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Date: Tue, 12 Nov 2013 13:53:09 +0000
From: <srinivas.kandagatla@...com>
To: <linux-arm-kernel@...ts.infradead.org>, <netdev@...r.kernel.org>
Cc: Rob Herring <rob.herring@...xeda.com>,
Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Stephen Warren <swarren@...dotorg.org>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Rob Landley <rob@...dley.net>,
Russell King <linux@....linux.org.uk>,
Srinivas Kandagatla <srinivas.kandagatla@...com>,
Stuart Menefy <stuart.menefy@...com>,
Pavel Machek <pavel@....cz>,
"Rafael J. Wysocki" <rjw@...ysocki.net>,
Len Brown <len.brown@...el.com>, <stephen.gallimore@...com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Giuseppe Cavallaro <peppe.cavallaro@...com>,
Grant Likely <grant.likely@...aro.org>,
<devicetree@...r.kernel.org>, <linux-doc@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <kernel@...inux.com>,
<linux-pm@...r.kernel.org>
Subject: [PATCH RFC 09/10] ARM: STi: Add STiH415 ethernet support.
From: Srinivas Kandagatla <srinivas.kandagatla@...com>
This patch adds support to STiH415 SOC, which has two ethernet
snps,dwmac controllers version 3.610. With this patch B2000 and B2020
boards can boot with ethernet in MII and RGMII modes.
Tested on both B2020 and B2000.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...com>
---
arch/arm/boot/dts/stih415-clock.dtsi | 14 +++++
arch/arm/boot/dts/stih415-pinctrl.dtsi | 82 ++++++++++++++++++++++++++++++++
arch/arm/boot/dts/stih415.dtsi | 56 ++++++++++++++++++++++
arch/arm/boot/dts/stih41x-b2000.dtsi | 32 ++++++++++++
arch/arm/boot/dts/stih41x-b2020.dtsi | 33 +++++++++++++
5 files changed, 217 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/stih415-clock.dtsi b/arch/arm/boot/dts/stih415-clock.dtsi
index 174c799..d047dbc 100644
--- a/arch/arm/boot/dts/stih415-clock.dtsi
+++ b/arch/arm/boot/dts/stih415-clock.dtsi
@@ -34,5 +34,19 @@
compatible = "fixed-clock";
clock-frequency = <100000000>;
};
+
+ CLKS_GMAC0_PHY: clockgenA1@7 {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <25000000>;
+ clock-output-names = "CLKS_GMAC0_PHY";
+ };
+
+ CLKS_ETH1_PHY: clockgenA0@7 {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <25000000>;
+ clock-output-names = "CLKS_ETH1_PHY";
+ };
};
};
diff --git a/arch/arm/boot/dts/stih415-pinctrl.dtsi b/arch/arm/boot/dts/stih415-pinctrl.dtsi
index 1d322b2..c087af8 100644
--- a/arch/arm/boot/dts/stih415-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stih415-pinctrl.dtsi
@@ -86,6 +86,57 @@
};
};
};
+
+ gmac1 {
+ pinctrl_mii1: mii1 {
+ st,pins {
+ txd0 = <&PIO0 0 ALT1 OUT SE_NICLK_IO 0 CLK_A>;
+ txd1 = <&PIO0 1 ALT1 OUT SE_NICLK_IO 0 CLK_A>;
+ txd2 = <&PIO0 2 ALT1 OUT SE_NICLK_IO 0 CLK_A>;
+ txd3 = <&PIO0 3 ALT1 OUT SE_NICLK_IO 0 CLK_A>;
+ txer = <&PIO0 4 ALT1 OUT SE_NICLK_IO 0 CLK_A>;
+ txen = <&PIO0 5 ALT1 OUT SE_NICLK_IO 0 CLK_A>;
+ txclk = <&PIO0 6 ALT1 IN NICLK 0 CLK_A>;
+ col = <&PIO0 7 ALT1 IN BYPASS 1000>;
