[PATCH v3 2/3] spi: dw-mmio: Add ACPI ID LECA0002 for LECARC SoCs

From: Thomas Lin

Date: Sun May 17 2026 - 23:11:17 EST


This ID requires a custom initialization function
dw_spi_hssi_no_dma_init() that sets dws->dws.ip to DW_HSSI_ID.

Signed-off-by: Thomas Lin <thomas_lin@xxxxxxxxxxxxxxx>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/acpi/acpi_apd.c | 7 +++++++
drivers/spi/spi-dw-mmio.c | 7 ++++---
2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c
index bed0791c17fc..4d5a51d30adc 100644
--- a/drivers/acpi/acpi_apd.c
+++ b/drivers/acpi/acpi_apd.c
@@ -181,6 +181,12 @@ static const struct apd_device_desc hip08_spi_desc = {
.setup = acpi_apd_setup,
.fixed_clk_rate = 250000000,
};
+
+static const struct apd_device_desc leca_spi_desc = {
+ .setup = acpi_apd_setup,
+ .fixed_clk_rate = 400000000,
+};
+
#endif /* CONFIG_ARM64 */

#endif
@@ -251,6 +257,7 @@ static const struct acpi_device_id acpi_apd_device_ids[] = {
{ "HISI02A2", APD_ADDR(hip08_i2c_desc) },
{ "HISI02A3", APD_ADDR(hip08_lite_i2c_desc) },
{ "HISI0173", APD_ADDR(hip08_spi_desc) },
+ { "LECA0002", APD_ADDR(leca_spi_desc) },
{ "NXP0001", APD_ADDR(nxp_i2c_desc) },
#endif
{ }
diff --git a/drivers/spi/spi-dw-mmio.c b/drivers/spi/spi-dw-mmio.c
index 1bfdf24c3227..4fc864d38cff 100644
--- a/drivers/spi/spi-dw-mmio.c
+++ b/drivers/spi/spi-dw-mmio.c
@@ -226,8 +226,8 @@ static int dw_spi_hssi_init(struct platform_device *pdev,
return 0;
}

-static int dw_spi_intel_init(struct platform_device *pdev,
- struct dw_spi_mmio *dwsmmio)
+static int dw_spi_hssi_no_dma_init(struct platform_device *pdev,
+ struct dw_spi_mmio *dwsmmio)
{
dwsmmio->dws.ip = DW_HSSI_ID;

@@ -438,7 +438,7 @@ static const struct of_device_id dw_spi_mmio_of_match[] = {
{ .compatible = "amazon,alpine-dw-apb-ssi", .data = dw_spi_alpine_init},
{ .compatible = "renesas,rzn1-spi", .data = dw_spi_pssi_init},
{ .compatible = "snps,dwc-ssi-1.01a", .data = dw_spi_hssi_init},
- { .compatible = "intel,keembay-ssi", .data = dw_spi_intel_init},
+ { .compatible = "intel,keembay-ssi", .data = dw_spi_hssi_no_dma_init},
{
.compatible = "intel,mountevans-imc-ssi",
.data = dw_spi_mountevans_imc_init,
@@ -453,6 +453,7 @@ MODULE_DEVICE_TABLE(of, dw_spi_mmio_of_match);
#ifdef CONFIG_ACPI
static const struct acpi_device_id dw_spi_mmio_acpi_match[] = {
{"HISI0173", (kernel_ulong_t)dw_spi_pssi_init},
+ {"LECA0002", (kernel_ulong_t)dw_spi_hssi_no_dma_init},
{},
};
MODULE_DEVICE_TABLE(acpi, dw_spi_mmio_acpi_match);
--
2.43.0