diff options
| author | Rex-BC Chen <rex-bc.chen@mediatek.corp-partner.google.com> | 2021-11-03 11:28:23 +0800 |
|---|---|---|
| committer | Hung-Te Lin <hungte@chromium.org> | 2021-11-17 10:29:55 +0000 |
| commit | 9d321588d04843621af4cddff411ddcee88fe682 (patch) | |
| tree | d4b35804b227b111cd73df23479e9993a2437d9f /src/soc/mediatek/mt8183 | |
| parent | e2cc773f71891f26330f235421602ad4bd3695e6 (diff) | |
soc/mediatek: move i2c function to common folder
Move mtk_i2c_max_step_cnt, mtk_i2c_check_ac_timing, mtk_i2c_speed_init
and mtk_i2c_calculate_speed to common folder to share with MT8186.
TEST=test on tomato ok
TEST=emerge-asurada coreboot
BUG=b:202871018
Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Change-Id: I4a702741c763bf9261cea90d0d71c08b6e28c261
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59295
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Diffstat (limited to 'src/soc/mediatek/mt8183')
| -rw-r--r-- | src/soc/mediatek/mt8183/i2c.c | 10 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8183/include/soc/i2c.h | 5 |
2 files changed, 9 insertions, 6 deletions
diff --git a/src/soc/mediatek/mt8183/i2c.c b/src/soc/mediatek/mt8183/i2c.c index 3e53a72c5e..193f4b912b 100644 --- a/src/soc/mediatek/mt8183/i2c.c +++ b/src/soc/mediatek/mt8183/i2c.c @@ -2,12 +2,9 @@ #include <assert.h> #include <device/mmio.h> -#include <soc/pll.h> #include <soc/i2c.h> #include <soc/gpio.h> -#define I2C_CLK_HZ (UNIVPLL_HZ / 20) - struct mtk_i2c mtk_i2c_bus_controller[] = { /* i2c0 setting */ { @@ -52,7 +49,8 @@ struct mtk_i2c mtk_i2c_bus_controller[] = { }, }; -#define I2C_BUS_NUMBER ARRAY_SIZE(mtk_i2c_bus_controller) +_Static_assert(ARRAY_SIZE(mtk_i2c_bus_controller) == I2C_BUS_NUMBER, + "Wrong size of mtk_i2c_bus_controller"); struct pad_func { gpio_t gpio; @@ -103,7 +101,7 @@ static void mtk_i2c_set_gpio_pinmux(uint8_t bus) } } -static void mtk_i2c_speed_init(uint8_t bus) +static void mtk_i2c_speed_init_soc(uint8_t bus) { uint8_t step_div; const uint8_t clock_div = 5; @@ -132,7 +130,7 @@ static void mtk_i2c_speed_init(uint8_t bus) void mtk_i2c_bus_init(uint8_t bus) { - mtk_i2c_speed_init(bus); + mtk_i2c_speed_init_soc(bus); mtk_i2c_set_gpio_pinmux(bus); } diff --git a/src/soc/mediatek/mt8183/include/soc/i2c.h b/src/soc/mediatek/mt8183/include/soc/i2c.h index e70cf47958..ebe75facce 100644 --- a/src/soc/mediatek/mt8183/include/soc/i2c.h +++ b/src/soc/mediatek/mt8183/include/soc/i2c.h @@ -4,6 +4,7 @@ #define SOC_MEDIATEK_MT8183_I2C_H #include <soc/i2c_common.h> +#include <soc/pll.h> /* I2C Register */ struct mt_i2c_regs { @@ -39,6 +40,10 @@ struct mt_i2c_regs { uint32_t rollback; }; +#define I2C_CLK_HZ (UNIVPLL_HZ / 20) +#define I2C_BUS_NUMBER 7 +#define MAX_CLOCK_DIV 32 + check_member(mt_i2c_regs, multi_dma, 0xf8c); void mtk_i2c_bus_init(uint8_t bus); |