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Message-Id: <1439477317-1902-4-git-send-email-georgi.djakov@linaro.org>
Date: Thu, 13 Aug 2015 17:48:36 +0300
From: Georgi Djakov <georgi.djakov@...aro.org>
To: sboyd@...eaurora.org
Cc: mturquette@...libre.com, linux-clk@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
georgi.djakov@...aro.org
Subject: [PATCH v3 3/4] 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 <georgi.djakov@...aro.org>
---
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 83b7df476453..9a3e3504502a 100644
--- a/drivers/clk/qcom/gcc-msm8916.c
+++ b/drivers/clk/qcom/gcc-msm8916.c
@@ -1094,6 +1094,30 @@ 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),
{ }
@@ -2420,6 +2444,40 @@ 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 = {
@@ -2749,6 +2807,9 @@ 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 const struct qcom_reset_map gcc_msm8916_resets[] = {
diff --git a/include/dt-bindings/clock/qcom,gcc-msm8916.h b/include/dt-bindings/clock/qcom,gcc-msm8916.h
index 53b39293d759..d54a9715c37e 100644
--- a/include/dt-bindings/clock/qcom,gcc-msm8916.h
+++ b/include/dt-bindings/clock/qcom,gcc-msm8916.h
@@ -155,5 +155,8 @@
#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
#endif
--
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