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| author | DENG Qingfang <dqfext@gmail.com> | 2021-01-25 12:43:22 +0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-01-25 18:29:04 -0800 |
| commit | 429a0edeefd88cbfca5c417dfb8561047bb50769 (patch) | |
| tree | 9845db3669581fd18df79927b75e92db1744b0ac /drivers/net/dsa/mt7530.h | |
| parent | 974d5ba60df74483c69a2ccf580308de68769ec7 (diff) | |
| download | linux-stable-429a0edeefd88cbfca5c417dfb8561047bb50769.tar.gz linux-stable-429a0edeefd88cbfca5c417dfb8561047bb50769.tar.bz2 linux-stable-429a0edeefd88cbfca5c417dfb8561047bb50769.zip | |
net: dsa: mt7530: MT7530 optional GPIO support
MT7530's LED controller can drive up to 15 LED/GPIOs.
Add support for GPIO control and allow users to use its GPIOs by
setting gpio-controller property in device tree.
Signed-off-by: DENG Qingfang <dqfext@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/dsa/mt7530.h')
| -rw-r--r-- | drivers/net/dsa/mt7530.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h index 32d8969b3ace..64a9bb377e15 100644 --- a/drivers/net/dsa/mt7530.h +++ b/drivers/net/dsa/mt7530.h @@ -554,6 +554,26 @@ enum mt7531_clk_skew { #define MT7531_GPIO12_RG_RXD3_MASK GENMASK(19, 16) #define MT7531_EXT_P_MDIO_12 (2 << 16) +/* Registers for LED GPIO control (MT7530 only) + * All registers follow this pattern: + * [ 2: 0] port 0 + * [ 6: 4] port 1 + * [10: 8] port 2 + * [14:12] port 3 + * [18:16] port 4 + */ + +/* LED enable, 0: Disable, 1: Enable (Default) */ +#define MT7530_LED_EN 0x7d00 +/* LED mode, 0: GPIO mode, 1: PHY mode (Default) */ +#define MT7530_LED_IO_MODE 0x7d04 +/* GPIO direction, 0: Input, 1: Output */ +#define MT7530_LED_GPIO_DIR 0x7d10 +/* GPIO output enable, 0: Disable, 1: Enable */ +#define MT7530_LED_GPIO_OE 0x7d14 +/* GPIO value, 0: Low, 1: High */ +#define MT7530_LED_GPIO_DATA 0x7d18 + #define MT7530_CREV 0x7ffc #define CHIP_NAME_SHIFT 16 #define MT7530_ID 0x7530 |