STRUCT NMK_PINCTRL_SOC_DATA(9)

🦋 struct nmk_pinctrl_soc_data(9) 🦋

okay so bestie, this is a Kernel API Manual page and it's literally all about struct nmk_pinctrl_soc_data — the Nomadik pin controller per-SoC configuration struct. yes, the whole page. it's giving "one struct, so much lore" and honestly? we stan a focused queen. 💅

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✨ NAME ✨

struct nmk_pinctrl_soc_data — the Nomadik pin controller per-SoC configuration. that's it, that's the vibe. 🎀

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🌸 SYNOPSIS 🌸

here's the whole struct, character for character, no cap — do not touch a single semicolon:

struct nmk_pinctrl_soc_data {
    const struct pinctrl_pin_desc *pins;
    unsigned int npins;
    const struct nmk_function *functions;
    unsigned int nfunctions;
    const struct nmk_pingroup *groups;
    unsigned int ngroups;
    const struct prcm_gpiocr_altcx_pin_desc *altcx_pins;
    unsigned int npins_altcx;
    const u16 *prcm_gpiocr_registers;
 };

look at her. nine fields. immaculate. 🫶

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💖 Members 💖

okay now the main character energy — every single member, explained:

• pins — an array describing all the pins the pin controller affects. and listen, this part is important: all pins which are also GPIOs must be listed first within the array, and they have to be numbered identically to the GPIO controller's numbering. no exceptions, no vibes-based reordering, fr fr. 🙈
• npins — the number of entries in pins. the headcount. the pins attendance sheet. ✨
• functions — the functions supported on this SoC. this SoC's whole personality, basically. 💜
• nfunctions — the number of entries in functions. math, but make it necessary. 🔥
• groups — an array describing all pin groups the pin SoC supports. squad goals, but hardware. 👑
• ngroups — the number of entries in groups. bestie, count your group chat members. 🧚
• altcx_pins — the pins that support Other alternate-C function on this SoC. yes, "Other" is capitalised in the original, we are respecting the proper noun. 🦋
• npins_altcx — the number of Other alternate-C pins. again: count. 🔢
• prcm_gpiocr_registers — the array of PRCM GPIOCR registers on this SoC. the one with the long name that ate and left no crumbs. 💀

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🌈 SEE ALSO 🌈

go read these next, iykyk:

• Kernel file ./include/linux/gpio/gpio-nomadik.h enum prcm_gpiocr_reg_index(9)
• enum prcm_gpiocr_altcx_index(9)
• struct prcm_gpiocr_altcx(9)
• struct prcm_gpiocr_altcx_pin_desc(9)
• struct nmk_function(9)
• struct nmk_pingroup(9)

literally a whole reading list. take notes. ⭐

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🎀 tiny reminder that this page lives in ./include/linux/gpio — don't go looking for it in the wrong directory and then @ me about it. 🎀

and that's the page!! tysm for coming to my TED talk, mwah 💖

— with love, from ./include/linux/gpio, dated October 2026, on behalf of struct nmk_pinctrl_soc_data(9). slay, periodt, and go configure some pins. 🍓✨