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-rw-r--r--Documentation/devicetree/bindings/clock/sunxi.txt3
-rw-r--r--Documentation/devicetree/bindings/clock/sunxi/sun7i-a20-gates.txt98
-rw-r--r--drivers/clk/sunxi/clk-sunxi.c15
3 files changed, 116 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/sunxi.txt b/Documentation/devicetree/bindings/clock/sunxi.txt
index c383d12..00a5c264 100644
--- a/Documentation/devicetree/bindings/clock/sunxi.txt
+++ b/Documentation/devicetree/bindings/clock/sunxi.txt
@@ -16,18 +16,21 @@ Required properties:
"allwinner,sun4i-ahb-gates-clk" - for the AHB gates on A10
"allwinner,sun5i-a13-ahb-gates-clk" - for the AHB gates on A13
"allwinner,sun5i-a10s-ahb-gates-clk" - for the AHB gates on A10s
+ "allwinner,sun7i-a20-ahb-gates-clk" - for the AHB gates on A20
"allwinner,sun6i-a31-ahb1-mux-clk" - for the AHB1 multiplexer on A31
"allwinner,sun6i-a31-ahb1-gates-clk" - for the AHB1 gates on A31
"allwinner,sun4i-apb0-clk" - for the APB0 clock
"allwinner,sun4i-apb0-gates-clk" - for the APB0 gates on A10
"allwinner,sun5i-a13-apb0-gates-clk" - for the APB0 gates on A13
"allwinner,sun5i-a10s-apb0-gates-clk" - for the APB0 gates on A10s
+ "allwinner,sun7i-a20-apb0-gates-clk" - for the APB0 gates on A20
"allwinner,sun4i-apb1-clk" - for the APB1 clock
"allwinner,sun4i-apb1-mux-clk" - for the APB1 clock muxing
"allwinner,sun4i-apb1-gates-clk" - for the APB1 gates on A10
"allwinner,sun5i-a13-apb1-gates-clk" - for the APB1 gates on A13
"allwinner,sun5i-a10s-apb1-gates-clk" - for the APB1 gates on A10s
"allwinner,sun6i-a31-apb1-gates-clk" - for the APB1 gates on A31
+ "allwinner,sun7i-a20-apb1-gates-clk" - for the APB1 gates on A20
"allwinner,sun6i-a31-apb2-div-clk" - for the APB2 gates on A31
"allwinner,sun6i-a31-apb2-gates-clk" - for the APB2 gates on A31
diff --git a/Documentation/devicetree/bindings/clock/sunxi/sun7i-a20-gates.txt b/Documentation/devicetree/bindings/clock/sunxi/sun7i-a20-gates.txt
new file mode 100644
index 0000000..357f4fd
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/sunxi/sun7i-a20-gates.txt
@@ -0,0 +1,98 @@
+Gate clock outputs
+------------------
+
+ * AXI gates ("allwinner,sun4i-axi-gates-clk")
+
+ DRAM 0
+
+ * AHB gates ("allwinner,sun7i-a20-ahb-gates-clk")
+
+ USB0 0
+ EHCI0 1
+ OHCI0 2
+ EHCI1 3
+ OHCI1 4
+ SS 5
+ DMA 6
+ BIST 7
+ MMC0 8
+ MMC1 9
+ MMC2 10
+ MMC3 11
+ MS 12
+ NAND 13
+ SDRAM 14
+
+ ACE 16
+ EMAC 17
+ TS 18
+
+ SPI0 20
+ SPI1 21
+ SPI2 22
+ SPI3 23
+
+ SATA 25
+
+ HSTIMER 28
+
+ VE 32
+ TVD 33
+ TVE0 34
+ TVE1 35
+ LCD0 36
+ LCD1 37
+
+ CSI0 40
+ CSI1 41
+
+ HDMI1 42
+ HDMI0 43
+ DE_BE0 44
+ DE_BE1 45
+ DE_FE1 46
+ DE_FE1 47
+
+ GMAC 49
+ MP 50
+
+ MALI400 52
+
+ * APB0 gates ("allwinner,sun7i-a20-apb0-gates-clk")
+
+ CODEC 0
+ SPDIF 1
+ AC97 2
+ IIS0 3
+ IIS1 4
+ PIO 5
+ IR0 6
+ IR1 7
+ IIS2 8
+
+ KEYPAD 10
+
