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 <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
