On 06/01/2016 02:43 PM, Gerd Hoffmann wrote:
> From: Eric Anholt <eric@xxxxxxxxxx>
>
> This commit needs to be split up and cleaned up. Also we should add
> interrupt support before pushing upstream.
>
> Signed-off-by: Eric Anholt <eric@xxxxxxxxxx>
>
> Conflicts:
> arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts
> ---
> arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts | 16 ++
> drivers/gpio/Kconfig | 6 +
> drivers/gpio/Makefile | 1 +
> drivers/gpio/gpio-fxl6408.c | 244 +++++++++++++++++++++++
> 4 files changed, 267 insertions(+)
> create mode 100644 drivers/gpio/gpio-fxl6408.c
>
> diff --git a/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts b/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts
> index 099dd48d..4bc191e 100644
> --- a/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts
> +++ b/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts
> @@ -39,3 +39,19 @@
> &hdmi {
> hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
> };
> +
> +/* Connect the GPIO expander to I2C1 */
> +&i2c0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&i2c0_gpio44>;
> +
> + gpio_expander: gpio@43 {
> + gpio-controller;
> + #gpio-cells = <2>;
> + reg = <0x43>;
> + compatible = "fcs,fxl6408";
> + };
> +};
> +
> +bt {
> +};
> diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
> index 48da857..34056cd 100644
> --- a/drivers/gpio/Kconfig
> +++ b/drivers/gpio/Kconfig
> @@ -665,6 +665,12 @@ config GPIO_ADNP
> enough to represent all pins, but the driver will assume a
> register layout for 64 pins (8 registers).
>
> +config GPIO_FXL6408
> + tristate "FXL6408 I2C GPIO expander"
> + help
> + This option enables support for 8 GPIOs found
> + on the Fairchild Semiconductor FXL6408.
> +
> config GPIO_MAX7300
> tristate "Maxim MAX7300 GPIO expander"
> select GPIO_MAX730X
> diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
> index 991598e..59a25ef 100644
> --- a/drivers/gpio/Makefile
> +++ b/drivers/gpio/Makefile
> @@ -43,6 +43,7 @@ obj-$(CONFIG_GPIO_EM) += gpio-em.o
> obj-$(CONFIG_GPIO_EP93XX) += gpio-ep93xx.o
> obj-$(CONFIG_GPIO_ETRAXFS) += gpio-etraxfs.o
> obj-$(CONFIG_GPIO_F7188X) += gpio-f7188x.o
> +obj-$(CONFIG_GPIO_FXL6408) += gpio-fxl6408.o
> obj-$(CONFIG_GPIO_GE_FPGA) += gpio-ge.o
> obj-$(CONFIG_GPIO_GRGPIO) += gpio-grgpio.o
> obj-$(CONFIG_GPIO_ICH) += gpio-ich.o
> diff --git a/drivers/gpio/gpio-fxl6408.c b/drivers/gpio/gpio-fxl6408.c
> new file mode 100644
> index 0000000..02b2816
> --- /dev/null
> +++ b/drivers/gpio/gpio-fxl6408.c
> @@ -0,0 +1,244 @@
> +/*
> + * Copyright (C) 2016 Broadcom Limited.
BTW, since you need to resubmit that, the new Copyright should be
without the "Limited", just Broadcom, which covers all entities.
--
Florian
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