+ mdio = <&PIO1 0 ALT1 OUT BYPASS 0>;
+ mdc = <&PIO1 1 ALT1 OUT NICLK 0 CLK_A>;
+ crs = <&PIO1 2 ALT1 IN BYPASS 1000>;
+ mdint = <&PIO1 3 ALT1 IN BYPASS 0>;
+ rxd0 = <&PIO1 4 ALT1 IN SE_NICLK_IO 0 CLK_A>;
+ rxd1 = <&PIO1 5 ALT1 IN SE_NICLK_IO 0 CLK_A>;
+ rxd2 = <&PIO1 6 ALT1 IN SE_NICLK_IO 0 CLK_A>;
+ rxd3 = <&PIO1 7 ALT1 IN SE_NICLK_IO 0 CLK_A>;
+ rxdv = <&PIO2 0 ALT1 IN SE_NICLK_IO 0 CLK_A>;
+ rx_er = <&PIO2 1 ALT1 IN SE_NICLK_IO 0 CLK_A>;
+ rxclk = <&PIO2 2 ALT1 IN NICLK 0 CLK_A>;
+ phyclk = <&PIO2 3 ALT1 IN NICLK 1000 CLK_A>;
+ };
+ };
+
+ pinctrl_rgmii1: rgmii1-0 {
+ st,pins {
+ txd0 = <&PIO0 0 ALT1 OUT DE_IO 1000 CLK_A>;
+ txd1 = <&PIO0 1 ALT1 OUT DE_IO 1000 CLK_A>;
+ txd2 = <&PIO0 2 ALT1 OUT DE_IO 1000 CLK_A>;
+ txd3 = <&PIO0 3 ALT1 OUT DE_IO 1000 CLK_A>;
+ txen = <&PIO0 5 ALT1 OUT DE_IO 0 CLK_A>;
+ txclk = <&PIO0 6 ALT1 IN NICLK 0 CLK_A>;
+ mdio = <&PIO1 0 ALT1 OUT BYPASS 0>;
+ mdc = <&PIO1 1 ALT1 OUT NICLK 0 CLK_A>;
+ rxd0 = <&PIO1 4 ALT1 IN DE_IO 0 CLK_A>;
+ rxd1 = <&PIO1 5 ALT1 IN DE_IO 0 CLK_A>;
+ rxd2 = <&PIO1 6 ALT1 IN DE_IO 0 CLK_A>;
+ rxd3 = <&PIO1 7 ALT1 IN DE_IO 0 CLK_A>;
+
+ rxdv = <&PIO2 0 ALT1 IN DE_IO 500 CLK_A>;
+ rxclk = <&PIO2 2 ALT1 IN NICLK 0 CLK_A>;
+ phyclk = <&PIO2 3 ALT4 OUT NICLK 0 CLK_B>;
+
+ clk125= <&PIO3 7 ALT4 IN NICLK 0 CLK_A>;
+ };
+ };
+ };
+
};
pin-controller-front {
@@ -197,6 +248,37 @@
};
};
};
+
+ gmac0{
+ pinctrl_mii0: mii0 {
+ st,pins {
+ mdint = <&PIO13 6 ALT2 IN BYPASS 0>;
+ txen = <&PIO13 7 ALT2 OUT SE_NICLK_IO 0 CLK_A>;
+
+ txd0 = <&PIO14 0 ALT2 OUT SE_NICLK_IO 0 CLK_A>;
+ txd1 = <&PIO14 1 ALT2 OUT SE_NICLK_IO 0 CLK_A>;
+ txd2 = <&PIO14 2 ALT2 OUT SE_NICLK_IO 0 CLK_B>;
+ txd3 = <&PIO14 3 ALT2 OUT SE_NICLK_IO 0 CLK_B>;
+
+ txclk = <&PIO15 0 ALT2 IN NICLK 0 CLK_A>;
+ txer = <&PIO15 1 ALT2 OUT SE_NICLK_IO 0 CLK_A>;
+ crs = <&PIO15 2 ALT2 IN BYPASS 1000>;
+ col = <&PIO15 3 ALT2 IN BYPASS 1000>;
+ mdio = <&PIO15 4 ALT2 OUT BYPASS 3000>;
+ mdc = <&PIO15 5 ALT2 OUT NICLK 0 CLK_B>;
+
+ rxd0 = <&PIO16 0 ALT2 IN SE_NICLK_IO 0 CLK_A>;
+ rxd1 = <&PIO16 1 ALT2 IN SE_NICLK_IO 0 CLK_A>;
+ rxd2 = <&PIO16 2 ALT2 IN SE_NICLK_IO 0 CLK_A>;
+ rxd3 = <&PIO16 3 ALT2 IN SE_NICLK_IO 0 CLK_A>;
+ rxdv = <&PIO15 6 ALT2 IN SE_NICLK_IO 0 CLK_A>;
+ rx_er = <&PIO15 7 ALT2 IN SE_NICLK_IO 0 CLK_A>;
+ rxclk = <&PIO17 0 ALT2 IN NICLK 0 CLK_A>;
+ phyclk = <&PIO13 5 ALT2 OUT NICLK 1000 CLK_A>;
+
+ };
+ };
+ };
};
pin-controller-left {
diff --git a/arch/arm/boot/dts/stih415.dtsi b/arch/arm/boot/dts/stih415.dtsi
index 0c0776e..c2b18c8 100644
--- a/arch/arm/boot/dts/stih415.dtsi
+++ b/arch/arm/boot/dts/stih415.dtsi
@@ -94,5 +94,61 @@
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sbc_serial1>;
};
+
+ ethernet0: ethernet0{
+ #address-cells = <1>;
+ #size-cells = <1>;
+ status = "disabled";
+ compatible = "st,stih415-dwmac";
+ reg = <0x148 0x4>;
+ st,syscon = <&syscfg_rear>;
+ resets = <&softreset STIH415_ETH0_SOFTRESET>;
+ ranges;
+
+ dwmac0:dwmac@...10000 {
