From cd268e309c29e9a8b15a47f684d848c1d57fe150 Mon Sep 17 00:00:00 2001 From: David Virag Date: Thu, 2 Jun 2022 01:37:39 +0200 Subject: [PATCH 1/3] dt-bindings: clock: Add bindings for Exynos7885 CMU_FSYS CMU_FSYS clock domain provides clocks for MMC (MMC_CARD, MMC_EMBD, MMC_SDIO), and USB30DRD. Add clock indices and bindings documentation for CMU_FSYS domain. Signed-off-by: David Virag Reviewed-by: Sylwester Nawrocki Reviewed-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20220601233743.56317-2-virag.david003@gmail.com Signed-off-by: Krzysztof Kozlowski --- .../clock/samsung,exynos7885-clock.yaml | 27 ++++++++++++++++ include/dt-bindings/clock/exynos7885.h | 31 ++++++++++++++++++- 2 files changed, 57 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/clock/samsung,exynos7885-clock.yaml b/Documentation/devicetree/bindings/clock/samsung,exynos7885-clock.yaml index 5073e569a47f..006d33a9e0f1 100644 --- a/Documentation/devicetree/bindings/clock/samsung,exynos7885-clock.yaml +++ b/Documentation/devicetree/bindings/clock/samsung,exynos7885-clock.yaml @@ -33,6 +33,7 @@ properties: enum: - samsung,exynos7885-cmu-top - samsung,exynos7885-cmu-core + - samsung,exynos7885-cmu-fsys - samsung,exynos7885-cmu-peri clocks: @@ -88,6 +89,32 @@ allOf: - const: dout_core_cci - const: dout_core_g3d + - if: + properties: + compatible: + contains: + const: samsung,exynos7885-cmu-fsys + + then: + properties: + clocks: + items: + - description: External reference clock (26 MHz) + - description: CMU_FSYS bus clock (from CMU_TOP) + - description: MMC_CARD clock (from CMU_TOP) + - description: MMC_EMBD clock (from CMU_TOP) + - description: MMC_SDIO clock (from CMU_TOP) + - description: USB30DRD clock (from CMU_TOP) + + clock-names: + items: + - const: oscclk + - const: dout_fsys_bus + - const: dout_fsys_mmc_card + - const: dout_fsys_mmc_embd + - const: dout_fsys_mmc_sdio + - const: dout_fsys_usb30drd + - if: properties: compatible: diff --git a/include/dt-bindings/clock/exynos7885.h b/include/dt-bindings/clock/exynos7885.h index 1f8701691d62..d2e1483f93e4 100644 --- a/include/dt-bindings/clock/exynos7885.h +++ b/include/dt-bindings/clock/exynos7885.h @@ -54,7 +54,22 @@ #define CLK_GOUT_PERI_USI0 43 #define CLK_GOUT_PERI_USI1 44 #define CLK_GOUT_PERI_USI2 45 -#define TOP_NR_CLK 46 +#define CLK_MOUT_FSYS_BUS 46 +#define CLK_MOUT_FSYS_MMC_CARD 47 +#define CLK_MOUT_FSYS_MMC_EMBD 48 +#define CLK_MOUT_FSYS_MMC_SDIO 49 +#define CLK_MOUT_FSYS_USB30DRD 50 +#define CLK_DOUT_FSYS_BUS 51 +#define CLK_DOUT_FSYS_MMC_CARD 52 +#define CLK_DOUT_FSYS_MMC_EMBD 53 +#define CLK_DOUT_FSYS_MMC_SDIO 54 +#define CLK_DOUT_FSYS_USB30DRD 55 +#define CLK_GOUT_FSYS_BUS 56 +#define CLK_GOUT_FSYS_MMC_CARD 57 +#define CLK_GOUT_FSYS_MMC_EMBD 58 +#define