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clk: qcom: Add MSM8916 gpu clocks

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Add support for the msm8916 BIMC (Bus Integrated Memory Controller)
clocks that are needed for GPU.

Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This commit is contained in:
Georgi Djakov 2015-09-17 19:39:28 +03:00 committed by Stephen Boyd
parent d042877aa7
commit a2e8272f3f
2 changed files with 64 additions and 0 deletions
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61
drivers/clk/qcom/gcc-msm8916.c
View File

@ -1083,6 +1083,30 @@ static struct clk_rcg2 apss_tcu_clk_src = {
},
};
static const struct freq_tbl ftbl_gcc_bimc_gpu_clk[] = {
F(19200000, P_XO, 1, 0, 0),
F(100000000, P_GPLL0, 8, 0, 0),
F(200000000, P_GPLL0, 4, 0, 0),
F(266500000, P_BIMC, 4, 0, 0),
F(400000000, P_GPLL0, 2, 0, 0),
F(533000000, P_BIMC, 2, 0, 0),
{ }
};
static struct clk_rcg2 bimc_gpu_clk_src = {
.cmd_rcgr = 0x31028,
.hid_width = 5,
.parent_map = gcc_xo_gpll0_bimc_map,
.freq_tbl = ftbl_gcc_bimc_gpu_clk,
.clkr.hw.init = &(struct clk_init_data){
.name = "bimc_gpu_clk_src",
.parent_names = gcc_xo_gpll0_bimc,
.num_parents = 3,
.flags = CLK_GET_RATE_NOCACHE,
.ops = &clk_rcg2_shared_ops,
},
};
static const struct freq_tbl ftbl_gcc_usb_hs_system_clk[] = {
F(80000000, P_GPLL0, 10, 0, 0),
{ }
@ -2409,6 +2433,40 @@ static struct clk_branch gcc_gtcu_ahb_clk = {
},
};
static struct clk_branch gcc_bimc_gfx_clk = {
.halt_reg = 0x31024,
.clkr = {
.enable_reg = 0x31024,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "gcc_bimc_gfx_clk",
.parent_names = (const char *[]){
"bimc_gpu_clk_src",
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch gcc_bimc_gpu_clk = {
.halt_reg = 0x31040,
.clkr = {
.enable_reg = 0x31040,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "gcc_bimc_gpu_clk",
.parent_names = (const char *[]){
"bimc_gpu_clk_src",
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch gcc_jpeg_tbu_clk = {
.halt_reg = 0x12034,
.clkr = {
@ -2778,6 +2836,9 @@ static struct clk_regmap *gcc_msm8916_clocks[] = {
[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,
[BIMC_GPU_CLK_SRC] = &bimc_gpu_clk_src.clkr,
[GCC_BIMC_GFX_CLK] = &gcc_bimc_gfx_clk.clkr,
[GCC_BIMC_GPU_CLK] = &gcc_bimc_gpu_clk.clkr,
};
static struct gdsc *gcc_msm8916_gdscs[] = {

3
include/dt-bindings/clock/qcom,gcc-msm8916.h
View File

@ -155,6 +155,9 @@
#define BIMC_DDR_CLK_SRC 138
#define GCC_APSS_TCU_CLK 139
#define GCC_GFX_TCU_CLK 140
#define BIMC_GPU_CLK_SRC 141
#define GCC_BIMC_GFX_CLK 142
#define GCC_BIMC_GPU_CLK 143
/* Indexes for GDSCs */
#define BIMC_GDSC 0