i.MX8QXP contains Hifi4 DSP. There are four clocks associated with DSP: * dsp_lpcg_core_clk * dsp_lpcg_ipg_clk * dsp_lpcg_adb_aclk * ocram_lpcg_ipg_clk

Signed-off-by: Daniel Baluta daniel.baluta@nxp.com Reviewed-by: Dong Aisheng aisheng.dong@nxp.com --- drivers/clk/imx/clk-imx8qxp-lpcg.c | 5 +++++ include/dt-bindings/clock/imx8-clock.h | 6 +++++- 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/imx/clk-imx8qxp-lpcg.c b/drivers/clk/imx/clk-imx8qxp-lpcg.c index fb6edf1b8aa2..c0aff7ca6374 100644 --- a/drivers/clk/imx/clk-imx8qxp-lpcg.c +++ b/drivers/clk/imx/clk-imx8qxp-lpcg.c @@ -72,6 +72,11 @@ static const struct imx8qxp_lpcg_data imx8qxp_lpcg_adma[] = { { IMX_ADMA_LPCG_I2C2_CLK, "i2c2_lpcg_clk", "i2c2_clk", 0, ADMA_LPI2C_2_LPCG, 0, 0, }, { IMX_ADMA_LPCG_I2C3_IPG_CLK, "i2c3_lpcg_ipg_clk", "dma_ipg_clk_root", 0, ADMA_LPI2C_3_LPCG, 16, 0, }, { IMX_ADMA_LPCG_I2C3_CLK, "i2c3_lpcg_clk", "i2c3_clk", 0, ADMA_LPI2C_3_LPCG, 0, 0, }, + + { IMX_ADMA_LPCG_DSP_CORE_CLK, "dsp_lpcg_core_clk", "dma_ipg_clk_root", 0, ADMA_HIFI_LPCG, 28, 0, }, + { IMX_ADMA_LPCG_DSP_IPG_CLK, "dsp_lpcg_ipg_clk", "dma_ipg_clk_root", 0, ADMA_HIFI_LPCG, 20, 0, }, + { IMX_ADMA_LPCG_DSP_ADB_CLK, "dsp_lpcg_adb_clk", "dma_ipg_clk_root", 0, ADMA_HIFI_LPCG, 16, 0, }, + { IMX_ADMA_LPCG_OCRAM_IPG_CLK, "ocram_lpcg_ipg_clk", "dma_ipg_clk_root", 0, ADMA_OCRAM_LPCG, 16, 0, }, };

static const struct imx8qxp_ss_lpcg imx8qxp_ss_adma = { diff --git a/include/dt-bindings/clock/imx8-clock.h b/include/dt-bindings/clock/imx8-clock.h index 4236818e3be5..673a8c662340 100644 --- a/include/dt-bindings/clock/imx8-clock.h +++ b/include/dt-bindings/clock/imx8-clock.h @@ -283,7 +283,11 @@ #define IMX_ADMA_LPCG_PWM_IPG_CLK 38 #define IMX_ADMA_LPCG_LCD_PIX_CLK 39 #define IMX_ADMA_LPCG_LCD_APB_CLK 40 +#define IMX_ADMA_LPCG_DSP_ADB_CLK 41 +#define IMX_ADMA_LPCG_DSP_IPG_CLK 42 +#define IMX_ADMA_LPCG_DSP_CORE_CLK 43 +#define IMX_ADMA_LPCG_OCRAM_IPG_CLK 44

-#define IMX_ADMA_LPCG_CLK_END 41 +#define IMX_ADMA_LPCG_CLK_END 45

#endif /* __DT_BINDINGS_CLOCK_IMX_H */

This includes DSP reserved memory, ADMA DSP device and DSP MU communication channels description.

Signed-off-by: Daniel Baluta daniel.baluta@nxp.com --- arch/arm64/boot/dts/freescale/imx8qxp-mek.dts | 4 +++ arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 32 +++++++++++++++++++ 2 files changed, 36 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts index bfdada2db176..19468058e6ae 100644 --- a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts +++ b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts @@ -230,3 +230,7 @@ >; }; }; + +&adma_dsp { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi index 05fa0b7f36bb..6a4efb1f0fa2 100644 --- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi @@ -113,6 +113,17 @@ interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>; };

+ reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + dsp_reserved: dsp@92400000 { + reg = <0 0x92400000 0 0x2000000>; + no-map; + }; + }; + pmu { compatible = "arm,armv8-pmuv3"; interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>; @@ -204,6 +215,27 @@ #clock-cells = <1>; };

+ adma_dsp: dsp@596e8000 { + compatible = "fsl,imx8qxp-dsp"; + reg = <0x596e8000 0x88000>; + clocks = <&adma_lpcg IMX_ADMA_LPCG_DSP_IPG_CLK>, + <&adma_lpcg IMX_ADMA_LPCG_OCRAM_IPG_CLK>, + <&adma_lpcg IMX_ADMA_LPCG_DSP_CORE_CLK>; + clock-names = "ipg", "ocram", "core"; + power-domains = <&pd IMX_SC_R_MU_13A>, + <&pd IMX_SC_R_MU_13B>, + <&pd IMX_SC_R_DSP>, + <&pd IMX_SC_R_DSP_RAM>; + mbox-names = "txdb0", "txdb1", + "rxdb0", "rxdb1"; + mboxes = <&lsio_mu13 2 0>, + <&lsio_mu13 2 1>, + <&lsio_mu13 3 0>, + <&lsio_mu13 3 1>; + reserved-region = <&dsp_reserved>; + status = "disabled"; + }; + adma_lpuart0: serial@5a060000 { compatible = "fsl,imx8qxp-lpuart", "fsl,imx7ulp-lpuart"; reg = <0x5a060000 0x1000>;