Message ID | 20250209122936.2338821-3-inochiama@gmail.com (mailing list archive) |
---|---|
State | Handled Elsewhere |
Headers | show |
Series | riscv: sophgo: cv18xx: Add reset generator support | expand |
Context | Check | Description |
---|---|---|
bjorn/pre-ci_am | success | Success |
bjorn/build-rv32-defconfig | success | build-rv32-defconfig |
bjorn/build-rv64-clang-allmodconfig | success | build-rv64-clang-allmodconfig |
bjorn/build-rv64-gcc-allmodconfig | success | build-rv64-gcc-allmodconfig |
bjorn/build-rv64-nommu-k210-defconfig | success | build-rv64-nommu-k210-defconfig |
bjorn/build-rv64-nommu-k210-virt | success | build-rv64-nommu-k210-virt |
bjorn/checkpatch | success | checkpatch |
bjorn/dtb-warn-rv64 | success | dtb-warn-rv64 |
bjorn/header-inline | success | header-inline |
bjorn/kdoc | success | kdoc |
bjorn/module-param | success | module-param |
bjorn/verify-fixes | success | verify-fixes |
bjorn/verify-signedoff | success | verify-signedoff |
Hi On 20:29 Sun 09 Feb , Inochi Amaoto wrote: > Reuse reset-simple driver for the Sophgo CV1800B reset generator. > > Signed-off-by: Inochi Amaoto <inochiama@gmail.com> > --- > drivers/reset/reset-simple.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/reset/reset-simple.c b/drivers/reset/reset-simple.c > index 276067839830..79e94ecfe4f5 100644 > --- a/drivers/reset/reset-simple.c > +++ b/drivers/reset/reset-simple.c > @@ -151,6 +151,8 @@ static const struct of_device_id reset_simple_dt_ids[] = { > { .compatible = "snps,dw-high-reset" }, > { .compatible = "snps,dw-low-reset", > .data = &reset_simple_active_low }, > + { .compatible = "sophgo,cv1800b-reset", > + .data = &reset_simple_active_low }, I think this isn't really a problem, but.. quite a lot SoCs use the "simple active low" IP, can we introduce a generic compatible? so can set as fallback.. intead of growing this compatible data each time for new SoC > { .compatible = "sophgo,sg2042-reset", > .data = &reset_simple_active_low }, > { /* sentinel */ }, > -- > 2.48.1 >
On Sun, Feb 09, 2025 at 01:46:52PM +0000, Yixun Lan wrote: > Hi > > On 20:29 Sun 09 Feb , Inochi Amaoto wrote: > > Reuse reset-simple driver for the Sophgo CV1800B reset generator. > > > > Signed-off-by: Inochi Amaoto <inochiama@gmail.com> > > --- > > drivers/reset/reset-simple.c | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/drivers/reset/reset-simple.c b/drivers/reset/reset-simple.c > > index 276067839830..79e94ecfe4f5 100644 > > --- a/drivers/reset/reset-simple.c > > +++ b/drivers/reset/reset-simple.c > > @@ -151,6 +151,8 @@ static const struct of_device_id reset_simple_dt_ids[] = { > > { .compatible = "snps,dw-high-reset" }, > > { .compatible = "snps,dw-low-reset", > > .data = &reset_simple_active_low }, > > + { .compatible = "sophgo,cv1800b-reset", > > + .data = &reset_simple_active_low }, > I think this isn't really a problem, but.. > > quite a lot SoCs use the "simple active low" IP, > can we introduce a generic compatible? so can set as fallback.. > intead of growing this compatible data each time for new SoC > I have already considered this idea and design something like "reset-simple-high" and "reset-simple-low" to cover these generic scenarios. But adding something like this is too hard for me to migrate existing devices. So finally I drop this and added the device id, as I am not sure whether is better. Regards, Inochi
diff --git a/drivers/reset/reset-simple.c b/drivers/reset/reset-simple.c index 276067839830..79e94ecfe4f5 100644 --- a/drivers/reset/reset-simple.c +++ b/drivers/reset/reset-simple.c @@ -151,6 +151,8 @@ static const struct of_device_id reset_simple_dt_ids[] = { { .compatible = "snps,dw-high-reset" }, { .compatible = "snps,dw-low-reset", .data = &reset_simple_active_low }, + { .compatible = "sophgo,cv1800b-reset", + .data = &reset_simple_active_low }, { .compatible = "sophgo,sg2042-reset", .data = &reset_simple_active_low }, { /* sentinel */ },
Reuse reset-simple driver for the Sophgo CV1800B reset generator. Signed-off-by: Inochi Amaoto <inochiama@gmail.com> --- drivers/reset/reset-simple.c | 2 ++ 1 file changed, 2 insertions(+)