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authorGeorgi Djakov <georgi.djakov@linaro.org>2015-09-17 19:39:26 +0300
committerStephen Boyd <sboyd@codeaurora.org>2015-09-17 22:29:06 +0300
commit93e71695daa654918fbe5b768cd8c5bca677df0c (patch)
treeacdb4f7759966a30eb58f74f5c2cde1d0293c17e /drivers/clk/qcom/gcc-msm8916.c
parentab5c342992cac7d1ddaf8a75a4dcab0d13718022 (diff)
downloadlinux-93e71695daa654918fbe5b768cd8c5bca677df0c.tar.xz
clk: qcom: Add MSM8916 iommu clocks
Add support for the msm8916 TCU (Translation Control Unit) clocks that are needed for IOMMU. Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'drivers/clk/qcom/gcc-msm8916.c')
-rw-r--r--drivers/clk/qcom/gcc-msm8916.c48
1 files changed, 48 insertions, 0 deletions
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[] = {