CLK_GOUT_FSYS_MMC_SDIO 59 +#define CLK_GOUT_FSYS_USB30DRD 60 +#define TOP_NR_CLK 61 /* CMU_CORE */ #define CLK_MOUT_CORE_BUS_USER 1 @@ -112,4 +127,18 @@ #define CLK_GOUT_WDT1_PCLK 43 #define PERI_NR_CLK 44 +/* CMU_FSYS */ +#define CLK_MOUT_FSYS_BUS_USER 1 +#define CLK_MOUT_FSYS_MMC_CARD_USER 2 +#define CLK_MOUT_FSYS_MMC_EMBD_USER 3 +#define CLK_MOUT_FSYS_MMC_SDIO_USER 4 +#define CLK_MOUT_FSYS_USB30DRD_USER 4 +#define CLK_GOUT_MMC_CARD_ACLK 5 +#define CLK_GOUT_MMC_CARD_SDCLKIN 6 +#define CLK_GOUT_MMC_EMBD_ACLK 7 +#define CLK_GOUT_MMC_EMBD_SDCLKIN 8 +#define CLK_GOUT_MMC_SDIO_ACLK 9 +#define CLK_GOUT_MMC_SDIO_SDCLKIN 10 +#define FSYS_NR_CLK 11 + #endif /* _DT_BINDINGS_CLOCK_EXYNOS_7885_H */ From e756e932a3a16418cd8bad757b028bfb337b4a51 Mon Sep 17 00:00:00 2001 From: David Virag Date: Thu, 2 Jun 2022 01:37:40 +0200 Subject: [PATCH 2/3] dt-bindings: clock: Add indices for Exynos7885 TREX clocks TREX D Core and P core clocks seem to be related to the BTS (Bus Traffic Shaper) inside the Exynos7885 SoC, and are needed for the SoC to function correctly. Add indices for these clocks. Signed-off-by: David Virag Reviewed-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20220601233743.56317-3-virag.david003@gmail.com Signed-off-by: Krzysztof Kozlowski --- include/dt-bindings/clock/exynos7885.h | 23 +++++++++++++++-------- 1 file changed, 15 insertions(+), 8 deletions(-) diff --git a/include/dt-bindings/clock/exynos7885.h b/include/dt-bindings/clock/exynos7885.h index d2e1483f93e4..8256e7430b63 100644 --- a/include/dt-bindings/clock/exynos7885.h +++ b/include/dt-bindings/clock/exynos7885.h @@ -72,14 +72,21 @@ #define TOP_NR_CLK 61 /* CMU_CORE */ -#define CLK_MOUT_CORE_BUS_USER 1 -#define CLK_MOUT_CORE_CCI_USER 2 -#define CLK_MOUT_CORE_G3D_USER 3 -#define CLK_MOUT_CORE_GIC 4 -#define CLK_DOUT_CORE_BUSP 5 -#define CLK_GOUT_CCI_ACLK 6 -#define CLK_GOUT_GIC400_CLK 7 -#define CORE_NR_CLK 8 +#define CLK_MOUT_CORE_BUS_USER 1 +#define CLK_MOUT_CORE_CCI_USER 2 +#define CLK_MOUT_CORE_G3D_USER 3 +#define CLK_MOUT_CORE_GIC 4 +#define CLK_DOUT_CORE_BUSP 5 +#define CLK_GOUT_CCI_ACLK 6 +#define CLK_GOUT_GIC400_CLK 7 +#define CLK_GOUT_TREX_D_CORE_ACLK 8 +#define CLK_GOUT_TREX_D_CORE_GCLK 9 +#define CLK_GOUT_TREX_D_CORE_PCLK 10 +#define CLK_GOUT_TREX_P_CORE_ACLK_P_CORE 11 +#define CLK_GOUT_TREX_P_CORE_CCLK_P_CORE 12 +#define CLK_GOUT_TREX_P_CORE_PCLK 13 +#define CLK_GOUT_TREX_P_CORE_PCLK_P_CORE 14 +#define CORE_NR_CLK 15 /* CMU_PERI */ #define CLK_MOUT_PERI_BUS_USER 1 From ced37411d7f597129fecc0c3ca2324f44e33f4c8 Mon Sep 17 00:00:00 2001 From: David Virag Date: Thu, 2 Jun 2022 01:37:43 +0200 Subject: [PATCH 3/3] arm64: dts: exynos: Add internal eMMC support to jackpotlte Add the nodes relevant to provide clocks for Exynos7885 eMMC and to support