From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933140AbcE3JBi (ORCPT ); Mon, 30 May 2016 05:01:38 -0400 Received: from arroyo.ext.ti.com ([198.47.19.12]:44261 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932978AbcE3I4S (ORCPT ); Mon, 30 May 2016 04:56:18 -0400 From: Peter Ujfalusi To: , , , , , , CC: , , , , , , Subject: [PATCH v1 05/14] mfd: twl6040: Register child device for twl6040-pdmclk Date: Mon, 30 May 2016 11:55:13 +0300 Message-ID: <20160530085522.30398-6-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.8.3 In-Reply-To: <20160530085522.30398-1-peter.ujfalusi@ti.com> References: <20160530085522.30398-1-peter.ujfalusi@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The McPDM in OMAP4/5 is using the pdmclk from twl6040 as functional clock. The twl6040-pdmclk driver provides a clock which can be used to make sure that the pdmclk is active when the McPDM is in use. Signed-off-by: Peter Ujfalusi Acked-by: Rob Herring --- Documentation/devicetree/bindings/mfd/twl6040.txt | 1 + drivers/mfd/twl6040.c | 5 +++++ include/linux/mfd/twl6040.h | 2 +- 3 files changed, 7 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/mfd/twl6040.txt b/Documentation/devicetree/bindings/mfd/twl6040.txt index e6afdfa3543d..9a98ee7c323d 100644 --- a/Documentation/devicetree/bindings/mfd/twl6040.txt +++ b/Documentation/devicetree/bindings/mfd/twl6040.txt @@ -12,6 +12,7 @@ Required properties: - interrupt-parent: The parent interrupt controller - gpio-controller: - #gpio-cells = <1>: twl6040 provides GPO lines. +- #clock-cells = <0>; twl6040 is a provider of pdmclk which is used by McPDM - twl6040,audpwron-gpio: Power on GPIO line for the twl6040 - vio-supply: Regulator for the twl6040 VIO supply diff --git a/drivers/mfd/twl6040.c b/drivers/mfd/twl6040.c index 2596546553aa..873628a1bd79 100644 --- a/drivers/mfd/twl6040.c +++ b/drivers/mfd/twl6040.c @@ -782,6 +782,11 @@ static int twl6040_probe(struct i2c_client *client, cell->name = "twl6040-gpo"; children++; + /* PDM clock support */ + cell = &twl6040->cells[children]; + cell->name = "twl6040-pdmclk"; + children++; + /* The chip is powered down so mark regmap to cache only and dirty */ regcache_cache_only(twl6040->regmap, true); regcache_mark_dirty(twl6040->regmap); diff --git a/include/linux/mfd/twl6040.h b/include/linux/mfd/twl6040.h index 8015db974157..ef0bb07c3f3d 100644 --- a/include/linux/mfd/twl6040.h +++ b/include/linux/mfd/twl6040.h @@ -168,7 +168,7 @@ #define TWL6040_VIBROCDET 0x20 #define TWL6040_TSHUTDET 0x40 -#define TWL6040_CELLS 3 +#define TWL6040_CELLS 4 #define TWL6040_REV_ES1_0 0x00 #define TWL6040_REV_ES1_1 0x01 /* Rev ES1.1 and ES1.2 */ -- 2.8.3