From 223a309c3c0dc5e548b1cd948d1dad17a31c366f Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Sun, 21 Sep 2014 21:18:30 +0000 Subject: [PATCH] bcm53xx: add support for GPIOs MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Rafał Miłecki SVN-Revision: 42638 --- target/linux/bcm53xx/config-3.14 | 6 +++ ...-BCM5301X-select-GPIOLIB-as-optional.patch | 29 +++++++++++++++ ...ipCommon-GPIO-IRQ-on-BCM47XX-arch-on.patch | 37 +++++++++++++++++++ 3 files changed, 72 insertions(+) create mode 100644 target/linux/bcm53xx/patches-3.14/045-ARM-BCM5301X-select-GPIOLIB-as-optional.patch create mode 100644 target/linux/bcm53xx/patches-3.14/122-bcma-gpio-use-ChipCommon-GPIO-IRQ-on-BCM47XX-arch-on.patch diff --git a/target/linux/bcm53xx/config-3.14 b/target/linux/bcm53xx/config-3.14 index c6f154465a..f8610793bc 100644 --- a/target/linux/bcm53xx/config-3.14 +++ b/target/linux/bcm53xx/config-3.14 @@ -21,6 +21,7 @@ CONFIG_ARCH_USE_BUILTIN_BSWAP=y CONFIG_ARCH_USE_CMPXCHG_LOCKREF=y CONFIG_ARCH_WANT_GENERAL_HUGETLB=y CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y +CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y CONFIG_ARM=y CONFIG_ARM_APPENDED_DTB=y # CONFIG_ARM_ATAG_DTB_COMPAT is not set @@ -47,6 +48,7 @@ CONFIG_BCMA=y CONFIG_BCMA_BLOCKIO=y CONFIG_BCMA_DEBUG=y CONFIG_BCMA_DRIVER_GMAC_CMN=y +CONFIG_BCMA_DRIVER_GPIO=y CONFIG_BCMA_HOST_PCI=y CONFIG_BCMA_HOST_PCI_POSSIBLE=y CONFIG_BCMA_HOST_SOC=y @@ -105,6 +107,9 @@ CONFIG_GENERIC_SCHED_CLOCK=y CONFIG_GENERIC_SMP_IDLE_THREAD=y CONFIG_GENERIC_STRNCPY_FROM_USER=y CONFIG_GENERIC_STRNLEN_USER=y +CONFIG_GPIOLIB=y +CONFIG_GPIO_DEVRES=y +CONFIG_GPIO_SYSFS=y CONFIG_HARDIRQS_SW_RESEND=y CONFIG_HAS_DMA=y CONFIG_HAS_IOMEM=y @@ -180,6 +185,7 @@ CONFIG_OF=y CONFIG_OF_ADDRESS=y CONFIG_OF_EARLY_FLATTREE=y CONFIG_OF_FLATTREE=y +CONFIG_OF_GPIO=y CONFIG_OF_IRQ=y CONFIG_OF_MDIO=y CONFIG_OF_MTD=y diff --git a/target/linux/bcm53xx/patches-3.14/045-ARM-BCM5301X-select-GPIOLIB-as-optional.patch b/target/linux/bcm53xx/patches-3.14/045-ARM-BCM5301X-select-GPIOLIB-as-optional.patch new file mode 100644 index 0000000000..887650e4f7 --- /dev/null +++ b/target/linux/bcm53xx/patches-3.14/045-ARM-BCM5301X-select-GPIOLIB-as-optional.patch @@ -0,0 +1,29 @@ +From e7b1065712e769eb4de7b9d4aa222a4531c2b8fd Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Sat, 20 Sep 2014 18:21:19 +0200 +Subject: [PATCH V2] ARM: BCM5301X: select GPIOLIB as optional +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +All routers (or 99% of them) based on BCM5301X use GPIOs to control LEDs +and buttons. + +Signed-off-by: Rafał Miłecki +--- +V2: Don't select GPIOLIB. We may still think about making it default at + some point, but we dont' really require it to boot successfully. +--- + arch/arm/mach-bcm/Kconfig | 1 + + 1 file changed, 1 insertion(+) + +--- a/arch/arm/mach-bcm/Kconfig ++++ b/arch/arm/mach-bcm/Kconfig +@@ -35,6 +35,7 @@ config ARCH_BCM_MOBILE + config ARCH_BCM_5301X + bool "Broadcom BCM470X / BCM5301X ARM SoC" if ARCH_MULTI_V7 + depends on MMU ++ select ARCH_WANT_OPTIONAL_GPIOLIB + select ARM_GIC + select CACHE_L2X0 + select HAVE_ARM_SCU if SMP diff --git a/target/linux/bcm53xx/patches-3.14/122-bcma-gpio-use-ChipCommon-GPIO-IRQ-on-BCM47XX-arch-on.patch b/target/linux/bcm53xx/patches-3.14/122-bcma-gpio-use-ChipCommon-GPIO-IRQ-on-BCM47XX-arch-on.patch new file mode 100644 index 0000000000..4ea4b5ae64 --- /dev/null +++ b/target/linux/bcm53xx/patches-3.14/122-bcma-gpio-use-ChipCommon-GPIO-IRQ-on-BCM47XX-arch-on.patch @@ -0,0 +1,37 @@ +From dfe45880e4ac50ebaa57e5f8a52b69e7e74cb7ca Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Sun, 21 Sep 2014 20:40:32 +0200 +Subject: [PATCH] bcma: gpio: use ChipCommon GPIO IRQ on BCM47XX arch only +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +GPIOs can be also used on bcm53xx, however this arch requires different +implementation of IRQ support. It uses different IRQ number (117) and +different masks & acking. + +Signed-off-by: Rafał Miłecki +--- + drivers/bcma/driver_gpio.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +--- a/drivers/bcma/driver_gpio.c ++++ b/drivers/bcma/driver_gpio.c +@@ -76,7 +76,7 @@ static void bcma_gpio_free(struct gpio_c + bcma_chipco_gpio_pullup(cc, 1 << gpio, 0); + } + +-#if IS_BUILTIN(CONFIG_BCMA_HOST_SOC) ++#if IS_BUILTIN(CONFIG_BCM47XX) + static int bcma_gpio_to_irq(struct gpio_chip *chip, unsigned gpio) + { + struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip); +@@ -215,7 +215,7 @@ int bcma_gpio_init(struct bcma_drv_cc *c + chip->set = bcma_gpio_set_value; + chip->direction_input = bcma_gpio_direction_input; + chip->direction_output = bcma_gpio_direction_output; +-#if IS_BUILTIN(CONFIG_BCMA_HOST_SOC) ++#if IS_BUILTIN(CONFIG_BCM47XX) + chip->to_irq = bcma_gpio_to_irq; + #endif + switch (cc->core->bus->chipinfo.id) { -- 2.25.1