+ device_type = "network";
+ compatible = "snps,dwmac", "snps,dwmac-3.610";
+ status = "disabled";
+ reg = <0xfe810000 0x8000>;
+ interrupts = <0 147 0>, <0 148 0>, <0 149 0>;
+ interrupt-names = "macirq", "eth_wake_irq", "eth_lpi";
+
+ snps,pbl = <32>;
+ snps,mixed-burst;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_mii0>;
+ clock-names = "stmmaceth";
+ clocks = <&CLKS_GMAC0_PHY>;
+ };
+ };
+
+ ethernet1: ethernet1 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ status = "disabled";
+ compatible = "st,stih415-dwmac";
+ reg = <0x74 0x4>;
+ st,syscon = <&syscfg_sbc>;
+ resets = <&softreset STIH415_ETH1_SOFTRESET>;
+ ranges;
+
+ dwmac1: dwmac@...08000 {
+ device_type = "network";
+ compatible = "snps,dwmac", "snps,dwmac-3.610";
+ status = "disabled";
+ reg = <0xfef08000 0x8000>;
+ interrupts = <0 150 0>, <0 151 0>, <0 152 0>;
+ interrupt-names = "macirq", "eth_wake_irq", "eth_lpi";
+
+ snps,pbl = <32>;
+ snps,mixed-burst;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_mii1>;
+ clock-names = "stmmaceth";
+ clocks = <&CLKS_ETH1_PHY>;
+ };
+ };
};
};
diff --git a/arch/arm/boot/dts/stih41x-b2000.dtsi b/arch/arm/boot/dts/stih41x-b2000.dtsi
index 8e694d2..9ae9ca9 100644
--- a/arch/arm/boot/dts/stih41x-b2000.dtsi
+++ b/arch/arm/boot/dts/stih41x-b2000.dtsi
@@ -20,6 +20,8 @@
aliases {
ttyAS0 = &serial2;
+ ethernet0 = &dwmac0;
+ ethernet1 = &dwmac1;
};
soc {
@@ -37,5 +39,35 @@
};
};
+ ethernet0: ethernet0{
+ status = "okay";
+ st,tx-retime-src = "txclk";
+
+ dwmac0:dwmac@...10000 {
+ status = "okay";
+ phy-mode = "mii";
+ snps,phy-addr = <0x1>;
+
+ snps,reset-gpio = <&PIO106 2>;
+ snps,reset-active-low;
+ snps,reset-delays-us = <0 10000 10000>;
+ };
+ };
+
+ ethernet1: ethernet1 {
+ status = "okay";
+ st,tx-retime-src = "txclk";
+
+ dwmac1: dwmac@...08000 {
+ status = "okay";
+ phy-mode = "mii";
+ snps,phy-addr = <0x1>;
+
+ snps,reset-gpio = <&PIO4 7>;
+ snps,reset-active-low;
+ snps,reset-delays-us = <0 10000 10000>;
+ };
+ };
+
};
};
diff --git a/arch/arm/boot/dts/stih41x-b2020.dtsi b/arch/arm/boot/dts/stih41x-b2020.dtsi
index 133e181..7ce1380 100644
--- a/arch/arm/boot/dts/stih41x-b2020.dtsi
+++ b/arch/arm/boot/dts/stih41x-b2020.dtsi
@@ -19,6 +19,7 @@
aliases {
ttyAS0 = &sbc_serial1;
+ ethernet1 = &dwmac1;
};
soc {
sbc_serial1: serial@...31000 {
@@ -38,5 +39,37 @@
default-state = "off";
};
};
+
+ /**
+ * ethernet clk routing:
+ * for
+ * max-speed = <1000>;
+ * set
+ * st,tx-retime-src = "clk_125";
+ *
+ * for
+ * max-speed = <100>;
+ * set
+ * st,tx-retime-src = "clkgen";
+ */
+
+ ethernet1: ethernet1 {
+ status = "okay";
+ st,tx-retime-src = "clkgen";
+
+ dwmac1: dwmac@...08000 {
+ status = "okay";
+ phy-mode = "rgmii-id";
+ max-speed = <100>;
+ snps,phy-addr = <0x1>;
+
+ snps,reset-gpio = <&PIO3 0>;
+ snps,reset-active-low;
+ snps,reset-delays-us = <0 10000 10000>;
+
+ pinctrl-0 = <&pinctrl_rgmii1>;
+ };
+ };
+
};
};
--
1.7.6.5
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