From: takasi-y@ops.dti.ne.jp To: linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Simon Horman <horms-/R6kz+dDXgpPR4JQBCEnsQ@public.gmane.org>, Magnus Damm <magnus.damm-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>, Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Subject: [PATCH 06/11] spi: spi-sh-msiof: RMDIR1[15:0] may should be zero Date: Sun, 01 Dec 2013 18:19:17 +0000 [thread overview] Message-ID: <1385921962-19843-6-git-send-email-takasi-y@ops.dti.ne.jp> (raw) In-Reply-To: <1385921962-19843-1-git-send-email-takasi-y-nDL5PR/MsHhHfZP73Gtkiw@public.gmane.org> From: Takashi Yoshii <takasi-y@ops.dti.ne.jp> On Ape6, Rcar-H2, and Rcar-M2, RMDR1(Receive Mode Register 1) has no FLD, CONT, RXSTP bits. HW manual says "The write value should always be 0" for RMDR1[15:0]. I guess this is a part of .rx_need_dummy_tx case, and use same flag. Signed-off-by: Takashi Yoshii <takasi-y@ops.dti.ne.jp> --- drivers/spi/spi-sh-msiof.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c index 936d8ab..b0334b6 100644 --- a/drivers/spi/spi-sh-msiof.c +++ b/drivers/spi/spi-sh-msiof.c @@ -183,11 +183,13 @@ static void sh_msiof_spi_set_pin_regs(struct sh_msiof_spi_priv *p, */ sh_msiof_write(p, FCTR, 0); - tmp = 0; + tmp = 0x00000005; tmp |= !cs_high << 25; tmp |= lsb_first << 24; - sh_msiof_write(p, TMDR1, 0xe0000005 | tmp); - sh_msiof_write(p, RMDR1, 0x20000005 | tmp); + sh_msiof_write(p, TMDR1, 0xe0000000 | tmp); + if (p->info->rx_need_dummy_tx) + tmp &= ~0x0000ffff; + sh_msiof_write(p, RMDR1, 0x20000000 | tmp); tmp = 0xa0000000; tmp |= cpol << 30; /* TSCKIZ */ -- 1.7.9.5
WARNING: multiple messages have this Message-ID (diff)
From: takasi-y-nDL5PR/MsHhHfZP73Gtkiw@public.gmane.org To: linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Simon Horman <horms-/R6kz+dDXgpPR4JQBCEnsQ@public.gmane.org>, Magnus Damm <magnus.damm-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>, Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Subject: [PATCH 06/11] spi: spi-sh-msiof: RMDIR1[15:0] may should be zero Date: Mon, 2 Dec 2013 03:19:17 +0900 [thread overview] Message-ID: <1385921962-19843-6-git-send-email-takasi-y@ops.dti.ne.jp> (raw) In-Reply-To: <1385921962-19843-1-git-send-email-takasi-y-nDL5PR/MsHhHfZP73Gtkiw@public.gmane.org> From: Takashi Yoshii <takasi-y-nDL5PR/MsHhHfZP73Gtkiw@public.gmane.org> On Ape6, Rcar-H2, and Rcar-M2, RMDR1(Receive Mode Register 1) has no FLD, CONT, RXSTP bits. HW manual says "The write value should always be 0" for RMDR1[15:0]. I guess this is a part of .rx_need_dummy_tx case, and use same flag. Signed-off-by: Takashi Yoshii <takasi-y-nDL5PR/MsHhHfZP73Gtkiw@public.gmane.org> --- drivers/spi/spi-sh-msiof.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c index 936d8ab..b0334b6 100644 --- a/drivers/spi/spi-sh-msiof.c +++ b/drivers/spi/spi-sh-msiof.c @@ -183,11 +183,13 @@ static void sh_msiof_spi_set_pin_regs(struct sh_msiof_spi_priv *p, */ sh_msiof_write(p, FCTR, 0); - tmp = 0; + tmp = 0x00000005; tmp |= !cs_high << 25; tmp |= lsb_first << 24; - sh_msiof_write(p, TMDR1, 0xe0000005 | tmp); - sh_msiof_write(p, RMDR1, 0x20000005 | tmp); + sh_msiof_write(p, TMDR1, 0xe0000000 | tmp); + if (p->info->rx_need_dummy_tx) + tmp &= ~0x0000ffff; + sh_msiof_write(p, RMDR1, 0x20000000 | tmp); tmp = 0xa0000000; tmp |= cpol << 30; /* TSCKIZ */ -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2013-12-01 18:19 UTC|newest] Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-12-01 18:15 [PATCH 00/11] ARM: shmobile: koelsch: MSIOF support Takashi YOSHII 2013-12-01 18:15 ` Takashi YOSHII 2013-12-01 18:19 ` [PATCH 01/11] pinctrl: