diff options
| author | Weijie Gao <weijie.gao@mediatek.com> | 2025-03-07 11:22:23 +0800 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2025-03-30 09:14:44 -0600 |
| commit | f87b959080d95528c93cc7fcae84768aafc75740 (patch) | |
| tree | 8701cbf8b24db08102cd7f96df37113f3ad282ab /drivers/pwm/pwm-mtk.c | |
| parent | 2d611c2a02683ccee7b085f1f1e7b1b2edc5c773 (diff) | |
pwm: mediatek: add pwm support for MediaTek MT7987 SoC
This patch adds pwm support for MediaTek MT7987 SoC.
Signed-off-by: Sam Shih <sam.shih@mediatek.com>
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
Diffstat (limited to 'drivers/pwm/pwm-mtk.c')
| -rw-r--r-- | drivers/pwm/pwm-mtk.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/pwm/pwm-mtk.c b/drivers/pwm/pwm-mtk.c index 5cf2eba2ba0..898e353b370 100644 --- a/drivers/pwm/pwm-mtk.c +++ b/drivers/pwm/pwm-mtk.c @@ -30,6 +30,7 @@ enum mtk_pwm_reg_ver { PWM_REG_V1, PWM_REG_V2, + PWM_REG_V3, }; static const unsigned int mtk_pwm_reg_offset_v1[] = { @@ -40,6 +41,10 @@ static const unsigned int mtk_pwm_reg_offset_v2[] = { 0x0080, 0x00c0, 0x0100, 0x0140, 0x0180, 0x01c0, 0x0200, 0x0240 }; +static const unsigned int mtk_pwm_reg_offset_v3[] = { + 0x0100, 0x0200, 0x0300, 0x0400, 0x0500, 0x600, 0x700, 0x0800 +}; + struct mtk_pwm_soc { unsigned int num_pwms; bool pwm45_fixup; @@ -60,6 +65,10 @@ static void mtk_pwm_w32(struct udevice *dev, uint channel, uint reg, uint val) u32 offset; switch (priv->soc->reg_ver) { + case PWM_REG_V3: + offset = mtk_pwm_reg_offset_v3[channel]; + break; + case PWM_REG_V2: offset = mtk_pwm_reg_offset_v2[channel]; break; @@ -203,6 +212,12 @@ static const struct mtk_pwm_soc mt7986_data = { .reg_ver = PWM_REG_V1, }; +static const struct mtk_pwm_soc mt7987_data = { + .num_pwms = 3, + .pwm45_fixup = false, + .reg_ver = PWM_REG_V3, +}; + static const struct mtk_pwm_soc mt7988_data = { .num_pwms = 8, .pwm45_fixup = false, @@ -215,6 +230,7 @@ static const struct udevice_id mtk_pwm_ids[] = { { .compatible = "mediatek,mt7629-pwm", .data = (ulong)&mt7629_data }, { .compatible = "mediatek,mt7981-pwm", .data = (ulong)&mt7981_data }, { .compatible = "mediatek,mt7986-pwm", .data = (ulong)&mt7986_data }, + { .compatible = "mediatek,mt7987-pwm", .data = (ulong)&mt7987_data }, { .compatible = "mediatek,mt7988-pwm", .data = (ulong)&mt7988_data }, { } }; |