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spi: rockchip-sfc: Support ACPI

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Compatible with ACPI.

Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
Link: https://patch.msgid.link/20241120012208.1193034-1-jon.lin@rock-chips.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jon Lin 2024-11-20 09:22:08 +08:00 committed by Mark Brown
parent 2c55f67c3a
commit e39531352a
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GPG Key ID: 24D68B725D5487D0
1 changed files with 11 additions and 3 deletions
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14
drivers/spi/spi-rockchip-sfc.c
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@ -491,7 +491,7 @@ static int rockchip_sfc_exec_mem_op(struct spi_mem *mem, const struct spi_mem_op
u32 len = op->data.nbytes;
int ret;
if (unlikely(mem->spi->max_speed_hz != sfc->frequency)) {
if (unlikely(mem->spi->max_speed_hz != sfc->frequency) && !has_acpi_companion(sfc->dev)) {
ret = clk_set_rate(sfc->clk, mem->spi->max_speed_hz);
if (ret)
return ret;
@ -579,16 +579,24 @@ static int rockchip_sfc_probe(struct platform_device *pdev)
if (IS_ERR(sfc->regbase))
return PTR_ERR(sfc->regbase);
sfc->clk = devm_clk_get(&pdev->dev, "clk_sfc");
if (!has_acpi_companion(&pdev->dev))
sfc->clk = devm_clk_get(&pdev->dev, "clk_sfc");
if (IS_ERR(sfc->clk))
return dev_err_probe(&pdev->dev, PTR_ERR(sfc->clk),
"Failed to get sfc interface clk\n");
sfc->hclk = devm_clk_get(&pdev->dev, "hclk_sfc");
if (!has_acpi_companion(&pdev->dev))
sfc->hclk = devm_clk_get(&pdev->dev, "hclk_sfc");
if (IS_ERR(sfc->hclk))
return dev_err_probe(&pdev->dev, PTR_ERR(sfc->hclk),
"Failed to get sfc ahb clk\n");
if (has_acpi_companion(&pdev->dev)) {
ret = device_property_read_u32(&pdev->dev, "clock-frequency", &sfc->frequency);
if (ret)
return dev_err_probe(&pdev->dev, ret, "Failed to find clock-frequency\n");
}
sfc->use_dma = !of_property_read_bool(sfc->dev->of_node, "rockchip,sfc-no-dma");
if (sfc->use_dma) {