From 7e4992288e55f1e15f7498ead618b3943f5cfd3f Mon Sep 17 00:00:00 2001 From: Haojian Zhuang Date: Fri, 19 Mar 2010 11:53:17 -0400 Subject: [PATCH] [ARM] mmp: support ssp in pxa168 Support ssp devices in PXA168. PXA168 could reuse the code of PXA SSP. Signed-off-by: Haojian Zhuang Signed-off-by: Eric Miao --- arch/arm/mach-mmp/include/mach/irqs.h | 10 +++++----- arch/arm/mach-mmp/include/mach/pxa168.h | 21 +++++++++++++++++++++ arch/arm/mach-mmp/include/mach/regs-apbc.h | 10 +++++----- arch/arm/mach-mmp/pxa168.c | 15 +++++++++++++++ arch/arm/plat-pxa/include/plat/ssp.h | 1 + arch/arm/plat-pxa/ssp.c | 1 + 6 files changed, 48 insertions(+), 10 deletions(-) diff --git a/arch/arm/mach-mmp/include/mach/irqs.h b/arch/arm/mach-mmp/include/mach/irqs.h index 02701196ea03..b379cdec4d38 100644 --- a/arch/arm/mach-mmp/include/mach/irqs.h +++ b/arch/arm/mach-mmp/include/mach/irqs.h @@ -5,10 +5,10 @@ * Interrupt numbers for PXA168 */ #define IRQ_PXA168_NONE (-1) -#define IRQ_PXA168_SSP3 0 -#define IRQ_PXA168_SSP2 1 -#define IRQ_PXA168_SSP1 2 -#define IRQ_PXA168_SSP0 3 +#define IRQ_PXA168_SSP4 0 +#define IRQ_PXA168_SSP3 1 +#define IRQ_PXA168_SSP2 2 +#define IRQ_PXA168_SSP1 3 #define IRQ_PXA168_PMIC_INT 4 #define IRQ_PXA168_RTC_INT 5 #define IRQ_PXA168_RTC_ALARM 6 @@ -20,7 +20,7 @@ #define IRQ_PXA168_TIMER2 14 #define IRQ_PXA168_TIMER3 15 #define IRQ_PXA168_CMU 16 -#define IRQ_PXA168_SSP4 17 +#define IRQ_PXA168_SSP5 17 #define IRQ_PXA168_MSP_WAKEUP 19 #define IRQ_PXA168_CF_WAKEUP 20 #define IRQ_PXA168_XD_WAKEUP 21 diff --git a/arch/arm/mach-mmp/include/mach/pxa168.h b/arch/arm/mach-mmp/include/mach/pxa168.h index 3ad612cbdf09..3b2bd5d5eb05 100644 --- a/arch/arm/mach-mmp/include/mach/pxa168.h +++ b/arch/arm/mach-mmp/include/mach/pxa168.h @@ -14,6 +14,11 @@ extern struct pxa_device_desc pxa168_device_pwm1; extern struct pxa_device_desc pxa168_device_pwm2; extern struct pxa_device_desc pxa168_device_pwm3; extern struct pxa_device_desc pxa168_device_pwm4; +extern struct pxa_device_desc pxa168_device_ssp1; +extern struct pxa_device_desc pxa168_device_ssp2; +extern struct pxa_device_desc pxa168_device_ssp3; +extern struct pxa_device_desc pxa168_device_ssp4; +extern struct pxa_device_desc pxa168_device_ssp5; extern struct pxa_device_desc pxa168_device_nand; static inline int pxa168_add_uart(int id) @@ -67,6 +72,22 @@ static inline int pxa168_add_pwm(int id) return pxa_register_device(d, NULL, 0); } +static inline int pxa168_add_ssp(int id) +{ + struct pxa_device_desc *d = NULL; + + switch (id) { + case 1: d = &pxa168_device_ssp1; break; + case 2: d = &pxa168_device_ssp2; break; + case 3: d = &pxa168_device_ssp3; break; + case 4: d = &pxa168_device_ssp4; break; + case 5: d = &pxa168_device_ssp5; break; + default: + return -EINVAL; + } + return pxa_register_device(d, NULL, 0); +} + static inline int pxa168_add_nand(struct pxa3xx_nand_platform_data *info) { return pxa_register_device(&pxa168_device_nand, info, sizeof(*info)); diff --git a/arch/arm/mach-mmp/include/mach/regs-apbc.h b/arch/arm/mach-mmp/include/mach/regs-apbc.h index 712af03fd1af..1a96585336ba 100644 --- a/arch/arm/mach-mmp/include/mach/regs-apbc.h +++ b/arch/arm/mach-mmp/include/mach/regs-apbc.h @@ -26,8 +26,6 @@ #define APBC_PXA168_PWM2 APBC_REG(0x010) #define APBC_PXA168_PWM3 APBC_REG(0x014) #define APBC_PXA168_PWM4 APBC_REG(0x018) -#define APBC_PXA168_SSP1 APBC_REG(0x01c) -#define APBC_PXA168_SSP2 APBC_REG(0x020) #define