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reset: meson-audio-arb: add sm1 support

Add the new arb reset lines of the SM1 SoC family

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
alistair/sunxi64-5.5-dsi
Jerome Brunet 2019-09-05 15:50:40 +02:00 committed by Philipp Zabel
parent c2016cc612
commit 9c41152cfd
1 changed files with 40 additions and 3 deletions

View File

@ -19,6 +19,11 @@ struct meson_audio_arb_data {
spinlock_t lock;
};
struct meson_audio_arb_match_data {
const unsigned int *reset_bits;
unsigned int reset_num;
};
#define ARB_GENERAL_BIT 31
static const unsigned int axg_audio_arb_reset_bits[] = {
@ -30,6 +35,27 @@ static const unsigned int axg_audio_arb_reset_bits[] = {
[AXG_ARB_FRDDR_C] = 6,
};
static const struct meson_audio_arb_match_data axg_audio_arb_match = {
.reset_bits = axg_audio_arb_reset_bits,
.reset_num = ARRAY_SIZE(axg_audio_arb_reset_bits),
};
static const unsigned int sm1_audio_arb_reset_bits[] = {
[AXG_ARB_TODDR_A] = 0,
[AXG_ARB_TODDR_B] = 1,
[AXG_ARB_TODDR_C] = 2,
[AXG_ARB_FRDDR_A] = 4,
[AXG_ARB_FRDDR_B] = 5,
[AXG_ARB_FRDDR_C] = 6,
[AXG_ARB_TODDR_D] = 3,
[AXG_ARB_FRDDR_D] = 7,
};
static const struct meson_audio_arb_match_data sm1_audio_arb_match = {
.reset_bits = sm1_audio_arb_reset_bits,
.reset_num = ARRAY_SIZE(sm1_audio_arb_reset_bits),
};
static int meson_audio_arb_update(struct reset_controller_dev *rcdev,
unsigned long id, bool assert)
{
@ -82,7 +108,13 @@ static const struct reset_control_ops meson_audio_arb_rstc_ops = {
};
static const struct of_device_id meson_audio_arb_of_match[] = {
{ .compatible = "amlogic,meson-axg-audio-arb", },
{
.compatible = "amlogic,meson-axg-audio-arb",
.data = &axg_audio_arb_match,
}, {
.compatible = "amlogic,meson-sm1-audio-arb",
.data = &sm1_audio_arb_match,
},
{}
};
MODULE_DEVICE_TABLE(of, meson_audio_arb_of_match);
@ -104,10 +136,15 @@ static int meson_audio_arb_remove(struct platform_device *pdev)
static int meson_audio_arb_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
const struct meson_audio_arb_match_data *data;
struct meson_audio_arb_data *arb;
struct resource *res;
int ret;
data = of_device_get_match_data(dev);
if (!data)
return -EINVAL;
arb = devm_kzalloc(dev, sizeof(*arb), GFP_KERNEL);
if (!arb)
return -ENOMEM;
@ -126,8 +163,8 @@ static int meson_audio_arb_probe(struct platform_device *pdev)
return PTR_ERR(arb->regs);
spin_lock_init(&arb->lock);
arb->reset_bits = axg_audio_arb_reset_bits;
arb->rstc.nr_resets = ARRAY_SIZE(axg_audio_arb_reset_bits);
arb->reset_bits = data->reset_bits;
arb->rstc.nr_resets = data->reset_num;
arb->rstc.ops = &meson_audio_arb_rstc_ops;
arb->rstc.of_node = dev->of_node;
arb->rstc.owner = THIS_MODULE;