diff options
| author | Neil Armstrong <narmstrong@baylibre.com> | 2019-07-01 13:47:02 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-07-23 15:51:50 +0300 |
| commit | aef5f47c9907ed6bfe9245124279b9c049077fd7 (patch) | |
| tree | bc8ef62222861529c4459e547b58e71fa75965d4 /drivers/media/platform | |
| parent | 9bef0d1d053de8db30bc07aa132c0ee94a05609c (diff) | |
| download | linux-aef5f47c9907ed6bfe9245124279b9c049077fd7.tar.xz | |
media: platform: meson-ao-cec-g12a: add support for SM1
Add support for the Amlogic SM1 SoC Family to the G12A AO-CECB
derivative.
It only adds a single init register.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
[hverkuil-cisco@xs4all.nl: dropped spurious newline]
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/platform')
| -rw-r--r-- | drivers/media/platform/meson/ao-cec-g12a.c | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/drivers/media/platform/meson/ao-cec-g12a.c b/drivers/media/platform/meson/ao-cec-g12a.c index c99d01926673..3b39e875292e 100644 --- a/drivers/media/platform/meson/ao-cec-g12a.c +++ b/drivers/media/platform/meson/ao-cec-g12a.c @@ -121,6 +121,9 @@ #define CECB_CTRL_TYPE_NEXT 2 #define CECB_CTRL2 0x01 + +#define CECB_CTRL2_RISE_DEL_MAX GENMASK(4, 0) + #define CECB_INTR_MASK 0x02 #define CECB_LADD_LOW 0x05 #define CECB_LADD_HIGH 0x06 @@ -165,6 +168,11 @@ #define CECB_WAKEUPCTRL 0x31 +struct meson_ao_cec_g12a_data { + /* Setup the internal CECB_CTRL2 register */ + bool ctrl2_setup; +}; + struct meson_ao_cec_g12a_device { struct platform_device *pdev; struct regmap *regmap; @@ -175,6 +183,7 @@ struct meson_ao_cec_g12a_device { struct cec_msg rx_msg; struct clk *oscin; struct clk *core; + const struct meson_ao_cec_g12a_data *data; }; static const struct regmap_config meson_ao_cec_g12a_regmap_conf = { @@ -605,6 +614,10 @@ static int meson_ao_cec_g12a_adap_enable(struct cec_adapter *adap, bool enable) regmap_update_bits(ao_cec->regmap, CECB_GEN_CNTL_REG, CECB_GEN_CNTL_RESET, 0); + if (ao_cec->data->ctrl2_setup) + regmap_write(ao_cec->regmap_cec, CECB_CTRL2, + FIELD_PREP(CECB_CTRL2_RISE_DEL_MAX, 2)); + meson_ao_cec_g12a_irq_setup(ao_cec, true); return 0; @@ -632,6 +645,12 @@ static int meson_ao_cec_g12a_probe(struct platform_device *pdev) if (!ao_cec) return -ENOMEM; + ao_cec->data = of_device_get_match_data(&pdev->dev); + if (!ao_cec->data) { + dev_err(&pdev->dev, "failed to get match data\n"); + return -ENODEV; + } + spin_lock_init(&ao_cec->cec_reg_lock); ao_cec->pdev = pdev; @@ -740,8 +759,23 @@ static int meson_ao_cec_g12a_remove(struct platform_device *pdev) return 0; } +static const struct meson_ao_cec_g12a_data ao_cec_g12a_data = { + .ctrl2_setup = false, +}; + +static const struct meson_ao_cec_g12a_data ao_cec_sm1_data = { + .ctrl2_setup = true, +}; + static const struct of_device_id meson_ao_cec_g12a_of_match[] = { - { .compatible = "amlogic,meson-g12a-ao-cec", }, + { + .compatible = "amlogic,meson-g12a-ao-cec", + .data = &ao_cec_g12a_data, + }, + { + .compatible = "amlogic,meson-sm1-ao-cec", + .data = &ao_cec_sm1_data, + }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, meson_ao_cec_g12a_of_match); |