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clk: msm: clock: Add support for programming the GCC_GPU_IREF_EN register

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Add a new gcc_gpu_iref_clk that the graphics driver can control
as needed. The default state of the clock is ON; so having this
control will mean saving current.

CRs-Fixed: 1024948
Change-Id: I562bb546f49b1605f20fb7d705f40584d190230b
Signed-off-by: Deepak Katragadda <dkatraga@codeaurora.org>
This commit is contained in:
Deepak Katragadda 2016-06-06 14:28:28 -07:00 • committed by Kyle Yan
parent 1cdd0691fe
commit 31bcecd1a2
3 changed files with 14 additions and 0 deletions
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12
drivers/clk/msm/clock-gcc-cobalt.c
View file

@ -1683,6 +1683,17 @@ static struct branch_clk gcc_gpu_snoc_dvm_gfx_clk = {
},
};
static struct branch_clk gcc_gpu_iref_clk = {
.cbcr_reg = GCC_GPU_IREF_EN,
.has_sibling = 1,
.base = &virt_base,
.c = {
.dbg_name = "gcc_gpu_iref_clk",
.ops = &clk_ops_branch,
CLK_INIT(gcc_gpu_iref_clk.c),
},
};
static struct local_vote_clk gcc_bimc_hmss_axi_clk = {
.cbcr_reg = GCC_BIMC_HMSS_AXI_CBCR,
.vote_reg = GCC_APCS_CLOCK_BRANCH_ENA_VOTE,
@ -2645,6 +2656,7 @@ static struct clk_lookup msm_clocks_gcc_cobalt[] = {
CLK_LIST(gcc_gpu_bimc_gfx_src_clk),
CLK_LIST(gcc_gpu_cfg_ahb_clk),
CLK_LIST(gcc_gpu_snoc_dvm_gfx_clk),
CLK_LIST(gcc_gpu_iref_clk),
CLK_LIST(gcc_bimc_hmss_axi_clk),
CLK_LIST(gcc_hmss_ahb_clk),
CLK_LIST(gcc_hmss_dvm_bus_clk),

1
include/dt-bindings/clock/msm-clocks-cobalt.h
View file

@ -199,6 +199,7 @@
#define clk_gcc_gpu_bimc_gfx_src_clk 0x377cb748
#define clk_gcc_bimc_hmss_axi_clk 0x84653931
#define clk_gcc_gpu_cfg_ahb_clk 0x72f20a57
#define clk_gcc_gpu_iref_clk 0xfd82abad
#define clk_gcc_hmss_ahb_clk 0x62818713
#define clk_gcc_hmss_dvm_bus_clk 0x17cc8b53
#define clk_gcc_hmss_rbcpr_clk 0x699183be

1
include/dt-bindings/clock/msm-clocks-hwio-cobalt.h
View file

@ -170,6 +170,7 @@
#define GCC_GPU_BIMC_GFX_SRC_CBCR 0x7100C
#define GCC_GPU_CFG_AHB_CBCR 0x71004
#define GCC_GPU_SNOC_DVM_GFX_CBCR 0x71018
#define GCC_GPU_IREF_EN 0x88010
#define GCC_BIMC_HMSS_AXI_CBCR 0x48004
#define GCC_HMSS_AHB_CBCR 0x48000
#define GCC_HMSS_DVM_BUS_CBCR 0x4808C