public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-09-18 22:14:16 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

pinctrl: spacemit: add clock support for K1 SoC

Browse source 
For SpacemiT K1 SoC's pinctrl, explicitly acquiring clocks in
the driver instead of relying on bootloader or default hardware
settings to enable it.

Signed-off-by: Yixun Lan <dlan@gentoo.org>
Reviewed-by: Alex Elder <elder@riscstar.com>
Link: https://lore.kernel.org/20250416-02-k1-pinctrl-clk-v2-2-2b5fcbd4183c@gentoo.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Yixun Lan 2025-04-16 08:15:28 +08:00 • committed by Linus Walleij
parent c6650433ea
commit 5a740280de
1 changed files with 10 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
drivers/pinctrl/spacemit/pinctrl-k1.c
View file

@ -2,6 +2,7 @@
/* Copyright (c) 2024 Yixun Lan <dlan@gentoo.org> */
#include <linux/bits.h>
#include <linux/clk.h>
#include <linux/cleanup.h>
#include <linux/io.h>
#include <linux/of.h>
@ -721,6 +722,7 @@ static int spacemit_pinctrl_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct spacemit_pinctrl *pctrl;
struct clk *func_clk, *bus_clk;
const struct spacemit_pinctrl_data *pctrl_data;
int ret;
@ -739,6 +741,14 @@ static int spacemit_pinctrl_probe(struct platform_device *pdev)
if (IS_ERR(pctrl->regs))
return PTR_ERR(pctrl->regs);
func_clk = devm_clk_get_enabled(dev, "func");
if (IS_ERR(func_clk))
return dev_err_probe(dev, PTR_ERR(func_clk), "failed to get func clock\n");
bus_clk = devm_clk_get_enabled(dev, "bus");
if (IS_ERR(bus_clk))
return dev_err_probe(dev, PTR_ERR(bus_clk), "failed to get bus clock\n");
pctrl->pdesc.name = dev_name(dev);
pctrl->pdesc.pins = pctrl_data->pins;
pctrl->pdesc.npins = pctrl_data->npins;