diff options
| author | Naga Radhesh <naga.radheshy@stericsson.com> | 2012-02-22 15:18:51 +0530 |
|---|---|---|
| committer | Philippe Langlais <philippe.langlais@stericsson.com> | 2012-05-22 11:02:54 +0200 |
| commit | 22042f07e714d64427fe1e0c4dd7b37f2eaf229d (patch) | |
| tree | 60d3b5816364eadf950e3b9d42596a87d770e449 | |
| parent | b4950ad9966ed00df6153956b831874708ea3122 (diff) | |
gpio-ab8500:Add support for AB8505 Chip
Number of gpio pins has been changed for AB8505,
so change gpio configurations according to AB8505.
ST-Ericsson ID: 366316
ST-Ericsson Linux next: NA
ST-Ericsson FOSS-OUT ID: Trivial
Change-Id:Ifcd5068e4b12de262942ab647c007cf909cbe243
Signed-off-by: Naga Radhesh <naga.radheshy@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/45797
Reviewed-by: QATOOLS
Reviewed-by: QABUILD
Reviewed-by: Bibek BASU <bibek.basu@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Reviewed-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
| -rw-r--r-- | drivers/gpio/gpio-ab8500.c | 41 |
1 files changed, 35 insertions, 6 deletions
diff --git a/drivers/gpio/gpio-ab8500.c b/drivers/gpio/gpio-ab8500.c index b78cf2f9530..86163681c24 100644 --- a/drivers/gpio/gpio-ab8500.c +++ b/drivers/gpio/gpio-ab8500.c @@ -77,6 +77,7 @@ #define AB9540_ALTFUN_REG_INDEX 7 #define AB8500_NUM_GPIO 42 #define AB9540_NUM_GPIO 54 +#define AB8505_NUM_GPIO 53 #define AB8500_NUM_VIR_GPIO_IRQ 16 enum ab8500_gpio_action { @@ -127,6 +128,24 @@ static struct ab8500_gpio_irq_cluster ab9540_irq_clusters[] = { {.start = 49, .end = 53}, }; +/* + * For AB8505 Only some GPIOs are interrupt capable, and they are + * organized in discontiguous clusters: + * + * GPIO10 to GPIO11 + * GPIO13 + * GPIO40 and GPIO41 + * GPIO50 + * GPIO52 to GPIO53 + */ +static struct ab8500_gpio_irq_cluster ab8505_irq_clusters[] = { + {.start = 9, .end = 10}, /* GPIO numbers start from 1 */ + {.start = 12, .end = 12}, + {.start = 39, .end = 40}, + {.start = 49, .end = 49}, + {.start = 51, .end = 52}, +}; + /** * to_ab8500_gpio() - get the pointer to ab8500_gpio * @chip: Member of the structure ab8500_gpio @@ -435,6 +454,7 @@ static void ab8500_gpio_irq_remove(struct ab8500_gpio *ab8500_gpio) static int __devinit ab8500_gpio_probe(struct platform_device *pdev) { + struct ab8500 *parent = dev_get_drvdata(pdev->dev.parent); struct ab8500_platform_data *ab8500_pdata = dev_get_platdata(pdev->dev.parent); struct ab8500_gpio_platform_data *pdata; @@ -471,12 +491,21 @@ static int __devinit ab8500_gpio_probe(struct platform_device *pdev) last_gpio_sel_reg = AB9540_GPIO_SEL7_REG; altfun_reg_index = AB9540_ALTFUN_REG_INDEX; } else { - ab8500_gpio->chip.ngpio = AB8500_NUM_GPIO; - ab8500_gpio->irq_cluster = ab8500_irq_clusters; - ab8500_gpio->irq_cluster_size = - ARRAY_SIZE(ab8500_irq_clusters); - last_gpio_sel_reg = AB8500_GPIO_SEL6_REG; - altfun_reg_index = AB8500_ALTFUN_REG_INDEX; + if (is_ab8505(parent)) { + ab8500_gpio->chip.ngpio = AB8505_NUM_GPIO; + ab8500_gpio->irq_cluster = ab8505_irq_clusters; + ab8500_gpio->irq_cluster_size = + ARRAY_SIZE(ab8505_irq_clusters); + last_gpio_sel_reg = AB9540_GPIO_SEL7_REG; + altfun_reg_index = AB9540_ALTFUN_REG_INDEX; + } else { + ab8500_gpio->chip.ngpio = AB8500_NUM_GPIO; + ab8500_gpio->irq_cluster = ab8500_irq_clusters; + ab8500_gpio->irq_cluster_size = + ARRAY_SIZE(ab8500_irq_clusters); + last_gpio_sel_reg = AB8500_GPIO_SEL6_REG; + altfun_reg_index = AB8500_ALTFUN_REG_INDEX; + } } /* initialize the lock */ |