Add SD/MMC support to the Broadcom NSP SVK and XMC.
Signed-off-by: Jon Mason <jon.mason@xxxxxxxxxxxx>
---
arch/arm/boot/dts/bcm-nsp.dtsi | 9 +++
arch/arm/boot/dts/bcm958525xmc.dts | 6 +-
arch/arm/boot/dts/bcm958625k.dts | 118 ++++++++++++++++++++++++-------------
3 files changed, 90 insertions(+), 43 deletions(-)
diff --git a/arch/arm/boot/dts/bcm-nsp.dtsi b/arch/arm/boot/dts/bcm-nsp.dtsi
index ecffc16..6c58c78 100644
--- a/arch/arm/boot/dts/bcm-nsp.dtsi
+++ b/arch/arm/boot/dts/bcm-nsp.dtsi
@@ -209,6 +209,15 @@
#dma-cells = <1>;
};
+ sdio: sdhci@21000 {
+ compatible = "brcm,sdhci-iproc-cygnus";
+ reg = <0x21000 0x100>;
+ interrupts = <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>;
+ sdhci,auto-cmd12;
+ clocks = <&lcpll0 BCM_NSP_LCPLL0_SDIO_CLK>;
+ status = "disabled";
+ };
+
amac0: ethernet@22000 {
compatible = "brcm,nsp-amac";
reg = <0x022000 0x1000>,
diff --git a/arch/arm/boot/dts/bcm958525xmc.dts b/arch/arm/boot/dts/bcm958525xmc.dts
index 3912269..41e7fd3 100644
--- a/arch/arm/boot/dts/bcm958525xmc.dts
+++ b/arch/arm/boot/dts/bcm958525xmc.dts
@@ -59,7 +59,7 @@
};
};
-/* XHCI and SD/MMC support needed to be complete */
+/* XHCI support needed to be complete */
&amac0 {
status = "okay";
@@ -184,6 +184,10 @@
status = "okay";
};
+&sdio {
+ status = "ok";
+};
+
&uart0 {
status = "okay";
};
diff --git a/arch/arm/boot/dts/bcm958625k.dts b/arch/arm/boot/dts/bcm958625k.dts
index 6e994f2..f8d47e5 100644
--- a/arch/arm/boot/dts/bcm958625k.dts
+++ b/arch/arm/boot/dts/bcm958625k.dts
@@ -117,58 +117,34 @@
&pinctrl {
pinctrl-names = "default";
- pinctrl-0 = <&nand_sel>;
+ pinctrl-0 = <&nand_sel>, <&gpiobs>, <&pwmc>;
+
nand_sel: nand_sel {
function = "nand";
groups = "nand_grp";
};
-};
-
-&srab {
- compatible = "brcm,bcm58625-srab", "brcm,nsp-srab";
- status = "okay";
-
- ports {
- #address-cells = <1>;
- #size-cells = <0>;
-
- port@0 {
- label = "port0";
- reg = <0>;
- };
-
- port@1 {
- label = "port1";
- reg = <1>;
- };
-
- port@2 {
- label = "port2";
- reg = <2>;
- };
- port@3 {
- label = "port3";
- reg = <3>;
- };
+ gpiobs: gpiobs {
+ function = "gpio_b";
+ groups = "gpio_b_0_grp", "gpio_b_1_grp", "gpio_b_2_grp",
+ "gpio_b_3_grp";
+ };
- port@4 {
- label = "port4";
- reg = <4>;
- };
+ pwmc: pwmc {
+ function = "pwm";
+ groups = "pwm0_grp", "pwm1_grp", "pwm2_grp", "pwm3_grp";
+ };
- port@5 {
- ethernet = <&amac0>;
- label = "cpu";
- reg = <5>;
- fixed-link {
- speed = <1000>;
- full-duplex;
- };
- };
+ emmc_sel: emmc_sel {
+ function = "emmc";
+ groups = "emmc_grp";
};
};
+&pwm {
+ status = "okay";
+};
+
&qspi {
bspi-sel = <0>;
flash: m25p80@0 {
@@ -215,6 +191,64 @@
status = "okay";
};
+/*
+ * By default the sd slot is functional. For emmc to work add "<&emmc_sel>"
+ * and delete "<&nand_sel>" in "pinctrl-0" property of pinctrl node. Remove the
+ * bus-width property here and disable the nand node with status = "disabled";.
+ *
+ * Ex: pinctrl-0 = <&emmc_sel>, <&gpiobs>, <&pwmc>;
+ */
+&sdio {
+ bus-width = <4>;
+ no-1-8-v;
+ status = "ok";
+};
+
+&srab {
+ compatible = "brcm,bcm58625-srab", "brcm,nsp-srab";
+ status = "okay";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ label = "port0";
+ reg = <0>;
+ };
+
+ port@1 {
+ label = "port1";
+ reg = <1>;
+ };
+
+ port@2 {
+ label = "port2";
+ reg = <2>;
+ };
+
+ port@3 {
+ label = "port3";
+ reg = <3>;
+ };
+
+ port@4 {
+ label = "port4";
+ reg = <4>;
+ };
+
+ port@5 {
+ ethernet = <&amac0>;
+ label = "cpu";
+ reg = <5>;
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ };
+ };
+ };
+};
+
&uart0 {
status = "okay";
};
--
2.7.4
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