diff options
Diffstat (limited to 'target/linux/sunxi/patches-3.14/120-dt-sun7i-add-gmac-clocknode.patch')
| -rw-r--r-- | target/linux/sunxi/patches-3.14/120-dt-sun7i-add-gmac-clocknode.patch | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/target/linux/sunxi/patches-3.14/120-dt-sun7i-add-gmac-clocknode.patch b/target/linux/sunxi/patches-3.14/120-dt-sun7i-add-gmac-clocknode.patch new file mode 100644 index 0000000..47dab70 --- /dev/null +++ b/target/linux/sunxi/patches-3.14/120-dt-sun7i-add-gmac-clocknode.patch @@ -0,0 +1,56 @@ +From 3e1660161aacc5aeeebb09a0c8d91ad01399e5cd Mon Sep 17 00:00:00 2001 +From: Chen-Yu Tsai <wens@csie.org> +Date: Mon, 10 Feb 2014 18:35:48 +0800 +Subject: [PATCH] ARM: dts: sun7i: Add GMAC clock node to sun7i DTSI + +The GMAC uses 1 of 2 sources for its transmit clock, depending on the +PHY interface mode. Add both sources as dummy clocks, and as parents +to the GMAC clock node. + +Signed-off-by: Chen-Yu Tsai <wens@csie.org> +--- + arch/arm/boot/dts/sun7i-a20.dtsi | 28 ++++++++++++++++++++++++++++ + 1 file changed, 28 insertions(+) + +diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi +index 78f562a..f6ae357 100644 +--- a/arch/arm/boot/dts/sun7i-a20.dtsi ++++ b/arch/arm/boot/dts/sun7i-a20.dtsi +@@ -322,6 +322,34 @@ + }; + + /* ++ * The following two are dummy clocks, placeholders used in the gmac_tx ++ * clock. The gmac driver will choose one parent depending on the PHY ++ * interface mode, using clk_set_rate auto-reparenting. ++ * The actual TX clock rate is not controlled by the gmac_tx clock. ++ */ ++ mii_phy_tx_clk: clk@2 { ++ #clock-cells = <0>; ++ compatible = "fixed-clock"; ++ clock-frequency = <25000000>; ++ clock-output-names = "mii_phy_tx"; ++ }; ++ ++ gmac_int_tx_clk: clk@3 { ++ #clock-cells = <0>; ++ compatible = "fixed-clock"; ++ clock-frequency = <125000000>; ++ clock-output-names = "gmac_int_tx"; ++ }; ++ ++ gmac_tx_clk: clk@01c20164 { ++ #clock-cells = <0>; ++ compatible = "allwinner,sun7i-a20-gmac-clk"; ++ reg = <0x01c20164 0x4>; ++ clocks = <&mii_phy_tx_clk>, <&gmac_int_tx_clk>; ++ clock-output-names = "gmac_tx"; ++ }; ++ ++ /* + * Dummy clock used by output clocks + */ + osc24M_32k: clk@1 { +-- +2.0.3 + |