[PATCH V2] i2c: rcar: add compatible entry for r8a7791
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From: Wolfram Sang <hidden>
Date: 2014-02-20 08:03:20
Also in:
linux-devicetree, linux-i2c
Subsystem:
i2c subsystem, i2c subsystem host drivers, open firmware and flattened device tree bindings, renesas r-car i2c drivers, the rest · Maintainers:
Andi Shyti, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Wolfram Sang, Linus Torvalds
From: Wolfram Sang <redacted> While we are here, also brush up the devicetree binding documentation. The example was an inappropriate copy from the sh_mobile driver. Signed-off-by: Wolfram Sang <redacted> --- Documentation/devicetree/bindings/i2c/i2c-rcar.txt | 14 ++++++++++---- drivers/i2c/busses/i2c-rcar.c | 1 + 2 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/Documentation/devicetree/bindings/i2c/i2c-rcar.txt b/Documentation/devicetree/bindings/i2c/i2c-rcar.txt
index 897cfcd5..dd8b2dd 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-rcar.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-rcar.txt@@ -6,6 +6,7 @@ Required properties: "renesas,i2c-r8a7778" "renesas,i2c-r8a7779" "renesas,i2c-r8a7790" + "renesas,i2c-r8a7791" - reg: physical base address of the controller and length of memory mapped region. - interrupts: interrupt specifier.
@@ -13,11 +14,16 @@ Required properties: Optional properties: - clock-frequency: desired I2C bus clock frequency in Hz. The absence of this propoerty indicates the default frequency 100 kHz. +- clocks: clock specifier. Examples : -i2c0: i2c@e6500000 { - compatible = "renesas,i2c-rcar-h2"; - reg = <0 0xe6500000 0 0x428>; - interrupts = <0 174 0x4>; +i2c0: i2c@e6508000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "renesas,i2c-r8a7791"; + reg = <0 0xe6508000 0 0x40>; + interrupts = <0 287 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp9_clks R8A7791_CLK_I2C0>; + clock-frequency = <400000>; };
diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index 0282d4d..cc60bc6 100644
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c@@ -638,6 +638,7 @@ static const struct of_device_id rcar_i2c_dt_ids[] = { { .compatible = "renesas,i2c-r8a7778", .data = (void *)I2C_RCAR_GEN1 }, { .compatible = "renesas,i2c-r8a7779", .data = (void *)I2C_RCAR_GEN1 }, { .compatible = "renesas,i2c-r8a7790", .data = (void *)I2C_RCAR_GEN2 }, + { .compatible = "renesas,i2c-r8a7791", .data = (void *)I2C_RCAR_GEN2 }, {}, }; MODULE_DEVICE_TABLE(of, rcar_i2c_dt_ids);
--
1.8.5.1