diff mbox series

[v2,1/3] dt-bindings: pinctrl: starfive,jh7110: add PAD_INTERNAL_* virtual pins

Message ID 20250424062017.652969-2-uwu@icenowy.me
State New
Headers show
Series pinctrl: starfive: jh7110: support force inputs | expand

Commit Message

Icenowy Zheng April 24, 2025, 6:20 a.m. UTC
The JH7110 SoC could support internal GPI signals to be routed to not
external GPIO but internal low/high levels.

Add two macros, PAD_INTERNAL_LOW and PAD_INTERNAL_HIGH, as two virtual
"pads" to represent internal GPI sources with fixed low/high levels.

Signed-off-by: Icenowy Zheng <uwu@icenowy.me>
---
 include/dt-bindings/pinctrl/starfive,jh7110-pinctrl.h | 4 ++++
 1 file changed, 4 insertions(+)

Comments

Krzysztof Kozlowski April 30, 2025, 7:21 a.m. UTC | #1
On Tue, Apr 29, 2025 at 05:00:04PM GMT, Icenowy Zheng wrote:
> > > > > +/* virtual pins for forcing GPI */
> > > > > +#define PAD_INTERNAL_LOW       254
> > > > > +#define PAD_INTERNAL_HIGH      255
> > > > 
> > > > Why this cannot be 20 and 21? These are not values for registers,
> > > > but
> > > > abstract numbers.
> > > 
> > > The number must not collide with SYS GPIO pads too.
> > 
> > There are no SYS GPIO pads here. Do you understand that this is not
> > value for registers?
> 
> Yes I understand.
> 
> The situation is that JH7110 has two similar pin mux controllers, one
> SYSGPIO and one AONGPIO. Despite I listed the values after the AONGPIO
> pad list, these values should apply to SYSGPIO too (unless you want to
> let them have different values for these two pinmux controllers), which
> is the part with comment "sys_iomux pins".

It is fine for me in such case.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/include/dt-bindings/pinctrl/starfive,jh7110-pinctrl.h b/include/dt-bindings/pinctrl/starfive,jh7110-pinctrl.h
index 3865f01396395..3cca874b2bef7 100644
--- a/include/dt-bindings/pinctrl/starfive,jh7110-pinctrl.h
+++ b/include/dt-bindings/pinctrl/starfive,jh7110-pinctrl.h
@@ -126,6 +126,10 @@ 
 #define	PAD_GMAC0_TXEN		18
 #define	PAD_GMAC0_TXC		19
 
+/* virtual pins for forcing GPI */
+#define PAD_INTERNAL_LOW	254
+#define PAD_INTERNAL_HIGH	255
+
 #define GPOUT_LOW		0
 #define GPOUT_HIGH		1