers/mfd/88pm800.c +++ b/drivers/mfd/88pm800.c @@ -27,6 +27,7 @@ #include #include #include +#include /* Interrupt Registers */ #define PM800_INT_STATUS1 (0x05) @@ -121,6 +122,11 @@ static const struct i2c_device_id pm80x_id_table[] = { }; MODULE_DEVICE_TABLE(i2c, pm80x_id_table); +static const struct of_device_id pm80x_of_match_table[] = { + { .compatible = "marvell,88pm800", }, + {}, +}; + static struct resource rtc_resources[] = { { .name = "88pm80x-rtc", @@ -133,6 +139,7 @@ static struct resource rtc_resources[] = { static struct mfd_cell rtc_devs[] = { { .name = "88pm80x-rtc", + .of_compatible = "marvell,88pm80x-rtc", .num_resources = ARRAY_SIZE(rtc_resources), .resources = &rtc_resources[0], .id = -1, @@ -151,6 +158,7 @@ static struct resource onkey_resources[] = { static const struct mfd_cell onkey_devs[] = { { .name = "88pm80x-onkey", + .of_compatible = "marvell,88pm80x-onkey", .num_resources = 1, .resources = &onkey_resources[0], .id = -1, @@ -160,6 +168,7 @@ static const struct mfd_cell onkey_devs[] = { static const struct mfd_cell regulator_devs[] = { { .name = "88pm80x-regulator", + .of_compatible = "marvell,88pm80x-regulator", .id = -1, }, }; @@ -520,8 +529,24 @@ static int pm800_probe(struct i2c_client *client, int ret = 0; struct pm80x_chip *chip; struct pm80x_platform_data *pdata = dev_get_platdata(&client->dev); + struct device_node *np = client->dev.of_node; struct pm80x_subchip *subchip; + if (!pdata && !np) { + dev_err(&client->dev, + "pm80x requires platform data or of_node\n"); + return -EINVAL; + } + + if (!pdata) { + pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) + return -ENOMEM; + + /* Ensure we only alloc platform data once */ + client->dev.platform_data = pdata; + } + ret = pm80x_init(client); if (ret) { dev_err(&client->dev, "pm800_init fail\n"); @@ -587,6 +612,7 @@ static struct i2c_driver pm800_driver = { .name = "88PM800", .owner = THIS_MODULE, .pm = &pm80x_pm_ops, + .of_match_table = pm80x_of_match_table, }, .probe = pm800_probe, .remove = pm800_remove, -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/