On Thu, Feb 27, 2025 at 05:58:02PM +0100, Marek Vasut wrote:
> 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.
Reviewed-by: Frank Li <frank...@nxp.com>
>
> Signed-off-by: Marek Vasut <ma...@denx.de>
> ---
> Cc: Boris Brezillon <boris.brezil...@collabora.com>
> Cc: Conor Dooley <conor...@kernel.org>
> Cc: David Airlie <airl...@gmail.com>
> Cc: Fabio Estevam <feste...@gmail.com>
> Cc: Krzysztof Kozlowski <krzk...@kernel.org>
> Cc: Liviu Dudau <liviu.du...@arm.com>
> Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
> Cc: Maxime Ripard <mrip...@kernel.org>
> Cc: Pengutronix Kernel Team <ker...@pengutronix.de>
> Cc: Philipp Zabel <p.za...@pengutronix.de>
> Cc: Rob Herring <r...@kernel.org>
> Cc: Sascha Hauer <s.ha...@pengutronix.de>
> Cc: Sebastian Reichel <s...@kernel.org>
> Cc: Shawn Guo <shawn...@kernel.org>
> Cc: Simona Vetter <sim...@ffwll.ch>
> Cc: Steven Price <steven.pr...@arm.com>
> Cc: Thomas Zimmermann <tzimmerm...@suse.de>
> Cc: devicet...@vger.kernel.org
> Cc: dri-devel@lists.freedesktop.org
> Cc: i...@lists.linux.dev
> Cc: linux-arm-ker...@lists.infradead.org
> ---
> 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
>