+ * APB1 gates ("allwinner,sun7i-a20-apb1-gates-clk")
+
+ I2C0 0
+ I2C1 1
+ I2C2 2
+ I2C3 3
+ CAN 4
+ SCR 5
+ PS20 6
+ PS21 7
+
+ I2C4 15
+ UART0 16
+ UART1 17
+ UART2 18
+ UART3 19
+ UART4 20
+ UART5 21
+ UART6 22
+ UART7 23
+
+Notation:
+ [*]: The datasheet didn't mention these, but they are present on AW code
+ [**]: The datasheet had this marked as "NC" but they are used on AW code
diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
index 6fd0204..d39f213 100644
--- a/drivers/clk/sunxi/clk-sunxi.c
+++ b/drivers/clk/sunxi/clk-sunxi.c
@@ -463,6 +463,10 @@ static const __initconst struct gates_data sun6i_a31_ahb1_gates_data = {
.mask = {0xEDFE7F62, 0x794F931},
};
+static const __initconst struct gates_data sun7i_a20_ahb_gates_data = {
+ .mask = { 0x12f77fff, 0x16ff3f },
+};
+
static const __initconst struct gates_data sun4i_apb0_gates_data = {
.mask = {0x4EF},
};
@@ -475,6 +479,10 @@ static const __initconst struct gates_data sun5i_a13_apb0_gates_data = {
.mask = {0x61},
};
+static const __initconst struct gates_data sun7i_a20_apb0_gates_data = {
+ .mask = { 0x4ff },
+};
+
static const __initconst struct gates_data sun4i_apb1_gates_data = {
.mask = {0xFF00F7},
};
@@ -495,6 +503,10 @@ static const __initconst struct gates_data sun6i_a31_apb2_gates_data = {
.mask = {0x3F000F},
};
+static const __initconst struct gates_data sun7i_a20_apb1_gates_data = {
+ .mask = { 0xff80ff },
+};
+
static void __init sunxi_gates_clk_setup(struct device_node *node,
struct gates_data *data)
{
@@ -576,13 +588,16 @@ static const __initconst struct of_device_id clk_gates_match[] = {
{.compatible = "allwinner,sun5i-a10s-ahb-gates-clk", .data = &sun5i_a10s_ahb_gates_data,},
{.compatible = "allwinner,sun5i-a13-ahb-gates-clk", .data = &sun5i_a13_ahb_gates_data,},
{.compatible = "allwinner,sun6i-a31-ahb1-gates-clk", .data = &sun6i_a31_ahb1_gates_data,},
+ {.compatible = "allwinner,sun7i-a20-ahb-gates-clk", .data = &sun7i_a20_ahb_gates_data,},
{.compatible = "allwinner,sun4i-apb0-gates-clk", .data = &sun4i_apb0_gates_data,},
{.compatible = "allwinner,sun5i-a10s-apb0-gates-clk", .data = &sun5i_a10s_apb0_gates_data,},
{.compatible = "allwinner,sun5i-a13-apb0-gates-clk", .data = &sun5i_a13_apb0_gates_data,},
+ {.compatible = "allwinner,sun7i-a20-apb0-gates-clk", .data = &sun7i_a20_apb0_gates_data,},
{.compatible = "allwinner,sun4i-apb1-gates-clk", .data = &sun4i_apb1_gates_data,},
{.compatible = "allwinner,sun5i-a10s-apb1-gates-clk", .data = &sun5i_a10s_apb1_gates_data,},
{.compatible = "allwinner,sun5i-a13-apb1-gates-clk", .data = &sun5i_a13_apb1_gates_data,},
{.compatible = "allwinner,sun6i-a31-apb1-gates-clk", .data = &sun6i_a31_apb1_gates_data,},
+ {.compatible = "allwinner,sun7i-a20-apb1-gates-clk", .data = &sun7i_a20_apb1_gates_data,},
{.compatible = "allwinner,sun6i-a31-apb2-gates-clk", .data = &sun6i_a31_apb2_gates_data,},
{}
};