Add support for the msm8916 TCU (Translation Control Unit) clocks that
are needed for IOMMU.
Signed-off-by: Georgi Djakov <georgi.djakov@xxxxxxxxxx>
---
drivers/clk/qcom/gcc-msm8916.c | 48 ++++++++++++++++++++++++++
include/dt-bindings/clock/qcom,gcc-msm8916.h | 3 ++
2 files changed, 51 insertions(+)
diff --git a/drivers/clk/qcom/gcc-msm8916.c b/drivers/clk/qcom/gcc-msm8916.c
index 83871b663e21..ad9316751eb2 100644
--- a/drivers/clk/qcom/gcc-msm8916.c
+++ b/drivers/clk/qcom/gcc-msm8916.c
@@ -2347,6 +2347,51 @@ static struct clk_branch gcc_sdcc2_apps_clk = {
},
};
+static struct clk_rcg2 bimc_ddr_clk_src = {
+ .cmd_rcgr = 0x32004,
+ .hid_width = 5,
+ .parent_map = gcc_xo_gpll0_bimc_map,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "bimc_ddr_clk_src",
+ .parent_names = gcc_xo_gpll0_bimc,
+ .num_parents = 3,
+ .ops = &clk_rcg2_ops,
+ .flags = CLK_GET_RATE_NOCACHE,
+ },
+};
+
+static struct clk_branch gcc_apss_tcu_clk = {
+ .halt_reg = 0x12018,
+ .clkr = {
+ .enable_reg = 0x4500c,
+ .enable_mask = BIT(1),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_apss_tcu_clk",
+ .parent_names = (const char *[]){
+ "bimc_ddr_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gcc_gfx_tcu_clk = {
+ .halt_reg = 0x12020,
+ .clkr = {
+ .enable_reg = 0x4500c,
+ .enable_mask = BIT(2),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_gfx_tcu_clk",
+ .parent_names = (const char *[]){
+ "bimc_ddr_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
static struct clk_branch gcc_gtcu_ahb_clk = {
.halt_reg = 0x12044,
.clkr = {
@@ -2730,6 +2775,9 @@ static struct clk_regmap *gcc_msm8916_clocks[] = {
[GCC_VENUS0_AHB_CLK] = &gcc_venus0_ahb_clk.clkr,
[GCC_VENUS0_AXI_CLK] = &gcc_venus0_axi_clk.clkr,
[GCC_VENUS0_VCODEC0_CLK] = &gcc_venus0_vcodec0_clk.clkr,
+ [BIMC_DDR_CLK_SRC] = &bimc_ddr_clk_src.clkr,
+ [GCC_APSS_TCU_CLK] = &gcc_apss_tcu_clk.clkr,
+ [GCC_GFX_TCU_CLK] = &gcc_gfx_tcu_clk.clkr,
};
static struct gdsc *gcc_msm8916_gdscs[] = {
diff --git a/include/dt-bindings/clock/qcom,gcc-msm8916.h b/include/dt-bindings/clock/qcom,gcc-msm8916.h
index 11566c567356..9169ae656c77 100644
--- a/include/dt-bindings/clock/qcom,gcc-msm8916.h
+++ b/include/dt-bindings/clock/qcom,gcc-msm8916.h
@@ -152,6 +152,9 @@
#define GCC_VENUS0_AHB_CLK 135
#define GCC_VENUS0_AXI_CLK 136
#define GCC_VENUS0_VCODEC0_CLK 137
+#define BIMC_DDR_CLK_SRC 138
+#define GCC_APSS_TCU_CLK 139
+#define GCC_GFX_TCU_CLK 140
/* Indexes for GDSCs */
#define BIMC_GDSC 0
--
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