interconnect: qcom: sc8180x: Drop IP0 interconnects

Similar to the sdx55 and sc7180, let's drop the MASTER_IPA_CORE and
SLAVE_IPA_CORE interconnects for this platofm. There are no actual users
of this intercoonect. The IP0 resource will be handled by clk-rpmh
driver.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230109002935.244320-7-dmitry.baryshkov@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>

drivers/interconnect/core.c

@@ -1081,6 +1081,7 @@ EXPORT_SYMBOL_GPL(icc_provider_del);
 
 static const struct of_device_id __maybe_unused ignore_list[] = {
 	{ .compatible = "qcom,sc7180-ipa-virt" },
+	{ .compatible = "qcom,sc8180x-ipa-virt" },
 	{ .compatible = "qcom,sdx55-ipa-virt" },
 	{ .compatible = "qcom,sm8150-ipa-virt" },
 	{ .compatible = "qcom,sm8250-ipa-virt" },

drivers/interconnect/qcom/sc8180x.c

@@ -469,15 +469,6 @@ static struct qcom_icc_node mas_qxm_ecc = {
 	.links = { SC8180X_SLAVE_LLCC }
 };
 
-static struct qcom_icc_node mas_ipa_core_master = {
-	.name = "mas_ipa_core_master",
-	.id = SC8180X_MASTER_IPA_CORE,
-	.channels = 1,
-	.buswidth = 8,
-	.num_links = 1,
-	.links = { SC8180X_SLAVE_IPA_CORE }
-};
-
 static struct qcom_icc_node mas_llcc_mc = {
 	.name = "mas_llcc_mc",
 	.id = SC8180X_MASTER_LLCC,
@@ -1201,13 +1192,6 @@ static struct qcom_icc_node slv_srvc_gemnoc1 = {
 	.buswidth = 4
 };
 
-static struct qcom_icc_node slv_ipa_core_slave = {
-	.name = "slv_ipa_core_slave",
-	.id = SC8180X_SLAVE_IPA_CORE,
-	.channels = 1,
-	.buswidth = 8
-};
-
 static struct qcom_icc_node slv_ebi = {
 	.name = "slv_ebi",
 	.id = SC8180X_SLAVE_EBI_CH0,
@@ -1524,11 +1508,6 @@ static struct qcom_icc_bcm bcm_co2 = {
 	.nodes = { &mas_qnm_npu }
 };
 
-static struct qcom_icc_bcm bcm_ip0 = {
-	.name = "IP0",
-	.nodes = { &slv_ipa_core_slave }
-};
-
 static struct qcom_icc_bcm bcm_sn3 = {
 	.name = "SN3",
 	.keepalive = true,
@@ -1604,10 +1583,6 @@ static struct qcom_icc_bcm * const gem_noc_bcms[] = {
 	&bcm_sh3,
 };
 
-static struct qcom_icc_bcm * const ipa_virt_bcms[] = {
-	&bcm_ip0,
-};
-
 static struct qcom_icc_bcm * const mc_virt_bcms[] = {
 	&bcm_mc0,
 	&bcm_acv,
@@ -1766,11 +1741,6 @@ static struct qcom_icc_node * const gem_noc_nodes[] = {
 	[SLAVE_SERVICE_GEM_NOC_1] = &slv_srvc_gemnoc1,
 };
 
-static struct qcom_icc_node * const ipa_virt_nodes[] = {
-	[MASTER_IPA_CORE] = &mas_ipa_core_master,
-	[SLAVE_IPA_CORE] = &slv_ipa_core_slave,
-};
-
 static struct qcom_icc_node * const mc_virt_nodes[] = {
 	[MASTER_LLCC] = &mas_llcc_mc,
 	[SLAVE_EBI_CH0] = &slv_ebi,
@@ -1857,13 +1827,6 @@ static const struct qcom_icc_desc sc8180x_gem_noc  = {
 	.num_bcms = ARRAY_SIZE(gem_noc_bcms),
 };
 
-static const struct qcom_icc_desc sc8180x_ipa_virt  = {
-	.nodes = ipa_virt_nodes,
-	.num_nodes = ARRAY_SIZE(ipa_virt_nodes),
-	.bcms = ipa_virt_bcms,
-	.num_bcms = ARRAY_SIZE(ipa_virt_bcms),
-};
-
 static const struct qcom_icc_desc sc8180x_mc_virt  = {
 	.nodes = mc_virt_nodes,
 	.num_nodes = ARRAY_SIZE(mc_virt_nodes),
@@ -1913,7 +1876,6 @@ static const struct of_device_id qnoc_of_match[] = {
 	{ .compatible = "qcom,sc8180x-config-noc", .data = &sc8180x_config_noc },
 	{ .compatible = "qcom,sc8180x-dc-noc", .data = &sc8180x_dc_noc },
 	{ .compatible = "qcom,sc8180x-gem-noc", .data = &sc8180x_gem_noc },
-	{ .compatible = "qcom,sc8180x-ipa-virt", .data = &sc8180x_ipa_virt },
 	{ .compatible = "qcom,sc8180x-mc-virt", .data = &sc8180x_mc_virt },
 	{ .compatible = "qcom,sc8180x-mmss-noc", .data = &sc8180x_mmss_noc },
 	{ .compatible = "qcom,sc8180x-qup-virt", .data = &sc8180x_qup_virt },

drivers/interconnect/qcom/sc8180x.h

@@ -51,7 +51,7 @@
 #define SC8180X_MASTER_SNOC_GC_MEM_NOC		41
 #define SC8180X_MASTER_SNOC_SF_MEM_NOC		42
 #define SC8180X_MASTER_ECC			43
-#define SC8180X_MASTER_IPA_CORE			44
+/* 44 was used by MASTER_IPA_CORE, now represented as RPMh clock */
 #define SC8180X_MASTER_LLCC			45
 #define SC8180X_MASTER_CNOC_MNOC_CFG		46
 #define SC8180X_MASTER_CAMNOC_HF0		47
@@ -146,7 +146,7 @@
 #define SC8180X_SLAVE_LLCC			136
 #define SC8180X_SLAVE_SERVICE_GEM_NOC		137
 #define SC8180X_SLAVE_SERVICE_GEM_NOC_1		138
-#define SC8180X_SLAVE_IPA_CORE			139
+/* 139 was used by SLAVE_IPA_CORE, now represented as RPMh clock */
 #define SC8180X_SLAVE_EBI_CH0			140
 #define SC8180X_SLAVE_MNOC_SF_MEM_NOC		141
 #define SC8180X_SLAVE_MNOC_HF_MEM_NOC		142