[PATCH v2 5/9] soc: qcom: ubwc: Add config for Milos

From: Luca Weiss

Date: Fri Mar 27 2026 - 12:22:32 EST


Describe the Universal Bandwidth Compression (UBWC) configuration
for the Milos SoC.

Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
Signed-off-by: Luca Weiss <luca.weiss@xxxxxxxxxxxxx>
---
drivers/soc/qcom/ubwc_config.c | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/drivers/soc/qcom/ubwc_config.c b/drivers/soc/qcom/ubwc_config.c
index 3fe47d8f0f63..1551f270afce 100644
--- a/drivers/soc/qcom/ubwc_config.c
+++ b/drivers/soc/qcom/ubwc_config.c
@@ -37,6 +37,17 @@ static const struct qcom_ubwc_cfg_data kaanapali_data = {
.macrotile_mode = true,
};

+static const struct qcom_ubwc_cfg_data milos_data = {
+ .ubwc_enc_version = UBWC_4_0,
+ .ubwc_dec_version = UBWC_4_0,
+ .ubwc_swizzle = UBWC_SWIZZLE_ENABLE_LVL2 |
+ UBWC_SWIZZLE_ENABLE_LVL3,
+ .ubwc_bank_spread = true,
+ /* TODO: highest_bank_bit = 14 for LP_DDR4 */
+ .highest_bank_bit = 15,
+ .macrotile_mode = true,
+};
+
static const struct qcom_ubwc_cfg_data msm8937_data = {
.ubwc_enc_version = UBWC_1_0,
.ubwc_dec_version = UBWC_1_0,
@@ -247,6 +258,7 @@ static const struct of_device_id qcom_ubwc_configs[] __maybe_unused = {
{ .compatible = "qcom,kaanapali", .data = &kaanapali_data, },
{ .compatible = "qcom,glymur", .data = &glymur_data},
{ .compatible = "qcom,mahua", .data = &glymur_data },
+ { .compatible = "qcom,milos", .data = &milos_data },
{ .compatible = "qcom,msm8226", .data = &no_ubwc_data },
{ .compatible = "qcom,msm8916", .data = &no_ubwc_data },
{ .compatible = "qcom,msm8917", .data = &no_ubwc_data },

--
2.53.0