diff options
| author | Emmanuel Vadot <manu@FreeBSD.org> | 2021-05-16 12:47:16 +0000 |
|---|---|---|
| committer | Emmanuel Vadot <manu@FreeBSD.org> | 2021-07-22 17:17:39 +0000 |
| commit | 07df8f4f9cbaef43334423d9712740ea2073bb3b (patch) | |
| tree | 43ba21412cb7eab0fb4d7b8b4b40453e8621b6a5 | |
| parent | 8c4e42f5befdaaab0de84ff2493e65f1263365e7 (diff) | |
arm64: rockchip: gpio: Give friendlier name to gpio
By default name the gpio P<bank><bankpin>
This make it easier to find the gpio when reading schematics or DTS.
Sponsored by: Diablotin Systems
Differential Revision: https://reviews.freebsd.org/D30287
(cherry picked from commit bc1bb80564eef66cef1a7b9791af87ae019aa71d)
| -rw-r--r-- | sys/arm64/rockchip/rk_gpio.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/arm64/rockchip/rk_gpio.c b/sys/arm64/rockchip/rk_gpio.c index aa44a6bc9e09..d3623b2302ec 100644 --- a/sys/arm64/rockchip/rk_gpio.c +++ b/sys/arm64/rockchip/rk_gpio.c @@ -209,14 +209,17 @@ static int rk_gpio_pin_getname(device_t dev, uint32_t pin, char *name) { struct rk_gpio_softc *sc; + uint32_t bank; sc = device_get_softc(dev); if (pin >= 32) return (EINVAL); + bank = pin / 8; + pin = pin - (bank * 8); RK_GPIO_LOCK(sc); - snprintf(name, GPIOMAXNAME, "gpio%d", pin); + snprintf(name, GPIOMAXNAME, "P%c%d", bank + 'A', pin); RK_GPIO_UNLOCK(sc); return (0); |