Re: [PATCH 2/4] clk: qcom: gcc: Add support for Global Clock controller found on MSM8940

Barnabás Czémán
2025-11-17T08:51:08Z

On 17 November 2025 09:03:53 CET, Taniya Das <taniya.das@oss.qualcomm.com> wrote:
>
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>On 11/17/2025 3:05 AM, Barnabás Czémán wrote:
>>
>> +static struct clk_branch gcc_ipa_tbu_clk = {
>> + .halt_reg = 0x120a0,
>> + .halt_check = BRANCH_VOTED,
>> + .clkr = {
>> + .enable_reg = 0x4500c,
>> + .enable_mask = BIT(16),
>> + .hw.init = &(struct clk_init_data){
>> + .name = "gcc_ipa_tbu_clk",
>> + .ops = &clk_branch2_ops,
>> + },
>> + },
>> +};
>> +
>
>Is the TBU clock used on 8940 by a SMMU driver?
As far as I know no MSM8940 is using same smmu driver and bindings like MSM8937.
>
>> static struct gdsc venus_gdsc = {
>> .gdscr = 0x4c018,
>> .cxcs = (unsigned int []){ 0x4c024, 0x4c01c },
>> @@ -3764,6 +3798,189 @@ static struct clk_regmap *gcc_msm8937_clocks[] = {
>> [GCC_VFE_TBU_CLK] = &gcc_vfe_tbu_clk.clkr,
>> };
>