From 0bba6741531131c021e5896e8c11d9e880001bab Mon Sep 17 00:00:00 2001 From: Daniel Golle Date: Fri, 19 Apr 2024 10:55:46 +0100 Subject: [PATCH] mediatek: backport PWM drivers * MT7981 and MT7988 backported to Linux 6.1 * MT7988 backported to Linux 6.6 Signed-off-by: Daniel Golle --- ...-pwm-mediatek-Add-support-for-MT7981.patch | 147 ++++++++++++++++++ ...-pwm-mediatek-add-support-for-MT7988.patch | 44 ++++++ ...-pwm-mediatek-add-support-for-MT7988.patch | 44 ++++++ 3 files changed, 235 insertions(+) create mode 100644 target/linux/mediatek/patches-6.1/805-v6.5-pwm-mediatek-Add-support-for-MT7981.patch create mode 100644 target/linux/mediatek/patches-6.1/806-v6.9-pwm-mediatek-add-support-for-MT7988.patch create mode 100644 target/linux/mediatek/patches-6.6/806-v6.9-pwm-mediatek-add-support-for-MT7988.patch diff --git a/target/linux/mediatek/patches-6.1/805-v6.5-pwm-mediatek-Add-support-for-MT7981.patch b/target/linux/mediatek/patches-6.1/805-v6.5-pwm-mediatek-Add-support-for-MT7981.patch new file mode 100644 index 0000000000..72feecadb1 --- /dev/null +++ b/target/linux/mediatek/patches-6.1/805-v6.5-pwm-mediatek-Add-support-for-MT7981.patch @@ -0,0 +1,147 @@ +From 967da67a745fb73fd0fc7aa61fd197b76fceb273 Mon Sep 17 00:00:00 2001 +From: Daniel Golle +Date: Fri, 21 Apr 2023 00:23:21 +0100 +Subject: [PATCH] pwm: mediatek: Add support for MT7981 + +The PWM unit on MT7981 uses different register offsets than previous +MediaTek PWM units. Add support for these new offsets and add support +for PWM on MT7981 which has 3 PWM channels, one of them is typically +used for a temperature controlled fan. +While at it, also reorder pwm_mediatek_of_data entries to restore +alphabetic order. + +Signed-off-by: Daniel Golle +Reviewed-by: AngeloGioacchino Del Regno +Reviewed-by: Matthias Brugger +Signed-off-by: Thierry Reding +--- + drivers/pwm/pwm-mediatek.c | 39 ++++++++++++++++++++++++++++++-------- + 1 file changed, 31 insertions(+), 8 deletions(-) + +--- a/drivers/pwm/pwm-mediatek.c ++++ b/drivers/pwm/pwm-mediatek.c +@@ -38,6 +38,7 @@ struct pwm_mediatek_of_data { + unsigned int num_pwms; + bool pwm45_fixup; + bool has_ck_26m_sel; ++ const unsigned int *reg_offset; + }; + + /** +@@ -59,10 +60,14 @@ struct pwm_mediatek_chip { + const struct pwm_mediatek_of_data *soc; + }; + +-static const unsigned int pwm_mediatek_reg_offset[] = { ++static const unsigned int mtk_pwm_reg_offset_v1[] = { + 0x0010, 0x0050, 0x0090, 0x00d0, 0x0110, 0x0150, 0x0190, 0x0220 + }; + ++static const unsigned int mtk_pwm_reg_offset_v2[] = { ++ 0x0080, 0x00c0, 0x0100, 0x0140, 0x0180, 0x01c0, 0x0200, 0x0240 ++}; ++ + static inline struct pwm_mediatek_chip * + to_pwm_mediatek_chip(struct pwm_chip *chip) + { +@@ -111,7 +116,7 @@ static inline void pwm_mediatek_writel(s + unsigned int num, unsigned int offset, + u32 value) + { +- writel(value, chip->regs + pwm_mediatek_reg_offset[num] + offset); ++ writel(value, chip->regs + chip->soc->reg_offset[num] + offset); + } + + static int pwm_mediatek_config(struct pwm_chip *chip, struct pwm_device *pwm, +@@ -285,60 +290,77 @@ static const struct pwm_mediatek_of_data + .num_pwms = 8, + .pwm45_fixup = false, + .has_ck_26m_sel = false, ++ .reg_offset = mtk_pwm_reg_offset_v1, + }; + + static const struct pwm_mediatek_of_data