diff mbox series

[2/2] soc: qcom: spm: Implement support for SAWv2.3, MSM8976 L2 PM

Message ID 20221104133452.131227-3-angelogioacchino.delregno@collabora.com
State New
Headers show
Series [1/2] dt-bindings: soc: qcom: Add bindings for Qualcomm Ramp Controller | expand

Commit Message

AngeloGioacchino Del Regno Nov. 4, 2022, 1:34 p.m. UTC 
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>

Implement the support for SAW v2.3, used in at least MSM8976, MSM8956
and APQ variants and while at it also add the configuration for the
MSM8976's little (a53) and big (a72) clusters cache power management.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
[Marijn: reorder struct definitions to follow high-to-low order]
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
 drivers/soc/qcom/spm.c | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
diff mbox series

Patch

diff --git a/drivers/soc/qcom/spm.c b/drivers/soc/qcom/spm.c
index 484b42b7454e..bfcd321d7837 100644
--- a/drivers/soc/qcom/spm.c
+++ b/drivers/soc/qcom/spm.c
@@ -98,6 +98,35 @@  static const struct spm_reg_data spm_reg_8916_cpu = {
 	.start_index[PM_SLEEP_MODE_SPC] = 5,
 };
 
+static const u16 spm_reg_offset_v2_3[SPM_REG_NR] = {
+	[SPM_REG_CFG]		= 0x08,
+	[SPM_REG_SPM_CTL]	= 0x30,
+	[SPM_REG_DLY]		= 0x34,
+	[SPM_REG_PMIC_DATA_0]	= 0x40,
+	[SPM_REG_PMIC_DATA_1]	= 0x44,
+};
+
+/* SPM register data for 8976 */
+static const struct spm_reg_data spm_reg_8976_gold_l2 = {
+	.reg_offset = spm_reg_offset_v2_3,
+	.spm_cfg = 0x14,
+	.spm_dly = 0x3c11840a,
+	.pmic_data[0] = 0x03030080,
+	.pmic_data[1] = 0x00030000,
+	.start_index[PM_SLEEP_MODE_STBY] = 0,
+	.start_index[PM_SLEEP_MODE_SPC] = 3,
+};
+
+static const struct spm_reg_data spm_reg_8976_silver_l2 = {
+	.reg_offset = spm_reg_offset_v2_3,
+	.spm_cfg = 0x14,
+	.spm_dly = 0x3c102800,
+	.pmic_data[0] = 0x03030080,
+	.pmic_data[1] = 0x00030000,
+	.start_index[PM_SLEEP_MODE_STBY] = 0,
+	.start_index[PM_SLEEP_MODE_SPC] = 2,
+};
+
 static const u16 spm_reg_offset_v2_1[SPM_REG_NR] = {
 	[SPM_REG_CFG]		= 0x08,
 	[SPM_REG_SPM_CTL]	= 0x30,
@@ -213,6 +242,10 @@  static const struct of_device_id spm_match_table[] = {
 	  .data = &spm_reg_8916_cpu },
 	{ .compatible = "qcom,msm8974-saw2-v2.1-cpu",
 	  .data = &spm_reg_8974_8084_cpu },
+	{ .compatible = "qcom,msm8976-gold-saw2-v2.3-l2",
+	  .data = &spm_reg_8976_gold_l2 },
+	{ .compatible = "qcom,msm8976-silver-saw2-v2.3-l2",
+	  .data = &spm_reg_8976_silver_l2 },
 	{ .compatible = "qcom,msm8998-gold-saw2-v4.1-l2",
 	  .data = &spm_reg_8998_gold_l2 },
 	{ .compatible = "qcom,msm8998-silver-saw2-v4.1-l2",