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Date: Mon, 5 Aug 2013 22:39:25 +0200
From: Maxime Ripard <maxime.ripard@...e-electrons.com>
To: Mike Turquette <mturquette@...aro.org>
Cc: Emilio Lopez <emilio@...pez.com.ar>, kevin.z.m.zh@...il.com,
sunny@...winnertech.com, shuge@...winnertech.com,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-sunxi@...glegroups.com,
Maxime Ripard <maxime.ripard@...e-electrons.com>
Subject: [PATCHv2 1/2] clk: sunxi: Add A10s gates
The Allwinner A10s has a slightly different gates set than the A10 and
A13, so add these gates to the clk driver.
Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
Tested-by: Emilio López <emilio@...pez.com.ar>
Reviewed-by: Emilio López <emilio@...pez.com.ar>
---
Documentation/devicetree/bindings/clock/sunxi.txt | 3 +
.../bindings/clock/sunxi/sun5i-a10s-gates.txt | 75 ++++++++++++++++++++++
drivers/clk/sunxi/clk-sunxi.c | 15 +++++
3 files changed, 93 insertions(+)
create mode 100644 Documentation/devicetree/bindings/clock/sunxi/sun5i-a10s-gates.txt
diff --git a/Documentation/devicetree/bindings/clock/sunxi.txt b/Documentation/devicetree/bindings/clock/sunxi.txt
index d495521..b24de10 100644
--- a/Documentation/devicetree/bindings/clock/sunxi.txt
+++ b/Documentation/devicetree/bindings/clock/sunxi.txt
@@ -14,13 +14,16 @@ Required properties:
"allwinner,sun4i-ahb-clk" - for the AHB clock
"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,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,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
Required properties for all clocks:
- reg : shall be the control register address for the clock.
diff --git a/Documentation/devicetree/bindings/clock/sunxi/sun5i-a10s-gates.txt b/Documentation/devicetree/bindings/clock/sunxi/sun5i-a10s-gates.txt
new file mode 100644
index 0000000..d24279f
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/sunxi/sun5i-a10s-gates.txt
@@ -0,0 +1,75 @@
+Gate clock outputs
+------------------
+
+ * AXI gates ("allwinner,sun4i-axi-gates-clk")
+
+ DRAM 0
+
+ * AHB gates ("allwinner,sun5i-a10s-ahb-gates-clk")
+
+ USB0 0
+ EHCI0 1
+ OHCI0 2
+
+ SS 5
+ DMA 6
+ BIST 7
+ MMC0 8
+ MMC1 9
+ MMC2 10
+
+ NAND 13
+ SDRAM 14
+
+ EMAC 17
+ TS 18
+
+ SPI0 20
+ SPI1 21
+ SPI2 22
+
+ GPS 26
+
+ HSTIMER 28
+
+ VE 32
+
+ TVE 34
+
+ LCD 36
+
+ CSI 40
+
+ HDMI 43
+ DE_BE 44
+
+ DE_FE 46
+
+ IEP 51
+ MALI400 52
+
+ * APB0 gates ("allwinner,sun5i-a10s-apb0-gates-clk")
+
+ CODEC 0
+
+ IIS 3
+
+ PIO 5
+ IR 6
+
+ KEYPAD 10
+
+ * APB1 gates ("allwinner,sun5i-a10s-apb1-gates-clk")
+
+ I2C0 0
+ I2C1 1
+ I2C2 2
+
+ UART0 16
+ UART1 17
+ UART2 18
+ UART3 19
+
+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 412912b..db1c45b 100644
--- a/drivers/clk/sunxi/clk-sunxi.c
+++ b/drivers/clk/sunxi/clk-sunxi.c
@@ -341,6 +341,10 @@ static const __initconst struct gates_data sun4i_ahb_gates_data = {
.mask = {0x7F77FFF, 0x14FB3F},
};
+static const __initconst struct gates_data sun5i_a10s_ahb_gates_data = {
+ .mask = {0x147667e7, 0x185915},
+};
+
static const __initconst struct gates_data sun5i_a13_ahb_gates_data = {
.mask = {0x107067e7, 0x185111},
};
@@ -349,6 +353,10 @@ static const __initconst struct gates_data sun4i_apb0_gates_data = {
.mask = {0x4EF},
};
+static const __initconst struct gates_data sun5i_a10s_apb0_gates_data = {
+ .mask = {0x469},
+};
+
static const __initconst struct gates_data sun5i_a13_apb0_gates_data = {
.mask = {0x61},
};
@@ -357,6 +365,10 @@ static const __initconst struct gates_data sun4i_apb1_gates_data = {
.mask = {0xFF00F7},
};
+static const __initconst struct gates_data sun5i_a10s_apb1_gates_data = {
+ .mask = {0xf0007},
+};
+
static const __initconst struct gates_data sun5i_a13_apb1_gates_data = {
.mask = {0xa0007},
};
@@ -442,10 +454,13 @@ static const __initconst struct of_device_id clk_mux_match[] = {
static const __initconst struct of_device_id clk_gates_match[] = {
{.compatible = "allwinner,sun4i-axi-gates-clk", .data = &sun4i_axi_gates_data,},
{.compatible = "allwinner,sun4i-ahb-gates-clk", .data = &sun4i_ahb_gates_data,},
+ {.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,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,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,},
{}
};
--
1.8.3.4
--
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