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SubjectRe: [PATCH] clk: qcom: gcc-qcs404: Add CDSP related clocks and resets
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Hello Bjorn,

I believe on few board variants these clocks could be protected and
would be added to protected-clocks list?

On 3/6/2019 11:21 AM, Bjorn Andersson wrote:
> Add the clocks and resets need in order to control the Turing
> remoteproc.
>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> ---
> drivers/clk/qcom/gcc-qcs404.c | 90 +++++++++++++++++++++
> include/dt-bindings/clock/qcom,gcc-qcs404.h | 5 ++
> 2 files changed, 95 insertions(+)
>
> diff --git a/drivers/clk/qcom/gcc-qcs404.c b/drivers/clk/qcom/gcc-qcs404.c
> index 5a62f64ada93..a54807eb3b28 100644
> --- a/drivers/clk/qcom/gcc-qcs404.c
> +++ b/drivers/clk/qcom/gcc-qcs404.c
> @@ -260,6 +260,20 @@ static const char * const gcc_parent_names_15[] = {
> "core_bi_pll_test_se",
> };
>
> +static const struct parent_map gcc_parent_map_16[] = {
> + { P_XO, 0 },
> + { P_GPLL0_OUT_MAIN, 1 },
> + { P_GPLL0_OUT_AUX, 2 },
> + { P_CORE_BI_PLL_TEST_SE, 7 },
> +};
> +
> +static const char * const gcc_parent_names_16[] = {
> + "cxo",
> + "gpll0_out_main",
> + "gpll0_out_aux",
> + "core_bi_pll_test_se",
> +};
> +
> static struct clk_fixed_factor cxo = {
> .mult = 1,
> .div = 1,
> @@ -1194,6 +1208,28 @@ static struct clk_rcg2 vsync_clk_src = {
> },
> };
>
> +static const struct freq_tbl ftbl_cdsp_bimc_clk_src[] = {
> + F(19200000, P_XO, 1, 0, 0),
> + F(133333333, P_GPLL0_OUT_MAIN, 6, 0, 0),
> + F(266666667, P_GPLL0_OUT_MAIN, 3, 0, 0),
> + F(320000000, P_GPLL0_OUT_MAIN, 2.5, 0, 0),
> + { }
> +};
> +
> +static struct clk_rcg2 cdsp_bimc_clk_src = {
> + .cmd_rcgr = 0x5e010,
> + .mnd_width = 0,
> + .hid_width = 5,
> + .parent_map = gcc_parent_map_16,
> + .freq_tbl = ftbl_cdsp_bimc_clk_src,
> + .clkr.hw.init = &(struct clk_init_data) {
> + .name = "cdsp_bimc_clk_src",
> + .parent_names = gcc_parent_names_16,
> + .num_parents = 4,
> + .ops = &clk_rcg2_ops,
> + },
> +};
> +
> static struct clk_branch gcc_apss_ahb_clk = {
> .halt_reg = 0x4601c,
> .halt_check = BRANCH_HALT_VOTED,
> @@ -1255,6 +1291,24 @@ static struct clk_branch gcc_bimc_gpu_clk = {
> },
> };
>
> +static struct clk_branch gcc_bimc_cdsp_clk = {
> + .halt_reg = 0x31030,
> + .halt_check = BRANCH_HALT,
> + .clkr = {
> + .enable_reg = 0x31030,
> + .enable_mask = BIT(0),
> + .hw.init = &(struct clk_init_data) {
> + .name = "gcc_bimc_cdsp_clk",
> + .parent_names = (const char *[]) {
> + "cdsp_bimc_clk_src",
> + },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + .ops = &clk_branch2_ops,
> + },
> + },
> +};
> +
> static struct clk_branch gcc_bimc_mdss_clk = {
> .halt_reg = 0x31038,
> .halt_check = BRANCH_HALT,
> @@ -1792,6 +1846,24 @@ static struct clk_branch gcc_gfx_tbu_clk = {
> },
> };
>
> +static struct clk_branch gcc_cdsp_tbu_clk = {
> + .halt_reg = 0x1203c,
> + .halt_check = BRANCH_VOTED,
> + .clkr = {
> + .enable_reg = 0x13020,
> + .enable_mask = BIT(9),
> + .hw.init = &(struct clk_init_data) {
> + .name = "gcc_cdsp_tbu_clk",
> + .parent_names = (const char *[]) {
> + "cdsp_bimc_clk_src",
> + },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + .ops = &clk_branch2_ops,
> + },
> + },
> +};
> +
> static struct clk_branch gcc_gp1_clk = {
> .halt_reg = 0x8000,
