syscon_node_to_regmap(9)

💖 syscon_node_to_regmap 💖

okay bestie, welcome to this little page from the Kernel API Manual — it’s literally about syscon_node_to_regmap(9), and it’s giving “I get you a regmap or I create one,” which is honestly iconic. 🫶✨

✨ NAME ✨

syscon_node_to_regmap — get or create a regmap for the specified syscon device node. periodt. 💅

🌸 SYNOPSIS 🌸

struct regmap * syscon_node_to_regmap (struct device_node *np );

🎀 ARGUMENTS 🎀

• np — device tree node. that’s the node we’re working with, bestie. 💖

🦋 DESCRIPTION 🦋

So here’s the vibe: this gets a regmap for the specified device node. If there’s not an existing regmap, then one is instantiated — but only if the node is a generic "syscon". that little condition is important, no cap. 👑

And highkey important: this function is safe to use for a syscon registered with of_syscon_register_regmap. slay. ✨

💀 RETURN 💀

• On success: a regmap ptr. 🎉
• On failure: a negative error code. 😭

🌈 SEE ALSO 🌈

• Kernel file ./drivers/mfd/syscon.c
• of_syscon_register_regmap(9)
• device_node_to_regmap(9)

mwah 💋 this gem lives under source/version ./drivers/mfd, dated October 2026, and the page is syscon_node_to_regmap(9). go off, bestie. 🌟