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Commit c91cf2fa authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Simon Horman
Browse files

ARM: shmobile: r8a73a4: add thermal driver support 



You can get current thermal by
> cat /sys/class/thermal/thermal_zone?/temp

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: default avatarMagnus Damm <damm@opensource.se>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent 6722f6cb

arch/arm/boot/dts/r8a73a4.dtsi

+7 −0
Original line number Diff line number Diff line
@@ -84,4 +84,11 @@ 
				<0 56 4>, <0 57 4>;

	};



	thermal@e61f0000 {

		compatible = "renesas,rcar-thermal";

		reg = <0xe61f0000 0x14>, <0xe61f0100 0x38>,

			 <0xe61f0200 0x38>, <0xe61f0300 0x38>;

		interrupt-parent = <&gic>;

		interrupts = <0 69 4>;

	};

};

arch/arm/mach-shmobile/clock-r8a73a4.c

+12 −1
Original line number Diff line number Diff line
@@ -29,6 +29,7 @@ 


#define MPCKCR 0xe6150080

#define SMSTPCR2 0xe6150138

#define SMSTPCR5 0xe6150144



static struct clk_mapping cpg_mapping = {

	.phys   = CPG_BASE,
@@ -56,7 +57,12 @@ static struct clk *main_clks[] = { 
	&extal2_clk,

};



enum { MSTP217, MSTP216, MSTP207, MSTP206, MSTP204, MSTP203, MSTP_NR };

enum {

	MSTP217, MSTP216, MSTP207, MSTP206, MSTP204, MSTP203,

	MSTP522,

	MSTP_NR

};



static struct clk mstp_clks[MSTP_NR] = {

	[MSTP204] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR2, 4, 0), /* SCIFA0 */

	[MSTP203] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR2, 3, 0), /* SCIFA1 */
@@ -64,6 +70,7 @@ static struct clk mstp_clks[MSTP_NR] = { 
	[MSTP207] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR2, 7, 0), /* SCIFB1 */

	[MSTP216] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR2, 16, 0), /* SCIFB2 */

	[MSTP217] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR2, 17, 0), /* SCIFB3 */

	[MSTP522] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR5, 22, 0), /* Thermal */

};



static struct clk_lookup lookups[] = {
@@ -73,6 +80,10 @@ static struct clk_lookup lookups[] = { 
	CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP207]),

	CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP216]),

	CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP217]),

	CLKDEV_DEV_ID("rcar_thermal", &mstp_clks[MSTP522]),



	/* for DT */

	CLKDEV_DEV_ID("e61f0000.thermal", &mstp_clks[MSTP522]),

};



void __init r8a73a4_clock_init(void)

arch/arm/mach-shmobile/setup-r8a73a4.c

+15 −0
Original line number Diff line number Diff line
@@ -155,6 +155,20 @@ static const struct resource irqc1_resources[] = { 
					  &irqc##idx##_data,		\

					  sizeof(struct renesas_irqc_config))



/* Thermal0 -> Thermal2 */

static const struct resource thermal0_resources[] = {

	DEFINE_RES_MEM(0xe61f0000, 0x14),

	DEFINE_RES_MEM(0xe61f0100, 0x38),

	DEFINE_RES_MEM(0xe61f0200, 0x38),

	DEFINE_RES_MEM(0xe61f0300, 0x38),

	DEFINE_RES_IRQ(gic_spi(69)),

};



#define r8a73a4_register_thermal()					\

	platform_device_register_simple("rcar_thermal", -1,		\

					thermal0_resources,		\

					ARRAY_SIZE(thermal0_resources))



void __init r8a73a4_add_standard_devices(void)

{

	r8a73a4_register_scif(SCIFA0);
@@ -165,6 +179,7 @@ void __init r8a73a4_add_standard_devices(void) 
	r8a73a4_register_scif(SCIFB3);

	r8a73a4_register_irqc(0);

	r8a73a4_register_irqc(1);

	r8a73a4_register_thermal();

}



#ifdef CONFIG_USE_OF