[PATCH v3 02/22] arm64: dts: mediatek: mt7988: Add mmc support

Frank Wunderlich linux at fw-web.de
Tue Dec 17 01:12:16 PST 2024


From: Frank Wunderlich <frank-w at public-files.de>

Add devicetree node for MMC controller.

Signed-off-by: Frank Wunderlich <frank-w at public-files.de>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
---
changes:
v3:
move clocks in one line
v2:
squash "add missing label for apmixedsys"
---
 arch/arm64/boot/dts/mediatek/mt7988a.dtsi | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
index d205717ac78b..2e224d0d0168 100644
--- a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
@@ -112,7 +112,7 @@ watchdog: watchdog at 1001c000 {
 			#reset-cells = <1>;
 		};
 
-		clock-controller at 1001e000 {
+		apmixedsys: clock-controller at 1001e000 {
 			compatible = "mediatek,mt7988-apmixedsys";
 			reg = <0 0x1001e000 0 0x1000>;
 			#clock-cells = <1>;
@@ -290,6 +290,25 @@ usb at 11200000 {
 			clock-names = "sys_ck", "ref_ck", "mcu_ck", "dma_ck", "xhci_ck";
 		};
 
+		mmc0: mmc at 11230000 {
+			compatible = "mediatek,mt7988-mmc";
+			reg = <0 0x11230000 0 0x1000>,
+			      <0 0x11D60000 0 0x1000>;
+			interrupts = <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&infracfg CLK_INFRA_MSDC400>,
+				 <&infracfg CLK_INFRA_MSDC2_HCK>,
+				 <&infracfg CLK_INFRA_66M_MSDC_0_HCK>,
+				 <&infracfg CLK_INFRA_133M_MSDC_0_HCK>;
+			assigned-clocks = <&topckgen CLK_TOP_EMMC_250M_SEL>,
+					  <&topckgen CLK_TOP_EMMC_400M_SEL>;
+			assigned-clock-parents = <&topckgen CLK_TOP_NET1PLL_D5_D2>,
+						 <&apmixedsys CLK_APMIXED_MSDCPLL>;
+			clock-names = "source", "hclk", "axi_cg", "ahb_cg";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		clock-controller at 11f40000 {
 			compatible = "mediatek,mt7988-xfi-pll";
 			reg = <0 0x11f40000 0 0x1000>;
-- 
2.43.0




More information about the Linux-mediatek mailing list