> .halt_check = BRANCH_HALT,
> @@ -2304,6 +2376,19 @@ static struct clk_branch gcc_sdcc1_ice_core_clk = {
> },
> };
>
> +static struct clk_branch gcc_cdsp_cfg_ahb_clk = {
> + .halt_reg = 0x5e004,
> + .halt_check = BRANCH_HALT,
> + .clkr = {
> + .enable_reg = 0x5e004,
> + .enable_mask = BIT(0),
> + .hw.init = &(struct clk_init_data) {
> + .name = "gcc_cdsp_cfg_ahb_cbcr",
> + .ops = &clk_branch2_ops,
> + },
> + },
> +};
> +
> static struct clk_branch gcc_sdcc2_ahb_clk = {
> .halt_reg = 0x4301c,
> .halt_check = BRANCH_HALT,
> @@ -2548,6 +2633,7 @@ static struct clk_regmap *gcc_qcs404_clocks[] = {
> [GCC_ESC0_CLK_SRC] = &esc0_clk_src.clkr,
> [GCC_APSS_AHB_CLK] = &gcc_apss_ahb_clk.clkr,
> [GCC_BIMC_GFX_CLK] = &gcc_bimc_gfx_clk.clkr,
> + [GCC_BIMC_CDSP_CLK] = &gcc_bimc_cdsp_clk.clkr,
> [GCC_BIMC_MDSS_CLK] = &gcc_bimc_mdss_clk.clkr,
> [GCC_BLSP1_AHB_CLK] = &gcc_blsp1_ahb_clk.clkr,
> [GCC_BLSP1_QUP0_I2C_APPS_CLK] = &gcc_blsp1_qup0_i2c_apps_clk.clkr,
> @@ -2605,6 +2691,7 @@ static struct clk_regmap *gcc_qcs404_clocks[] = {
> [GCC_SDCC1_AHB_CLK] = &gcc_sdcc1_ahb_clk.clkr,
> [GCC_SDCC1_APPS_CLK] = &gcc_sdcc1_apps_clk.clkr,
> [GCC_SDCC1_ICE_CORE_CLK] = &gcc_sdcc1_ice_core_clk.clkr,
> + [GCC_CDSP_CFG_AHB_CLK] = &gcc_cdsp_cfg_ahb_clk.clkr,
> [GCC_SDCC2_AHB_CLK] = &gcc_sdcc2_ahb_clk.clkr,
> [GCC_SDCC2_APPS_CLK] = &gcc_sdcc2_apps_clk.clkr,
> [GCC_SYS_NOC_USB3_CLK] = &gcc_sys_noc_usb3_clk.clkr,
> @@ -2645,6 +2732,7 @@ static struct clk_regmap *gcc_qcs404_clocks[] = {
> [GCC_USB3_PHY_AUX_CLK_SRC] = &usb3_phy_aux_clk_src.clkr,
> [GCC_USB_HS_SYSTEM_CLK_SRC] = &usb_hs_system_clk_src.clkr,
> [GCC_VSYNC_CLK_SRC] = &vsync_clk_src.clkr,
> + [GCC_CDSP_BIMC_CLK_SRC] = &cdsp_bimc_clk_src.clkr,
> [GCC_USB_HS_INACTIVITY_TIMERS_CLK] =
> &gcc_usb_hs_inactivity_timers_clk.clkr,
> [GCC_BIMC_GPU_CLK] = &gcc_bimc_gpu_clk.clkr,
> @@ -2653,6 +2741,7 @@ static struct clk_regmap *gcc_qcs404_clocks[] = {
> [GCC_GFX_TBU_CLK] = &gcc_gfx_tbu_clk.clkr,
> [GCC_SMMU_CFG_CLK] = &gcc_smmu_cfg_clk.clkr,
> [GCC_APSS_TCU_CLK] = &gcc_apss_tcu_clk.clkr,
> + [GCC_CDSP_TBU_CLK] = &gcc_cdsp_tbu_clk.clkr,
> [GCC_CRYPTO_AHB_CLK] = &gcc_crypto_ahb_clk.clkr,
> [GCC_CRYPTO_AXI_CLK] = &gcc_crypto_axi_clk.clkr,
> [GCC_CRYPTO_CLK] = &gcc_crypto_clk.clkr,
> @@ -2664,6 +2753,7 @@ static struct clk_regmap *gcc_qcs404_clocks[] = {
>
> static const struct qcom_reset_map gcc_qcs404_resets[] = {
> [GCC_GENI_IR_BCR] = { 0x0F000 },
> + [GCC_CDSP_RESTART] = { 0x18000 },
> [GCC_USB_HS_BCR] = { 0x41000 },
> [GCC_USB2_HS_PHY_ONLY_BCR] = { 0x41034 },
> [GCC_QUSB2_PHY_BCR] = { 0x4103c },
> diff --git a/include/dt-bindings/clock/qcom,gcc-qcs404.h b/include/dt-bindings/clock/qcom,gcc-qcs404.h
> index 6ceb55ed72c6..454b3f43f538 100644
> --- a/include/dt-bindings/clock/qcom,gcc-qcs404.h
> +++ b/include/dt-bindings/clock/qcom,gcc-qcs404.h
> @@ -146,6 +146,10 @@
> #define GCC_MDP_TBU_CLK 138
> #define GCC_QDSS_DAP_CLK 139
> #define GCC_DCC_XO_CLK 140
> +#define GCC_CDSP_CFG_AHB_CLK 143
> +#define GCC_BIMC_CDSP_CLK 144
> +#define GCC_CDSP_TBU_CLK 145
> +#define GCC_CDSP_BIMC_CLK_SRC 146
>
> #define GCC_GENI_IR_BCR 0
> #define GCC_USB_HS_BCR 1
> @@ -161,5 +165,6 @@
> #define GCC_PCIE_0_LINK_DOWN_BCR 11
> #define GCC_PCIEPHY_0_PHY_BCR 12
> #define GCC_EMAC_BCR 13
> +#define GCC_CDSP_RESTART 14
>
> #endif
>

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