APBC_PXA168_RTC APBC_REG(0x028) #define APBC_PXA168_TWSI0 APBC_REG(0x02c) #define APBC_PXA168_KPC APBC_REG(0x030) @@ -35,14 +33,16 @@ #define APBC_PXA168_AIB APBC_REG(0x03c) #define APBC_PXA168_SW_JTAG APBC_REG(0x040) #define APBC_PXA168_ONEWIRE APBC_REG(0x048) -#define APBC_PXA168_SSP3 APBC_REG(0x04c) #define APBC_PXA168_ASFAR APBC_REG(0x050) #define APBC_PXA168_ASSAR APBC_REG(0x054) -#define APBC_PXA168_SSP4 APBC_REG(0x058) -#define APBC_PXA168_SSP5 APBC_REG(0x05c) #define APBC_PXA168_TWSI1 APBC_REG(0x06c) #define APBC_PXA168_UART3 APBC_REG(0x070) #define APBC_PXA168_AC97 APBC_REG(0x084) +#define APBC_PXA168_SSP1 APBC_REG(0x81c) +#define APBC_PXA168_SSP2 APBC_REG(0x820) +#define APBC_PXA168_SSP3 APBC_REG(0x84c) +#define APBC_PXA168_SSP4 APBC_REG(0x858) +#define APBC_PXA168_SSP5 APBC_REG(0x85c) /* * APB Clock register offsets for PXA910 diff --git a/arch/arm/mach-mmp/pxa168.c b/arch/arm/mach-mmp/pxa168.c index 1873c821df90..652ae660634c 100644 --- a/arch/arm/mach-mmp/pxa168.c +++ b/arch/arm/mach-mmp/pxa168.c @@ -72,6 +72,11 @@ static APBC_CLK(pwm1, PXA168_PWM1, 1, 13000000); static APBC_CLK(pwm2, PXA168_PWM2, 1, 13000000); static APBC_CLK(pwm3, PXA168_PWM3, 1, 13000000); static APBC_CLK(pwm4, PXA168_PWM4, 1, 13000000); +static APBC_CLK(ssp1, PXA168_SSP1, 4, 0); +static APBC_CLK(ssp2, PXA168_SSP2, 4, 0); +static APBC_CLK(ssp3, PXA168_SSP3, 4, 0); +static APBC_CLK(ssp4, PXA168_SSP4, 4, 0); +static APBC_CLK(ssp5, PXA168_SSP5, 4, 0); static APMU_CLK(nand, NAND, 0x01db, 208000000); @@ -85,6 +90,11 @@ static struct clk_lookup pxa168_clkregs[] = { INIT_CLKREG(&clk_pwm2, "pxa168-pwm.1", NULL), INIT_CLKREG(&clk_pwm3, "pxa168-pwm.2", NULL), INIT_CLKREG(&clk_pwm4, "pxa168-pwm.3", NULL), + INIT_CLKREG(&clk_ssp1, "pxa168-ssp.0", NULL), + INIT_CLKREG(&clk_ssp2, "pxa168-ssp.1", NULL), + INIT_CLKREG(&clk_ssp3, "pxa168-ssp.2", NULL), + INIT_CLKREG(&clk_ssp4, "pxa168-ssp.3", NULL), + INIT_CLKREG(&clk_ssp5, "pxa168-ssp.4", NULL), INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL), }; @@ -132,3 +142,8 @@ PXA168_DEVICE(pwm2, "pxa168-pwm", 1, NONE, 0xd401a400, 0x10); PXA168_DEVICE(pwm3, "pxa168-pwm", 2, NONE, 0xd401a800, 0x10); PXA168_DEVICE(pwm4, "pxa168-pwm", 3, NONE, 0xd401ac00, 0x10); PXA168_DEVICE(nand, "pxa3xx-nand", -1, NAND, 0xd4283000, 0x80, 97, 99); +PXA168_DEVICE(ssp1, "pxa168-ssp", 0, SSP1, 0xd401b000, 0x40, 52, 53); +PXA168_DEVICE(ssp2, "pxa168-ssp", 1, SSP2, 0xd401c000, 0x40, 54, 55); +PXA168_DEVICE(ssp3, "pxa168-ssp", 2, SSP3, 0xd401f000, 0x40, 56, 57); +PXA168_DEVICE(ssp4, "pxa168-ssp", 3, SSP4, 0xd4020000, 0x40, 58, 59); +PXA168_DEVICE(ssp5, "pxa168-ssp", 4, SSP5, 0xd4021000, 0x40, 60, 61); diff --git a/arch/arm/plat-pxa/include/plat/ssp.h b/arch/arm/plat-pxa/include/plat/ssp.h index 74f70c7cc4f0..d16d79a3a48a 100644 --- a/arch/arm/plat-pxa/include/plat/ssp.h +++ b/arch/arm/plat-pxa/include/plat/ssp.h @@ -138,6 +138,7 @@ enum pxa_ssp_type { PXA25x_SSP, /* pxa 210, 250, 255, 26x */ PXA25x_NSSP, /* pxa 255, 26x (including ASSP) */ PXA27x_SSP, + PXA168_SSP, }; struct ssp_device { diff --git a/arch/arm/plat-pxa/ssp.c b/arch/arm/plat-pxa/ssp.c index 5fe230178f0a..cfebcd836f3e 100644 --- a/arch/arm/plat-pxa/ssp.c +++ b/arch/arm/plat-pxa/ssp.c @@ -192,6 +192,7 @@ static const struct platform_device_id ssp_id_table[] = { { "pxa25x-ssp", PXA25x_SSP }, { "pxa25x-nssp", PXA25x_NSSP }, { "pxa27x-ssp", PXA27x_SSP }, + { "pxa168-ssp", PXA168_SSP }, { }, }; -- 2.39.5