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| author | Sibi Sankar <sibis@codeaurora.org> | 2020-09-08 16:29:01 +0300 |
|---|---|---|
| committer | Georgi Djakov <georgi.djakov@linaro.org> | 2020-09-08 16:29:01 +0300 |
| commit | d7e19be60b28a468385db3906b735e080352b7b2 (patch) | |
| tree | 8e648183c93e172b7ac80f83790ba2211004923c /drivers/interconnect | |
| parent | c4877059e0a4b88b59bc208f2608dc489553cf29 (diff) | |
| download | linux-d7e19be60b28a468385db3906b735e080352b7b2.tar.bz2 | |
interconnect: qcom: Add EPSS L3 support on SM8250
Add Epoch Subsystem (EPSS) L3 interconnect provider support on
SM8250 SoCs.
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Link: https://lore.kernel.org/r/20200801123049.32398-6-sibis@codeaurora.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Diffstat (limited to 'drivers/interconnect')
| -rw-r--r-- | drivers/interconnect/qcom/osm-l3.c | 23 | ||||
| -rw-r--r-- | drivers/interconnect/qcom/sm8250.h | 2 |
2 files changed, 25 insertions, 0 deletions
diff --git a/drivers/interconnect/qcom/osm-l3.c b/drivers/interconnect/qcom/osm-l3.c index 27c9ece52efd..cbf4ef04491d 100644 --- a/drivers/interconnect/qcom/osm-l3.c +++ b/drivers/interconnect/qcom/osm-l3.c @@ -17,6 +17,7 @@ #include "sc7180.h" #include "sdm845.h" #include "sm8150.h" +#include "sm8250.h" #define LUT_MAX_ENTRIES 40U #define LUT_SRC GENMASK(31, 30) @@ -29,6 +30,11 @@ #define OSM_REG_FREQ_LUT 0x110 #define OSM_REG_PERF_STATE 0x920 +/* EPSS Register offsets */ +#define EPSS_LUT_ROW_SIZE 4 +#define EPSS_REG_FREQ_LUT 0x100 +#define EPSS_REG_PERF_STATE 0x320 + #define OSM_L3_MAX_LINKS 1 #define to_qcom_provider(_provider) \ @@ -123,6 +129,22 @@ static const struct qcom_icc_desc sm8150_icc_osm_l3 = { .reg_perf_state = OSM_REG_PERF_STATE, }; +DEFINE_QNODE(sm8250_epss_apps_l3, SM8250_MASTER_EPSS_L3_APPS, 32, SM8250_SLAVE_EPSS_L3); +DEFINE_QNODE(sm8250_epss_l3, SM8250_SLAVE_EPSS_L3, 32); + +static struct qcom_icc_node *sm8250_epss_l3_nodes[] = { + [MASTER_EPSS_L3_APPS] = &sm8250_epss_apps_l3, + [SLAVE_EPSS_L3_SHARED] = &sm8250_epss_l3, +}; + +static const struct qcom_icc_desc sm8250_icc_epss_l3 = { + .nodes = sm8250_epss_l3_nodes, + .num_nodes = ARRAY_SIZE(sm8250_epss_l3_nodes), + .lut_row_size = EPSS_LUT_ROW_SIZE, + .reg_freq_lut = EPSS_REG_FREQ_LUT, + .reg_perf_state = EPSS_REG_PERF_STATE, +}; + static int qcom_icc_set(struct icc_node *src, struct icc_node *dst) { struct qcom_osm_l3_icc_provider *qp; @@ -288,6 +310,7 @@ static const struct of_device_id osm_l3_of_match[] = { { .compatible = "qcom,sc7180-osm-l3", .data = &sc7180_icc_osm_l3 }, { .compatible = "qcom,sdm845-osm-l3", .data = &sdm845_icc_osm_l3 }, { .compatible = "qcom,sm8150-osm-l3", .data = &sm8150_icc_osm_l3 }, + { .compatible = "qcom,sm8250-epss-l3", .data = &sm8250_icc_epss_l3 }, { } }; MODULE_DEVICE_TABLE(of, osm_l3_of_match); diff --git a/drivers/interconnect/qcom/sm8250.h b/drivers/interconnect/qcom/sm8250.h index 7eb6c709c30d..b31fb431a20f 100644 --- a/drivers/interconnect/qcom/sm8250.h +++ b/drivers/interconnect/qcom/sm8250.h @@ -158,5 +158,7 @@ #define SM8250_SLAVE_VSENSE_CTRL_CFG 147 #define SM8250_SNOC_CNOC_MAS 148 #define SM8250_SNOC_CNOC_SLV 149 +#define SM8250_MASTER_EPSS_L3_APPS 150 +#define SM8250_SLAVE_EPSS_L3 151 #endif |