From a2e8272f3f898bedfc78e20b373a9d7356e16608 Mon Sep 17 00:00:00 2001 From: Georgi Djakov Date: Thu, 17 Sep 2015 19:39:28 +0300 Subject: [PATCH] clk: qcom: Add MSM8916 gpu clocks Add support for the msm8916 BIMC (Bus Integrated Memory Controller) clocks that are needed for GPU. Signed-off-by: Georgi Djakov Signed-off-by: Stephen Boyd --- drivers/clk/qcom/gcc-msm8916.c | 61 ++++++++++++++++++++ include/dt-bindings/clock/qcom,gcc-msm8916.h | 3 + 2 files changed, 64 insertions(+) diff --git a/drivers/clk/qcom/gcc-msm8916.c b/drivers/clk/qcom/gcc-msm8916.c index ad9316751eb2..bd87a3e2cbeb 100644 --- a/drivers/clk/qcom/gcc-msm8916.c +++ b/drivers/clk/qcom/gcc-msm8916.c @@ -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[] = { diff --git a/include/dt-bindings/clock/qcom,gcc-msm8916.h b/include/dt-bindings/clock/qcom,gcc-msm8916.h index 9169ae656c77..d21501bb3d52 100644 --- a/include/dt-bindings/clock/qcom,gcc-msm8916.h +++ b/include/dt-bindings/clock/qcom,gcc-msm8916.h @@ -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 -- 2.30.2