arm64: dts: ti: k3-pinctrl: Introduce debounce select mux macros

Introduce the debounce select mux macros to allow folks to setup debounce configuration for pins. Each configuration selected maps to a specific timing register as documented in appropriate Technical Reference Manual (example:[1]). [1] AM625x TRM (section 6.1.2.2): https://www.ti.com/lit/pdf/spruiv7 Reviewed-by: Vignesh Raghavendra <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Nishanth Menon <[email protected]>
caleberi · Aug 2, 2023 · 0bec3d7 · 0bec3d7
1 parent b573bf3
commit 0bec3d7
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/arch/arm64/boot/dts/ti/k3-pinctrl.h b/arch/arm64/boot/dts/ti/k3-pinctrl.h
@@ -11,6 +11,7 @@
 #define PULLUDEN_SHIFT		(16)
 #define PULLTYPESEL_SHIFT	(17)
 #define RXACTIVE_SHIFT		(18)
+#define DEBOUNCE_SHIFT		(11)
 
 #define PULL_DISABLE		(1 << PULLUDEN_SHIFT)
 #define PULL_ENABLE		(0 << PULLUDEN_SHIFT)
@@ -29,6 +30,14 @@
 #define PIN_INPUT_PULLUP	(INPUT_EN | PULL_UP)
 #define PIN_INPUT_PULLDOWN	(INPUT_EN | PULL_DOWN)
 
+#define PIN_DEBOUNCE_DISABLE	(0 << DEBOUNCE_SHIFT)
+#define PIN_DEBOUNCE_CONF1	(1 << DEBOUNCE_SHIFT)
+#define PIN_DEBOUNCE_CONF2	(2 << DEBOUNCE_SHIFT)
+#define PIN_DEBOUNCE_CONF3	(3 << DEBOUNCE_SHIFT)
+#define PIN_DEBOUNCE_CONF4	(4 << DEBOUNCE_SHIFT)
+#define PIN_DEBOUNCE_CONF5	(5 << DEBOUNCE_SHIFT)
+#define PIN_DEBOUNCE_CONF6	(6 << DEBOUNCE_SHIFT)
+
 #define AM62AX_IOPAD(pa, val, muxmode)		(((pa) & 0x1fff)) ((val) | (muxmode))
 #define AM62AX_MCU_IOPAD(pa, val, muxmode)	(((pa) & 0x1fff)) ((val) | (muxmode))