@@ -30,6 +30,7 @@ / {
aliases {
mmc0 = &mmc_0;
+ mmc1 = &mmc_1;
mmc2 = &mmc_2;
};
@@ -87,6 +88,13 @@ key-volume-down {
linux,code = <KEY_VOLUMEDOWN>;
};
};
+
+ mmc1_pwrseq: pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ reset-gpios = <&gpy7 7 GPIO_ACTIVE_LOW>;
+ clocks = <&s2mps11_osc S2MPS11_CLK_BT>;
+ clock-names = "ext_clock";
+ };
};
&cci {
@@ -620,6 +628,25 @@ &mmc_0 {
vqmmc-supply = <&ldo3_reg>;
};
+/* WiFi */
+&mmc_1 {
+ bus-width = <4>;
+ cap-sd-highspeed;
+ cap-sdio-irq;
+ card-detect-delay = <200>;
+ keep-power-in-suspend;
+ mmc-pwrseq = <&mmc1_pwrseq>;
+ non-removable;
+ pinctrl-0 = <&sd1_clk>, <&sd1_cmd>, <&sd1_int>, <&sd1_bus1>,
+ <&sd1_bus4>, <&wifi_en>;
+ pinctrl-names = "default";
+ vqmmc-supply = <&ldo2_reg>;
+ samsung,dw-mshc-ciu-div = <1>;
+ samsung,dw-mshc-ddr-timing = <0 2>;
+ samsung,dw-mshc-sdr-timing = <0 1>;
+ status = "okay";
+};
+
/* External sdcard */
&mmc_2 {
status = "okay";
@@ -649,6 +676,11 @@ s2mps11_irq: s2mps11-irq-pins {
samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
};
+
+ wifi_en: wifi-en-pins {
+ samsung,pins = "gpy7-7";
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ };
};
&rtc {
By using brcm/brcmfmac4354-sdio.bin from linux-firmware together with nvram.txt from vendor firmware wifi works well on the chagall-wifi and klimt-lte. Signed-off-by: Henrik Grimler <henrik@grimler.se> --- Describe wifi node for exynos5420-chagall-wifi and exynos5420-klimt-wifi, and decrease available memory. --- Changes in v2: - Drop patch 1 and 3 (the latter was applied) - Fixup patch 2 so it applies cleanly after dropping patch 1 - Link to v1: https://lore.kernel.org/r/20240130-galaxy-tab-s-cleanup-v1-0-d4e17857241d@grimler.se --- Changes since v1: - Fix conflicts after dropping patch 1 --- .../dts/samsung/exynos5420-galaxy-tab-common.dtsi | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) --- base-commit: 9a5dbb835fd396c78da34b26ee91db6d529d096d change-id: 20231210-galaxy-tab-s-cleanup-14da98b23606 Best regards,