struct mtk_pwm_platform_data {
unsigned int num_pwms;
bool pwm45_fixup;
+ bool has_clks;
};
/**
struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip);
int ret;
+ if (!pc->soc->has_clks)
+ return 0;
+
ret = clk_prepare_enable(pc->clks[MTK_CLK_TOP]);
if (ret < 0)
return ret;
{
struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip);
+ if (!pc->soc->has_clks)
+ return;
+
clk_disable_unprepare(pc->clks[MTK_CLK_PWM1 + pwm->hwpwm]);
clk_disable_unprepare(pc->clks[MTK_CLK_MAIN]);
clk_disable_unprepare(pc->clks[MTK_CLK_TOP]);
if (IS_ERR(pc->regs))
return PTR_ERR(pc->regs);
- for (i = 0; i < data->num_pwms + 2; i++) {
+ for (i = 0; i < data->num_pwms + 2 && pc->soc->has_clks; i++) {
pc->clks[i] = devm_clk_get(&pdev->dev, mtk_pwm_clk_name[i]);
if (IS_ERR(pc->clks[i])) {
dev_err(&pdev->dev, "clock: %s fail: %ld\n",
static const struct mtk_pwm_platform_data mt2712_pwm_data = {
.num_pwms = 8,
.pwm45_fixup = false,
+ .has_clks = true,
};
static const struct mtk_pwm_platform_data mt7622_pwm_data = {
.num_pwms = 6,
.pwm45_fixup = false,
+ .has_clks = true,
};
static const struct mtk_pwm_platform_data mt7623_pwm_data = {
.num_pwms = 5,
.pwm45_fixup = true,
+ .has_clks = true,
+};
+
+static const struct mtk_pwm_platform_data mt7628_pwm_data = {
+ .num_pwms = 4,
+ .pwm45_fixup = true,
+ .has_clks = false,
};
static const struct of_device_id mtk_pwm_of_match[] = {
{ .compatible = "mediatek,mt2712-pwm", .data = &mt2712_pwm_data },
{ .compatible = "mediatek,mt7622-pwm", .data = &mt7622_pwm_data },
{ .compatible = "mediatek,mt7623-pwm", .data = &mt7623_pwm_data },
+ { .compatible = "mediatek,mt7628-pwm", .data = &mt7628_pwm_data },
{ },
};
MODULE_DEVICE_TABLE(of, mtk_pwm_of_match);