diff options
author | Georgi Djakov <georgi.djakov@linaro.org> | 2015-09-17 19:39:26 +0300 |
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committer | Stephen Boyd <sboyd@codeaurora.org> | 2015-09-17 12:29:06 -0700 |
commit | 93e71695daa654918fbe5b768cd8c5bca677df0c (patch) | |
tree | acdb4f7759966a30eb58f74f5c2cde1d0293c17e /drivers/clk/qcom | |
parent | ab5c342992cac7d1ddaf8a75a4dcab0d13718022 (diff) | |
download | linux-93e71695daa654918fbe5b768cd8c5bca677df0c.tar.bz2 |
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')
-rw-r--r-- | drivers/clk/qcom/gcc-msm8916.c | 48 |
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[] = { |