[PATCH/RFC] ARM: shmobile: Add r8a7791 thermal sensor DT device
Simon Horman
horms at verge.net.au
Wed Sep 25 19:40:24 EDT 2013
On Thu, Sep 26, 2013 at 08:18:01AM +0900, Magnus Damm wrote:
> From: Magnus Damm <damm at opensource.se>
>
> Hook up the single channel thermal sensor via DT
> on r8a7791. The information comes from the device
> data sheet.
>
> Unfortunately it seems that r8a7791 uses a different
> register offset compared to r8a7790, so passing
> the singel channel offset results in the following
> error:
>
> rcar_thermal e61f0000.thermal: can't request region for resource [mem 0xe61f0000-0xe61f0037]
> rcar_thermal: probe of e61f0000.thermal failed with error -16
>
> Before this can be merged the thermal driver may beed
> to be extended to support the different register layouts
> for the thermal sensor in r8a7779, r8a7790 and r8a7791.
>
> Not-Yet-Signed-off-by: Magnus Damm <damm at opensource.se>
Hi Magnus,
when you repost this patch please split it into two.
An SoC patch that updates clock-r8a7791.c.
And a DT patch which updates r8a7791.dtsi.
Thanks
> ---
>
> Written against renesas-devel-20130925
>
> arch/arm/boot/dts/r8a7791.dtsi | 7 +++++++
> arch/arm/mach-shmobile/clock-r8a7791.c | 3 +++
> 2 files changed, 10 insertions(+)
>
> --- 0001/arch/arm/boot/dts/r8a7791.dtsi
> +++ work/arch/arm/boot/dts/r8a7791.dtsi 2013-09-26 07:34:01.000000000 +0900
> @@ -38,4 +38,11 @@
> <0 0xf1006000 0 0x2000>;
> interrupts = <1 9 0xf04>;
> };
> +
> + thermal at e61f0000 {
> + compatible = "renesas,rcar-thermal";
> + reg = <0 0xe61f0000 0 0x14>, <0 0xe61f0000 0 0x38>;
> + interrupt-parent = <&gic>;
> + interrupts = <0 69 4>;
> + };
> };
> --- 0001/arch/arm/mach-shmobile/clock-r8a7791.c
> +++ work/arch/arm/mach-shmobile/clock-r8a7791.c 2013-09-26 07:32:34.000000000 +0900
> @@ -122,6 +122,7 @@ static struct clk *main_clks[] = {
> enum {
> MSTP721, MSTP720,
> MSTP719, MSTP718, MSTP715, MSTP714,
> + MSTP522,
> MSTP216, MSTP207, MSTP206,
> MSTP204, MSTP203, MSTP202, MSTP1105, MSTP1106, MSTP1107,
> MSTP124,
> @@ -135,6 +136,7 @@ static struct clk mstp_clks[MSTP_NR] = {
> [MSTP718] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 18, 0), /* SCIF3 */
> [MSTP715] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 15, 0), /* SCIF4 */
> [MSTP714] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 14, 0), /* SCIF5 */
> + [MSTP522] = SH_CLK_MSTP32(&extal_clk, SMSTPCR5, 22, 0), /* Thermal */
> [MSTP216] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 16, 0), /* SCIFB2 */
> [MSTP207] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 7, 0), /* SCIFB1 */
> [MSTP206] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 6, 0), /* SCIFB0 */
> @@ -179,6 +181,7 @@ static struct clk_lookup lookups[] = {
> CLKDEV_DEV_ID("sh-sci.12", &mstp_clks[MSTP1105]), /* SCIFA3 */
> CLKDEV_DEV_ID("sh-sci.13", &mstp_clks[MSTP1106]), /* SCIFA4 */
> CLKDEV_DEV_ID("sh-sci.14", &mstp_clks[MSTP1107]), /* SCIFA5 */
> + CLKDEV_DEV_ID("e61f0000.thermal", &mstp_clks[MSTP522]),
> CLKDEV_DEV_ID("sh_cmt.0", &mstp_clks[MSTP124]),
> };
>
> --
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