[PATCH] sandbox: cros-ec: Add tests for the cros-ec-pwm driver
Simon Glass
sjg at chromium.org
Wed May 19 17:32:20 CEST 2021
On Sun, 16 May 2021 at 09:42, Alper Nebi Yasak <alpernebiyasak at gmail.com> wrote:
>
> This patch lets sandbox-cros-ec emulate a limited pwm device which has
> multiple channels but can only set a duty cycle for each, as the actual
> EC doesn't expose any functionality or information other than that.
> Mapping non-generic EC_PWM_TYPE_* values to these emulated pwm channels
> is not implemented as nothing in U-Boot uses these types.
>
> This emulated pwm is then used to test the cros-ec-pwm driver in
> sandbox. Adding the cros-ec-pwm node to the sandbox test device-tree
> unfortunately makes it the first pwm device, so this also touches some
> other tests to make sure they still use the sandbox pwm.
>
> Signed-off-by: Alper Nebi Yasak <alpernebiyasak at gmail.com>
> ---
> This depends on a small fix [1] for cros-ec-pwm which otherwise fails to
> build.
>
> [1] https://patchwork.ozlabs.org/project/uboot/patch/20210514134840.19380-1-alpernebiyasak@gmail.com/
>
> arch/sandbox/dts/test.dts | 6 +++
> arch/sandbox/include/asm/test.h | 10 +++++
> configs/sandbox64_defconfig | 1 +
> configs/sandbox_defconfig | 1 +
> configs/sandbox_flattree_defconfig | 1 +
> configs/sandbox_noinst_defconfig | 1 +
> configs/sandbox_spl_defconfig | 1 +
> drivers/misc/cros_ec_sandbox.c | 47 +++++++++++++++++++++++
> test/cmd/pwm.c | 32 +++++++++++++++-
> test/dm/Makefile | 1 +
> test/dm/cros_ec_pwm.c | 60 ++++++++++++++++++++++++++++++
> test/dm/panel.c | 2 +-
> test/dm/pwm.c | 6 ++-
> 13 files changed, 164 insertions(+), 5 deletions(-)
> create mode 100644 test/dm/cros_ec_pwm.c
Reviewed-by: Simon Glass <sjg at chromium.org>
More information about the U-Boot
mailing list