From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757039AbeDZRfZ (ORCPT ); Thu, 26 Apr 2018 13:35:25 -0400 Received: from mo4-p02-ob.smtp.rzone.de ([81.169.146.168]:24136 "EHLO mo4-p02-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754574AbeDZRfQ (ORCPT ); Thu, 26 Apr 2018 13:35:16 -0400 X-RZG-AUTH: :JGIXVUS7cutRB/49FwqZ7WcJeFKiMhflhwDubTJ9o12DNO4Ij0Jfyqs9nA== X-RZG-CLASS-ID: mo00 From: "H. Nikolaus Schaller" To: galak@codeaurora.org, andy.shevchenko@gmail.com, Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Linus Walleij , Alexandre Courbot Cc: devicetree@vger.kernel.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, letux-kernel@openphoenux.org, kernel@pyra-handheld.com, "H. Nikolaus Schaller" Subject: [PATCH v4 4/7] gpio: pca953x: define masks for addressing common and extended registers Date: Thu, 26 Apr 2018 19:34:59 +0200 Message-Id: <602635f43a68cac5cfb973528320f2304e10b178.1524764101.git.hns@goldelico.com> X-Mailer: git-send-email 2.12.2 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org These mask bits are to be used to map the extended register addreseses (which are defined for an unsupported 8-bit pcal chip) to 16 and 24 bit chips (pcal6524). Signed-off-by: H. Nikolaus Schaller --- drivers/gpio/gpio-pca953x.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index 2b667166e855..fc863faa3ce4 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -56,6 +56,9 @@ #define PCAL6524_DEBOUNCE 0x2d #define PCA_GPIO_MASK 0x00FF +#define PCAL_GPIO_MASK GENMASK(4, 0) +#define PCAL_PINCTRL_MASK (~PCAL_GPIO_MASK) + #define PCA_INT 0x0100 #define PCA_PCAL 0x0200 #define PCA_LATCH_INT (PCA_PCAL | PCA_INT) -- 2.12.2