Allow a consumer driver to poll for cx gdsc collapse through Reset
framework.
Signed-off-by: Akhil P Oommen <quic_akhi...@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
---
(no changes since v3)
Changes in v3:
- Convert 'struct qcom_reset_ops cx_gdsc_reset' to 'static const' (Krzysztof)
Changes in v2:
- Minor update to use the updated custom reset ops implementation
drivers/clk/qcom/gpucc-sc7280.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/clk/qcom/gpucc-sc7280.c b/drivers/clk/qcom/gpucc-sc7280.c
index 9a832f2..fece3f4 100644
--- a/drivers/clk/qcom/gpucc-sc7280.c
+++ b/drivers/clk/qcom/gpucc-sc7280.c
@@ -433,12 +433,22 @@ static const struct regmap_config
gpu_cc_sc7280_regmap_config = {
.fast_io = true,
};
+static const struct qcom_reset_ops cx_gdsc_reset = {
+ .reset = gdsc_wait_for_collapse,
+};
+
+static const struct qcom_reset_map gpucc_sc7280_resets[] = {
+ [GPU_CX_COLLAPSE] = { .ops = &cx_gdsc_reset, .priv = &cx_gdsc },
+};
+
static const struct qcom_cc_desc gpu_cc_sc7280_desc = {
.config = &gpu_cc_sc7280_regmap_config,
.clks = gpu_cc_sc7280_clocks,
.num_clks = ARRAY_SIZE(gpu_cc_sc7280_clocks),
.gdscs = gpu_cc_sc7180_gdscs,
.num_gdscs = ARRAY_SIZE(gpu_cc_sc7180_gdscs),
+ .resets = gpucc_sc7280_resets,
+ .num_resets = ARRAY_SIZE(gpucc_sc7280_resets),
};
static const struct of_device_id gpu_cc_sc7280_match_table[] = {
--
2.7.4
