Message ID | 20210710055827.1535906-1-anup.patel@wdc.com |
---|---|
Headers | show |
Series | GPIO reset support | expand |
On Mon, Jul 12, 2021 at 7:46 AM Green Wan <green.wan@sifive.com> wrote: > > will give it a try and get back. Thanks. If possible please implement set() callback in fdt_gpio_sifive.c. I missed adding set() callback because it worked fine without it on QEMU sifive_u machine but on real HW we might need set() callback. Regards, Anup > > On Sat, Jul 10, 2021 at 1:58 PM Anup Patel <anup.patel@wdc.com> wrote: >> >> This series adds generic GPIO reset (poweroff/restart) support which is >> required by SiFive platforms. >> >> These patches can be found in gpio_reset_v3 branch at: >> https://github.com/avpatel/opensbi.git >> >> Changes since v3: >> - Simplified GPIO reset driver in PATCH5 >> - Dropped PATCH6 >> >> Changes since v2: >> - Re-designed the GPIO framework to probe GPIO drivers on demand >> and avoid touching generic OpenSBI library. >> >> Anup Patel (3): >> lib: utils/fdt: Add fdt_parse_phandle_with_args() API >> lib: utils/gpio: Add generic GPIO configuration library >> lib: utils/gpio: Add simple FDT based GPIO framework >> >> Green Wan (2): >> lib: utils/gpio: Add minimal SiFive GPIO driver >> lib: utils/reset: Add generic GPIO reset driver >> >> include/sbi_utils/fdt/fdt_helper.h | 11 +++ >> include/sbi_utils/gpio/fdt_gpio.h | 34 +++++++ >> include/sbi_utils/gpio/gpio.h | 99 ++++++++++++++++++++ >> lib/utils/fdt/fdt_helper.c | 47 ++++++++++ >> lib/utils/gpio/fdt_gpio.c | 135 +++++++++++++++++++++++++++ >> lib/utils/gpio/fdt_gpio_sifive.c | 90 ++++++++++++++++++ >> lib/utils/gpio/gpio.c | 116 ++++++++++++++++++++++++ >> lib/utils/gpio/objects.mk | 12 +++ >> lib/utils/reset/fdt_reset.c | 2 + >> lib/utils/reset/fdt_reset_gpio.c | 141 +++++++++++++++++++++++++++++ >> lib/utils/reset/objects.mk | 1 + >> 11 files changed, 688 insertions(+) >> create mode 100644 include/sbi_utils/gpio/fdt_gpio.h >> create mode 100644 include/sbi_utils/gpio/gpio.h >> create mode 100644 lib/utils/gpio/fdt_gpio.c >> create mode 100644 lib/utils/gpio/fdt_gpio_sifive.c >> create mode 100644 lib/utils/gpio/gpio.c >> create mode 100644 lib/utils/gpio/objects.mk >> create mode 100644 lib/utils/reset/fdt_reset_gpio.c >> >> -- >> 2.25.1 >>