eMMC. eMMC is the internal storage used in the Samsung Galaxy A8 (2018) (jackpotlte), and all other known devices using the Exynos7885 SoC. Signed-off-by: David Virag Link: https://lore.kernel.org/r/20220601233743.56317-6-virag.david003@gmail.com Signed-off-by: Krzysztof Kozlowski --- .../boot/dts/exynos/exynos7885-jackpotlte.dts | 20 ++++++++++++ arch/arm64/boot/dts/exynos/exynos7885.dtsi | 32 +++++++++++++++++++ 2 files changed, 52 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/exynos7885-jackpotlte.dts b/arch/arm64/boot/dts/exynos/exynos7885-jackpotlte.dts index 4cf9aa25f618..5db9a81ac7bb 100644 --- a/arch/arm64/boot/dts/exynos/exynos7885-jackpotlte.dts +++ b/arch/arm64/boot/dts/exynos/exynos7885-jackpotlte.dts @@ -60,6 +60,26 @@ power-key { }; }; +&mmc_0 { + status = "okay"; + mmc-hs200-1_8v; + mmc-hs400-1_8v; + cap-mmc-highspeed; + non-removable; + mmc-hs400-enhanced-strobe; + card-detect-delay = <200>; + clock-frequency = <800000000>; + bus-width = <8>; + samsung,dw-mshc-ciu-div = <3>; + samsung,dw-mshc-sdr-timing = <0 4>; + samsung,dw-mshc-ddr-timing = <2 4>; + samsung,dw-mshc-hs400-timing = <0 2>; + + pinctrl-names = "default"; + pinctrl-0 = <&sd0_clk_fast_slew_rate_3x &sd0_cmd &sd0_rdqs + &sd0_bus1 &sd0_bus4 &sd0_bus8>; +}; + &oscclk { clock-frequency = <26000000>; }; diff --git a/arch/arm64/boot/dts/exynos/exynos7885.dtsi b/arch/arm64/boot/dts/exynos/exynos7885.dtsi index 3170661f5b67..40be504b3078 100644 --- a/arch/arm64/boot/dts/exynos/exynos7885.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos7885.dtsi @@ -240,6 +240,25 @@ cmu_top: clock-controller@12060000 { clock-names = "oscclk"; }; + cmu_fsys: clock-controller@13400000 { + compatible = "samsung,exynos7885-cmu-fsys"; + reg = <0x13400000 0x8000>; + #clock-cells = <1>; + + clocks = <&oscclk>, + <&cmu_top CLK_DOUT_FSYS_BUS>, + <&cmu_top CLK_DOUT_FSYS_MMC_CARD>, + <&cmu_top CLK_DOUT_FSYS_MMC_EMBD>, + <&cmu_top CLK_DOUT_FSYS_MMC_SDIO>, + <&cmu_top CLK_DOUT_FSYS_USB30DRD>; + clock-names = "oscclk", + "dout_fsys_bus", + "dout_fsys_mmc_card", + "dout_fsys_mmc_embd", + "dout_fsys_mmc_sdio", + "dout_fsys_usb30drd"; + }; + pinctrl_alive: pinctrl@11cb0000 { compatible = "samsung,exynos7885-pinctrl"; reg = <0x11cb0000 0x1000>; @@ -274,6 +293,19 @@ pmu_system_controller: system-controller@11c80000 { reg = <0x11c80000 0x10000>; }; + mmc_0: mmc@13500000 { + compatible = "samsung,exynos7-dw-mshc-smu"; + reg = <0x13500000 0x2000>; + interrupts = ; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&cmu_fsys CLK_GOUT_MMC_EMBD_ACLK>, + <&cmu_fsys CLK_GOUT_MMC_EMBD_SDCLKIN>; + clock-names = "biu", "ciu"; + fifo-depth = <0x40>; + status = "disabled"; + }; + serial_0: serial@13800000 { compatible = "samsung,exynos5433-uart"; reg = <0x13800000 0x100>;