[PATCH 5/5] arm64: dts: exynos: Add internal eMMC support to jackpotlte
David Virag
virag.david003 at gmail.com
Wed Jun 1 16:37:43 PDT 2022
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 <virag.david003 at gmail.com>
---
.../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 9c233c56558c..23c2e0bb0a2c 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 at 12060000 {
clock-names = "oscclk";
};
+ cmu_fsys: clock-controller at 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 at 11cb0000 {
compatible = "samsung,exynos7885-pinctrl";
reg = <0x11cb0000 0x1000>;
@@ -274,6 +293,19 @@ pmu_system_controller: system-controller at 11c80000 {
reg = <0x11c80000 0x10000>;
};
+ mmc_0: mmc at 13500000 {
+ compatible = "samsung,exynos7-dw-mshc-smu";
+ reg = <0x13500000 0x2000>;
+ interrupts = <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>;
+ #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 at 13800000 {
compatible = "samsung,exynos5433-uart";
reg = <0x13800000 0x100>;
--
2.36.1
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