mt6795_pwm_data = { + .num_pwms = 7, + .pwm45_fixup = false, + .has_ck_26m_sel = false, ++ .reg_offset = mtk_pwm_reg_offset_v1, + }; + + static const struct pwm_mediatek_of_data mt7622_pwm_data = { + .num_pwms = 6, + .pwm45_fixup = false, + .has_ck_26m_sel = true, ++ .reg_offset = mtk_pwm_reg_offset_v1, + }; + + static const struct pwm_mediatek_of_data mt7623_pwm_data = { + .num_pwms = 5, + .pwm45_fixup = true, + .has_ck_26m_sel = false, ++ .reg_offset = mtk_pwm_reg_offset_v1, + }; + + static const struct pwm_mediatek_of_data mt7628_pwm_data = { + .num_pwms = 4, + .pwm45_fixup = true, + .has_ck_26m_sel = false, ++ .reg_offset = mtk_pwm_reg_offset_v1, + }; + + static const struct pwm_mediatek_of_data mt7629_pwm_data = { + .num_pwms = 1, + .pwm45_fixup = false, + .has_ck_26m_sel = false, ++ .reg_offset = mtk_pwm_reg_offset_v1, + }; + +-static const struct pwm_mediatek_of_data mt8183_pwm_data = { +- .num_pwms = 4, ++static const struct pwm_mediatek_of_data mt7981_pwm_data = { ++ .num_pwms = 3, + .pwm45_fixup = false, + .has_ck_26m_sel = true, ++ .reg_offset = mtk_pwm_reg_offset_v2, + }; + +-static const struct pwm_mediatek_of_data mt8365_pwm_data = { +- .num_pwms = 3, ++static const struct pwm_mediatek_of_data mt7986_pwm_data = { ++ .num_pwms = 2, + .pwm45_fixup = false, + .has_ck_26m_sel = true, ++ .reg_offset = mtk_pwm_reg_offset_v1, + }; + +-static const struct pwm_mediatek_of_data mt7986_pwm_data = { +- .num_pwms = 2, ++static const struct pwm_mediatek_of_data mt8183_pwm_data = { ++ .num_pwms = 4, ++ .pwm45_fixup = false, ++ .has_ck_26m_sel = true, ++ .reg_offset = mtk_pwm_reg_offset_v1, ++}; ++ ++static const struct pwm_mediatek_of_data mt8365_pwm_data = { ++ .num_pwms = 3, + .pwm45_fixup = false, + .has_ck_26m_sel = true, ++ .reg_offset = mtk_pwm_reg_offset_v1, + }; + + static const struct pwm_mediatek_of_data mt8516_pwm_data = { + .num_pwms = 5, + .pwm45_fixup = false, + .has_ck_26m_sel = true, ++ .reg_offset = mtk_pwm_reg_offset_v1, + }; + + static const struct of_device_id pwm_mediatek_of_match[] = { +@@ -348,6 +370,7 @@ static const struct of_device_id pwm_med + { .compatible = "mediatek,mt7623-pwm", .data = &mt7623_pwm_data }, + { .compatible = "mediatek,mt7628-pwm", .data = &mt7628_pwm_data }, + { .compatible = "mediatek,mt7629-pwm", .data = &mt7629_pwm_data }, ++ { .compatible = "mediatek,mt7981-pwm", .data = &mt7981_pwm_data }, + { .compatible = "mediatek,mt7986-pwm", .data = &mt7986_pwm_data }, + { .compatible = "mediatek,mt8183-pwm", .data = &mt8183_pwm_data }, + { .compatible = "mediatek,mt8365-pwm", .data = &mt8365_pwm_data }, diff --git a/target/linux/mediatek/patches-6.1/806-v6.9-pwm-mediatek-add-support-for-MT7988.patch b/target/linux/mediatek/patches-6.1/806-v6.9-pwm-mediatek-add-support-for-MT7988.patch new file mode 100644 index 0000000000..00543a1bb1 --- /dev/null +++ b/target/linux/mediatek/patches-6.1/806-v6.9-pwm-mediatek-add-support-for-MT7988.patch @@ -0,0 +1,44 @@ +From eb58bf4afd708eb3c64c7b9b2c5fbfacdcdee3e5 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Wed, 14 Feb 2024 15:04:54 +0100 +Subject: [PATCH] pwm: mediatek: add support for MT7988 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +MT7988 uses new registers layout just like MT7981 but it supports 8 PWM +interfaces. + +Signed-off-by: