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From: "H. Nikolaus Schaller" <hns@goldelico.com> To: galak@codeaurora.org, andy.shevchenko@gmail.com, Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>, Mark Rutland <mark.rutland@arm.com>, Ian Campbell <ijc+devicetree@hellion.org.uk>, Linus Walleij <linus.walleij@linaro.org>, Alexandre Courbot <gnurou@gmail.com> 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" <hns@goldelico.com> Subject: [PATCH v4 2/7] gpio: pca953x: add more register definitions for pcal953x Date: Thu, 26 Apr 2018 19:34:57 +0200 [thread overview] Message-ID: <a4d21a45bc8258ca4adc982e312cec01a69cfb69.1524764101.git.hns@goldelico.com> (raw) In-Reply-To: <cover.1524764101.git.hns@goldelico.com> In-Reply-To: <cover.1524764101.git.hns@goldelico.com> PCAL chips ("L" seems to stand for "latched") have additional registers starting at address 0x40 to control the latches, interrupt mask, pull-up and pull down etc. Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com> --- drivers/gpio/gpio-pca953x.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index bd0593afdae3..fecd0e0aba93 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -41,9 +41,13 @@ #define PCA957X_MSK 0x06 #define PCA957X_INTS 0x07 +#define PCAL953X_OUT_STRENGTH 0x20 #define PCAL953X_IN_LATCH 0x22 #define PCAL953X_PULL_EN 0x23 #define PCAL953X_PULL_SEL 0x24 +#define PCAL953X_INT_MASK 0x25 +#define PCAL953X_INT_STAT 0x26 +#define PCAL953X_OUT_CONF 0x27 #define PCA_GPIO_MASK 0x00FF #define PCA_INT 0x0100 -- 2.12.2
next prev parent reply other threads:[~2018-04-26 17:35 UTC|newest] Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-04-26 17:34 [PATCH v4 0/7] pcal6524 extensions and fixes for pca953x driver H. Nikolaus Schaller 2018-04-26 17:34 ` [PATCH v4 1/7] gpio: pca953x: convert register constants to hex H. Nikolaus Schaller 2018-04-28 16:30 ` H. Nikolaus Schaller 2018-04-26 17:34 ` H. Nikolaus Schaller [this message] 2018-04-26 17:34 ` [PATCH v4 3/7] gpio: pca953x: add more register definitions for pcal6524 H. Nikolaus Schaller 2018-04-26 17:34 ` [PATCH v4 4/7] gpio: pca953x: define masks for addressing common and extended registers H. Nikolaus Schaller 2018-04-26 17:35 ` [PATCH v4 5/7] gpio: pca953x: fix address calculation for pcal6524 H. Nikolaus Schaller 2018-04-26 17:35 ` [PATCH v4 6/7] DTS: Bindings: pca953x add an optional vcc-supply property H. Nikolaus Schaller 2018-04-26 17:35 ` [PATCH v4 7/7] DTS: Bindings: pca953x: add example how to use interrupt-controller and gpio-controller H. Nikolaus Schaller
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