sh-pfc: r8a7791: fix msiof groups to follow GROUP takasi-y 2013-12-01 18:19 ` takasi-y 2013-12-01 18:19 ` [PATCH 03/11] spi: spi-sh-msiof: let it run even without GPIO takasi-y 2013-12-01 18:19 ` takasi-y 2013-12-02 10:59 ` Sergei Shtylyov 2013-12-02 10:59 ` Sergei Shtylyov [not found] ` <1385921962-19843-3-git-send-email-takasi-y-nDL5PR/MsHhHfZP73Gtkiw@public.gmane.org> 2013-12-02 12:53 ` Mark Brown 2013-12-02 12:53 ` Mark Brown 2013-12-01 18:19 ` [PATCH 04/11] spi: spi-sh-msiof: set hi/low Active for HW CS takasi-y 2013-12-01 18:19 ` takasi-y [not found] ` <1385921962-19843-4-git-send-email-takasi-y-nDL5PR/MsHhHfZP73Gtkiw@public.gmane.org> 2013-12-02 12:54 ` Mark Brown 2013-12-02 12:54 ` Mark Brown 2013-12-01 18:19 ` [PATCH 05/11] spi: spi-sh-msiof: rx_need_dummy_tx variant takasi-y 2013-12-01 18:19 ` takasi-y [not found] ` <1385921962-19843-5-git-send-email-takasi-y-nDL5PR/MsHhHfZP73Gtkiw@public.gmane.org> 2013-12-02 17:49 ` Mark Brown 2013-12-02 17:49 ` Mark Brown 2013-12-01 18:19 ` [PATCH 11/11] ARM: shmobile: koelsch: spidev for r2a11302 takasi-y 2013-12-01 18:19 ` takasi-y [not found] ` <1385921962-19843-11-git-send-email-takasi-y-nDL5PR/MsHhHfZP73Gtkiw@public.gmane.org> 2013-12-02 13:24 ` Mark Brown 2013-12-02 13:24 ` Mark Brown 2014-02-11 15:06 ` Geert Uytterhoeven 2014-02-11 15:06 ` Geert Uytterhoeven [not found] ` <1385921962-19843-1-git-send-email-takasi-y-nDL5PR/MsHhHfZP73Gtkiw@public.gmane.org> 2013-12-01 18:19 ` [PATCH 02/11] spi: spi-sh-msiof: round up div to fix freq calculation takasi-y 2013-12-01 18:19 ` takasi-y-nDL5PR/MsHhHfZP73Gtkiw 2013-12-02 12:48 ` Mark Brown 2013-12-02 12:48 ` Mark Brown 2013-12-01 18:19 ` takasi-y [this message] 2013-12-01 18:19 ` [PATCH 06/11] spi: spi-sh-msiof: RMDIR1[15:0] may should be zero takasi-y-nDL5PR/MsHhHfZP73Gtkiw 2013-12-01 18:19 ` [PATCH 07/11] spi: spi-sh-msiof: RSCR register may absent takasi-y 2013-12-01 18:19 ` takasi-y-nDL5PR/MsHhHfZP73Gtkiw [not found] ` <1385921962-19843-7-git-send-email-takasi-y-nDL5PR/MsHhHfZP73Gtkiw@public.gmane.org> 2014-02-12 16:06 ` Geert Uytterhoeven 2014-02-12 16:06 ` Geert Uytterhoeven [not found] ` <CAMuHMdVVC1deEQfbLzPzU08LYxf=KOtG3oL2_M4HMBGvJE+8KQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2014-02-12 23:50 ` Simon Horman 2014-02-12 23:50 ` Simon Horman 2013-12-01 18:19 ` [PATCH 08/11] ARM: shmobile: r8a7791: Add MSIOF clocks takasi-y 2013-12-01 18:19 ` takasi-y-nDL5PR/MsHhHfZP73Gtkiw 2013-12-01 18:19 ` [PATCH 09/11] ARM: shmobile: r8a7791: MSIOF platform device takasi-y 2013-12-01 18:19 ` takasi-y-nDL5PR/MsHhHfZP73Gtkiw 2013-12-03 10:12 ` Linus Walleij 2013-12-03 10:12 ` Linus Walleij [not found] ` <CACRpkdbvrYgRh7cK0N1HrcxkYzzu9Qw4yAoQwj4f9pEf0r1qQw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2013-12-05 3:02 ` Simon Horman 2013-12-05 3:02 ` Simon Horman [not found] ` <20131205030235.GG21443-/R6kz+dDXgpPR4JQBCEnsQ@public.gmane.org> 2013-12-11 12:27 ` Linus Walleij 2013-12-11 12:27 ` Linus Walleij [not found] ` <CACRpkda=m_3Y+FcKUvAj4e1gDUuvqB4VS4bv6u-VnX4LVQQP8Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2013-12-12 0:53 ` Olof Johansson 2013-12-12 0:53 ` Olof Johansson 2013-12-01 18:19 ` [PATCH 10/11] ARM: shmobile: koelsch: pinctrl map for MSIOF0 takasi-y 2013-12-01 18:19 ` takasi-y-nDL5PR/MsHhHfZP73Gtkiw 2013-12-03 10:13 ` Linus Walleij 2013-12-03 10:13 ` Linus Walleij 2013-12-03 10:08 ` [PATCH 01/11] pinctrl: sh-pfc: r8a7791: fix msiof groups to follow GROUP Linus Walleij 2013-12-03 10:08 ` Linus Walleij 2013-12-04 1:23 ` Laurent Pinchart 2013-12-04 1:23 ` Laurent Pinchart
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