Rafał Miłecki +Reviewed-by: Daniel Golle +Reviewed-by: AngeloGioacchino Del Regno +Link: https://lore.kernel.org/r/20240214140454.6438-2-zajec5@gmail.com +Signed-off-by: Uwe Kleine-König +--- + drivers/pwm/pwm-mediatek.c | 8 ++++++++ + 1 file changed, 8 insertions(+) + +--- a/drivers/pwm/pwm-mediatek.c ++++ b/drivers/pwm/pwm-mediatek.c +@@ -342,6 +342,13 @@ static const struct pwm_mediatek_of_data + .reg_offset = mtk_pwm_reg_offset_v1, + }; + ++static const struct pwm_mediatek_of_data mt7988_pwm_data = { ++ .num_pwms = 8, ++ .pwm45_fixup = false, ++ .has_ck_26m_sel = false, ++ .reg_offset = mtk_pwm_reg_offset_v2, ++}; ++ + static const struct pwm_mediatek_of_data mt8183_pwm_data = { + .num_pwms = 4, + .pwm45_fixup = false, +@@ -372,6 +379,7 @@ static const struct of_device_id pwm_med + { .compatible = "mediatek,mt7629-pwm", .data = &mt7629_pwm_data }, + { .compatible = "mediatek,mt7981-pwm", .data = &mt7981_pwm_data }, + { .compatible = "mediatek,mt7986-pwm", .data = &mt7986_pwm_data }, ++ { .compatible = "mediatek,mt7988-pwm", .data = &mt7988_pwm_data }, + { .compatible = "mediatek,mt8183-pwm", .data = &mt8183_pwm_data }, + { .compatible = "mediatek,mt8365-pwm", .data = &mt8365_pwm_data }, + { .compatible = "mediatek,mt8516-pwm", .data = &mt8516_pwm_data }, diff --git a/target/linux/mediatek/patches-6.6/806-v6.9-pwm-mediatek-add-support-for-MT7988.patch b/target/linux/mediatek/patches-6.6/806-v6.9-pwm-mediatek-add-support-for-MT7988.patch new file mode 100644 index 0000000000..01768ff01f --- /dev/null +++ b/target/linux/mediatek/patches-6.6/806-v6.9-pwm-mediatek-add-support-for-MT7988.patch @@ -0,0 +1,44 @@ +From eb58bf4afd708eb3c64c7b9b2c5fbfacdcdee3e5 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Wed, 14 Feb 2024 15:04:54 +0100 +Subject: [PATCH] pwm: mediatek: add support for MT7988 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +MT7988 uses new registers layout just like MT7981 but it supports 8 PWM +interfaces. + +Signed-off-by: Rafał Miłecki +Reviewed-by: Daniel Golle +Reviewed-by: AngeloGioacchino Del Regno +Link: https://lore.kernel.org/r/20240214140454.6438-2-zajec5@gmail.com +Signed-off-by: Uwe Kleine-König +--- + drivers/pwm/pwm-mediatek.c | 8 ++++++++ + 1 file changed, 8 insertions(+) + +--- a/drivers/pwm/pwm-mediatek.c ++++ b/drivers/pwm/pwm-mediatek.c +@@ -341,6 +341,13 @@ static const struct pwm_mediatek_of_data + .reg_offset = mtk_pwm_reg_offset_v1, + }; + ++static const struct pwm_mediatek_of_data mt7988_pwm_data = { ++ .num_pwms = 8, ++ .pwm45_fixup = false, ++ .has_ck_26m_sel = false, ++ .reg_offset = mtk_pwm_reg_offset_v2, ++}; ++ + static const struct pwm_mediatek_of_data mt8183_pwm_data = { + .num_pwms = 4, + .pwm45_fixup = false, +@@ -371,6 +378,7 @@ static const struct of_device_id pwm_med + { .compatible = "mediatek,mt7629-pwm", .data = &mt7629_pwm_data }, + { .compatible = "mediatek,mt7981-pwm", .data = &mt7981_pwm_data }, + { .compatible = "mediatek,mt7986-pwm", .data = &mt7986_pwm_data }, ++ { .compatible = "mediatek,mt7988-pwm", .data = &mt7988_pwm_data }, + { .compatible = "mediatek,mt8183-pwm", .data = &mt8183_pwm_data }, + { .compatible = "mediatek,mt8365-pwm", .data = &mt8365_pwm_data }, + { .compatible = "mediatek,mt8516-pwm", .data = &mt8516_pwm_data }, -- 2.30.2