The instance of the GPU populated in Freescale i.MX95 does require release from reset by writing into a single GPUMIX block controller GPURESET register bit 0. Implement support for this reset register.
Signed-off-by: Marek Vasut <[email protected]> --- Cc: Boris Brezillon <[email protected]> Cc: Conor Dooley <[email protected]> Cc: David Airlie <[email protected]> Cc: Fabio Estevam <[email protected]> Cc: Krzysztof Kozlowski <[email protected]> Cc: Liviu Dudau <[email protected]> Cc: Maarten Lankhorst <[email protected]> Cc: Maxime Ripard <[email protected]> Cc: Pengutronix Kernel Team <[email protected]> Cc: Philipp Zabel <[email protected]> Cc: Rob Herring <[email protected]> Cc: Sascha Hauer <[email protected]> Cc: Sebastian Reichel <[email protected]> Cc: Shawn Guo <[email protected]> Cc: Simona Vetter <[email protected]> Cc: Steven Price <[email protected]> Cc: Thomas Zimmermann <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] --- drivers/reset/reset-simple.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/reset/reset-simple.c b/drivers/reset/reset-simple.c index 2760678398308..1415a941fd6eb 100644 --- a/drivers/reset/reset-simple.c +++ b/drivers/reset/reset-simple.c @@ -133,9 +133,17 @@ static const struct reset_simple_devdata reset_simple_active_low = { .status_active_low = true, }; +static const struct reset_simple_devdata reset_simple_fsl_imx95_gpu_blk_ctrl = { + .reg_offset = 0x8, + .active_low = true, + .status_active_low = true, +}; + static const struct of_device_id reset_simple_dt_ids[] = { { .compatible = "altr,stratix10-rst-mgr", .data = &reset_simple_socfpga }, + { .compatible = "fsl,imx95-gpu-blk-ctrl", + .data = &reset_simple_fsl_imx95_gpu_blk_ctrl }, { .compatible = "st,stm32-rcc", }, { .compatible = "allwinner,sun6i-a31-clock-reset", .data = &reset_simple_active_low }, -- 2.47.2
