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

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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 <vigneshr@ti.com>
Link: https://lore.kernel.org/r/20230619131620.3286650-1-nm@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
This commit is contained in:
Nishanth Menon 2023-06-19 08:16:20 -05:00
parent b573bf35ef
commit 0bec3d7ecc
1 changed files with 9 additions and 0 deletions
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9
arch/arm64/boot/dts/ti/k3-pinctrl.h
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@ -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))