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| author | Daniel Golle <daniel@makrotopia.org> | 2023-03-10 19:55:09 +0000 |
|---|---|---|
| committer | Daniel Golle <daniel@makrotopia.org> | 2023-03-27 19:07:54 +0100 |
| commit | be6bbd94845575302fc7e96b30d8f9dab0f62ddc (patch) | |
| tree | f12f20fa4de1349bc2443bcc52b048035f6fa3fc /target/linux/mediatek | |
| parent | ad962c90c3b48f6cfa93bbd838526ab855f1c773 (diff) | |
| download | upstream-be6bbd94845575302fc7e96b30d8f9dab0f62ddc.tar.gz upstream-be6bbd94845575302fc7e96b30d8f9dab0f62ddc.tar.bz2 upstream-be6bbd94845575302fc7e96b30d8f9dab0f62ddc.zip | |
mediatek: add I2C for MT7981 SoC
Add patch to support I2C on the MT7981 SoC.
This change will also be submitted to upstream Linux soon.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Diffstat (limited to 'target/linux/mediatek')
| -rw-r--r-- | target/linux/mediatek/patches-5.15/810-i2c-mediatek-add-support-for-MT7981-SoC.patch | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-5.15/810-i2c-mediatek-add-support-for-MT7981-SoC.patch b/target/linux/mediatek/patches-5.15/810-i2c-mediatek-add-support-for-MT7981-SoC.patch new file mode 100644 index 0000000000..f9ad79c443 --- /dev/null +++ b/target/linux/mediatek/patches-5.15/810-i2c-mediatek-add-support-for-MT7981-SoC.patch @@ -0,0 +1,74 @@ +From bd4f7dae6a1f2fd65bb2112783c92ffe0839bc77 Mon Sep 17 00:00:00 2001 +From: Daniel Golle <daniel@makrotopia.org> +Date: Tue, 28 Feb 2023 23:53:56 +0000 +Subject: [PATCH] i2c: mediatek: add support for MT7981 SoC + +Signed-off-by: Daniel Golle <daniel@makrotopia.org> +--- + drivers/i2c/busses/i2c-mt65xx.c | 13 +++++++++++++ + 1 file changed, 13 insertions(+) + +--- a/drivers/i2c/busses/i2c-mt65xx.c ++++ b/drivers/i2c/busses/i2c-mt65xx.c +@@ -202,6 +202,34 @@ static const u16 mt_i2c_regs_v2[] = { + [OFFSET_DCM_EN] = 0xf88, + }; + ++static const u16 mt_i2c_regs_v3[] = { ++ [OFFSET_DATA_PORT] = 0x0, ++ [OFFSET_INTR_MASK] = 0x8, ++ [OFFSET_INTR_STAT] = 0xc, ++ [OFFSET_CONTROL] = 0x10, ++ [OFFSET_TRANSFER_LEN] = 0x14, ++ [OFFSET_TRANSAC_LEN] = 0x18, ++ [OFFSET_DELAY_LEN] = 0x1c, ++ [OFFSET_TIMING] = 0x20, ++ [OFFSET_START] = 0x24, ++ [OFFSET_EXT_CONF] = 0x28, ++ [OFFSET_LTIMING] = 0x2c, ++ [OFFSET_HS] = 0x30, ++ [OFFSET_IO_CONFIG] = 0x34, ++ [OFFSET_FIFO_ADDR_CLR] = 0x38, ++ [OFFSET_SDA_TIMING] = 0x3c, ++ [OFFSET_TRANSFER_LEN_AUX] = 0x44, ++ [OFFSET_CLOCK_DIV] = 0x48, ++ [OFFSET_SOFTRESET] = 0x50, ++ [OFFSET_SCL_MIS_COMP_POINT] = 0x90, ++ [OFFSET_SLAVE_ADDR] = 0x94, ++ [OFFSET_DEBUGSTAT] = 0xe4, ++ [OFFSET_DEBUGCTRL] = 0xe8, ++ [OFFSET_FIFO_STAT] = 0xf4, ++ [OFFSET_FIFO_THRESH] = 0xf8, ++ [OFFSET_DCM_EN] = 0xf88, ++}; ++ + struct mtk_i2c_compatible { + const struct i2c_adapter_quirks *quirks; + const u16 *regs; +@@ -365,6 +393,18 @@ static const struct mtk_i2c_compatible m + .max_dma_support = 32, + }; + ++static const struct mtk_i2c_compatible mt7981_compat = { ++ .regs = mt_i2c_regs_v3, ++ .pmic_i2c = 0, ++ .dcm = 0, ++ .auto_restart = 1, ++ .aux_len_reg = 1, ++ .timing_adjust = 1, ++ .dma_sync = 1, ++ .ltiming_adjust = 1, ++ .max_dma_support = 33 ++}; ++ + static const struct mtk_i2c_compatible mt7986_compat = { + .quirks = &mt7622_i2c_quirks, + .regs = mt_i2c_regs_v1, +@@ -424,6 +464,7 @@ static const struct of_device_id mtk_i2c + { .compatible = "mediatek,mt6577-i2c", .data = &mt6577_compat }, + { .compatible = "mediatek,mt6589-i2c", .data = &mt6589_compat }, + { .compatible = "mediatek,mt7622-i2c", .data = &mt7622_compat }, ++ { .compatible = "mediatek,mt7981-i2c", .data = &mt7981_compat }, + { .compatible = "mediatek,mt7986-i2c", .data = &mt7986_compat }, + { .compatible = "mediatek,mt8173-i2c", .data = &mt8173_compat }, + { .compatible = "mediatek,mt8183-i2c", .data = &mt8183_compat }, |